Total 1,673 network engineer job vacancies in Hong Kong

Role

Must Have

IT/OT Onsite Engineer

• Experience in integrating IT networks with OT systems.
• Working knowledge with handling OT assets - HMIs, PLCs, Scada, Sensors, Inspection machines (CMM, CNCs), 3D printers etc
• Experience in updating the required details in the PLC configuration, IP data
• Asset inventory data collection/Identify risks in advance and highlight.
• Familiarity with secure protocols (OPC-UA, Modbus TCP/IP, Ethernet/IP, SMB).
• Network design and implementation, including LAN/WAN, VLANs, and routing protocols.Good-To-Have
• Desired experience: 10+ years in IT/OT environments.
• Proficiency in configuring firewalls-checkpoint, SD WAN, switches, and routers (e.g., Cisco.
• Firewall rule configuration. Network Security Configuration and micro segmentation using VLAN, Switches and Network Taps config
• Certification:
• CCNA/CCNP (Cisco Certified Network Associate/Professional).
• CompTIA Network+ or equivalent.

Job Description:
On site support in Singapore Data Centre that will carry out Provisioning and troubleshooting of DWDM, Router, Switch and fibre issues.

Roles and Responsibilities:

DWDM (Dense Wavelength Division Multiplexing) Support

• Assist in installation and commissioning of DWDM equipment.
• Perform basic troubleshooting of optical transmission issues.
• Monitor alarms and escalate complex faults to senior engineers.
• Verify optical power levels and ensure compliance with design specs.

Switch & Router Support

• Perform initial configuration under supervision (e.g., VLAN setup, IP addressing).
• Monitor device health and interface status.
• Replace faulty hardware components as directed.
• Assist in firmware upgrades and patching activities.

Fiber Optic Support

• Conduct fiber cleaning and connector inspection.
• Perform basic OTDR tests and document results.
• Assist in fiber splicing under guidance.
• Maintain accurate fiber route and patch panel records."

Operational Tasks

• Respond to on-site trouble tickets and perform first-level diagnostics.
• Coordinate with NOC for remote troubleshooting and escalation.
• Maintain inventory of spare parts and tools.
• Document all activities in the maintenance log and ticketing system.
• Preventive Maintenance
• Perform routine checks on DWDM nodes, switches, and routers.
• Inspect fiber trays and ensure proper cable management.
• Verify environmental conditions (temperature, humidity) in equipment rooms.

Soft Skills & Collaboration

• Communicate effectively with senior engineers and NOC teams.
• Provide clear status updates during outages or maintenance windows.
• Participate in training sessions to enhance technical skills.

Qualification, Skills, and Knowledge

• Fresh Graduate are welcome with at least CCNA or other industry standard related certification
• A strong interest on how Internet and data communications works
• A good academic result is plus

What you'll be doing

1. Configuring and troubleshooting network devices such as routers, switches, firewalls and wireless access points

2. Monitoring network performance and diagnosing and resolving any issues that arise

3. Implementing network security measures to protect against cyber threats

4. Documenting network configurations and maintaining up-to-date records

5. Collaborating with cross-functional teams to align network infrastructure with business objectives

6. Providing technical guidance and support to end-users

7. Researching and recommending new network technologies to drive innovation

What we're looking for

1. Minimum 1 years' experience as a Network Engineer or in a similar role

2. Strong technical knowledge of network protocols, switching, routing, firewalls and wireless technologies

3. Proficiency in network troubleshooting and fault-finding techniques

4. Experience with network management tools and monitoring platforms

5. Excellent problem-solving and analytical skills

6. Strong communication and interpersonal skills to liaise with both technical and non-technical stakeholders

7. Relevant certifications such as CCNA or CCNP would be advantageous

What we offer

At Knowledge Computers Pte Ltd, we are committed to providing our employees with a rewarding and fulfilling work experience. In addition to a competitive salary, you will enjoy:

1. Opportunities for professional development and career advancement

2. Comprehensive medical and dental benefits

3. Generous annual leave entitlement

4. Flexible work arrangements to support work-life balance

Immediate 1 Year Project Assignment for Singaporean to join as Network Engineer (Cisco/Fortigate) at Airport work Location

Mon to Fri Office hours 

If you have Dip in IT +2yrs network maintenance experience on Cisco & Fortigate products & seeking to work at Airport location, this is the job for you.

