Returning Candidate?

Sr Systems Administrator

Sr Systems Administrator

Requisition ID 
# of Openings 
Job Location 
Job Function 
Information Technology
Security Clearance Level 
Full/Part Time 
Full Time

More information about this job

Job Description


The Systems Administrator – Senior, supports all Command and Control Mission Systems (C2MS), their associated software, hardware, configurations, and architectures as listed as part of the Specialized Automated Mission Suite (SAMS).


Functional duties include:

  • Install, configure, test and maintain; server-based systems on multiple enclaves, distributed applications, and storage area network devices
  • Monitor items required to ensure functionality of systems in garrison and at deployed locations
  • Accomplish system-wide backups and data recovery to ensure continued operations
  • Perform troubleshooting, fault isolation, root cause analysis, and provide corrective actions with validation of system operability
  • Utilize enterprise tools to apply security patches and updates to include Information Assurance Vulnerability Assessments (IAVA), Time Compliance Network Orders (TCNO) and Time Compliance Technical Orders (TCTO)
  • Document processes, incidents, changes, Authorized Service Interruptions (ASI), and submit reports in response to unscheduled outages
  • Provide data for leadership Courses of Action decision briefings to address issues, projects, identified risks, implementation plans, and roll back plans
  • Perform account lifecycle management to include creation, modification, and deletion of user accounts and system access
  • Maintain baseline configurations and performs approved modifications
  • Document work accomplished in the trouble ticket system, create records in a problem management or knowledge management database, and coordinate priorities with numerous functional areas to ensure timely completion
  • Provide training and guidance to less advanced administrators as appropriate
  • Applicants must have customer service skills which include the ability to meet goals in a timely manner, while being action-oriented, taking ownership, managing their time wisely and working effectively both independently and in a team environment

Knowledge, Skills and Abilities

  • C4/ISR Systems experience is highly desired w/emphasis on TBMCS, TACLAN, GCCS-J, PEX, or other mission systems
  • Windows 2012 Server, Red Hat Enterprise Linux (RHEL), VMware experience required
  • Power Shell, bash, or other scripting experience required
  • Good communication skills with internal team members as well as customers
  • Ability to follow priorities and re-vector based on management decisions and guidance
  • Applicable MCITP, Linux +, or higher required within 6 months
  • Ability to work on multiple projects simultaneously
  • Ability to create and maintain sustainment documentation
  • Creating and updating systems lifecycle documentation, as required
  • Exposure to, or work within a Cloud environment a plus
  • Ability to work non-standard hours during surge operations


Bachelors Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.


DoD 8570 IAT-2 or higher compliant required to start (Sec+ CE or higher)


5-8 years of directly related experience in systems administration and analysis.

The work is performed in an office environment


Must be able to obtain a passport for OCONUS travel, if required

Lift over 35 LBS




As a trusted systems integrator for more than 50 years, General Dynamics Information Technology provides information technology (IT), systems engineering, professional services and simulation and training to customers in the defense, federal civilian government, health, homeland security, intelligence, state and local government and commercial sectors. With approximately 32,000 professionals worldwide, the company delivers IT enterprise solutions, manages large-scale, mission-critical IT programs and provides mission support services. GDIT is an Equal Opportunity/Affirmative Action Employer - Minorities/Females/Protected Veterans/Individuals with Disabilities.

Connect With Us!

Not ready to apply or just want to stay informed on various career opportunities and events at GDIT? Join one of our Talent Communities today!