> Markdown version of [/jobs/ext/1925942-senior-specialist-systems-engineer-user-acceptance-tester-in-springfield](https://www.wearedevelopers.com/jobs/ext/1925942-senior-specialist-systems-engineer-user-acceptance-tester-in-springfield). 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 Specialist, Systems Engineer - User Acceptance Tester in Springfield - **Company:** Energy Jobline - **Location:** Springfield, MO, United States - **Experience:** Expert - **Salary:** $106,500.0 - $197,500.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Systems Engineering, JIRA, Bioinformatics, Bug Tracking Systems, Bugzilla, Selenium, Systems Integration, Test Scripts - **Published:** August 5, 2026 - **Apply:** https://www.energyjobline.com/job/senior-specialist-systems-engineer-user-acceptance-tester-springfield-31334097 ## About the Role * Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. \n * Active Top Secret/SCI with CI Polygraph \n * 5+ years of software integration and test experience with a focus on user acceptance testing (UAT). \n * Experience developing and executing manual and automated software tests. \n * Experience using industry-accepted test automation tools, such as Test Complete or Selenium. \n * Experience using industry-accepted requirements repository and defect tracking tools (ex. Backlog, Bugzilla, Jira, etc.) \n ## Description The successful candidate will support a high performing team of Government and Contractor professionals by testing software releases to ensure they function correctly, documenting failed test cases, and documenting any changes or updates needed to existing procedures. This role is critical in maintaining the integrity and performance of our software products., n \n * Design, develop, and manage test cases, including traceability to requirements, user stories, etc. \n * Execute software testing events using industry-accepted test tools. \n * Participate in User Acceptance Testing (UAT) and Government Acceptance Testing (GGAT) exercises. \n * Document and report any bugs, issues, discrepancies, or failed test cases found during testing government defect tracking tool. \n * Develop/deliver test reports as well as present finding to project stakeholders. \n * Able to independently develop and precisely follow test scripts with attention to detail, document findings. \n * Use strong written and verbal communication skills, with experience updating senior leadership. \n * Able to work independently with minimum supervision. \n, L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to , , , , , ancestry, , (including , childbirth, breastfeeding or other related medical conditions), , expression, , marital status, veteran status, , genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. ## Related Videos - [Proactive monitoring and smoke testing in your production environment](https://www.wearedevelopers.com/videos/139-proactive-monitoring-and-smoke-testing-in-your-production-environment) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [Explore new web features before everyone else](https://www.wearedevelopers.com/videos/316-explore-new-web-features-before-everyone-else) - [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) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Old tools, new tricks](https://www.wearedevelopers.com/videos/1916-old-tools-new-tricks) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)