Sr. Linux Systems Engineer (TS/Q Clearance Required)

General Dynamics Information Technology; Germantown (MD); On-site; USD 142,792 - 178,250; Full time

Benefits offered by this job

Health and wellness packages

401(k) company match

Generous paid time off

Job summary

General Dynamics Information Technology is seeking a Sr. Linux Systems Engineer in Germantown, MD to support critical IT operations for federal government projects. This role involves administering and securing Linux systems, driving operational efficiencies, and collaborating with cross-functional teams.

Key qualifications include a Bachelor's in IT or Computer Science and 12+ years of Linux administration experience. The position offers competitive pay, health benefits, and requires security clearance.

Qualifications

• 12+ years of hands-on Linux systems administration experience across enterprise environments.
• Deep proficiency in Linux operating systems such as RedHat, CentOS, or Ubuntu.
• Expertise in command-line interfaces and scripting languages.

Responsibilities

• Install, configure, manage, and maintain Linux systems.
• Monitor system performance and conduct capacity analysis.
• Implement security measures and conduct audits.

Skills

Linux administration

Scripting languages (Bash, Python, Perl)

Configuration management (Ansible, Puppet, Chef)

Networking knowledge (TCP/IP, DNS, DHCP, NFS, firewalls)

Virtualization (VMware, KVM, Hyper-V)

Cloud platforms (AWS, Azure)

Education

Bachelor’s degree in Information Technology, Computer Science, or related field

Tools

Linux operating systems (RedHat, CentOS, Ubuntu)

Containerization tools (Docker, Kubernetes)

Job description

GDIT is seeking an experienced Sr. Linux Systems Engineer 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. You will implement solutions, diagnose challenges, and drive operational efficiencies across complex environments while collaborating with cross‑functional teams.

Key Responsibilities

• Install, configure, manage, and maintain Linux systems, including servers, virtualization platforms, and cloud computing environments.
• Monitor system performance, conduct capacity analysis, and address bottlenecks to ensure system efficiency and availability.
• Implement security measures, conduct audits, and ensure compliance with organizational and federal security requirements.
• Use advanced diagnostics and troubleshooting skills to resolve system issues, ensuring minimal downtime.
• Develop and maintain scripts and automation tools to streamline repetitive tasks and improve operational productivity.
• Perform software updates, patches, and upgrades while testing functionality and compatibility.
• Create and update system documentation to include configurations, processes, and procedures.
• Partner with application teams and other IT stakeholders to support system‑level integration, patch workflows, and maintenance activities.
• Drive innovation to scale infrastructure capabilities while enhancing system operability.

Minimum Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or a related field.
• 12+ years of hands‑on Linux systems administration experience across enterprise environments.
• Deep proficiency in Linux operating systems such as RedHat, 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 such as AWS or Azure.
• Networking knowledge (e.g., TCP/IP, DNS, DHCP, NFS, and firewalls).

Preferred Qualifications

• Certifications: RedHat 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).

Benefits and Compensation

• Salary range: $142,792 – $178,250 (based on experience, geographic location, and contractual requirements).
• Competitive pay, health and wellness packages, 401(k) company match, and generous paid time off.
• Onsite work locations: Germantown, MD or Washington, DC.
• Security clearance: DOE Q or TS clearance required.
• US citizenship required.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity.