Praxis Engineering, a GDIT company, provides cutting-edge technology capabilities and unmatched expertise to deliver mission-critical solutions that drive impact and support customer needs.
Linux
System Improvements
System Performance
Virtual Machines (VM)
Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.
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.
KEY RESPONSIBILITIESSystem 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
WHY LINUX SMEs CHOOSE GDIT• 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.
10 + years of related experience
* may vary based on technical training, certification(s), or degree
None
U.S. Citizenship Required
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.
View information about benefits and our total rewards program.
We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans