> Markdown version of [/jobs/ext/4704673-senior-systems-engineer-onsite](https://www.wearedevelopers.com/jobs/ext/4704673-senior-systems-engineer-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 Systems Engineer (ONSITE) - **Company:** RTX - **Location:** Marlborough, MA, United States - **Experience:** Expert - **Salary:** $86,800 - $165,200 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, JIRA, Verification and Validation (Software), DOORS (Software), Test Scripts, Break Fix - **Published:** November 13, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-MA-MARLBOROUGH-MA3--1001-Boston-Post-Rd--BLDG-3/Senior-Systems-Engineer--ONSITE-_01886367 ## About the Role The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, * Experience producing, reviewing, and delivering systems engineering documentation and technical artifacts * Hands-on experience with requirements development and management tools (DOORS, Cameo, etc.) * Experience developing test procedures, executing qualification tests, and delivering test reports * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience Qualifications We Prefer * Experience supporting a Department of Defense (DoD) government contract * Experience with IBM DOORs and JIRA * Experience leading small teams to achieve program cost and schedule objectives * Experience with both waterfall and Agile Development Processes * Experience with System Engineering Product Cycle * Radar domain experience * Active U.S. SECRET Security Clearance * Strong communication and presentation skills, with proven ability to interface with IPT leads, hardware/software teams, specialty engineering, program leadership, and customers * Ability to work independently to solve complex engineering problems and contribute to technical decision-making ## Description Collins Aerospace, an RTX company, is currently looking for a Senior Systems Engineer to join the Multi-Domain Solutions Systems Engineering Team within the Air Traffic Navigation, Integration, and Coordination System (ATNAVICS). The selected candidate will serve as a key technical contributor across both sustainment and production activities, supporting U.S. military customers and international programs. This role provides the opportunity to lead system-level development, integration, and verification efforts for critical navigation systems deployed worldwide. The ideal candidate will have demonstrated experience across the systems engineering lifecycle, including requirements analysis, technical leadership during integration and test events, and development of engineering artifacts. A Senior Systems Engineer is expected to operate with moderate independence, contribute to planning activities, and mentor junior engineers as needed. What You Will Do * Lead definition, derivation, and management of system-level and interface requirements, including verification and validation planning * Support and occasionally lead CONOPS development, procedure planning, and coordination across multidisciplinary engineering teams * Investigate and resolve customer issues by developing system and product-level solutions, including root-cause analysis and requirements updates * Develop, review, and execute test plans, integration activities, and verification documentation in both lab and field environments * Perform systems sustainment for legacy radar systems, including hands-on troubleshooting, analysis, and documentation improvement * Provide technical guidance to junior engineers and contribute to program planning, schedules, and risk management activities * Support up to 25% travel for field testing, integration events, or customer engagements