Total 2,345 operations engineer job vacancies in Information Technology category in Hong Kong

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance applications using Java
• Build and enhance backend services, APIs, and microservices architectures
• Collaborate with frontend developers, QA engineers, and DevOps teams to deliver end-to-end solutions
• Participate in system design discussions, code reviews, and technical decision-making
• Troubleshoot, debug, and optimize application performance
• Ensure code quality through best practices, testing, and documentation
• Contribute to Agile ceremonies including sprint planning, stand-ups, and retrospectives

Requirements

• Degree in Computer Science, Engineering, or related field
• Strong experience in Java development (Spring Boot preferred)
• Proven experience in building scalable and distributed systems
• Familiarity with RESTful APIs, microservices, and cloud environments
• Experience with databases (SQL/NoSQL) and performance tuning
• Understanding of CI/CD pipelines and DevOps practices
• Strong problem-solving skills and ability to work independently

Good to Have

• Experience with containerization tools (Docker, Kubernetes)
• Exposure to cloud platforms (AWS, Azure, or GCP)
• Knowledge of messaging systems (Kafka, RabbitMQ)
• Familiarity with frontend technologies (React, Angular)

Work Location: Central

(EA Reg No: 20C0312)

Please email a copy of your detailed resume to kayla@talentsis.com.sg for immediate processing.

Only shortlisted candidates will be notified.

We are seeking a Software Engineer with strong backend development experience in Java and Spring Boot.. You will design, build, and maintain scalable microservices and deploy them on cloud platforms (AI Cloud or equivalent).

This is a 1-year direct contract role.
Key Responsibilities

• Design, develop, and maintain scalable backend applications using Java and Spring Boot

• Build and deploy microservices on cloud platforms

• Collaborate with cross-functional teams to define and deliver features

• Deploy, monitor, and manage applications in cloud environments

• Troubleshoot, debug, and optimize application performance

• Follow best practices in coding standards, testing, and deployment

• Participate in code reviews and continuous improvement

• Liaise with Mandarin-speaking stakeholders, vendors, and technical teams as required.

Role: MobileCore Network Ops Engineer (4G/5G)
Location: Singapore

We are partnering with a leading organisation to hire a Mobile Core Network OpsEngineer (4G/5G) to support critical telecom infrastructure and ensure seamlessnetwork operations.

About theRole

You will beresponsible for the operation, maintenance, and troubleshooting of 4G/5G corenetwork systems, ensuring high service availability and performance, includingsupport for international roaming services.

KeyResponsibilities

• Manage and support 4G/5G Mobile Core nodes (e.g., IMS, HSS, UDM, SBC, MSS, etc.) to ensure smooth network operations
• Perform system maintenance, including patching, upgrades, and performance optimisation
• Monitor network performance, KPIs, and alarms to maintain service quality
• Troubleshoot and resolve end-to-end network issues across core systems
• Collaborate with local providers and international roaming partners for testing and service assurance
• Implement security hardening and vulnerability management to mitigate risks
• Develop and maintain operational processes and documentation

Requirements

• Degree in Electronics, Communications, Networking, or related field
• Minimum 3-5 years of experience in the Telco industry
• Strong knowledge of 4G/5G core networks and call flows
• Familiarity with protocols such as IMS, VoLTE, SS7, Diameter, SIP, SCTP
• Hands-on experience in network troubleshooting (end-to-end)
• Exposure to VoLTE roaming and IREG testing
• Understanding of network and application security
• Knowledge of IP networking (switching & routing)
• Experience working with Linux and virtualised environments
• Basic scripting/programming skills (e.g., Python, Shell)

UEN: 202329526G

EA Licence: 23S2061

• Well Established Company
• Excellent Welfare and Benefits + Career progression
• Basic $ 4500 to $ 6000 + AWS + VB
• Working location: North-East
• Working Hours: Monday to Friday (8:30am to 5:30pm)
• Must have C / C++

Job Responsibilities:

• Responsible for software prototyping, requirement analysis, design, development, test, system integration and site integration for developed applications
• Design, configuration, test, integration and maintenance of Automation & SCADA Systems and applications
• Provide technical, deployment and commissioning support to Project Teams and Customers
• Maintain and enhance software applications in both functionality
• Provide software support via on-site troubleshooting, testing and tuning of applications, software, network, protocols and communication issues

Requirements:

• Diploma/Degree in Electronics Engineering or Computer Science
• Experienced with two or more languages such as C/C++, C#, Python
• Experienced in at least one scripting language sch as Python, bash, ksh, bat, ps
• Experience in real tome/embedded system
• At least 2-3 years experience in C/C++ and at least 1 full SDLC
• Knowledge/Experience with SCADA protocols, RDBMS, REST, MQTT are desired

Candidates are encouraged to apply this position via Apply Now button with the following information in the resume

• Work experiences and job responsibilities
• Current and Expected salary
• Reason for leaving
• Date of availability
• Education background

We regret that only shortlisted candidates will be contacted.

NG DIAUM YEE (R2198031)

EA Recruitment Pte Ltd

EA License No: 21C0492

Summary

We are seeking a highly skilled Network Reliability Engineer (NRE) with strong hands-on experience across hybrid enterprise and cloud network environments, including on-premises data centers and AWS/Azure cloud platforms. The ideal candidate will be responsible for ensuring reliability, scalability, availability, automation, and observability of network and security infrastructure using Network Reliability Engineering(NRE) and Site Reliability Engineering (SRE) principles.

Responsibilities

Network Reliability and Operations

• Own end-to-end reliability, performance, and availability of hybrid and cloud-connected network services.
• Apply NRE/SRE principles to improve operational efficiency, resilience, scalability, and service stability.
• Perform advanced troubleshooting, root cause analysis (RCA), and incident resolution for complex network and security issues.
• Participate in on-call rotations, major incident response, and operational escalations.
• Define and maintain SLIs, SLOs, and error budgets for critical network services.
• Develop operational standards, documentation, SOPs, and runbooks.

Network Automation and Infrastructure as Code

• Design, develop, and maintain Ansible playbooks, roles, templates, and automation workflows for multi-vendor network environments.
• Automate Day-1, Day-2, and Day-N operational activities including provisioning, configuration management, backups, compliance validation, and remediation.
• Translate operational procedures and BAU activities into reusable Infrastructure-as-Code (IaC) automation frameworks.
• Implement event-driven and self-healing automation integrated with monitoring tools, APIs, and ITSM platforms.
• Build automated validation and configuration drift detection mechanisms.

Hybrid Cloud and Data Center Networking

• Support and manage Cisco ACI-based enterprise data center environments.
• Administer Cisco IOS-XE, NX-OS, and Wireless LAN Controller (WLC) platforms.
• Design and support AWS networking solutions including: VPCs, Transit Gateway, VPN, Direct Connect, Security Groups, NACLs
• Design and support Azure networking solutions including: VNets, NSGs, UDRs, VPN Gateway, ExpressRoute, Azure Firewall
• Manage hybrid connectivity solutions including MPLS, internet, site-to-site VPN, remote access VPN, and secure cloud connectivity.

Network Security and Proxy Platforms

• Manage and support enterprise firewall platforms including: Palo Alto, Check Point, Cisco Firepower (FTD)
• Support firewall policy governance and automation using AlgoSec.
• Administer proxy and secure web gateway platforms including Bluecoat ProxySG.
• Support cloud security platforms including Zscaler ZIA, ZPA, and ZTNA solutions.

Application Delivery and Load Balancing

• Manage and support F5 VELOS chassis environments.
• Configure and administer F5 LTM, GTM, and APM modules.
• Design resilient application delivery solutions for on-premises and cloud workloads.

