Principal HW/SW Integration Engineer Lead

Lynx; Huntsville (AL); On-site; USD 160,000 - 200,000; Full time

Job summary

Thompson Software Solutions is seeking a Principal HW/SW Integration Engineer Lead to join a high‑performing, multi-site team in Huntsville, AL. The role requires hands-on integration across hardware and software subsystems, extensive collaboration, and a focus on V&V in a defense-focused environment.

Active Secret Clearance is required; 8+ years in systems engineering and a BS in a STEM field are essential.

Qualifications

• Bachelor's degree in STEM or related experience.
• 8+ years in systems engineering with focus on integration and testing.
• Strong analytical and problem-solving skills.
• Experience with I&T integration and test.
• Experience developing and executing system-level and HIL test procedures.
• Strong understanding of requirements verification/validation.
• Experience troubleshooting integrated HW/SW in a lab.
• Active Secret Clearance Required and onsite work.
• Willingness to travel up to 25%.

Responsibilities

• Lead HW/SW subsystem integration activities at MSV KV levels.
• Coordinate across SW/HW teams to ensure functions meet design intent.
• Oversee FPGA, Flight Software, Test SW, EGSE, STE, and Simulation interfaces.
• Delegate tasks to SEIT, Avionics, Firmware, Software, and Test POCs.
• Drive completion of system-level HW/SW interfaces and docs.
• Support interface documentation reviews (internal SDRL/CDRL).
• Focus on test labs, hands-on integration and V&V from a holistic perspective.

Skills

Systems engineering

Test procedures

HIL testing

Lab troubleshooting

Clear communication

Onsite work

Travel planning

Collaboration

Education

Bachelor's degree in STEM

Tools

Confluence

JIRA

Bitbucket

Prometheus

Grafana

ELK stack

MBSE tools (Cameo, AADL)

Job description

Principal HW/SW Integration Engineer Lead

Job Title: Principal HW/SW Integration EngineerLead

Compensation: $160,000 - $200,000 + 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 meetoperational 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

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.

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

• Hardware fidelity pedigree
• Sim model V&V, hardware simulation functions adequately
• 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?

• 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.