Remuneration: Basic + 1 month Completion Bonus + HP Claim 

Primary Purpose:

1)           Perform and ensure routine maintenance activities are carried out as scheduled.

2)           Perform OS upgrades/patching.

3)           Attend to network and system service and change request. 

4)           Provide resolution for all application and/or technical incidents and work with external support if required.

5)           Identify root cause, preventive and corrective measures for identified problems to prevent recurring incidents.

6)           Provide incident and problem reporting for all stakeholders in timely and professional manner.

7)           Assist in preparing system related documents and ISO Audit

8)           Participate in new project implementation, requirement gathering, setup & installation, testing and commissioning.  

Responsibilities:

Assist in Project Implementation and Maintenance of the Implemented System.

Our Requirements:

1)           Possess at least a Diploma or its equivalent in Computer / IT with minimum 2-3 years working experience in related field. Those with CCNA but no work experience with positive learning attitude can be considered.

2)          Ideal Candidate : 2-3 years of working experience as a Network Engineer supporting Cisco, Fortigate, Huawei product in switch, router, firewall, monitoring tools, security appliances and cablings.

3)           Trained or certified in Cisco, Fortigate products would be advantageous.

4)           Analytical, proactive and able to multi-task and prioritize all work assigned.

5)           Team player with good English communication skills who can also work independently under minimum supervision.

6)           Motivated individual with challenger spirit and leadership are strongly encouraged to apply.

7)           Exceptional troubleshooting and customer-handling skills would be advantageous.

8)           Proactive and responsive on all assigned tasks and incidents and follow up

ES Recruitment Pte Ltd

EA License No: 09C4235

EA Reg: R1103307 (Hong Mei Lin) 

Responsibilities

• Install, configure, maintain, and troubleshoot electronic security systems including CCTV, Access Control Systems, Intrusion Detection Systems, Intercom Systems, and Visitor Management Systems.
• Support system integration, testing, commissioning, and handover of security solutions at customer sites.
• Design, configure, and maintain network infrastructure supporting security systems, including switches, routers, firewalls, VLANs, and wireless networks.
• Monitor security systems and network infrastructure to ensure optimal performance and system uptime.
• Perform preventive maintenance, system upgrades, firmware updates, and corrective maintenance for installed systems.
• Diagnose and resolve technical faults, alarms, and system failures in a timely manner.
• Support centralized security management platforms and monitoring systems.
• Ensure cybersecurity protection of security devices and networks through proper configuration and best practices.
• Coordinate with clients, vendors, and subcontractors for project execution, maintenance, and technical support.
• Conduct site surveys and support project implementation activities.
• Maintain accurate documentation including system configurations, network diagrams, maintenance reports, and service records.
• Provide technical support and training to customers and internal teams.
• Ensure compliance with company standards, safety requirements, and industry best practices.

Requirements

• Diploma or Degree in Electronics, Electrical Engineering, Information Technology, Computer Science, Telecommunications, or related field.
• Minimum 3–5 years of experience in electronic security systems, CCTV, Access Control, or related ELV/security industry.
• Good understanding of IP networking concepts such as TCP/IP, VLANs, routing, switching, and wireless networks.
• Hands-on experience with CCTV systems, Access Control Systems, Intrusion Detection Systems, and integrated security solutions.
• Familiarity with leading security platforms such as Hikvision, Axis, Milestone, Genetec, Bosch, Honeywell, or similar systems.
• Basic knowledge of network security principles, firewalls, VPNs, and cybersecurity best practices.
• Experience in system installation, configuration, testing, and commissioning.
• Ability to troubleshoot hardware, software, and network-related issues.
• Strong communication skills and ability to work with customers and project teams.
• Ability to work independently and handle site-based work and multiple projects.
• Willingness to work after office hours or attend emergency maintenance when required.
• Certifications such as CCNA, Security+, or vendor certifications in CCTV/access control systems will be an added advantage.

