(781) 916-2284 [email protected]

Secret Cleared Sr. Principal Windows Systems Administrator

Our client, a large government contractor with offices located in Linthicum, MD, is in need of a Secret Cleared Sr. Principal Windows Systems Administrator to work onsite for a 6-month contract with great chance of extension and/or full-time conversion.


  • Serve as the IT Lead for a large, classified government contract(s), overseeing the effective maintenance and operational activities of the entire IT infrastructure including servers, desktop, and networking equipment.
  • Perform as a senior technical resource for the rest of the System Administration team, often taking on the mentorship and guidance of junior level team members.
  • Communicate effectively with all stakeholders in written and verbal formats.
  • Ensure necessary IT projects are completed independently or assigned/delegated to others as necessary.
  • Obtain and analyze internal and external customer requirements and recommend equipment and software as needed, periodically taking on the responsibility of coordinating various vendor quotes necessary to procure said equipment and software.
  • Implement system enhancements that will improve the performance, reliability, and security of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
  • Manage backup infrastructure and provide backup and recovery services.
  • Manage virus protection on a routine basis as directed by policy.
  • Maintain security audit and logging information on all classified networked and standalone computers as directed by the Cyber Security team.
  • Create and maintain user and computer accounts and modify file permissions as directed by policy.
  • Develop and maintain technical processes and procedures as needed.
  • Provide technical support/expertise to other classified programs across the campus, as needed, from time to time.

Required Skills

  • Associate degree with 11 years of experience, or a Bachelor’s degree with 9 years of experience, or a Master’s degree with 7 years of experience, or a PhD with 4 years of experience; a High School diploma or equivalent with 13 years of experience may be considered in lieu of a completed degree.
  • Active DoD Secret Clearance or Higher  
  • The selected candidate will be required to obtain and maintain a Special Access Program (SAP/SAR) clearance as a condition of continued employment.
  • Currently valid Security+CE, CASP, CISSP, or similar DoD 8570 security certification; certification must be maintained as a condition of continued employment.
  • Ability to lift equipment weighing up to 40 pounds.
  • Experience operating under and managing systems within current applicable information systems compliance standards.
  • Experience maintaining Classified Windows Domains in effective operations to include advanced knowledge of the following:
  • Experience with Microsoft Active Directory (AD) – deployment, maintenance, and support.
  • Experience with Group Policy Objects (GPO) – creation, modeling, and maintenance.
  • Experience with DNS Server administration.
  • Experience with DHCP Server administration.
  • Experience with Windows Server Update Servers (WSUS), SCCM, or similar third-party software update system administration.

Nice to have

  • Experience supporting license managers.
  • Supported golden image creation, deployment, and underlying infrastructure.
  • Deployed vulnerability scanning tools and remediation.
  • Prior experience leading a technical team of IT professionals.
  • Experience giving technical presentations to technical and non-technical attendees.
  • Provided surge support to other programs as needed.
  • Past experience with VMWare virtualization platform implementation, migration, and maintenance.
  • Prior experience with NetApp storage platform implementation, migration, and maintenance.
  • Demonstrated experience with Nutanix hyperconverged infrastructure implementation, migration, and maintenance.
  • Experience with system design and architecture.
  • Experience with communicating with executive leadership.
  • Ability to travel as needed.
  • Ability to work after hours and weekends as needed.