Jobs and Careers

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

General Dynamics Information Technology

Germantown, United Statesfull_timeVerifiedPosted 17 Jul 2026

💰 $178,250/yr($142,792/yr – $178,250/yr)

About the role

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Automation Tools, Complex Systems, Linux, System Administration, System Designs

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

Yes

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

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 collabor