Demo

System Administrator

Gromelski & Associates, Inc.
Manassas, VA Full Time
POSTED ON 1/13/2026
AVAILABLE BEFORE 2/11/2026
System Administrator

Gromelski and Associates, Inc. (GAI) partners with prime contractors to provide professional services. Key service areas include Engineering Design and Documentation; Software Development and Testing; System Integration, Testing and Evaluation; Lab Management and Field Installation; Integrated Logistics Support, Training Development and Delivery, Multimedia Support, and Technical System Support.

System Administrator Job Description:

  • Performs tasks as Red Hat Linux Systems Engineer and Administrator, develops kernels and other advanced solutions for leading edge technology.
  • Provide system administration support for system and network design, development, and integration.
  • Maintains lab equipment readiness and operation for multi-user computer systems and coordinates with engineers and network administrators.
  • Sets up administrator and service account, maintains system documentation, tunes system performance.
  • Installs system wide hardware and software and allocates mass storage space.
  • Develops and monitors policies and standards for allocation related to the use of computing resources.

System Administrator Required Tasks:

  • Performs duties as System Administrator on systems using Linux, Windows, and other operating systems as needed.
  • Maximizes network performance; troubleshoots and corrects network problems; schedules upgrades; collaborates with network architects on network design.
  • Provides troubleshooting and assistance in the administration of desktop applications.
  • Establishes and enforces system access and administration policies.
  • Performs daily, weekly, and monthly health checks on servers, switches, and other equipment. Maintaining system configuration, managing installs, integrating fixes, updates, and enhancements.
  • Performing upgrades, patches, and working with new applications and equipment.
  • Implementing information security and information assurance policies, principles, and practices.
  • Managing accounts, user rights, and access to systems and equipment.
  • Managing systems resources for performance, capacity, availability, serviceability, and recoverability.
  • Implementing security procedures and tools.
  • Communicating with internal and external organizations/teams to ensure the meeting and maintaining of security and performance requirements.
  • Developing and documenting system administration standard operating procedures.

System Administrator Additional Requirements:

  • Bachelor’s degree in related discipline or equivalent experience and one to five years’ professional experience.
  • Must be able to obtain and keep a DoD Secret Clearance which means you must be a U.S. Citizen.
  • Must be a Red Hat® Certified Engineer (RHCE®) and Red Hat Certified System Administrator (RHCSA) currently performing daily tasks in the role.
  • Willingness to work overtime and off shift when dictated to support business needs.

Job Location: Manassas, VA (Relocation Assistance Available)

Benefits: We offer a competitive benefit package.

Click here for more information.

Job: Full-Time Employee, 40 hours/week.

Start Date: Negotiable

Rate: Negotiable

Gromelski and Associates is an equal opportunity employer and does not discriminate in employment on the basis of race, color, religion, sex, pregnancy, national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service or other non-merit factor.

If you have reached our website in search of an employment opportunity or to apply for a position, and you require an accommodation, please contact Sarah Gromelski via email at

Salary.com Estimation for System Administrator in Manassas, VA
$85,104 to $110,114
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