Sr. Linux Systems Engineer

General Dynamics Information Technology • Germantown, MD

2d • $129,813 - $172,500 • Onsite

About The Position

GDIT is seeking an experienced Linux Systems Administrator to support critical IT operations for federal government projects. In this key role, you will leverage your strong Linux expertise to administer, optimize, and secure systems that ensure high availability, scalability, and reliability of technical infrastructure. As a part of GDIT's mission-driven team, you will implement solutions, diagnose challenges, and drive operational efficiencies across complex environments while collaborating with cross-functional teams.

Requirements

• 12+ years of hands-on Linux systems administration experience across enterprise environments.
• Deep proficiency in Linux operating systems such as Red Hat, CentOS, or Ubuntu.
• Expertise in command-line interfaces and scripting languages (e.g., Bash, Python, or Perl).
• Experience with configuration management tools (e.g., Ansible, Puppet, Chef).
• Familiarity with virtualization technologies like VMware, KVM, or Hyper-V and cloud platforms like AWS or Azure.
• Networking knowledge (e.g., TCP/IP, DNS, DHCP, NFS, and firewalls).
• US Citizenship required.

Nice To Haves

• Red Hat Certified Engineer (RHCE), Linux Professional Institute Certifications (LPIC-2/LPIC-3), or equivalent.
• Hands-on experience with containerization tools (e.g., Docker, Kubernetes).
• Familiarity with security and compliance frameworks (DISA STIGs, NIST, CIS benchmarks).

Responsibilities

• System Administration: Install, configure, manage, and maintain Linux systems, including servers, virtualization platforms, and cloud computing environments.
• Performance Optimization: Monitor system performance, conduct capacity analysis, and address bottlenecks to ensure system efficiency and availability.
• System Security: Implement security measures, conduct audits, and ensure compliance with organizational and federal security requirements.
• Troubleshooting & Problem Resolution: Use advanced diagnostics and troubleshooting skills to resolve system issues, ensuring minimal downtime.
• Automation: Develop and maintain scripts and automation tools to streamline repetitive tasks and improve operational productivity.
• Patch Management: Maintain systems by performing software updates, patches, and upgrades while testing functionality and compatibility.
• Infrastructure Documentation: Create and update system documentation to include configurations, processes, and procedures.
• Collaboration: Partner with application teams and other IT stakeholders to support system-level integration, patch workflows, and maintenance activities.
• Scalability & Efficiency: Drive innovation to scale infrastructure capabilities while enhancing system operability.

Benefits

• Career Growth: AI-powered tools and internal mobility programs to support your professional development.
• Comprehensive Benefits: Competitive pay, health and wellness packages, 401(k) company match, and generous paid time off.
• Workplace Innovation: Access to cutting-edge technologies and a culture focused on advancement, teamwork, and innovation.
• Community Impact: Participate in a diverse and collaborative environment recognized for driving excellence.
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level