{"id":108364,"url":"https://alion.io/job/vail-systems-inc-software-engineer-test-infrastructure-iii-2","title":"Software Engineer, Test & Infrastructure III","company":{"id":4852,"name":"Vail Systems Inc.","domain":"vailsys.com","url":"https://alion.io/company/vail-systems-inc","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chicago, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":113450,"max":132000,"currency":"USD","period":"year","gross":null,"usd_annual":132000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Cucumber","optional":false},{"name":"Docker","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"JUnit","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Perl","optional":false},{"name":"Pytest","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"RSpec","optional":false},{"name":"Ruby","optional":false},{"name":"Selenium","optional":false},{"name":"SQL","optional":false},{"name":"TestNG","optional":false}],"status":"live","first_seen_at":"2026-07-22T15:56:07Z","employer_posted_date":"2026-07-22","last_verified_at":"2026-10-17T11:06:31Z","board_verified":true,"closed_at":null,"days_open":86,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":86},"description":"Who You Are\nYou catch problems before they explode-testing edge cases and degraded paths others overlook so production fire drills can be prevented. You care deeply about the tools you use and create, shaping the internal frameworks and pipelines your team depends on. Your work validates millions of real-time customer interactions every day, from web to telephony platforms, and you’re always growing through peer reviews, knowledge sharing, and mentoring. You thrive in flexible, human-centered environments where hybrid collaboration and sustainable engineering aren’t just buzzwords, but the way you work. If you love building robust, high-throughput test platforms as much as we do, we’d love to hear from you!\nAt Vail, our QA Engineering team is deeply technical-we don’t just validate features, we build the frameworks and infrastructure that test real-world signaling flows, analyze media quality, and run performance tests that mimic millions of live voice and web sessions. 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Investigate failures across applications, services, databases, and infrastructure using logs, metrics, and diagnostic tools to identify root causes and improve automation resiliency.\nLead Performance Validation: Develop and execute performance, load, and stress testing strategies that accurately model production workloads and identify system bottlenecks before release.\nCollaborate Across Engineering: Partner with Software Engineering, Product Management, DevOps, and Operations to improve system quality, release readiness, and overall testability.\nProvide Technical Leadership: Mentor engineers through code reviews, automation design discussions, and troubleshooting while promoting engineering best practices across the QA organization.\nDrive Continuous Improvement: Lead initiatives that expand automation coverage, improve framework architecture, increase test reliability, and elevate engineering productivity.\nQualifications - We encourage you to apply if you think your experience may be a match, even if you do not meet all of the qualifications.\nBachelor's or Master’s degree in Computer Science/Engineering or a related field, or equivalent experience\nExperience: Typically, 4-7 years in software development, test automation, or QA infrastructure engineering.\nProgramming Skills: Strong proficiency in one or more of Ruby, Java, C#/.NET, C++, Perl, or Python.\nAutomation Frameworks: Experience designing, building, and maintaining scalable automation frameworks using JUnit, TestNG, PyTest, RSpec, Selenium, Cucumber, or equivalent technologies.\nCI/CD & Containers: Experience developing and maintaining automated testing within Jenkins, Docker, Kubernetes, and modern CI/CD pipelines.\nDistributed Systems: Strong understanding of distributed systems, REST APIs, microservices, Linux environments, and network fundamentals.\nPerformance Engineering: Experience developing and executing load, stress, and performance testing while analyzing application behavior under 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