Linux/Lab Systems Administrator (TS/SCI /w Poly required
Listed on 2026-08-03
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IT/Tech
Systems Administrator, Cybersecurity
Type Of Requisition
Regular
Clearance Level Must Currently PossessTop Secret SCI + Polygraph
Clearance Level Must Be Able To ObtainTop Secret SCI + Polygraph
Public Trust/Other RequiredNone
Job FamilyIT Infrastructure and Operations
Job QualificationsBackup and Recovery, Linux, Red Hat Ansible
CertificationsNone
Experience10 + years of related experience
US Citizenship RequiredYes
Job DescriptionSYSTEMS 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.
Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator SME must have:
- Education:
Technical Training, Certification(s) or Degree - Experience:
10+ years of related experience - Security clearance level:
Active TS/SCI w/ Polygraph required
- Linux (RHEL, Rocky, Ubuntu), Windows Active Directory, LDAP
- VMWare, management of virtual machines and hypervisors
- Must qualify for CWQMP (formerly CWIP) Basic Proficiency Level
- Gitlab administration, automated build/runners
- Netbackup
- Implementation and enforcement of security policies, and integration with enterprise security monitor systems and log collections
- Ansible
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
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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#Intelligence Engineered
The likely salary range for this position is $152,915 - $206,885.…
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