Senior Systems Administrator

ManTech; Augusta (AR); On-site; USD 90,000 - 130,000; Full time

Job summary

ManTech is seeking a Senior Systems Administrator to join our Augusta, GA team onsite. You will oversee system administration across production, utilization and support, with emphasis on automation and reliability to enable defense missions.

This role requires DoD TS/SCI clearance, a strong background in DevOps practices, requirements management and MBSE concepts, and the ability to translate complex analyses into actionable solutions for government sponsorships.

Qualifications

• Bachelor’s Degree and 4 years of related experience in systems engineering or related technical discipline.
• Experience with infrastructure automation linking 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.

Responsibilities

• Apply system’s administration principles across the system’s lifecycle stages: 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.

Skills

Infrastructure automation

DevOps integration

System administration

Use case development

Requirements derivation

Education

Bachelor's degree in Systems Engineering or related technical discipline

Job description

General information

• Requisition # R69987
• Locations USA-GA-Augusta
• Posting Date 08/13/2026
• 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 stages: 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.