Systems Administrator 3

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Bash (Scripting Language), COTS Implementations, Linux Command, Python (Programming Language)

Certifications:

None

Experience:

15 + years of related experience

US Citizenship Required:

Yes

Job Description:

SYSTEMS ADMINISTRATOR

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

MEANINGFUL WORK AND PERSONAL IMPACT
The System Administrator shall be responsible for providing support for a large-scale Linux system including installation of COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution for all the compute, network, memory, and storage system components. In addition, the System Administrator shall maintain the system’s security posture, along with implementing operating systems enhancements to improve reliability and performance.

WHAT YOU’LL NEED TO SUCCEED
Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator must have:
● Education: Technical Training, Certification(s) or Degree
● Experience: 15+ years of related experience

● Security clearance required: TS/SCI w/ Polygraph

● Technical skills:

    Experience using the Linux CLI
    Experience developing scripts using Bash/Python
    Experience performing System Administration including installation, configuration, and support of COTS/GOTS/FOSS software in a large-scale Linux cluster environment
    General technical knowledge regarding compute, network, memory, and storage system components
    Experience with Red Hat Satellite systems management solution
    Familiarity using Splunk for ingesting, indexing, searching, monitoring, and analyzing big data
    Experience with the sustainment and support of large Linux clusters including day-to-day operations, monitoring and problem resolution 
    Experience with distributed files systems such as Weka, CEPH, GPFS, and HDFS
    Experience configuring and sustaining VMware ESXi/Virtualization environments
    Experience with IaC (Infrastructure as Code) principles and automation tools such as SaltStack and Ansible 
    Experience with corporate STE/STN security compliance policies and procedures
    Experience using system monitoring tools such as HPE One View and Nagios 
    Experience with containerization technologies such as Docker
● Position Desired Skills:

    Experience with container orchestration technologies such as Kubernetes
    Experience with the Atlassian Suite of Tools such as Jira and Confluence 

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.

#IntelligenceEngineered

#MD_2026Alumni

The likely salary range for this position is $202,300 - $273,700. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA MD Annapolis Junction

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the