Software Integration & Test Engineer III

Innoflight LLC • San Diego, CA

48d • $95,000 - $135,000 • Onsite

About The Position

As a Software Integration & Test Engineer III, you’ll lead system integration and automated testing for circuit cards and electronic assemblies across multiple spacecraft programs. You’ll design advanced test plans, develop automation frameworks, and implement verification strategies that ensure high reliability and performance in mission-critical systems. You’ll collaborate closely with hardware, software, and manufacturing teams to debug complex issues, lead Test Review Boards, and continuously improve automation architecture and testing processes. This is a hands-on engineering role with increasing ownership of test strategy, system integration, and cross-program coordination. Applicants must currently hold an ACTIVE U.S. security clearance.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 5 or more years of experience in software integration, test engineering, or a related technical role, demonstrating progression from Level II responsibilities.
• Strong experience in Python programming and automation for hardware/software testing environments.
• Advanced troubleshooting skills for embedded systems, software, and hardware communication interfaces.
• Proven ability to document, track, and communicate technical issues and resolutions effectively.
• Strong analytical, problem-solving, and decision-making abilities.
• Effective communication and presentation skills, including experience presenting findings at Test Review Boards.
• Ability to lead cross-functional collaboration and guide less experienced engineers.
• Experience providing accurate labor, schedule, and project planning estimates for automation and integration tasks.
• Applicants must currently hold an active U.S. security clearance.

Nice To Haves

• Experience with C/C++, JavaScript, SQL, and Linux is a plus.

Responsibilities

• Design and Lead Test Strategies: Identify testable product requirements and develop comprehensive Design Verification and Acceptance Test Plans that validate interface, performance, and functional specifications.
• Develop Automation Frameworks: Architect, enhance, and manage Innoflight’s automated testing framework, integrating new capabilities and features across multiple programs.
• Automate Test Execution: Write advanced test automation software, primarily in Python, to control instrumentation and interface with hardware and software under test.
• Investigate and Resolve Test Anomalies: Lead root cause analyses of test failures, debug test setups, and present findings and resolutions at Test Review Board meetings.
• Collaborate Across Teams: Work closely with hardware, software, and manufacturing teams to ensure seamless integration, effective troubleshooting, and accurate test documentation across development and production environments.
• Estimate and Track Projects: Provide reliable labor and schedule estimates for automation and test development, and track progress to meet project milestones.
• Mentor and Support Team Members: Provide technical guidance and mentorship to Level I and II engineers on automation scripting, test methodologies, and troubleshooting best practices.
• Drive Continuous Improvement: Contribute to process optimization, automation tool enhancement, and standardization of test documentation across programs.
• Document and Communicate Results: Maintain detailed and traceable records of test procedures, configurations, results, and lessons learned for team and stakeholder visibility.

Benefits

• 401(k) with 3% company match (automatic enrollment)
• Comprehensive medical, dental, vision, HSA & life insurance
• 10 paid holidays + 120 hours PTO (starting in year one)
• Access to ancillary benefits such as critical illness, accident, disability, legal and pet insurance.
• Flexible Work-Life Balance: Enjoy a 9/80 work schedule with every other Friday off—whether you use it to recharge, work on a passion project, or spend time with family, the choice is yours.
• Continuous Learning & Development: We’re serious about professional development. From tuition reimbursement to internal "Ask Me Anything" sessions and weekly “Lunch & Learns,” we make learning a core part of the job.
• Mission-Driven Culture: We aren’t just building tech—we’re enabling the next era of space exploration. Our Culture Ambassadors help lead initiatives around inclusion, positivity, recognition, and transparency. Here, your voice is heard, your work is respected, and your individuality is celebrated.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 51-100 employees