Total 5 job vacancies by Xcellink Pte. Ltd.

• Administer enterprise Kafka clusters in Production and UAT.
• Configure broker-level and topic-level settings (retention, replication, partitions, cleanup policies).
• Onboard new applications onto Kafka platform following governance standards.
• Implement SSL/TLS encryption and ACL-based authorization.
• Automate Kafka deployments using Ansible and CI/CD pipelines (Git, Jenkins, Bitbucket).
• Perform rolling upgrades, patching, and version migrations with minimal downtime.
• Executed Disaster Recovery (DR) flip activity to switch Kafka cluster from Active to Passive environment during maintenance and failover testing.
• Monitor cluster health using Prometheus, Grafana, and Confluent Control Center.
• Configure alerting for CPU, memory, log size, ISR shrink, and broker health.
• Optimize cluster performance and ensure high availability.
• Raise and execute Change Requests (CRs) as per release process.
• Provide L2/L3 production support and perform RCA.
• Providing guidance to application teams on best practices for Kafka integration.
• Participate in DR flip and failover testing.
• Support Kafka Connect, Schema Registry, and REST Proxy.

Description

As a Network Engineer L1, you will be responsible for the following :-

• 24/7 network operations and monitoring of network infrastructure and UPS systems

• Incident handling and escalation

• Incident tracking and reporting

• Preventive maintenance support

• Corrective maintenance support

• Monthly preventive maintenance reporting

• Network configuration support

• Change support based on approved requirements

• Monthly SLA reporting, performance reporting, incident reporting

Manage infrastructure includes:

• Routers, switches and firewalls

• IPS / IDS / NAC systems

• Load balancers

• Wireless infrastructure

• Media converters

• Any other network devices

• UPS systems

Key Deliverables

• Fully managed 24/7 Network & UPS support

• Incident resolution within agreed SLA

• Preventive maintenance and monthly reporting

• Security and compliance assurance

Requirements

• Minimum Higher Nitec or Nitec with Module in IT and has fundamental knowledge in Network.
• Capable to understanding and implement procedures and instructions given in operations manual.

• A strong team player with the ability to collaborate and willingness to support others.
• Have strong communications skills and ability to resolve issues or inquiries effectively.
• Able to work rotational shifts: 1st Shift (22:00 - 10:00 hours) & 2nd Shift (10:00 - 22:00 hours).
• Successful applicants for this position should be ready to work primarily at Tuas Checkpoint. However, they may also be assigned to work at Woodlands checkpoint in the future on a rotational basis.

Benefits

• You will be trained to install, monitor, and troubleshoot network equipment.
• Shift Allowance
• Performance Bonus

Description

As a Network Engineer L2, you will be responsible for the following :-

• Monitor and manage network infrastructure and UPS systems to ensure optimal performance and availability.
• Perform real-time network monitoring and respond promptly to alerts and incidents.
• Troubleshoot and resolve Level 2 network issues within established SLA timelines.
• Escalate complex issues to relevant teams or vendors when required.
• Track, document, and maintain incident records through the ticketing system.
• Prepare incident reports and support post-incident reviews.
• Execute scheduled preventive maintenance activities on network and UPS infrastructure.
• Perform corrective maintenance to restore services and minimize downtime.
• Coordinate with vendors and internal stakeholders during maintenance activities.
• Maintain accurate maintenance records and prepare monthly preventive maintenance reports.
• Provide support for network configuration, implementation, and optimization activities.
• Execute approved network changes in accordance with change management procedures.
• Validate and document configuration changes to ensure compliance and operational stability.
• Assist in network upgrades, migrations, and deployment projects.
• Prepare and submit monthly SLA performance reports.
• Generate monthly network performance and availability reports.
• Produce monthly incident management reports and trend analysis.
• Maintain up-to-date network documentation, inventory records, and operational procedures.

The Network Engineer (L2) will support and maintain the following infrastructure:

• Routers
• Switches
• Firewalls
• IPS (Intrusion Prevention Systems)
• IDS (Intrusion Detection Systems)
• NAC (Network Access Control) Systems
• Load Balancers
• Wireless Infrastructure
• Media Converters
• UPS (Uninterruptible Power Supply) Systems
• Other related network devices and components

Requirements

• Minimum Diploma in IT and has fundamental knowledge in Network.
• 1 year of experience as a Network Engineer L2
• Candidates with a CCNA certification will have an added advantage.

