CareerPlan

Principal Software Engineer - CTJ - TS/SCI

United States, Virginia, RestonFull-time2026-09-29 → 2026-11-09
Security clearance required

Core

Leads design, development, and mentorship for scalable, reliable software products and platforms serving US government agencies.

Role type

Principal Software Engineer (System Design & Leadership)

Builds

Extensible and maintainable code, system designs, and scalable product platforms

Domain

US Federal/State/Local Government IT

Required skills

System architecture, technical leadership, cross-functional stakeholder management, on-call incident response, observability, performance optimization, code mentorship

Preferred skills

Subject-matter expertise in cross-product features, proactive adoption of new technical trends

Technologies

C, C++, C#, Java, JavaScript, Python

Responsibilities

Determine user requirements for complex scenarios, lead identification of dependencies and development of design documents, mentor engineers to produce maintainable code, drive project and release plans across multiple groups, monitor systems for degradation or downtime, share knowledge to drive consistency in monitoring and operations at scale

Seniority

Principal, hands-on IC with strategic leadership