Linux Systems Administrator SME - TS​/SCI​/w poly

Systems Administrator Linux SME

Grow your impact. Grow your career. At GDIT, you're not just maintaining systems — you're supporting a mission that depends on rock-solid Linux expertise. Join us as a Systems Administrator Linux SME on a long-standing Prime contract supporting a high-visibility, mission-critical environment. You'll work in a fast-paced setting where your decisions matter and your technical leadership is valued.

This is the place where Linux professionals build stability, expand their skills, and chart a long-term career path.

System Administration Install, configure, manage, and maintain Linux systems, including virtualization platforms and cloud computing environments.

Networking Determine network specifications, input/output processes, and working parameters for hardware/software compatibility. Identify, analyze, and resolve network issues.

System Security In coordination with the ISSO, implement security measures, conduct audits, and ensure compliance with customer security policies.

Collaboration Partner with software developers and IT stakeholders to support system integration, patch workflows, and maintenance activities.

Automation Develop and maintain scripts and automation tools that reduce manual effort and increase operational efficiency.

Patch Management Maintain systems with software updates, patches, and upgrades while validating functionality and compatibility.

Documentation Create and update system documentation including configurations, processes, and procedures.

Bring your Linux expertise and passion for innovation to an environment where your skills are both trusted and expanded.

• Bachelor's degree in a technical field

• 10+ years of related experience

• SME-level proficiency with Linux operating systems

• Active TS/SCI with polygraph

• US citizenship

• Demonstrated experience with virtual machines, Thin Clients, switches, and networking responsibilities

• Strong hands-on experience with AWS

• Career Stability:
Support a long-term Prime contract with continued mission funding and organizational investment.

• Growth Opportunities:
Work alongside top engineers, gain exposure to cloud environments, automation, new toolsets, and mission technologies.

• Impactful Work:
Your Linux expertise directly enables critical national-level operations.

• Technical Leadership:
As an SME, your insights shape system architecture, integration, and modernization.

• A Culture of Support: GDIT invests in training, certifications, and professional development to help you build your next career milestone.

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 Flexibility:
Full-flex work week to own your priorities at work and at home 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.

The likely salary range for this position is $170,000 - $230,000. 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 ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans