Sr. Principal Systems Engineer – Linux

Washington DC (hybrid), Permanent Placement

Design, deploy, integrate and maintain Linux technologies to advance the mission as a SENIOR PRINCIPAL SYSTEMS ENGINEER FOR LINUX with our Client. Your work in the integration of Linux resources into a primary Windows Infrastructure across all domains will help overcome evolving demands and missions. Own the opportunity to accelerate digital modernization for our clients as you accelerate your career. As a Senior Principal Systems Engineer for Linux, you will help ensure today is safe and tomorrow is smarter. Our Client’s work depends on a Senior Principal Systems Engineer for Linux joining the team to bring professionalism and initiative to a fast-paced environment that offers extensive options for training, certification, and career advancement.


  • Enterprise Authorization: Integrate Linux Systems (currently, RHEL 7/8 and Ubuntu systems) into a primary Windows environment (workstations & servers) where authentication, authorization, and accounting actives are controlled by Active Directory with PKI certificates and Single Sign On
  • Enterprise Provisioning: Configure new Linux systems for customer use and ensuring that initial configurations meet required enterprise baselines & controls (e.g., proper agents installed, proper configs, etc.)
  • Integrate Linux systems with other enterprise tooling (e.g., ACAS, Splunk, SolarWinds, Backup systems, etc.)
  • Ensure patches are maintained across a diverse Linux environment (e.g., Ubuntu, RHEL7/8, CentOS, etc.) in a heavily automated manner, where possible
  • Ensure that already-provisioned Linux systems are kept in compliance with baseline requirements & ever-changing enterprise policy (e.g., equivalent to Group Policy in the Windows realm for ongoing compliance updates)
  • 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 (Solarwinds)
  • Certify log management and forwarding to a single repository (Splunk)


  • TS/SCI Clearance
  • BS in Computer Engineering, Computer Science or related technology field. Experience may be substituted for education. 
  • Candidate will be required to acquire DoD Instruction 8570 Level II Certification within 6 months of assignment
  • Minimum 15 years of relevant experience supporting complex projects
  • VMWare management/ administration experience
  • Relevant experience can be substituted for education
  • Thorough experience preferably with Red Hat Enterprise Linux (RHEL), Ubuntu or a derivative
  • Certifications: CompTIA – Security+ CE – CompTIA
  • Skills in Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management
  • Highly motivated, self-starter; ability to work alone (90% of work is individual); heavy research and development when necessary
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