Monitoring, Observability and CI/CD

• Build and maintain observability dashboards, monitoring, and alerting using: Datadog, Prometheus, Grafana, Cisco DNA Center, Forescout
• Integrate infrastructure changes into CI/CD pipelines with automated testing, validation, and rollback capabilities.
• Utilize GitHub for version control, peer reviews, and change governance.
• Develop automation tools and integrations using REST APIs, Python, and Django.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent experience.
• 7 years of experience in Network Engineering, Cloud Networking, Network Security, NRE, or SRE roles.
• Strong expertise in enterprise networking, cloud networking, and network security.
• Strong hands-on experience with network automation using Ansible.
• Experience with CI/CD pipelines and Infrastructure-as-Code methodologies.
• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to work effectively in large-scale production environments.
• Strong communication, collaboration, and documentation skills.
• Ability to translate business requirements into measurable reliability objectives.
• Relevant certifications are highly preferred: CCNP / CCIE, AWS or Azure Networking certifications, PCNSE, Check Point CCSA/CCSE, F5 certifications

Role Overview

We are seeking an AI & Data Engineer to design, deploy, and scale production-ready data pipelines and generative AI architectures on AWS. You will build robust data infrastructures, advanced RAG systems, and autonomous agentic workflows using cloud-native, serverless systems.

Key Responsibilities

• AI Architecture: Design RAG pipelines, vector stores, and embedding workflows on AWS.
• Agentic Workflows: Write clean, serverless code for autonomous AI agent systems.
• Data Pipelines: Build secure, scalable data ingestion pipelines with business stakeholders.
• AI Guardrails: Deploy evaluation metrics and safety guardrails for live AI models.
• Performance: Optimize algorithms for high-performance data processing, retrieval, and inference.
• Quality & Compliance: Drive end-to-end testing (unit/E2E) while ensuring data governance and security compliance.
• Agile Delivery: Participate actively in sprint planning, daily stand-ups, and retrospectives.

Requirements

• Education: Bachelor’s degree in Computer Science, Engineering, or equivalent experience.
• AI Experience: 3+ years of professional experience with LLMs and agentic AI workflows.
• Tech Stack: Proficiency in Python with 1+ years of hands-on exposure to AWS AI services.
• DevOps: Experience working in Agile environments with cloud-based CI/CD pipelines.

High-Impact Market Infrastructure
Hands on development

About the Company

We are partnering with a top-tier global financial institution specializing in market infrastructure and transaction services. Operating in a fast-paced, international environment, they provide critical backend solutions that keep global financial markets moving safely and efficiently.

About the Job

• Impactful Work: Design and build high-quality, scalable backend applications for business-critical financial operations.

• Modern Work Style: Enjoy a hybrid arrangement (minimum 2 days in the office) with a culturally diverse, collaborative team.

• Tech-Driven Culture: Work in an agile setting where you can question assumptions, explore new ideas through coding, and simplify complex technical architecture.

• Full Ownership: Take charge of the entire lifecycle—from hands-on development and testing to pushing solutions into production.

• Operational Excellence: Collaborate with global counterparts to ensure smooth day-to-day operations and successful system delivery.

Requirements

• Minimum 5 years of commercial software development experience (UNIX/Windows) with a Computer Science or Engineering degree.

• Strong hands-on coding and development expertise in Java 17+, Spring Boot, Hibernate/JPA, and Maven

• Data & Scripting: Solid knowledge of SQL (PostgreSQL/DB2 preferred) alongside Linux and Shell Scripting.

• DevOps & Architecture: Familiarity with containerization (Kubernetes/OpenShift), CI/CD pipelines, Microservices, and Kafka.

• Bonus Points: Experience with AWS, Python/Perl, modern Git workflows (Jenkins, GitLab/Bitbucket), or an investment banking background.

• Soft Skills: Excellent English communication skills, a problem-solving mindset, and the ability to confidently present ideas during sprint reviews.
  

  
  To apply online please use the 'apply' function, alternatively you may contact Evangeline. (EA: 94C3609/ R24124002)

Key responsibilities:

• Responsible for reviewing/understanding requirements and develop CL/RPG programs with DB2 in AS400
• Responsible for AS400 system environment setup for new server/apps/country
• Responsible for build of interface file layout in AS400 with the Connect Direct setup to file sending/receiving with source system in various platforms.
• Responsible for development of job schedules that integrate the upstream and downstream systems (e.g. Control-M)
• Responsible for unit testing, debugging, and performance testing, with key focus on data accuracy and integrity
• Accountable for on-time delivery of all documentation, design, build, testing, and deployment according to the work breakdown structures
• Work with production support teams as required to support production activities, including production migrations, continuity testing, environment migration activities
• Must have impeccable written and oral communication skills down to the functional/technical documentation level
• Ensure that documentation is captured, maintained, understood by and available to business and/or IT partners
• Escalate critical technical issues and potential problems as needed to the Project Manager to address any related issues in advance of deadlines

