Date Posted:

2026-02-16

Country:

United States of America

Location:

US-CT-WINDSOR LOCKS-B1A ~ 1 Hamilton Rd ~ BLDG 1A

Position Role Type:

Hybrid

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

This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here: https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

We are seeking a Senior Software Engineer to join our team at Collins Aerospace in Windsor Locks, CT. In this role, you’ll be part of a team designing, developing, and verifying real-time embedded software that keeps aircraft safe and reliable. You will translate customer requirements into software requirements, implement and review code in C or Assembly, and ensure every design and line of software meets strict compliance standards. You will generate, run, and review test scripts and data to support verification activities and produce the documentation needed for aerospace certification. Your work will directly contribute to the safety of warfighters and travelers while giving you a front-row view of world-class aerospace software in action.

What You Will Do

Software design, development, and verification tasks

Manage translation of customer requirements into software requirements

Review software requirements to ensure compliance with customer requirements

Manage implementation of software requirements and/or software code (C/Assembly language)

Review software design and code to ensure compliance with software requirements

Generate, run, and review test scripts and data to support software verification test activities

Generate documents to support aerospace certification

Qualifications You Must Have

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

Proven experience in development of embedded software

Qualifications We Prefer

Experience developing software architecture in an embedded software environment, including design, implementation, and optimization of real-time systems.

Full life-cycle software development experience, covering requirements analysis, design, implementation, testing, deployment, and maintenance.

Experience with DO-178 (Level A) or equivalent military/avionics software standards, ensuring compliance with safety-critical certification requirements.

Experience managing projects and coordinating tasks across functional teams and multiple geographic locations, demonstrating strong leadership and communication skills.

Experience with software verification and validation testing, including writing test plans, executing tests, and analyzing results for embedded systems.

Proficiency in C, Assembly, and/or Python programming, with the ability to develop, debug, and optimize embedded software.

Experience using logic analyzers and other lab test equipment, such as oscilloscopes, signal generators, and in-circuit debuggers, to support hardware/software integration and troubleshooting.

What We Offer

Some of our competitive benefits package includes: 

• 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

• Ovia 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

•  And more! 

Learn More & Apply Now!

We make modern flight possible for millions of travelers and our military every second.  Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance, and their integrity keeps our customers happy. Join us as we take flight!

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

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.

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.

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.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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