Responsibilities

• Design, implement, operate, and maintain enterprise and security network infrastructure supporting electronic security systems and customer environments.
• Manage and administer network and security infrastructure, including firewalls, VPNs, intrusion detection systems, access control networks, and monitoring platforms.
• Support deployment and maintenance of electronic security systems such as CCTV, Access Control, Intrusion Detection, and Integrated Security Management Systems.
• Monitor security events, system logs, and alerts using monitoring tools to detect, analyze, and respond to incidents.
• Perform troubleshooting, root cause analysis, and incident resolution for network and security system issues.
• Ensure secure network configurations, system hardening, and compliance with cybersecurity best practices across customer installations.
• Conduct vulnerability assessments, coordinate remediation activities, and support system security improvements.
• Manage firewall policies, rule reviews, network segmentation, and secure remote access configurations.
• Support system integration, installation, testing, commissioning, and handover of security and network solutions.
• Collaborate with project, engineering, and technical teams to ensure secure and reliable solution deployment.
• Maintain documentation including network diagrams, system configurations, SOPs, maintenance reports, and incident records.
• Support preventive maintenance, firmware upgrades, system updates, and service improvement activities.
• Coordinate with vendors and subcontractors for technical support, equipment replacement, and solution deployment.
• Ensure compliance with internal security policies, customer requirements, and industry standards.
• Provide technical support and guidance to customers and internal teams when required.

Requirements

• Bachelor’s Degree or Diploma in Information Technology, Computer Science, Electronics, Electrical Engineering, Telecommunications, or related field.
• Minimum 5 years of experience in network engineering, IT infrastructure, or electronic security systems environment.
• Strong knowledge of IP networking concepts including TCP/IP, VLANs, routing, switching, and wireless networks.
• Hands-on experience with firewall and network security devices such as Fortinet, Palo Alto, Cisco, or equivalent platforms.
• Experience supporting CCTV systems, Access Control Systems, Intrusion Detection Systems, and integrated security solutions.
• Good understanding of VPN technologies such as IPsec and SSL VPN.
• Experience in system installation, configuration, troubleshooting, and commissioning activities.
• Familiarity with network monitoring, log analysis, and incident troubleshooting.
• Knowledge of cybersecurity principles and secure network design practices.
• Ability to perform preventive maintenance and handle multiple site support activities.
• Strong problem-solving skills and ability to work in fast-paced operational environments.
• Good communication and coordination skills for working with customers, vendors, and project teams.
• Willingness to work on-site and support after-office hours or emergency maintenance when required.
• Fortinet NSE, PCNSE, or equivalent certifications will be an added advantage.
• Security certifications such as Security+, CISSP, or CISM will be an added advantage.

This role involves network implementation, administration, troubleshooting, and collaboration with various stakeholders to deliver secure and reliable connectivity services.

Responsibilities

• Manage and support LAN, WAN, SD-WAN, VPN, firewall, load balancer, and DNS environments.
• Implement network changes and configurations in accordance with change management processes.
• Troubleshoot network issues and optimise performance.
• Design and support network solutions based on business requirements.
• Conduct proof-of-concepts and support infrastructure upgrades/refresh initiatives.
• Maintain network documentation and operational procedures.
• Participate in a rotational 24/7 standby support roster.
• Mentor junior engineers and support technical knowledge sharing within the team

Requirements

• Diploma/Degree in IT, Computer Science, or related field.
• Minimum 4 years of Network Engineering experience in a medium to large enterprise environment.
• Strong knowledge of routing, switching, firewall, and network security technologies.
• Hands-on experience with technologies such as VLAN, STP, OSPF, BGP, VPN, NAT, ACL, DNS, DHCP, and load balancing.
• Familiarity with enterprise network and security platforms from leading vendors.
• Strong troubleshooting and stakeholder management skills.

Preferred

• CCNP or equivalent networking certification.
• Firewall certifications are advantageous (eg: CheckPoint or Palo Alto).
• Experience supporting large-scale or mission-critical environments is a plus.

Thank you for your interest but we regret that only shortlisted candidates will be contacted shortly.

Careerally Pte Ltd | EA Licence: 24C2215
Frieda Chan | EA Registration No: R2199193

Overview

A leading organisation in the payments and financial services sector is seeking a Senior Network Engineer to join its Singapore team. Supporting a complex and business-critical technology environment, this role will be responsible for designing, implementing and maintaining secure, resilient network infrastructure that underpins payment and transfer services across the organisation. This is an opportunity to take a hands-on technical leadership role, working across a multi-vendor network landscape while mentoring engineers and driving network modernisation initiatives.

Responsibilities

As the Senior Network Engineer, you will oversee the delivery and ongoing support of enterprise network infrastructure, ensuring high levels of performance, availability and security. You will design and implement network solutions across LAN, WAN and cloud-connected environments, working closely with internal stakeholders to understand business and technical requirements. The role includes managing network technologies such as SD-WAN, MPLS, VPN connectivity, firewalls, load balancers and DNS platforms, while ensuring all changes are delivered in line with established governance and change management processes. You will also lead proof-of-concept activities, support technology refresh initiatives, maintain operational documentation and provide technical guidance to junior engineers. Participation in a rotational standby support roster is required.