Key Skills:

Techno-Functional Role with:

• Proficiency in AS400 V7R4 or higher, Control-M for AS400 V9.0.19 or higher
• Experience in analysing design specification and producing technical design for banking system in AS400
• Experience in DB2, CL and RPG programming in AS400
• Experience in Connect Direct setup
• Experience in AS400 environment

We are seeking a highly skilled Ops DBA Engineer to join our team. The ideal candidate will have deep expertise in administering and maintaining enterprise-grade databases across multiple platforms, with focus on Oracle, Microsoft SQL Server, and AWS RDS. This role requires a proactive professional who can ensure database reliability, performance, and security while supporting mission-critical applications.

Key Responsibilities

• Manage and maintain Oracle, MSSQL, and MySQL platforms, including Oracle Encryption (TDE) and Hardware Security Module (HSM).
• Oversee database health, performance, and availability; proactively resolve issues before they impact services.
• Perform backups, restoration testing, and disaster recovery planning.
• Apply patches, upgrades, and security fixes in line with change management processes.
• Control user access, roles, and permissions in compliance with security policies.
• Tune queries, indexes, and configurations to maximize performance.
• Collaborate with application teams on schema changes, deployments, and troubleshooting.
• Maintain comprehensive records of configurations and procedures.
• Resolve database incidents within defined SLA timeframes.

Job requirement

• Bachelor’s degree in Computer Science or equivalent.
• Minimum 6 years of professional experience in database administration.
• Proven expertise in:Oracle RAC & RMAN backup/recoveryMicrosoft SQL Server administrationAWS RDS management

• Good analytical and problem-solving skills.
• Ability to work under pressure and meet tight deadlines.
• Excellent communication and collaboration skills.
• Commitment to maintaining high standards of database security and compliance.

The Network Infra Engineer is part of the 3rd Level Telco Infrastructure Operations, providing expert technical support and leadership across core infrastructure under enterprise services.

The role serves as the highest technical escalation point within the infrastructure team, ensuring service stability, secure and compliant infrastructure operations, successful implementation of complex IPVPN solutions, and continuous service improvement across multi-vendor environments (Juniper, Cisco, Fortinet).

Make an Impact by:

• Act as the 24x7 L3 escalation point for Operations and Provisioning teams on IP network issues, ensuring timely resolution of complex faults and service disruptions.
• Lead troubleshooting, root cause analysis, and resolution of complex and chronic network problems, driving preventive and long-term corrective actions.
• Provide technical leadership during major incidents, overseeing incident, problem, and change management from a technical governance perspective.
• Lead design reviews and oversee implementation, expansion, upgrades, and roll-outs of IP network infrastructure across multi-vendor environments.
• Perform risk and impact assessments for hardware/software advisories, conduct preventive maintenance, and ensure infrastructure security through audits and timely patching.
• Monitor and analyze IP network performance, proactively recommending enhancements including software and hardware upgrades to improve stability and performance.
• Work closely with vendors, partners, engineering, and cross-functional teams to resolve escalated technical issues and support new product or feature deployments.
• Prepare network performance and statistical reports and provide technical guidance and training to Tier 1 and Tier 2 engineers to strengthen operational capability.

Skills for Success:

• Minimum of 5 years' experience in similar capacity or in Service provider or carrier-grade environment experience; leadership of technical teams; security/vulnerability management exposure.
• Good knowledge on Telco and enterprise network and technologies.
• Strong understanding of routing protocols like OSPF, BGP, MP-BGP, MPLS, TE, QoS.
• Possess good level of knowledge in Internetworking, IP routing protocols, troubleshooting for MPLS/IP VPN based networks.
• Possess good working knowledge in Cisco and/or Juniper routers architecture.
• Possess good analytical and trouble-shooting skills in technical fault isolation and rectification.
• Ability to lead during major incidents
• Strong communication & stakeholder management
• Candidates with JNCIE/ CCIE/ CCNP/ NSE certification will be added advantage

As a Senior Software Engineer (Web), you will be working on:

• Partner with software engineers and other functions to understand objectives for development delivery efficiency and system resiliency, helping them articulate how specific technical capabilities and best practices will achieve key business outcomes.

