Network System Security Engineer (6-month contract, Up to 8k, East)

We are hiring under Recruit Express headcount and details of this position are: Job Title: Contract Network System Security Engineer Location: Paya Lebar Working Hours: Mon - Fri, 2 days work from home Job Description: 1. Hybrid Infrastructure Operations • Support systems in Singapore Data Center and cloud workloads on AWS. • Perform daily monitoring for servers, network, and cloud components. • Provide L2 / L3 support for system, network, and server issues across regions. • Support AWS migration tasks and post-migration operations. 2. Incident Management & Vendor Coordination • Act as internal escalation points for Incident Management and external vendors. • Troubleshoot infra issues and coordinate with relevant teams for resolution. • Prepare RCA reports and perform incident trend analysis. 3. Security & Compliance • Assist with ISO27001 tasks including evidence collection, access review, patch compliance. • Monitor and review logs and security reports for compliance readiness. • Support vulnerability remediation and DR/failover tests. 4. Automation & Efficiency • Automate and maintain routine tasks with appropriate scripting languages / tools. • Develop and maintain Ansible playbooks for configuration management, patching, and system provisioning. 5. Standby & Availability • Participate in 24×7 standby rotation for critical issues. • Support maintenance windows and emergency changes. Job Requirement • Hands-on experience in infrastructure or cloud operations. • Exposure to datacenter or cloud environments. • Strong understanding of TCP/IP, DNS, DHCP, VPN, routing. • Familiar with Windows Server, Active Directory, Group Policies. • Linux administration experience. • Virtualization experience (VMware/Hyper‑V). • Automation and Scripting knowledge. • Understanding of AWS services and Monitoring. • Strong analytical and troubleshooting skills. • Good communication skills and ability to work with external vendors. • Ability to work under pressure with strong ownership mindset. • AWS certification or willingness to obtain. • Experience in multi-country operational support. • Familiarity with ISO27001 audits. Interested applicants please send your resume to rita@recruitexpress.com.sg Rita Shi Tianhe Outsourcing Team Recruit Express Pte Ltd EA License No: 99C4599 We regret that only shortlisted candidates will be contacted.