Linux Systems Engineer

Clearance Level Top Secret/SCI Category IT Infrastructure and Operations Locations Springfield, Virginia St Louis, Missouri (Onsite Workplace) Key Skills For Success Configuration Management (CM) Red Hat Enterprise Linux (RHEL) Scripting REQ#: RQ220691 Public Trust: None Requisition Type: Regular Your Impact 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. Job Description GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can’t turn into opportunity. Our work depends on TS/SCI level cleared Linux Systems Engineer joining our team to support our Intelligence customer in St. Louis, MO or Springfield, VA. This position supports the Geospatial Services & Solutions business area to provide high-quality, cost-effective solutions to the customer. As part of the GSS Team the linux systems engineer expertise is needed to support a sophisticated enterprise environment. The Linux Systems Engineer is an active participant in SAFe and Scrum development teams and meetings. The systems engineer will be responsible for supporting the customer’s enterprise environment. SPECIFIC DUTIES AND RESPONSIBILITIES: Design, implement, and maintain enterprise Linux-based infrastructure in both on-prem and virtualized environments Develop and maintain automation solutions using Ansible and scripting languages (e.g., Bash, Python) Standardize system configuration, patching, and deployment processes through infrastructure-as-code practices Administer and support Red Hat ecosystem tools, including Satellite and Capsule Integrate and manage authentication and authorization mechanisms (e.g., OAuth, SSO, identity providers) Support and optimize virtualized environments, including platforms such as Nutanix Support the development of dashboards using observability solutions using tools such as Grafana and Zabbix Troubleshoot complex system, performance, and integration issues across distributed environments Collaborate with cross-functional teams to improve system reliability, scalability, and operational efficiency Document system architecture, processes, and automation workflows Contribute to continuous improvement initiatives, including automation maturity and operational best practices EDUCATION: Bachelor’s Degree in Computer Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience. QUALIFICATIONS: 5+ years of experience administering and engineering Linux systems in enterprise environments Required Skills: Solid understanding of system administration fundamentals (networking, storage, security, OS internals) Strong expertise in configuration management and automation using Ansible Proficiency in scripting (Bash, Python, or similar) for automation and tooling Experience managing Red Hat-based environments (RHEL, Satellite, Capsule or similar tools) Experience troubleshooting complex infrastructure and performance issues Experience implementing security best practices in Linux environments Experience with virtualization platforms such as Nutanix Experience with monitoring and alerting systems Strong problem-solving skills and ability to work independently Active TS/SCI clearance required and eligibility to obtain a CI poly Desired Experience with load balancing devices such as HAProxy or F5 Familiarity with authentication and authorization concepts (e.g., OAuth, LDAP, SSO) Experience with observability and dashboarding tools such as Grafana and Zabbix Familiarity with containerization technologies (Docker, Kubernetes) Knowledge of CI/CD pipelines and integration with infrastructure automation Strong communication and documentation skills Location: St Louis MO, or Springfield VA US citizenship required 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. #RoverGSS Work Requirements Years of Experience 5 + years of related experience may vary based on technical training, certification(s), or degree Certification Travel Required None Citizenship U.S. Citizenship Required Salary and Benefit Information The likely salary range for this position is $159,800 - $216,200. 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. 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