Senior Systems Administrator (Lead)

Responsibilities

• Leading and managing a team of IT Support Technicians, providing technical direction and performance oversight for OMC system users.
• Creating and managing work schedules, tracking daily attendance, and developing initiatives to improve OMC Service Center operations.
• Developing performance measurements utilizing the service desk platform and providing feedback to team members on customer service and technical skills.
• Implementing and maintaining an enterprise knowledge base leveraging knowledge management best practices.
• Assessing staff performance, conducting reviews, and facilitating professional and technical development opportunities for the team.
• Utilizing ITIL best practices to enhance and optimize services provided to OMC end users.
• Leading O&M support for NIPRNET, SIPRNET, and JWICS system infrastructure supporting approximately 400 users.
• Leading O&M support for Special Access System (SAP) domain, storage, SQL database, workstation, and printer infrastructure supporting approximately 150 users.
• Administering and maintaining the Microsoft Active Directory environment, ensuring stability, security, and performance.
• Managing Group Policy Objects (GPOs) to enforce security policies and configurations.
• Leading ISSO ATO tasks including DISA STIG implementation, RMF security scan responses, and ATO remediation with DISA and DIA.
• Leading data backup and restoration capabilities for NIPR, SIPR, JWICS, and Special Access Systems.
• Leading replication of network file share volumes via DFS-R between NCR and NSGB locations.
• Congducting planning, implementation, validation, and verification of all server system upgrades, patches, and STIGs to meet ATO requirements.
• Coordinating with OMC IT leadership and JSP to resolve complex infrastructure incidents and implement approved changes.

Qualifications

• Active TS/SCI security clearance at time of award.
• Demonstrated ability to lead and direct the work of IT Support Technicians and systems administrators; customarily and regularly directing the work of two or more employees in a TS/SCI classified IT environment.
• Expert-level knowledge of enterprise systems administration including Microsoft Active Directory, GPOs, VMware virtualization, DISA STIGs, RMF, and multi-classification NIPR/SIPR/JWICS/SAP infrastructure.
• Strong customer service orientation with demonstrated experience in mission-critical or classified IT support environments.
• Prior experience supporting a DoD or J6 or OMC customer environment is strongly preferred.
• Required Education: Master’s Degree in IT, Computer Science, or related field; or equivalent combination of vendor certification (including vendor certification in the technology being applied) and directly relevant professional experience accepted in lieu of degree.
• Required Experience: 15 or more years of progressively responsible professional experience in enterprise systems administration, team leadership, and multi-classification network operations.
• Required Certifications: ITIL v4 Foundations, CompTIA Security+, VMware Certified Professional (VCP) – relevant track (e.g., VCP-DCV, VCP-VCF), Microsoft Certification (one required): Microsoft Certified: Windows Server Hybrid Administrator Associate (AZ-800/801) Microsoft Certified: Azure Administrator Associate Equivalent Microsoft role-based certification aligned to server, infrastructure, or identity management.