Skip to content
NEXTMOVEFDE careers · United States

Principal Systems Engineer/SME

AI summary of the role

Leidos seeks a Principal Systems Engineer to serve as senior technical authority for a high-priority foreign engagement mission within the Intelligence Sector's Cyber & Analytics Business Area.

What you’ll do

  • Lead design, integration, testing, deployment, training, and sustainment of packet-based hardware and software systems using COTS and GOTS products.
  • Direct end-to-end systems integration across hardware, software, and network components to ensure interoperability, scalability, and optimized performance.
  • Develop and execute system integration plans, validation/verification procedures, and deployment strategies for operational readiness.
  • Develop, update, and maintain BASH and PERL scripts to automate system setup, configuration, and maintenance of core servers and clustered computing environments.

What you’ll bring

  • Minimum 20 years of Systems Engineering experience on programs/contracts of similar scope, type, and complexity.
  • Bachelor's degree in a technical discipline (IT, Systems Engineering, Computer Science, or related) or 5 additional years of experience in lieu of degree.
  • Active TS/SCI with polygraph clearance.

Technologies

COTS · GOTS · BASH · PERL · packet-based systems · clustered computing · system integration · SIGINT · CNO

About Leidos

Builds mission-critical technology, engineering, cyber, defense, health, and infrastructure systems for U.S. government, allied, and commercial customers.

Public · 5000+ people

Source and classification

Production engineering · Evidence for this classification:

solutions and tailored engineering approaches to deliver mission-critical capabilities within a secure, high-trust environment. The program supports a complex and evolving mission where experienced cleared professionals work side-by-side with the customer to architect, integrate, modernize, and optimize systems that directly drive operational outcomes. Job Summary The Principal Systems Engineer serves as a senior technical authority leading the design, integration, testing, deployment, training, and sustainment of packet-based hardware and software systems utilizing Commercial Off-The-Shelf (COTS) and Government Off-The-Shelf (GOTS) products. This role drives end-to-end systems integration across hardware, software, and network components to ensure seamless interoperability, operational performance, and mission success across a complex technical landscape. Primary Responsibilities
How jobs are selected

Employer postings · Data from · Sources