Requirements

You possess a Diploma or Degree in Computer Science, Information Technology or a related discipline, together with proven experience in network engineering within medium to large-scale enterprise environments. You have strong expertise across core networking technologies including routing, switching, network security and load balancing, with hands-on experience supporting multi-vendor infrastructure. Exposure to Cisco Nexus and Catalyst platforms, Cisco ACI, and leading firewall technologies such as Check Point, Palo Alto and Fortinet will be highly valued. Professional certifications such as CCNP and relevant firewall certifications are advantageous. The successful candidate will demonstrate strong troubleshooting capabilities, sound understanding of infrastructure operations and governance, and the ability to work effectively with both technical and business stakeholders. Experience delivering large-scale network initiatives within the payments or financial services industry is a plus.

To apply, please apply directly or submit your resume to Claudia at cd@kerryconsulting.com. We regret that only shortlisted candidates will be notified.

License No: 16S8060 / Registration No: R26161178

Job Description

• Provide project deployment for customers' Enterprise IT Network Services.
• Work closely with Project Manager to fulfil project deliverables.
• Able to perform the role of Project Lead for small to medium size projects.
• Preferably with basic knowledge and hands on experience in any of the following areas:
• Design, planning, integration, implementation and validation
• LAN/WAN/WLAN: Cisco, Alcatel, Aruba routers and switches
• Security appliances: Palo Alto, Fortinet, Checkpoints, Cisco IPS/IDS, Cisco ISE, Aruba Clearpass
• Network monitoring: SolarWinds
• Network appliances based: F5 LTM/GTM, A10 LTM
• Troubleshooting and problem identification
• Documentation skills to include creating and updating detailed environment design, installation, support and preventive maintenance documentation
• Develop test cases and conduct proof of concept tests on new software and hardware prior to upgrade/deployment.
• Establish TAC cases with principal vendor in complex problem till resolved.
• Able to work flexible hours especially during after-office hour scheduled maintenance windows.

Requirements

• ITE / Diploma / Bachelor’s degree in Engineering, Computer Science, Information Technology, Security or equivalent
• Preferably with Cisco certification, Alcatel certification, Network Security products
• Experience with LAN, WAN, WLAN, Data and Security networking in implementation
• Fast-paced environment
• Proven analytical and problem-solving abilities.
• Highly self-motivated and directed, with keen attention to detail.
• Experience working in a team-oriented, collaborative environment.
• Good communication and writing skills.
• Strong customer service orientation.
• Fresh graduates are welcome to apply for junior engineer positions
• Location: Jurong East

The Senior Network Engineer/Lead is responsible for designing and implementing solutions that compliment a dynamic, always growing and evolving global network for one of the leading organizations in financial services. You will bring a unique perspective to a team that adapts and maintains a secure and reliable network hosted across both cloud and office/site network infrastructure. 

Although the core focus of this role will be to act as a Network Engineer with a solid understanding of Network & IT Infrastructure Fundamentals including protocols, switches, routers/firewalls, it will also include exposure to experience operating within Azure & AWS cloud tenants. You will design and manage the local and wide area networks of our organization to ensure maximum up time for our users.

Reporting to the Director, IT, Infrastructure, you will:

• Design and Architect Networks

  Develop secure, scalable, and highly available network architectures using technologies like VPNs, VPCs, virtual networks, and load balancers.

• Cloud Network Management

  Provision, configure, and manage cloud-based network resources across platforms such as AWS, Azure, and Cisco Meraki.

• Network Security Implementation

  Enforce robust security measures including firewalls, intrusion detection systems, encryption, and compliance with industry standards.

• Performance Monitoring and Troubleshooting

  Continuously monitor network performance, diagnose issues, and optimize for stability, availability, and efficiency.

• Hybrid Network Integration

  Seamlessly connect cloud environments with on-premises infrastructure using secure methods like VPNs.

• Automation and Scripting

  Leverage automation tools and scripting languages to streamline network operations and reduce manual tasks.

• Disaster Recovery and Continuity Planning

  Manage backup strategies, disaster recovery protocols, and ensure business continuity for network systems.

• Documentation and Compliance

  Maintain accurate and up-to-date documentation of network configurations, operational procedures, and compliance records.

• Stakeholder Communication and Collaboration

  Collaborate with IT teams and stakeholders, providing clear updates on incidents, maintenance, and project progress.

• Continuous Learning and Innovation

  Stay current with emerging technologies and trends, recommending improvements to enhance network infrastructure.

Responsibilities

• Oversee the organization’s IT infrastructure, ensuring optimal performance, security, and reliability of servers, network and security systems, as well as cloud services.
• Design, implement, and maintain the IT infrastructure of the organization.
• Maintain Windows servers, virtualization platforms, and storage solutions.
• Manage Active Directory, DNS, DHCP, and Group Policy.
• Ensure high availability and disaster recovery with backups and replication.
• Monitor system performance, troubleshoot issues, and apply patches and updates.
• Implement network design, configure, and maintain LAN, WLAN, and VPN infrastructure, managing firewalls, switches, and routers.
• Implement and monitor network security policies, intrusion detection, and access control.
• Optimize network performance, troubleshoot connectivity issues, and ensure redundancy.
• Implement cybersecurity best practices, monitor threats, and manage endpoint protection and vulnerability assessments.
• Ensure compliance with regulations.
• Conduct security audits and enforce policies on user access, encryption, and authentication.
• Create and maintain network documentation, including network diagrams, configurations, and procedures.
• Carry out any other tasks assigned by the management

Requirement

• Min Degree in Information Technology or relevant
• Min 5 years of experience in providing Network, System and Cybersecurity operational support.
• Experience with servers, network and security devices, firewall, switches, routers, load balancers and wireless solutions.
• Certifications in CCNA/ CCNP/ CCIE/ Microsoft certified Azure Solutions Architect and/or Windows Server Administrator, CISSP, CISM and CompTIA Security will be required

To submit your application, please apply online to apply@rn-care.com or call +(65) 6513 5697 for private and confidential discussion.

Your interest will be treated with the strictest of confidence. We regret that only shortlisted candidates will be notified or contacted.

RN Care Pte. Ltd
EA License No: 17C8900

Position Summary

We are seeking a highly skilled Network Security Engineer with Subject Matter Expert (SME)–level expertise in AlgoSec Security Management solutions. The ideal candidate will have expert-level hands-on experience with AlgoSec firewall automation and integration with multiple firewall platforms including Palo Alto, Check Point, Cisco FTD, and FortiGate. This role also requires strong hands-on expertise with enterprise firewalls and will be responsible for firewall rule migrations, automation, and Day 2 operations support in the Network Security domain.

Key Responsibilities

- Serve as SME for AlgoSec, including design, implementation, customization, and ongoing optimization.
- Perform end-to-end firewall rule automation and policy management using AlgoSec.
- Integrate AlgoSec with multiple firewall platforms such as Palo Alto, Check Point, Cisco FTD, and FortiGate.
- Lead and execute firewall rule migrations between different firewall vendors.
- Provide Day 2 operational support for network security infrastructure with a primary focus on firewalls.
- Troubleshoot complex firewall and policy-related issues across heterogeneous environments.
- Collaborate with network, cloud, and application teams to support secure connectivity requirements.
- Ensure compliance with security policies, audit requirements, and industry best practices.
- Create and maintain technical documentation, SOPs, and operational runbooks.

Required Technical Skills

- Expert-level hands-on experience with AlgoSec Firewall Analyzer, Fire Flow, and AppViz (or equivalent modules).
- Strong hands-on expertise with Palo Alto and/or Check Point firewalls (SMElevel preferred).
- Experience working with Cisco FTD and FortiGate firewalls.
- Proven experience in firewall policy design, optimization, and cleanup.
- Strong understanding of network security concepts including ACLs, NAT, VPNs, and routing.
- Experience with firewall rule migration projects across multiple vendors.
- Familiarity with automation, APIs, and integration with ITSM tools is a plus.

Preferred Qualifications

- Industry certifications such as PCNSE,PCCSE, CCNP Security, Fortinet NSE, or AlgoSec certification.
- Experience supporting large enterprise or service provider environments.
- Exposure to cloud security platforms and hybrid network environments.
- Strong analytical, troubleshooting, and problem-solving skills.

Soft Skills

- Strong communication and stakeholder management skills.
- Ability to work independently and lead technical initiatives.
- Detail-oriented with a strong focus on operational excellence and security compliance.

