Linux Systems Administrator SME - Active TS/SCI /w poly (Up to a 30k sign on bonus available)

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 Skills Job Qualifications Linux, System Improvements, System Performance, Virtual Machines (VM) Certifications None Experience 10 + years of related experience US Citizenship Required Yes Job Description

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 Responsibilities 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. What You’ll Need To Succeed 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 Desired Skills 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. 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. Our Identity Verification Process As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes. About Our Work We are GDIT. A global technology and professional services company that delivers technology solutions 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 50+ countries worldwide, offering leading mission‑ready capabilities in AI, cloud, cyber and software development. 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 #J-18808-Ljbffr Praxis Engineering