> Markdown version of [/jobs/ext/1951628-senior-software-engineer-ats-onsite](https://www.wearedevelopers.com/jobs/ext/1951628-senior-software-engineer-ats-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Software Engineer - ATS (Onsite)

- **Company:** RTX
- **Location:** Fullerton, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Testing (Software), C (Programming Language), Applicant Tracking Systems, JIRA, Big Data, IBM Rational ClearCase, Configuration Management, Software Debugging, IBM Rational Clearquest, Systems Development Life Cycle, Software Engineering, Data Processing, Safety Critical Systems, Git, Bitbucket, DO-178B
- **Published:** August 6, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/senior-software-engineer-ats-onsite-fullerton-ca-usa-58818863

## About the Role

with with stakeholders * Collect and generate software metrics for reviews * Identify and lead opportunities for process improvements * Support software process audits and engineering reviews Tasks * Degree in STEM with 5+ years in software engineering, or advanced degree with 3+ years * Minimum 5 years in UNIX/Linux-based development with C programming and full SDLC * Experience in software testing (Unit, Integration, System) and debugging * Experience with source code configuration management (ClearCase, ClearQuest, Jira, BitBucket/Git) * U.S. citizenship is required Key requirements * Flexible work weeks * Medical, dental, and vision insurance * Three weeks of PTO * Generous 401(k) with employer match * Tuition reimbursement * Parental leave

## Description

Experteer Overview In this role you will help design, develop, integrate, and verify software for real-time, safety-critical satellite-based systems used in WAAS. You will collaborate with cross-functional teams to meet cost and schedule objectives and contribute to software qualification and process improvement. The position focuses on processing large volumes of data from safety-critical systems and supporting DO-178B-compliant verification. This is a chance to impact civil aviation safety and efficiency through advanced avionics software. Compensation / Benefits * Design, develop, and test software for real-time, satellite-based data processing * Support integration and test activities to meet program milestones * Contribute to DO-178B requirements-based verification and robustness testing * Update software process and engineering documentation to DO-178B standards * Prepare and maintain test, verification, and design artifacts * Collaborate with cross-disciplinary teams and interface with stakeholders * Collect and generate software metrics for reviews * Identify and lead opportunities for process improvements * Support software process audits and engineering reviews Tasks * Degree in STEM with 5+ years in software engineering, or advanced degree with 3+ years * Minimum 5 years in UNIX/Linux-based development with C programming and full SDLC * Experience in software testing (Unit, Integration, System) and debugging * Experience with source code configuration management (ClearCase, ClearQuest, Jira, BitBucket/Git) * U.S. citizenship is required Key requirements * Flexible work weeks * Medical, dental, and vision insurance * Three weeks of PTO * Generous 401(k) with employer match * Tuition reimbursement * Parental leave


## Related Videos

- [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray)
- [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies)
- [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94)
- [Get Your Stack Together: Building the Right Recruiting Tech](https://www.wearedevelopers.com/videos/1295-get-your-stack-together-building-the-right-recruiting-tech)
- [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks)
- [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews)

## Related Articles

- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers)
- [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)