Linux Systems Engineering

Linux Systems Engineer
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 a 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.

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

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