• Conduct comprehensive assessments of Agency's existing technical landscapes, workflows, and processes to identify inefficiencies, pain points, and gaps that hinder their goals.

• Collaborate with Agency to identify the most relevant practices (e.g., CI/CD, SRE) for using Core Engineering Products in achieving their goals, considering unique needs and industry best practices.

• Develop transition roadmaps that outline a clear path from the current state to the desired future state, including the adoption of recommended tools and processes.

• Explain complex concepts clearly to various Agency stakeholders, providing actionable recommendations for improving workflows and addressing their challenges, and providing supporting diagrams as needed.

• Support Agency with proof of concept (POC) initiatives to validate solutions, offering hands-on assistance during early implementation phases to enable smooth transitions to full-scale rollouts.

• Collaborate closely with fellow Software Engineers to exchange insights, share tools and scripts, and foster a collaborative environment that supports continuous improvement and knowledge sharing.

What we are looking for:

• 6+ years in an individual contributor software engineering role.

• Experience with React with TypeScript

• Experience with NodeJS is a plus.

• Experience with one or more of Cloud Service Providers such as AWS, Azure, or GCP is a plus

• Strong track record of successful large-scale partner solution implementations, preferably in complex enterprise environments

• Exceptional communication skills with ability to bridge technical discussions between internal teams and external partners

• Experience working in highly secured and air gap systems is a plus (i.e. banking, government systems and similar)

Looking for Full Stack Engineers with at least 7 years of relevant experience (React with Typescript, NodeJS) 

Singaporeans ONLY

**We regret to inform that only shortlisted candidates will be notified. Personal data collected will be used for recruitment purposes**

As a Senior Backend Engineer, you will be working on:

 • Partner with software engineers and other functions to understand objectives for development delivery efficiency and system resiliency, helping them articulate how specific technical capabilities and best practices will achieve key business outcomes.

• Conduct comprehensive assessments of Agency's existing technical landscapes, workflows, and processes to identify inefficiencies, pain points, and gaps that hinder their goals.

• Collaborate with Agency to identify the most relevant practices (e.g., CI/CD, SRE) for using Core Engineering Products in achieving their goals, considering unique needs and industry best practices.

• Develop transition roadmaps that outline a clear path from the current state to the desired future state, including the adoption of recommended tools and processes.

• Explain complex concepts clearly to various Agency stakeholders, providing actionable recommendations for improving workflows and addressing their challenges, and providing supporting diagrams as needed.

• Support Agency with proof of concept (POC) initiatives to validate solutions, offering hands-on assistance during early implementation phases to enable smooth transitions to full-scale rollouts.

• Collaborate closely with fellow Software Engineers to exchange insights, share tools and scripts, and foster a collaborative environment that supports continuous improvement and knowledge sharing.

What we are looking for:

• 6+ years in an individual contributor software engineering role.

• Experience with NodeJs with TypeScript.

• Experience with one or more of Cloud Service Providers such as AWS, Azure, or GCP.

• Experience building cron jobs and scripts to run batch jobs.

• Experience with streaming data.

• Strong track record of successful large-scale partner solution implementations, preferably in complex enterprise environments

• Exceptional communication skills with ability to bridge technical discussions between internal teams and external partners

• Experience working in highly secured and air gap systems is a plus (i.e. banking, government systems and similar)

Looking for Full Stack Engineers with at least 7 years of relevant experience (React with Typescript, NodeJS) 

Singaporeans ONLY

**We regret to inform that only shortlisted candidates will be notified. Personal data collected will be used for recruitment purposes**

Join a cloud transformation team delivering SharePoint, .NET, and Microsoft 365 solutions across enterprise environments.

