Senior Network Engineer - Lead, 24/7 On-Call Ops

Quesscorp Singapore Pte Ltd

Singapore

On-site

SGD 78,000 - 100,000

Full time

14 days+

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Job summary

Quesscorp Singapore Pte Ltd is seeking a Senior Network Engineer to lead and deliver secure infrastructure networks in our Singapore operations. You will design, implement, test, and maintain network systems, working closely with the Team Leader to meet delivery milestones and ensuring high-availability across Cisco routers/switches, firewalls, and load balancers.

The role requires CCNA/CCNP/CCIE aligned certification, 3–5 years of hands-on experience, strong troubleshooting skills, and the

Qualifications

Bachelor's degree or higher in Computer Science/IT/Engineering or relevant field with network certification in CCNA/CCNP/CCIE.
3–5 years of experience configuring and administering routers and switches (Cisco), firewall products (CheckPoint/Forcepoint), F5 load balancers, AAA, NTP, and IPS.
Strong understanding of network systems, architecture, routing, switching, firewall and security.
Excellent interpersonal and communication skills to interact at all levels.
Proficient in network analysis and troubleshooting using networking tools.

Responsibilities

Design, implement, test and secure infrastructure network solutions.
Collaborate with Team Leader to meet delivery milestones.
Provide technical documentation to Project & Solutions teams and hand over as-built docs to maintenance.
Engage with back-line or vendor support to diagnose and rectify issues.
Support day-to-day operations of the System Delivery team.
Perform other technical duties as required.