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

General Dynamics Information Technology, Inc.; Washington (District of Columbia); On-site; USD 143,000 - 190,000; Full time

Job summary

General Dynamics Information Technology, Inc. is seeking a Sr. Linux Systems Engineer to support critical IT operations for federal government projects.

You will administer, optimize, and secure Linux systems to ensure high availability and reliability across complex environments. Responsibilities include installation, configuration, performance optimization, security audits, automation, patch management, and documentation.

Qualifications

• 8–10+ 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 (Bash, Python, or Perl).
• Experience with configuration management tools (Ansible, Puppet, Chef).
• Familiarity with virtualization technologies like VMware, KVM, or Hyper-V and cloud platforms like AWS or Azure.
• Networking knowledge (TCP/IP, DNS, DHCP, NFS, firewalls).

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.

Skills

Linux admin

Bash scripting

Python

Perl

Ansible

Puppet

Chef

VMware

KVM

Hyper-V

AWS

Azure

TCP/IP

DNS

DHCP

NFS

Firewalls

Education

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

Tools

Docker

Kubernetes

Job description

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

The likely salary range for this position is $142,792 - $189,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Total Rewards at GDIT

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. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at https://gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans