Jobs and Careers
AM

Systems Administrator III

Amentum
United Statesfull_timeVerifiedPosted 22 Apr 2026

About the role

Without supervision, installs, configures, and troubleshoots computer systems and associated assemblies and provides help desk technical assistance and training to system users.

Essential Responsibilities:  

  • Supports configuration, maintenance, troubleshooting, repair, and analysis of data processing equipment.
  • Prioritizes work center organization, equipment, and processes based on performance requirements and mission needs.
  • Performs advanced configuration, monitoring, troubleshooting, analysis and repair of Desktop and Server systems, Disaster Recovery Systems switches, networks, video systems.
  • Participates in the design, installation and administration of local systems using multiple protocols and various computer systems.
  • Writes detailed/technical problem reports, assists with root cause analysis and recommendations for configuration and process changes.
  • Installs, upgrades, and administers operating systems and application software in multi-userclient/server environments, using authorized software.
  • Uses IT service management system and ensures Information Assurance requirements are met.
  • Provides Client System Administrator (CSA) duties for specific mission systems that require specialized support.
  • Maintain cross platform inter-connectivity for network services, authentication services, E-mail services and Web services.
  • Supports configuration, maintenance, troubleshooting, repair and analysis of data processing equipment.
  • Maintains advanced knowledge of operations procedures and supporting documentation and leads their development.
  • Schedules and implements software and firmware/hardware updates.
  • Ensures technical support is available for system administrators and maintainers in execution of administration and maintenance tasks.
  • Provides technical support to systems upgrades and configuration changes.
  • Performs help desk, system administration.
  • Ensures Information Assurance requirements are met.
  • Leads training and mentoring programs and practices of subordinate personnel.
  • Perform general housekeeping duties in support of a safe working environment.
  • Perform other related duties and tasks, as directed.

Minimum Requirements:

  • Must have an active Top Secret/SCI US Government Clearance. Note: US Citizenship is required to obtain a Top Secret Clearance.
  • Must be able to obtain and maintain TS/SCI SAP/SAR Security Clearance, as required.
  • Associate degree in a technical discipline or equivalent academic, military or technical training and 3 years of directly related experience or equivalent combination technical and military experience.
  • Possess advanced system administration skills, knowledge, and technical competence in the management of workstations, information systems, networks to include both hardware and software.
  • Must possess excellent oral, written, and graphical communication skills.
  • Must be self-directed and able to establish and meet project guidelines/timelines.
  • Possess a general understanding and use of Microsoft Office Professional suite of software.
  • (Word, Access, Excel, PowerPoint, etc.).
  • Possess and maintain a DoD 8570.01-M IA Certification matched to assigned duties.
  • Must possess and maintain a valid state issued driver’s license.

Preferred Requirements:

  • Bachelor’s degree in information technology or related field.

Work Environment, Physical Demands, and Mental Demands:

Typical office environment with no unusual hazards, occasional lifting to 20 pounds, kneeling, standing, and walking, routinely sitting and constant use of speech/hearing abilities for communication, constant mental alertness, and must be able to work under deadlines.

       

Compensation Details:

$44.47

       

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

 

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance

 

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Amentum

View company profile →