Senior System Engineer - Windows

Key Responsibilities

• Administer, maintain, troubleshoot, and optimize Windows Server environments across on-premises, VMware, AWS, Azure, and private cloud platforms

• Manage server installations, configurations, upgrades, patching, performance monitoring, capacity planning, and lifecycle management

• Administer Active Directory, Group Policy, DNS, DHCP, IIS, PKI, file services, and hybrid identity integration with Microsoft Entra ID

• Manage Microsoft 365 services, including Exchange Online, Teams, SharePoint Online, OneDrive, user provisioning, licensing, and access controls

• Implement security hardening, vulnerability remediation, access reviews, MFA, Conditional Access, and Microsoft Defender security controls

• Develop PowerShell scripts and automation workflows to streamline system administration, patching, monitoring, reporting, and repetitive operational tasks

• Monitor infrastructure performance, investigate incidents, perform root cause analysis, and support high availability and service continuity

• Administer backup and recovery solutions, conduct restoration tests and disaster recovery drills, and support failover clustering and resilience initiatives

• Maintain infrastructure documentation, operational procedures, technical standards, asset records, and compliance evidence

• Support infrastructure upgrades, cloud migrations, modernization initiatives, audits, and continuous service improvement

• Collaborate with cybersecurity, network, cloud, application, and project teams to deliver secure and reliable infrastructure services

Person Specifications

• Bachelor's degree or diploma in Computer Science, Information Technology, Engineering, or a related field

• 4+ years of hands-on experience in Windows Systems Administration, Infrastructure Engineering, or Enterprise IT Operations

• Strong experience in Windows Server, Active Directory, Group Policy, Microsoft 365, and Microsoft Entra ID administration

• Working knowledge of DNS, DHCP, IIS, PKI, file services, virtualization, networking, storage, backup, and disaster recovery technologies

• Experience supporting hybrid environments across on-premises infrastructure, VMware, AWS, Azure, and Microsoft 365

• Proficiency in PowerShell scripting, automation, infrastructure monitoring, and troubleshooting

• Good understanding of Windows security, vulnerability management, patching, access control, and IT service management practices

• Experience in incident, problem, change, backup, and recovery management; exposure to regulated environments is an advantage

• Relevant Microsoft, cloud, virtualization, or IT service management certifications are desirable

• Strong analytical, documentation, communication, and stakeholder management skills

• Ability to work independently, manage competing priorities, and support business-critical systems in a 24/7 enterprise environment

Vendor submissions - 12 months