Principal Software Engineer

Job Title: Principal SW Engineer - Open Mission Systems

Fort Worth, TX or Palmdale, CA.

Compensation

$160,000 - $208,000 + Bonus Eligible

Security Clearance

Active Secret Clearance Required

Who we are

Founded in 2004 with locations in Atlanta, GA, Fort Worth, TX, Denver, CO, & Huntsville, AL, Thompson Software Solutions (TSS) is a mission-driven aerospace and defense software and systems engineering company supporting the U.S. military, defense primes, and commercial space partners. We specialize in the development, integration, test, and deployment of safety & mission-critical software systems that power next-generation aircraft, defense platforms, and space technologies. Our team understands what it takes to modernize complex embedded systems while maintaining the rigor, compliance, and reliability required for mission and safety-critical environments. As a defense-focused company of highly skilled and dedicated engineers, we take pride in solving complex technical challenges that directly impact national security and operational readiness. We partner closely with customers across the military aviation and space domains to deliver resilient, future-ready solutions with portability, sustainability, and long-term mission success in mind.

Description

Thompson Software Solutions is seeking a Principal Software Engineer – Open Mission Systems (OMS) to support the development and integration of advanced software capabilities for a military aircraft platform. This role offers the opportunity to contribute directly to next-generation avionics architectures that enhance interoperability, rapid capability integration, and mission effectiveness for U.S. military aviation programs. This position requires a software engineer to use a wide application of technical principles, theories, and concepts in the software field to develop, integrate, and test software products. The successful candidate will be a member of a high-performing multi-site team and must be self-motivated with a strong work ethic, time-management, and interpersonal skills. In this role, you will work independently at times on projects, at other times will be in a collaborative team environment with other software engineers, as well as other program development and deployment teams. Selected applicants will be subject to a government security investigation and must meet eligibility requirements for access to classified information. Continued eligibility for access to classified information is required throughout employment, as dictated by program needs.

Basic Requirements

Bachelor's degree in STEM discipline

8+ years of C++ development experience

Open Mission Systems (OMS) software architecture and development

C++ mission software development in Linux environments

Middleware and data distribution (DDS, pub/sub architectures)

Service-oriented and event-driven software design

Experience developing Service contracts

Interface definition, ICD development, and data modeling

Mission-level simulation and integration testing

Ability to work onsite 100%

Ability to travel 10%

Preferred / Additional Skills

Proficient with Atlassian Tools (Confluence, JIRA, Bitbucket, etc.)

Experience communicating and documenting complex technical designs

Software development experience in Java

Modular Open Systems Approach (MOSA) and FACE technical standards

Integration of third-party mission applications

Secure and sustainable mission software lifecycle

CI/CD and configuration management for mission software

Ability to work in a collaborative and team-based environment

Excellent written and verbal communication and presentation skill

Benefits

We have very robust benefits including:

Low-cost Medical / Dental / Vision coverage options

401K with generous employer match

Responsible Paid Time Off + Paid Holidays

Remote work opportunities based on role

Employee Assistance Program (EAP)

Career growth and professional development opportunities

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

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