The Systems Engineer will provide hands-on technical leadership in support of a highly secure, mission-critical environment. This role is responsible for maintaining and securing enterprise Windows infrastructure, leading a small technical team, and ensuring systems meet stringent government security, compliance, and operational requirements.The ideal candidate has deep experience in Windows administration, endpoint management, and system hardening, along with proven ability to operate effectively in a cleared environment supporting sensitive customer missions.Active TS/SCI with Polygraph is required.Key Responsibilities
Provide technical leadership and day-to-day oversight for a small team (fewer than 6 personnel)
Support and maintain a secure Windows enterprise environment in accordance with customer policies and security controls
Serve as a senior escalation point for complex troubleshooting and operational issues
Prioritize tasks and manage workload in a fast-paced, mission-driven environment
Collaborate with vendors, government stakeholders, and internal teams
Develop and maintain accurate technical documentation and system diagrams
Ensure systems are compliant with DoD and IC security standards
Identify risks, recommend improvements, and support continuous operational excellence
Required Technical Skills & Experience
Extensive hands-on experience with Windows systems administration, including:
Active Directory
Group Policy Objects (GPO)
DNS and DHCP
Certificate Authorities / PKI
Strong experience with Microsoft Endpoint Configuration Manager (MECM/SCCM):
Patching and update management
Software deployment
System and image build processes
Experience implementing and maintaining security compliance, including:
DISA STIGs
System hardening and secure baselines
A&A (Assessment & Authorization) processes
Vulnerability management using tools such as Rapid7
Excellent troubleshooting, analytical, and problem-solving skills
Strong written and verbal communication skills, including the ability to clearly document technical systems and processes
Experience working in classified environments and adhering to security protocols
Desired / Bonus Skills
Virtualization and infrastructure platforms:
VMware (vCenter, NSX, vRealize / Aria, VCF)
End-user computing and VDI technologies:
Citrix XenDesktop, StoreFront, NetScaler
Dell Wyse Management Suite, ThinOS 10
Automation and scripting:
PowerShell or other scripting languages
Identity and data technologies:
Microsoft Identity Manager
Microsoft SQL clustering
Networking fundamentals in secure enterprise environments