Location: Central
Job Type: Contract (Renewable basis)

Responsibilities

• Design, develop, and maintain SharePoint solutions and ASP.NET / .NET applications
• Support SharePoint migration projects from On-Premises to Government Cloud environments
• Perform application deployment, troubleshooting, system enhancements, and workflow automation
• Collaborate with infrastructure, cybersecurity, and business stakeholders on solution delivery

What We’re Looking For

• Degree or Diploma in Computer Science, Information Technology, Engineering, or related discipline
• Min. 4 years of experience in software development.
• Hands-on experience with SharePoint Online and SharePoint Subscription Edition (On-Premises)
• Experience in SharePoint migration projects and ASP.NET / .NET development
• Good knowledge of Microsoft SQL Server, REST APIs, and Microsoft 365 technologies
• Familiarity with Microsoft Entra ID / Azure Active Directory (AAD)
• Strong troubleshooting and problem-solving skills

Why Join

• Opportunity to work on impactful government cloud transformation projects
• Exposure to modern Microsoft cloud and enterprise technologies
• Collaborative environment with opportunities for technical growth

By submitting your resume, you consent to the collection, use, and disclosure of your personal information per ScienTec’s Privacy Policy (scientecconsulting.com/privacy-policy).

This authorizes us to:

• Contact you about potential opportunities.

• Delete personal data as it is not required at this application stage.

All applications will be processed with strict confidence. Only shortlisted candidates will be contacted.

Elaine Wong (Zoe) l Outsourcing Team

ScienTec Consulting Pte Ltd - 11C5781

☑ Good Bonuses

☑ Near MRT

☑ Family Friendly Environment

Job Description:

• Lead and manage SOC team resources to ensure 24x7 security event monitoring, incident response, and timely escalation of cyber threats.
• Maintain and enhance SIEM/SOAR platforms, including fine-tuning detection rules, log ingestion, and ensuring high availability and disaster recovery.
• Lead forensic investigations, threat hunting for IOCs and TTPs, and drive end-to-end SOC capability uplift projects.
• Prepare and present detailed incident reports, including root cause analysis and remediation recommendations, to management.

Requirements:

• At least a degree in Computer Science or related certifications.
• Strong hands-on expertise in SIEM/SOAR operations, incident response methodologies, and defence solutions across host-based and network-based layers.
• Familiarity with Singapore regulatory frameworks (Cybersecurity Act 2018, MAS TRMG, CCoP) and industry frameworks such as MITRE ATT&CK, OWASP Top 10, and Cyber Kill Chain.
• Proven team leadership with direct reporting experience.

To apply, please include the following details inside your CV for faster processing:

• Reasons for leaving each past & current employment
• Salary drawn for each past & current employment
• Expected Salary
• Earliest availability date

We regret that only short-listed candidates will be contacted shortly.

Loh Puay Hwee David

EA License | 24C2215

EA Registration Number | R1766892

As a Senior Software Engineer, you will be working on:

• Partner with software engineers and other functions to understand objectives for development delivery efficiency and system resiliency, helping them articulate how specific technical capabilities and best practices will achieve key business outcomes.

• Conduct comprehensive assessments of the existing technical landscapes, workflows, and processes to identify inefficiencies, pain points, and gaps that hinder their goals.

• Collaborate with client to identify the most relevant practices (e.g., CI/CD, SRE) for using Core Engineering Products in achieving their goals, considering unique needs and industry best practices.

• Develop transition roadmaps that outline a clear path from the current state to the desired future state, including the adoption of recommended tools and processes.

• Explain complex concepts clearly to various stakeholders, providing actionable recommendations for improving workflows and addressing their challenges, and providing supporting diagrams as needed.

• Support client with proof of concept (POC) initiatives to validate solutions, offering hands-on assistance during early implementation phases to enable smooth transitions to full-scale rollouts.

• Collaborate closely with fellow Software Engineers to exchange insights, share tools and scripts, and foster a collaborative environment that supports continuous improvement and knowledge sharing.

What we are looking for:

• 6+ years in an individual contributor software engineering role.

• Experience with NodeJs with TypeScript.

• Experience with one or more of Cloud Service Providers such as AWS, Azure, or GCP.

• Experience building cron jobs and scripts to run batch jobs.

• Experience with streaming data.

• Strong track record of successful large-scale partner solution implementations, preferably in complex enterprise environments

• Exceptional communication skills with ability to bridge technical discussions between internal teams and external partners

• Experience working in highly secured and air gap systems is a plus (i.e. banking, government systems and similar)