Systems Administrator Senior

SYSTEMS ADMINISTRATOR SME – LINUX

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.