Senior Engineer – Infrastructure & DevSecOps

About the role

ST Engineering is seeking a Senior Engineer to join its Mission Software & Services team in Singapore. You will be part of the operations support and maintenance group, ensuring mission‑critical defence projects run smoothly and meet SLA expectations.

Key responsibilities

• Manage and maintain infrastructure, including installation, configuration, and troubleshooting of Common Services software at the hypervisor level and above.
• Work with Nutanix and Hyper‑V technologies to provision virtual machines, access rights, and networks for system users.
• Provision user accounts promptly and manage them in line with defined policies and privilege levels.
• Install, configure, and maintain DevSecOps tools and services to guarantee service availability.
• Configure and manage virtual resources such as VLANs, Active Directory accounts, DNS, and Certificate Authority servers.
• Perform regular upgrades, updates, patching, and maintenance to keep tools and services free from known vulnerabilities.
• Support client enquiries and service requests related to DevSecOps.
• Update documentation for DevSecOps resources and collaborate with the team on support duties.
• Carry out any ad‑hoc duties assigned by management.

Required profile

• Strong passion and dedication to operational excellence and project success.

Required skills

• Nutanix
• Microsoft Hyper‑V
• Virtual machine provisioning
• VLAN configuration
• Active Directory (AD) account management
• DNS administration
• Certificate Authority (CA) server management
• DevSecOps tool installation and maintenance