Information Technology - Lead Systems Engineer, IT Network Comms (Core DC)

Singapore Airlines; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

Singapore Airlines is seeking a senior Network Operations Engineer to own the data centre network architecture, design, and day‑to‑day operations, ensuring high availability, performance and security across the SIA Group.

You will lead major incidents, drive RCA and changes, and push automation with Ansible and Python, including AI‑enabled ops to reduce MTTR and strengthen resilience at scale.

Qualifications

• Bachelor's degree in Computer Sciences or related discipline.
• 6+ years of hands-on network operations/engineering experience in a multi-vendor environment.
• Strong DC networking fundamentals (routing/switching, troubleshooting, complex change execution).
• Experience with incident, problem, change management and RCA.
• Experience implementing automation to improve processes.
• Strong problem-solving and communication skills.
• Experience in two or more of: core DC networking, security, network automation.
• Working knowledge of Ansible/Python/APIs (or motivation to build).
• Familiarity with segmentation/micro-segmentation and security hygiene.
• Certifications such as Cisco/F5/Palo Alto/Check Point (or equivalent).
• Awareness of AIOps/AI trends and pragmatic application.

Responsibilities

• Service Operations & Reliability for DC network; ensure SLAs are met.
• Provide operational support for core DC networking (routing/switching, segmentation, connectivity).
• Drive Incident, Problem, Change, and Configuration Management to meet targets.
• Serve as technical lead during major incidents, perform RCA and drive actions.
• Plan and execute complex changes with risk assessment and back-out planning.
• Maintain high-quality configuration and runbooks/SOPs; drive improvements.
• Operational Automation & AI-enabled Ops; design automation to improve BAU.
• Use Ansible, Python, and APIs to standardise operational workflows.
• Apply AIOps/AI-assisted operations to reduce MTTR; scale automation patterns.
• Security Operations & Zero Trust; improve security posture of DC network.
• Vendor & Service Delivery Management; track incidents and SLA adherence.
• Participate in service delivery reviews and drive improvements.
• Continuous Improvement & Technology Refresh; identify pain points and implement improvements.

Skills

DC networking fundamentals

Incident management

Automation & AI-enabled ops

Ansible

Python

Security hygiene

Communication skills

Multi-domain networking

Certifications (Cisco/F5/Palo Alto/...

Education

Bachelor's degree in Computer Sciences or related discipline

Tools

Ansible

Python

APIs

Job description

Job Description

The incumbent will be responsible for the architecture, design, implementation and day-to-day operations of the SIA Group’s core Data Centre network, keeping mission-critical services highly available, performant, and secure. He/She requires an analytical mindset, good awareness and appreciation of operational practices, and strong expertise in automation and AI-enabled operations in order to reduce toil, improve incident response, and strengthen resilience at scale.

Key Responsibilities

• Service Operations & Reliability
• Provide operational support for core DC networking (routing/switching, segmentation, connectivity)
• Drive Incident, Problem, Change, and Configuration MANAGEMENT to meet service targets and standards
• Serve as technical lead during major incidents, performing deep-dive troubleshooting, RCA, and driving corrective/preventive actions
• Plan and execute complex changes with risk assessment, readiness checks, back-out planning, and post-change validation
• Maintain high-quality configuration and operational documentation; continuously improve runbooks/SOPs
• Operational Automation & AI-enabled Ops
• Design and build automation to improve BAU consistency and efficiency (e.g., config deployment/validation, compliance, health checks, reporting)
• Use Ansible, Python, and APIs to standardise operational workflows.
• Apply AIOps/AI-assisted operations (event correlation, anomaly detection, noise reduction, and predictive alerting) to reduce MTTR
• Scale automation patterns
• Security Operations & Zero Trust
• Operate and improve the security posture of DC network infrastructure
• Support micro-segmentation and Zero Trust-aligned controls within the data centre network
• Proactively identify resiliency and security gaps and drive remediation through engineering changes and automation
• Vendor & Service Delivery Management
• Collaborate with vendors and stakeholders to ensure service availability and timely issue resolution
• Track incidents/problems/tickets to ensure SLA adherence, quality updates, and timely closure
• Participate in service delivery reviews and drive actions that improve outcomes
• Continuous Improvement & Technology Refresh (Ops-led)
• Identify operational pain points and implement improvements across process, tooling, monitoring, and automation
• Participate in POCs/lab validations to improve operability, reliability, and automation

Requirements

• Bachelor's degree in Computer Sciences or related discipline
• 6+ years of hands-on network operations/engineering experience in a multi-vendor environment.
• Strong DC networking fundamentals (routing/switching, troubleshooting, complex change execution).
• Experience with operational practices: incident/problem/change management, RCA, and service reliability.
• Experience implementing process re-engineering and automation to improve processes.
• Strong problem-solving skills with the ability to isolate and resolve issues in complex environments.
• Excellent team player; ability to manage conflicts to achieve common goals.
• Strong communication skills; comfortable engaging technical and non-technical stakeholders.
• Experience in two or more of: core DC networking, security, network automation.
• Working knowledge of Ansible/Python/APIs (or motivation to build this capability quickly).
• Familiarity with segmentation/micro-segmentation and operational security hygiene.
• Certifications such as Cisco/F5/Palo Alto/Check Point (or equivalent).
• Awareness of AIOps/AI trends and ability to apply them pragmatically.

We thank all candidates for your interest in Singapore Airlines, and regret that only shortlisted candidates will be notified.