Position Summary

We are seeking a highly skilled Network Reliability Engineer (NRE) with strong hands-on experience across hybrid and cloud network environments, including on‑premises data centers and AWS/Azure cloud platforms. The role focuses on reliability, availability, scalability, automation, and observability of network and security platforms using NRE/SRE principles, CI/CD practices, and deep API-driven integrations. Also has performed Network domain automation using Ansible Automation Platform

Key Responsibilities

• Own end‑to‑end reliability and performance of hybrid and cloud-connected network services.

• Apply Network Reliability Engineering(NRE) principles to reduce operational toil and improve service resilience.

• Design, implement, and continuously improve highly available hybrid and cloud network architectures.

• Perform deep technical troubleshooting and root cause analysis for complex network and security incidents.

• Build automation and self‑healing workflows supporting Day‑1, Day‑2, and Day‑N operations.

• Integrate infrastructure changes into CI/CD pipelines with proper testing, validation, and rollback.

• Define, monitor, and improve SLIs, SLOs, and error budgets for network services.

• Partner with cloud, security, application, and platform teams to meet business KPIs and KRAs.

Ansible :

· Develop, maintain, and optimize Ansible playbooks, roles, and inventories to automate network device configuration, deployment, and operational activities across multi-vendor environments. 

· Automate routine network tasks such as configuration management, backups, compliance checks, firmware upgrades, and provisioning to reduce manual effort and improve reliability. 

· Translate network SOPs, runbooks, and BAU activities into reusable Ansible-based automation workflows(Infrastructure-as-Code) for scalable and consistent execution. 

· Implement event-driven and self-healing automation by integrating Ansible playbooks with monitoring systems, APIs, and ITSM tools to enable automated remediation and faster incident resolution. 

· Ensure network consistency and compliance by using Ansible to validate device state, detect configuration drift, and enforce standardized configurations across network infrastructure. 

Hybrid, Cloud & Data Center Networking

• Hands‑on experience supporting Cisco ACI fabrics integrated with hybrid connectivity models.

• Strong working knowledge of Cisco IOS‑XE and Cisco NX‑OS in enterprise and data center environments.

• Experience managing Cisco Wireless LAN Controllers (WLC).

• Practical experience with AWS networking including VPC design, routing, security groups, NACLs, Transit Gateway, VPN, and Direct Connect.

• Practical experience with Azure networking including VNets, UDRs, NSGs, VPN Gateway, ExpressRoute, and Azure Firewall.

• Understanding of hybrid connectivity patterns such as internet, MPLS, site‑to‑site VPN, client VPN, and secure cloud access.

Network Security & Proxy Platforms

• Hands‑on experience with enterprise firewalls: Check Point, Palo Alto, and Cisco Firepower (FTD).

• Experience using Algo Sec for firewall policy lifecycle management and automation across hybrid and cloud environments.

• Strong expertise with proxy and secure web gateway solutions including Bluecoat ProxySG (SGOS), BMC, and CAS.

• Cloud‑delivered security experience with Zscaler ZIA, ZPA, and ZTNA supporting hybrid and remote access models.

Application Delivery & Traffic Management

• Hands‑on experience with F5 VELOSchassis.

• Strong expertise in F5 LTM, GTM, and APM modules.

• Experience designing resilient application delivery for on‑prem and cloud workloads.

Monitoring, Observability & Telemetry

• Hands‑on experience with Datadog for monitoring hybrid and cloud network services.

• Experience with Cisco DNA Center (DNAC)for assurance and network automation.

• Experience with Forescout for network visibility, device profiling, and compliance.

• Strong experience building dashboards and alerts using Prometheus and Grafana.

Automation, CI/CD & Engineering Skills

• Strong experience with Ansible for network and security automation.

• Hands‑on experience integrating GitHub for version control, peer reviews, and change traceability.

• Experience building CI/CD pipelines for infrastructure and network changes.

• Experience using REST APIs, SDKs, CLI tools, and GUIs to integrate network, security, and cloud platforms.

• Experience developing tools, services, or dashboards using Python and Django.

• Ability to implement Infrastructure as Code (IaC) and automated validation workflows.

Skills & Competencies

• Strong reliability engineering mindset with focus on automation and scalability.

• Proven experience operating production hybrid and cloud network environments.

• Excellent troubleshooting and analytical abilities.

• Ability to translate business KRAs into measurable technical reliability objectives.

