CareerPlanSign in

Principal Software Engineer (Clearance Required)

Louisville, CO💼 Full-time💰 $184,628–$184,628🗓 2026-09-14 → 2026-09-25

Core

Designing, developing, testing, and architecting complex software systems for space missions and national security applications.

Role type

Principal Software Engineer (Clearance Required)

Builds

Space systems, mission-critical software, and defense technologies

Domain

Aerospace & Defense / Space Systems

Deliverable

production ML models | product features

Required skills

Multiple programming languages, software architecture, system scalability, secure coding, algorithmic knowledge, Agile/Scrum methodologies, unit testing, code reviews, technical leadership, requirement derivation and management

Preferred skills

Kernel-level programming, Python/C++/Java, scripting languages, automation tools, SysML/UML, static analysis tools, performance profiling

Technologies

Python, C++, Java, GitHub, GitLab, Bitbucket

Responsibilities

Design and architect comprehensive software systems; lead multidisciplinary system development initiatives; resolve conflicting system requirements; oversee system integration and verification; manage technical risks and mitigation strategies; provide technical leadership and mentorship; define and implement Systems Engineering policies

Seniority

Principal, hands-on IC with strategic leadership

Sourced via workday · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.