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

General Dynamics Information Technology•Germantown, MD

2d•$142,792 - $189,750•Onsite

About The Position

GDIT is seeking an experienced Senior Linux Systems Engineer to support critical IT operations for federal government projects. The role administers, optimizes, and secures Linux systems and technical infrastructure to ensure high availability, scalability, and reliability. The engineer implements solutions, diagnoses challenges, and improves operational efficiency across complex environments while collaborating with cross-functional teams. The position is onsite in Germantown, Maryland; Washington, DC; or Albuquerque, New Mexico. It requires U.S. citizenship and a DOE Q or TS clearance. The schedule is 40 hours per week, with less than 10% travel required. The stated likely salary range is $142,792–$189,750, with actual compensation dependent on experience, location, and possible contractual requirements. GDIT describes career development support through AI-powered tools and internal mobility programs, access to advanced technologies, and a collaborative environment. Benefits for U.S.-based employees include medical, dental, and vision plan options; a 401(k) with company match; paid time off and holidays; paid parental leave; and disability, life, and other insurance offerings.

Requirements

Bachelor’s degree in Information Technology, Computer Science, or a related field.
8–10+ years of hands-on Linux systems administration experience across enterprise environments; the posting also lists 8+ years of related experience.
Deep proficiency with Linux operating systems such as Red Hat, CentOS, or Ubuntu.
Expertise with command-line interfaces and scripting languages such as Bash, Python, or Perl.
Experience with configuration management tools such as Ansible, Puppet, or Chef.
Familiarity with virtualization technologies such as VMware, KVM, or Hyper-V and cloud platforms such as AWS or Azure.
Networking knowledge, including TCP/IP, DNS, DHCP, NFS, and firewalls.
U.S. citizenship.
DOE Q or TS clearance is required.
Ability to work onsite at one of the listed locations; travel is less than 10%.

Nice To Haves

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

Responsibilities

Install, configure, manage, and maintain Linux systems, including servers, virtualization platforms, and cloud computing environments.
Monitor system performance, conduct capacity analysis, and resolve bottlenecks to support system efficiency and availability.
Implement security measures, conduct audits, and ensure compliance with organizational and federal security requirements.
Use advanced diagnostic and troubleshooting skills to resolve system issues and minimize downtime.
Develop and maintain scripts and automation tools to streamline repetitive tasks and improve operational productivity.
Perform software updates, patches, and upgrades, and test functionality and compatibility.
Create and update documentation covering system configurations, processes, and procedures.
Collaborate with application teams and other IT stakeholders on system integration, patch workflows, and maintenance activities.
Improve infrastructure scalability and system operability.