Senior Windows Engineer

TENTEN PARTNERS PTE. LTD; Singapore; On-site; SGD 150,000 - 190,000; Full time

Job summary

TENTEN Partners is seeking a Senior Windows Engineer to provide technical leadership across enterprise Microsoft platforms and core infrastructure services. You will maintain secure, reliable Windows environments while guiding platform upgrades, automation initiatives, and lifecycle programs in a complex setting.

This senior hands-on role is for an infrastructure lead who enjoys solving complex technical issues and shaping platform standards, collaborating across operations, security, cloud, and

Qualifications

• Extensive senior Windows engineering experience in large enterprises.
• Deep knowledge of Windows Server, AD, Entra ID, Group Policy, PKI, and monitoring.
• Experience with virtualization platforms (VMware/Nutanix/Citrix) and platform upgrades.

Responsibilities

• Lead the technical direction, stability, and ongoing improvement of enterprise Windows infrastructure and associated core platform services
• Act as the senior technical escalation point for complex production issues, coordinating recovery activities and driving permanent fixes for recurring problems
• Plan and deliver infrastructure refreshes, major upgrades, migration activities, and lifecycle initiatives across Windows-based platforms
• Establish practical operational standards covering change controls, patch management, backup, recovery testing, vulnerability remediation, and service performance
• Work with internal teams and external service partners to improve support quality, documentation, automation, and day-to-day platform reliability
• Develop automation using scripting and configuration-management tools to reduce manual work, improve consistency, and speed up operational delivery
• Partner with security and risk stakeholders to strengthen identity controls, privileged access practices, and secure administration across Windows services

Skills

Scripting & automation

Stakeholder management

Communication during incidents

Tools

PowerShell

Ansible

VMware

Nutanix

Citrix

Group Policy

Job description

We are partnering with a leading global organisation to hire a Senior Windows Engineer to provide technical leadership across enterprise Microsoft platforms and core infrastructure services. As a Senior Windows Engineer, you will help maintain secure, reliable, and scalable Windows environments while leading platform upgrades, operational improvements, and automation initiatives in a complex, regulated setting

This is a senior hands-on infrastructure role for a windows infrastructure engineering lead who enjoys solving complex technical issues, shaping platform standards, and working across operations, cyber security, cloud, and application teams.

Responsibilities

• Lead the technical direction, stability, and ongoing improvement of enterprise Windows infrastructure and associated core platform services

• Act as the senior technical escalation point for complex production issues, coordinating recovery activities and driving permanent fixes for recurring problems

• Plan and deliver infrastructure refreshes, major upgrades, migration activities, and lifecycle initiatives across Windows-based platforms

• Establish practical operational standards covering change controls, patch management, backup, recovery testing, vulnerability remediation, and service performance

• Work with internal teams and external service partners to improve support quality, documentation, automation, and day-to-day platform reliability

• Develop automation using scripting and configuration-management tools to reduce manual work, improve consistency, and speed up operational delivery

• Partner with security and risk stakeholders to strengthen identity controls, privileged access practices, and secure administration across Windows services

Requirements

• Significant experience as a Senior Windows Engineer, Windows Server Engineer, Systems Engineer, or Infrastructure Operations Lead within a large enterprise environment

• Deep knowledge of Microsoft Windows Server, Active Directory, Entra ID, Group Policy, PKI, endpoint or server management tooling, and enterprise monitoring solutions

• Strong experience supporting virtualised infrastructure and related technologies, including VMware, Nutanix, Citrix, clustering, storage, and recovery capabilities

• Proven track record in Windows platform upgrades, migrations, production support, major incident response, and infrastructure lifecycle management

• Hands-on scripting and automation experience using PowerShell, Ansible, or similar tools; experience with ITSM platforms and public cloud services is beneficial

• Strong stakeholder and vendor-management skills, with the confidence to guide technical teams, influence service partners, and communicate clearly during critical events

This is an excellent opportunity for a Senior Windows Engineer or senior Microsoft infrastructure professional who wants to influence enterprise platform strategy while remaining close to the technology, operational outcomes, and modernisation roadmap.

Equal Opportunity Statement

TENTEN Partners is an equal opportunity firm and is committed to providing equal employment opportunities to all qualified individuals without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or any other protected characteristic as outlined by applicable laws.