Sr. Systems Engineer

Computer World Services is seeking a Senior Systems Engineer to support the OFR’s efforts in engineering, building, configuring, and maintaining Windows, Cloud, Virtualization, and Storage systems. The role involves administering Active Directory, managing Microsoft 365 environments, optimizing virtualization platforms, and overseeing server maintenance.

Responsibilities:

• Administer and maintain Active Directory (AD) and Group Policy Objects (GPOs). Manage user accounts, permissions, and security groups. Implement AD best practices and troubleshoot AD-related issues. Perform regular AD health checks and ensure system integrity. Administer DHCP, DNS, and file/directory permissions. Utilize PowerShell for automation, reporting, and system management. Manage folder and file share permissions following least‑privilege principles
• Administer Office 365 environment, including Exchange Online, Teams, and OneDrive for Business. Manage user accounts, licensing, and service configurations. Lead and drive Microsoft 365 upgrades, migrations, and platform modernization effort. Implement best practices around identity, access, and compliance policies using Conditional Access, DLP, Sensitivity Labels, and Defender for Office 365
• Manage and optimize virtualization platforms (e.g., VXRail/VMware/Horizon). Oversee virtual machine creation, configuration, and performance tuning. Ensure high availability and disaster recovery solutions for virtual environments. Troubleshoot and resolve virtualization-related issues
• Oversee physical and virtual servers Monitor server performance, conduct regular updates, and perform backups. Troubleshoot and resolve server issues to minimize downtime. Implement and manage server security patches and updates
• Maintain accurate and up-to-date documentation for all IT systems and procedures. Create and manage system diagrams, configuration records, and troubleshooting guides. Generate regular reports on system performance, security incidents, and project status
• Work closely with other IT staff, departments, and external vendors to resolve technical issues. Provide guidance and mentorship to junior IT staff and helpdesk personnel. Participate in IT planning and strategy sessions

Requirements:

• 10+ or more years of IT experience in an Active Directory environment
• Experienced in M365 Hybrid environment (on-prem / M365)
• Experience with Windows PowerShell scripting
• Expert in Active Directory/Entra ID administration in a hybrid environment
• Certificate lifecycle management
• Expert in Microsoft 365 administration
• VxRail / VMware / Horizon management and administration
• Systems administration of Windows systems using PowerShell, scripting, and automation
• Manage Engine tools (ADManager/ADAudit/AD360)
• BeyondTrust (Bomgar) solutions experience a plus (Remote Assistance/PAM)
• Windows server deployment in cloud (AWS) and virtualized environments (VMware) (Windows 2019/20222 experience preferred)
• Documentation, development of system diagrams and SOPs
• Conducting integration testing, transition and acceptance and training from the Engineering phase to the production phase
• Coordinate activities at the system interface boundaries with other contractors and Government organizations
• Active Directory/Entra ID
• Microsoft 365 administration
• Skilled in using Active Directory Group Policies to manage and configure security settings on Windows as well as general Active Directory administration
• Worked in VMware environments with Horizon VDI solutions or Windows AWS Workspaces solution
• MDM Solution such as Intune
• Excellent written and verbal communications skills
• Preference given for Microsoft certifications
• Preference given for VMWare certification