Sr Principal Systems Engineer - LINUX - Active Top Secret Required - Washington DC

Company: General Dynamics Information Technology
Location: Washington, DC
Posted On: 05/08/2025

Sr Principal Systems Engineer - LINUX - Active Top Secret Required Locations: USA DC Washington Time Type: Full time Posted on: Posted 3 Days Ago Job Requisition ID: RQ182176 Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Suitability: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 15 + years of related experience US Citizenship Required: Yes Job Description: Senior Principal Systems Engineer - Linux Design, deploy, integrate and maintain Linux technologies to advance the mission as a SENIOR PRINCIPAL SYSTEMS ENGINEER with GDIT. Your work in the integration of Linux resources into a primary Windows Infrastructure across multiple classification levels will help our clients overcome evolving demands and missions. HOW A SENIOR PRINCIPAL SYSTEMS ENGINEER WILL MAKE AN IMPACT:

• Integrate Linux Systems (currently, RHEL 7/8 and Ubuntu systems) into a primary Windows environment (workstations & servers) where authentication, authorization, and accounting activities are controlled by Active Directory with PKI certificates and Single Sign On.
• Configure new Linux systems for customer use and ensure that initial configurations meet required enterprise baselines & controls.
• Integrate Linux systems with other enterprise tooling (e.g., ACAS, Splunk, SolarWinds, Backup systems).
• Ensure patches are maintained across a diverse Linux environment in a heavily automated manner, where possible.
• Ensure that already-provisioned Linux systems are kept in compliance with baseline requirements & ever-changing enterprise policy.
• Develop an operating system lifecycle plan with integration of DoD STIGs and other recommended security standards.
• Monitor all solutions integrated via a centralized alerting system.
• Certify log management and forwarding to a single repository. WHAT YOU'LL NEED TO SUCCEED:
  • Education: BS in Computer Engineering, Computer Science or related technology field. Experience may be substituted for education.
  • Required Experience: Minimum 17 years of relevant experience supporting complex projects.
  • Required Technical Experience: VMWare management/administration experience. Relevant experience can be substituted for education. Thorough experience preferably with Red Hat Enterprise Linux (RHEL), Ubuntu or a derivative.
  • Security Clearance Level: Active Top Secret with SCI eligibility and a T5 or T5R within the last 5 years.
  • Required Skills and Abilities: Highly motivated, self-starter; ability to work alone.
  • Location: Washington, District of Columbia; limited telework may be available. GDIT IS YOUR PLACE:
    • 401K with company match
    • Comprehensive health and wellness packages
    • Professional growth opportunities including paid education and certifications
    • Cutting-edge technology you can learn from
    • Rest and recharge with paid vacation and holidays The likely salary range for this position is $154,960 - $195,500. 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. Scheduled Weekly Hours: 40 Travel Required: Less than 10% Telecommuting Options: Hybrid Work Location: USA DC Washington Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, 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.
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