• A strong team player with the ability to collaborate and willingness to support others.
• Have strong communications skills and ability to resolve issues or inquiries effectively.
• Able to work rotational shifts: 1st Shift (08:00 - 20:00 hours) & 2nd Shift (20:00 - 08:00 hours).
• Successful applicants for this position should be ready to work primarily at Woodlands Checkpoint. However, they may also be assigned to work at Tuas checkpoint in the future on a rotational basis.

Benefits

• Shift Allowance
• Performance Bonus

We are seeking a detail-oriented Network Engineer. You will ensure our local and wide area networks (LAN/WAN) operate with maximum uptime, security, and efficiency. You will play a pivotal role in optimizing performance, troubleshooting issues, and scaling digital infrastructure to support business continuity.

Key Responsibilities

• Infrastructure Design & Build: Design, configure, and maintain network hardware and software configurations, including routers, switches, firewalls, and VPNs.
• Performance Monitoring: Monitor network bandwidth, traffic, and system resources to ensure optimal data throughput. Proactively identify and resolve potential issues.
• Troubleshooting: Serve as the primary escalation point (L2/L3 support) for complex network connectivity and hardware problems.
• Security & Compliance: Develop, implement, and maintain network security policies, ensuring systems are protected against unauthorized access and cyber threats.
• Documentation & Capacity Planning: Create and maintain comprehensive technical documentation, network diagrams, and disaster recovery plans.
• Vendor Management: Collaborate with third-party support and service providers for telecom lines, hardware procurement, and vendor-specific issue resolution.

Qualifications & Skills

• Education: Bachelor’s degree in Computer Science, Information Technology, or a related technical field.
• Experience: 3+ years of hands-on experience in network engineering, infrastructure administration, or related IT roles.
• Networking Protocols: Deep understanding of TCP/IP and routing/switching technologies (e.g., BGP, OSPF, MPLS).
• Hardware Knowledge: Proven experience managing devices from vendors like Cisco, Juniper, or Fortinet.
• Security: Strong understanding of access control models, firewalls, and network diagnostic/monitoring tools (e.g., SolarWinds, Wireshark).
• Automation: Familiarity with scripting languages for network automation (e.g., Python, Perl) is highly preferred.
• Certifications: Certifications such as CCNA, CCNP, or CompTIA Network+ are a strong plus.

The objective and purpose of the role:

Responsible in gathering customer requirements, design, build and testing of the network systems in accordance to business needs. Maintain and perform operational tasks for internal and external systems to meet the required service levels.

Key Responsibilities:

• Analyze technical needs, requirements, and state of the network’s infrastructure design, integration, and operations.
• Produce high level architecture designs to meet customer requirements for semi-complex (or) complex systems. Articulate with sufficient knowledge to convince and explain customer on the design.
• Produce low level technical designs from high level architecture designs. Translate a broader infrastructure design or blueprint into technical specifications and details.
• Refine design specifications and prototypes based on inputs from internal / external stakeholders
• Installs or removes hardware and/or software, using supplied installation instructions and tools including, where appropriate, handover to the client.
• Develop a comprehensive testing plan to assess stability, suitability and performance of on-site infrastructure and systems
• Conducts tests, corrects malfunctions, and documents results in accordance with agreed procedures.
• Configures the hardware environment, produces integration test specifications, conducts tests and records the details of any failures.
• Drive the troubleshooting with internal/external system components.
• Reviews requirements and specifications, and defines test conditions.
• Designs test cases and test scripts under own direction, mapping back to pre-determined criteria, recording and reporting outcomes.
• Conducts tests as defined in an integration test specification, records the details of any failures, and carries out fault diagnosis relating to simple failures, reporting the results of the diagnosis in a clear and concise manner.
• Reviews test results and modifies tests if necessary. Provides reports on progress, anomalies, risks and issues associated with the overall project. Reports on system quality and collects metrics on test cases. Provides specialist advice to support other