Infrastructure Technical Specialist

5 days ago


Singapore Manpower Staffing Services Full time

Infrastructure Technical Specialist - Linux/Windows | Contract Overview We are looking for a hands-on Infrastructure Technical Specialist to manage and support enterprise-scale application platforms in production. The ideal candidate has a strong foundation in Linux/Windows administration, web and microservices architecture, patching, and DevSecOps practices, with a solid understanding of security and operational governance within government or regulated environments. Responsibilities: Take ownership of assigned application platforms, including setup, configuration, patch management and operational upkeep. Set up and manage WebSphere servers in High Availability (HA) mode in production. Participate in architecture and integration discussions involving Web Services, MQ and SFTP connections. Provision and maintain container-based services, including image repository lifecycle management. Maintain and support enterprise web and microservices architectures. Implement OS-level and application-level patching, operational housekeeping, archival, backup and recovery processes. Ensure systems comply with government security hardening, scanning and risk posture requirements. Define and improve operational processes to enhance platform reliability. Support DevSecOps toolchains such as GitHub/GitLab, Bamboo, SonarQube, and security scanning tools. Qualifications: Bachelor's Degree in Technology, Engineering, or related discipline. At least 1 year of hands-on experience with RHEL and/or Windows application administration and setup. Experience managing enterprise-scale online web or microservices architectures. Familiarity with Agile delivery processes. Understanding of end-to-end web application stack (SSO, web/app servers, databases). Experience with DevSecOps tooling and automation scripting (Shell / PowerShell) will be good to have. #J-18808-Ljbffr



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