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

• Bachelors 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