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

General Dynamics Information Technology; Washington (District of Columbia); On-site; USD 140,000 - 170,000; Full time

Benefits offered by this job

Competitive pay

Health benefits

401(k) company match

Generous paid time off

Job summary

General Dynamics Information Technology (GDIT) seeks an experienced Sr. Linux Systems Engineer to support federal government IT operations.

You will administer, optimize, and secure Linux-based infrastructure to ensure high availability, scalability, and reliability across enterprise environments. Responsibilities include system administration, performance optimization, security, automation, patch management, and collaboration with application teams.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or related field.
• 8-10+ years of hands-on Linux systems administration across enterprise environments.
• Deep proficiency in Linux distributions (Red Hat, CentOS, Ubuntu).
• Experience with scripting (Bash, Python, Perl) and CLI.
• Experience with configuration management tools (Ansible, Puppet, Chef).
• Familiarity with virtualization (VMware, KVM, Hyper‑V) and cloud platforms (AWS, Azure).
• Networking knowledge (TCP/IP, DNS, DHCP, NFS, firewalls).
• Certifications: RHCE, LPIC-2/LPIC-3 or equivalent.

Responsibilities

• Install, configure, manage, and maintain Linux systems and related infrastructure.
• Monitor performance, perform capacity analysis, and address bottlenecks.
• Implement security measures and ensure compliance with security requirements.
• Troubleshoot issues to minimize downtime and resolve complex problems.
• Develop and maintain automation scripts and tools to streamline tasks.
• Perform software updates, patches, and upgrades with testing.
• Create and update system documentation of configurations and processes.
• Collaborate with application teams for system integration and maintenance.
• Drive scalability and efficiency of infrastructure.

Skills

Linux proficiency

Scripting languages

Networking knowledge

Education

Bachelor's degree in IT / CS

Certifications: RHCE / LPIC-2/LPIC-3

Tools

Ansible

Puppet

Chef

VMware

KVM

Hyper-V

AWS

Azure

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.

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.

Key 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.

Minimum Qualifications:

• Education:Bachelor’s degree in Information Technology, Computer Science, or a related field.
• Experience:8-10+ years of hands‑on Linux systems administration experience across enterprise environments.
• Technical Competencies:
  • 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).

Preferred Qualifications:

• Certifications:
  • 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).

Onsite Work Location:Onsite in Germantown, MD, Washington, DC, or Albuquerque, NM

Security Clearance:DOE Q or TS Clearance is required.

Citizenship:US Citizenship required.

Why Join GDIT?

At GDIT, your skills and experience will play an integral role in advancing mission‑critical operations.

• 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.

Be Part of Something Bigger

Join GDIT to combine your Linux expertise with opportunities to make a meaningful impact on critical IT operations.

#WeAreGDIT #NNSAITOPS