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Principal Systems Software Engineer

SNC

Salary not specified
Oct 30, 2025
Plano, TX, US
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Sierra Nevada Corporation (SNC) is expanding its Systems Engineering capability to modernize the U.S. Air Force's critical airborne command-and-control fleet. The company is looking for a Principal Systems Software Engineer to lead the design, development, and implementation of complex software systems for this ambitious program.

Requirements

  • Advanced understanding of requirements management, functional requirements parsing, derivation, and allocation; systems design, systems integration, technical risk identification and management strategies, and Verification and Validation (V&V) principles
  • Software Systems Experience
  • Working knowledge of Python, C++
  • Modeling and Simulation
  • Controls System
  • SIL Software Integration
  • Advanced Experience with requirements management and system modelling tools, such as DOORS, Rhapsody, NoMagic, MATLAB

Responsibilities

  • Lead system architecture and software design
  • Exercising independent judgment on software architecture, methods, and techniques to achieve results
  • Analyzing context of deliverable solutions against constraints and available technology
  • Own full system lifecycle responsibilities (requirements, modeling, simulation, test, certification, sustainment, retirement)
  • Lead trade studies
  • Simplify complexity
  • Drive system integration

Other

  • Strong communication skills with internal and external stakeholders
  • Progressive experience working in multi-disciplinary design and development teams
  • This position requires the ability to obtain and maintain a Secret U.S. Security Clearance.
  • U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment.
  • Background in the Aerospace and Defense Industry