• Strong documentation, collaboration, and communication skills.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or equivalent experience.

• 7–12 years of experience across Network Engineering, Network Security, Cloud Networking, or NRE/SRE roles.

• Relevant certifications (CCNP/CCIE,AWS/Azure Networking, PCNSE, CCSA/CCSE, F5) are a plus.

Work Environment

This role includes on‑call rotations, participation in major incident response, CI/CD-driven change management, and collaboration with global teams supporting enterprise hybrid and cloud network platforms.

☑ Good Bonuses

☑ Near MRT

☑ Family Friendly Environment

Job Description:

• Design, implement, and support enterprise network infrastructure.
• Deliver network solutions and infrastructure projects.
• Monitor, troubleshoot, and optimize network performance and security.
• Manage technology lifecycle, documentation, and operational support.

Requirements:

• At least a Diploma with at least 4 years of network engineering experience.
• Strong knowledge of routing, switching, security, and network protocols.
• Hands-on experience with Cisco, Check Point, Palo Alto, and Fortinet technologies.
• CCNP and firewall certifications preferred, with strong troubleshooting skills.

Loh Puay Hwee David

EA License | 24C2215

EA Registration Number | R1766892

The Managed Services Cross Technology Engineer (L3/L4) – Network / Security is an advanced, architect-level role across multiple technology domains (Cloud, Security, Networking, Applications, Collaboration). The primary objective is to design, implement, and maintain an enterprise network defensive architecture to protect data and infrastructure from sophisticated threats. This role acts as the highest-tier escalation point (4th-line support) to resolve complex operational incidents, ensure contracted client outcomes, and meet Service Level Agreements (SLAs).

Key Responsibilities

1. Strategy & Architecture

• Security Roadmap: Define, architect, and champion the overall network security posture across on-premise, cloud, and hybrid environments (including Zero Trust and SASE models).

• Infrastructure Design: Deploy and manage core components like Next-Gen Firewalls (NGFW), IDS/IPS, WAF, Load Balancers, VPNs, and Network Access Control (NAC) systems.

• Cloud & Segmentation: Design secure cloud networking patterns (e.g., AWS VPCs, Azure VNets) and enforce micro-segmentation.

• Policy & Governance: Establish and enforce comprehensive network security policies, standards, and baselines.

2. Incident Management & Operations

• L4 Escalation Support: Act as the final technical tier for complex incidents that lower-level teams (L1–L3) cannot resolve, performing deep root-cause analysis.

• Ticket & SLA Ownership: Systematically troubleshoot, log, track, and update tickets with resolution details within agreed timelines.

• Proactive Monitoring: Diagnose and investigate potential system issues and errors before or when they occur to minimize client impact.

• Emergency & Change Management: Serve as an emergency contact for critical, business-impacting outages and oversee strict change management protocols.

3. Optimization, Projects & Mentorship

• Automation: Collaborate with automation teams to script and automate routine operational tasks for effort optimization.

• Knowledge Sharing & Mentorship: Create high-quality technical documentation (HLD/LLD) and coach/push knowledge down to junior engineering teams.

• Disaster Recovery: Develop, implement, and test network security components within Disaster Recovery (DR) and Business Continuity plans.

• Project Delivery: Manage, implement, and execute technical projects according to client timelines.

• Quality Audits: Perform process and service experience quality audits.

Key Competencies & Attributes

• Strong client-centric focus with a passion for exceeding expectations under pressurized environments.

• Excellent change management, active listening, and cross-cultural communication skills.

• Ability to plan effectively amid changing circumstances and work extended hours when necessary.

Technical Skills & Certifications

• Education: Bachelor’s degree in IT/Computing or equivalent work experience.

• Preferred Certifications: CCIE, CCNP Security, CISSP, PCNSE, or vendor-specific firewalls (Fortinet, Check Point, Cisco).

• Core Technology Stack Required:

  • Firewalls/Security: Cisco ISE, Fortinet (FortiGate, FortiManager), Check Point, CyberArk.
    (Firewalls: Expert-level management of Cisco OR FortiGate)

  • Application Delivery/Vulnerability: F5 (LTM, WAF), RSA, Tenable, Trend Micro.

  • Monitoring & Tooling: Solarwinds, Splunk Enterprise, OPSWAT.

  • Network Diagnostics & Automation: Advanced packet analysis (Wireshark/tcpdump) and basic automation scripting (Python/Ansible).