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Linux​/Lab Systems Administrator; TS​/SCI​/w Poly

Job in Salisbury, Wicomico County, Maryland, 21801, USA
Listing for: General Dynamics Information Technology
Full Time position
Listed on 2026-06-23
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, IT Support
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Linux/Lab Systems Administrator (TS/SCI /w Poly required)

Systems Administrator SME

Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator SME and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

Meaningful Work and Personal Impact

As a Systems Administrator SME, the work you’ll do at GDIT will be impactful to the mission.

  • Responsible for the administration, maintenance and support of the organization’s IT systems and infrastructure including managing servers, ensuring system availability and implementing solutions to improve system performance and security.
  • Oversees the installation, configuration and maintenance of servers including physical and virtual environments.
  • Collaborates with stakeholders to understand business needs and requirements and provide appropriate solutions.
  • Manages the Active Directory, and other core IT services.
  • Monitors systems performance and troubleshoots moderate to complex issues to ensure high availability and reliability.
  • Performs maintenance such as patch management, updates and backups.
  • Plans and executes systems upgrades and hardware/software installations.
  • Ensures systems are updated with latest security patches and software updates.
  • Implements and maintains security measures to protect systems from unauthorized access and vulnerabilities.
  • Conducts security audits and assessments to ensure compliance with organization policies and regulatory requirements.
  • Develops, manages and tests backup and recovery procedures to ensure data integrity and availability.
  • Develops and maintains disaster recovery plans for critical systems and services.
  • Participates in disaster recover drills and business continuity planning.
  • Provides support to end users and other IT staff by resolving complex hardware, software and system related issues.
  • Maintains detailed documentation of system configurations, procedures and changes.
  • Creates reports on system performance, security incidents and other key metrics.
  • Coordinates with other IT teams to ensure coordinated delivery of IT services.
  • Provides recommendations for system improvements based on analysis and industry best practices.
  • May assist in the development of IT policies and procedures.
  • May coach and provide guidance to less-experienced professionals.
  • May serve as a team lead.
What You’ll Need to Succeed
  • Education:

    Technical Training, Certification(s) or Degree
  • Experience:

    10+ years of related experience
  • Security clearance level:
    Active TS/SCI w/ Polygraph required
Required Proficiency:
  • Linux (RHEL, Rocky, Ubuntu), Windows Active Directory, LDAP
  • VMWare, management of virtual machines and hypervisors
  • Must qualify for CWQMP (formerly CWIP) Basic Proficiency Level
Additional Desired Experience and Tool familiarity:
  • Gitlab administration, automated build/runners
  • Netbackup
  • Implementation and enforcement of security policies, and integration with enterprise security monitor systems and log collections
  • Ansible
GDIT Is Your Place

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

  • Growth: AI-powered career tool that identifies career steps and learning opportunities
  • Support:
    An internal mobility team focused on helping you achieve your career goals
  • Rewards:
    Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
  • Community:
    Award-winning culture of innovation and a military-friendly workplace
Own Your Opportunity

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

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