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Principal HW/SW Integration Engineer Lead

Lynx Software Technologies Open · verified Oct 24, 2026
Huntsville Full-time Senior Software Engineering

At a glance

Senior Software Engineering role at Lynx Software Technologies. Huntsville · full-time · $166,400–$208,000 base.

SalaryStated by Lynx Software Technologies
$166,400 – $208,000
Base salary for this role, in USD per year, as published in the posting.
This role, from Lynx Software TechnologiesOur estimate for the market: $141,163–$186,481Median $165,738
Above the market median of $165,738 for senior software engineering roles in Huntsville.
Worked out from 10 postings that stated pay, median $165,738. Last updated Oct 6, 2026.
RoleSoftware Engineering
SenioritySenior
LocationHuntsville
EmploymentFull-time
Base pay$166,400–$208,000
PostedSep 30, 2026 · 3w ago
Role brief

techroles summary, based on the employer's posting.

What you'll do

  • Lead vehicle-level hardware and software integration, coordinating teams so vehicle functions work as intended
  • Close open system interfaces and changes, then move subsystem interface documents and models to completion
  • Review interface documentation and lead hands-on lab integration, verification and validation work
  • Check hardware fidelity and simulation performance, then resolve issues uncovered during testing

What you bring

  • At least eight years in systems engineering, focused on system-level development, testing and integration
  • A STEM degree or related experience, plus practical integration-and-test experience
  • You have developed and run system-level and hardware-in-the-loop test procedures
  • You can troubleshoot integrated hardware and software in a lab and explain status to clients and peers
  • An active Secret clearance and ability to work full time onsite in Huntsville

Who this fits

This lead role suits an experienced systems engineer who can work independently and coordinate technical teams. You will be onsite full time in Huntsville and may travel up to a quarter of the time. You must maintain eligibility for classified access.

From the employer

Job Title: Principal HW/SW Integration Engineer Lead

Location: Onsite – US Huntsville, AL

Salary Range: $166,400 - $208,000, plus bonus eligible

Security Clearance: Active Secret Clearance Required


This position requires full time onsite in Huntsville, Alabama.

Who we are: Founded in 2004 with locations in Atlanta, GA and Fort Worth, TX, Thompson Software Solutions LLC. team understands what is required to develop, integrate, test, and deploy software with a safety-critical pedigree while meeting the challenges of modernization and digital transformation. As a defense-focused software company of proven and dedicated employees, we take pride in our ability to react quickly and produce quality solutions to difficult technical challenges. We work with partners to find the right path to meet operational needs while future-proofing systems with portability and sustainment considerations to ensure next-generation success. 

 

Description

Thompson Software Solutions is seeking a Principal HW/SW Integration Engineer Lead who is ready to work with a talented team to provide innovative solutions for tomorrow’s problems. 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 subjected to a government security investigation and must meet eligibility requirements for access to classified information and must maintain eligibility for continued access to classified information throughout their employment as required by the job.

Who we are:

Thompson Software Solutions LLC. is a subsidiary of Lynx. Lynx delivers modular, open standards-based software solutions that redefine the economics of developing, deploying, and maintaining high assurance, mission critical edge platforms. These secure edge computing solutions are designed to drive innovation and operational excellence in today’s most demanding environments. From advancing aerospace and defense capabilities to transforming commercial and industrial systems, Lynx collaborates across a wide range of industries, including automotive, medical, and critical

We’re a fast-growing company driving innovation in autonomy, AI, and visualization technologies. If you're a self-driven leader ready to shape the future of secure, high-assurance systems, we want to hear from you

Main Responsibilities:

  • Lead (HW/SW) Hardware / Software Subsystem integration activities at the Holistic (MSV) Main Subsystem Vehicle or (KV) Key Vehicle level.
  • Coordinate across various SW/HW teams to ensure vehicle functions are as intended.

o This includes FPGA, Flight Software, Test SW, EGSE, STE, and Simulation.

o Wherever HW touches, SW is within purview and a potential area for integration activities.


The expectation of this role will have authority to delegate tasks to the appropriate SEIT, Avionics, Firmware, Software, EGSE, STE, Testbed, and Test POCs.

  • Drive completion of any unresolved system level HW/SW interfaces and /or changes related to ERB.
  • Drive completion of subsystem level interface documents/models.
  • Support relevant interface documentation reviews which include internal, SDRL, and CDRL.
  • Focus on test labs and hands on successful integration and V&V activities from a holistic perspective.

a. Hardware fidelity pedigree

b. Sim model V&V, hardware simulation functions adequately

c. Drive progress and solve deficiencies when found


Basic Requirements:

  • Bachelor's degree in STEM discipline or related experience.
  • 8+ years of experience in systems engineering, with a strong focus on systems-level development testing and integration.
  • Strong analytical and problem-solving skills with a track record of delivering high-impact solutions.
  • Experience with I&T integration and test.
  • Experience developing and executing system-level and HIL test procedures
  • Strong understanding of requirements verification and validation processes
  • Experience troubleshooting integrated HW/SW systems in a lab environment
  • Ability to professionally communicate project status and collaborate on technical solutions with clients and peers
  • Active Secret Clearance Required
  • Ability to work onsite 100%
  • Ability to Travel up to 25%


Preferred / Additional Skills

  • Proficient with Atlassian Tools (Confluence, JIRA, Bitbucket, etc.)
  • Experience leading technical projects or mentoring junior engineers.
  • Familiarity with observability tools (e.g., Prometheus, Grafana, ELK stack).
  • Familiarity with Model-Based System Engineering (MBSE) concepts and tools (Cameo, AADL)
  • Experience with Signal Processing Implementation
  • Experience communicating and documenting complex technical designs
  • Ability to work in a collaborative and team-based environment
  • Excellent written and verbal communication and presentation skills



Sound Exciting? Get in touch today! 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

Lynx is an Equal Opportunity Employer. We provide equal employment opportunities to all qualified persons without regard to race, gender, color, disability, national origin, age, religion, sexual orientation, veteran status, gender identity and/or expression, or other characteristics or status protected by law.


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Opportunity

Software Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Software Engineering$160k+

Find me work

By the team behind techroles.

Find me work
Opportunity

Software Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind techroles.