Linux Systems Engineer

General Dynamics Information Technology•St. Louis, MO

3d•$159,800 - $216,200•Onsite

About The Position

GDIT is seeking a highly skilled and motivated Linux Systems Engineer to join our team supporting an Intelligence customer. This role is crucial for maintaining and enhancing a sophisticated enterprise environment, with a focus on automation, infrastructure-as-code, and system reliability. The Linux Systems Engineer will be an active participant in SAFe and Scrum development teams, contributing to the design, implementation, and maintenance of enterprise Linux-based infrastructure in both on-prem and virtualized environments.

Requirements

5+ years of experience administering and engineering Linux systems in enterprise environments
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
US citizenship required

Nice To Haves

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

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

Benefits

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
Variety of medical plan options, some with Health Savings Accounts
Dental plan options
Vision plan
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
Full flex work weeks where possible
Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
Short and long-term disability benefits
Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance