Senior Systems Engineer (ONSITE)

About the role

• Date Posted: 2026-11-12
• Country: United States of America
• Location: US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3
• Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements

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

Security Clearance Type: DoD Clearance: Secret

Security Clearance Status: Active and existing security clearance required after day 1

Raytheon Company, Managed by Collins Aerospace

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

Qualifications You Must Have

• 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

What We Offer

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Carrot Health to hormonal health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• This position is eligible for relocation assistance
• And more!

Learn More & Apply Now!

• Do you want to be a part of something bigger?
• A team whose impact stretches across the world, and even beyond?
• At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be.

• Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions.
• By joining our team, you'll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow.
• Are you up for the challenge?
• Join our mission today.

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

Onsite

• Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
• At Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other -- propel us all higher, again and again.
• Apply now and be part of the team that's redefining aerospace, every day.
• Employee Referral Eligible
• #MISENG
• As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.

• This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.
• RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.