Senior Systems Administrator

General information Requisition # R67800 Locations USA-GA-Augusta Posting Date 05/15/2026 Security Clearance Required TS/SCI Remote Type Onsite Time Type Full time Description & Requirements Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH! MANTECH seeks a motivated, career and customer-oriented Senior Systems Administrator to join our team in Augusta, GA This is an onsite position. Responsibilities include but are not limited to: Apply system's administration principles throughout the system's lifecycle phases: production, utilization and support. Identifies and articulates major uncertainties associated with systems configurations, defining risks and opportunities associated with uncertainties. Supports requirements management, interface management, and architecture change management processes. Translate analysis results into actionable recommendations for Government agencies; develop workflows and activity diagrams based on concept of operations. Builds and executes requirements traceability; supports development of implementable strategies to address sponsor challenges with adoption of MBSE and associated tools. Provide hardware and applications support for the cloud application and system. Provide hardware support for the cloud application and system.

Minimum Qualifications:

Bachelor's Degree and 4 years of related experience in systems engineering or related technical discipline Experience with infrastructure automation, specifically creating links between information inputs, controllers, and outputs Experience with use case development, requirements derivation, and drafting technical project documentation Experience with DevOps integration practices across development and IT environments

Preferred Qualifications:

Proficiency is system administration to include applying application updates, upgrades and resolving system anomalies. Demonstrate ability to maintain system artifacts, including System Engineering Plans (SEPs) and Interface Control Documents (ICDs).

Lifecycle Management Expertise:

Familiarity with the integration of Enterprise and Agreement process areas as defined by

ISO/IEC 15288

to ensure total system quality.

Clearance Requirements:

Must have a current/active

DoD TS/SCI Physical Requirements:

The person in this position must be able to remain in a stationary position 50% of the time. Occasionally, you may need to move about inside the office to access file cabinets, office machinery, or communicate with co-workers, management, and customers, which may involve delivering presentations. MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.