Senior Software Engineer (Onsite)

Date Posted:
2026-02-25
Country:
United States of America
Location:
US-CT-WINDSOR LOCKS-B1 ~ 1 Hamilton Rd ~ BLDG 1
Position Role Type:
Onsite
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. ;br>Security Clearance Type:
None/Not Required
Security Clearance Status:
Not Required

Do you like to fly? Would you like to better understand how the embedded software controls the engine? Would you like to understand the rigorous certification requirements that must be met before an aircraft takes flight? As a Principal Software Engineer, you will be on a mission to develop, test, and prove compliance to the certification authorities that our products are safe, reliable, and airworthy!

As a Senior Software Engineer at Collins Aerospace, you are supporting the development of state-of-the-art flight critical embedded software for military and commercial aviation applications. You are a member of the engineering team responsible for the design, development, and verification of real-time embedded software. You are on the engineering team responsible for the design, development, and verification of real-time embedded software. That ensures our warfighters and travelers safe everyday!

What You Will Do

• You will support Software Design, Development, and Verification Tasks
• You will manage translation of customer requirements into software requirements
• You will coordinate tasks
• You will review software requirements to ensure compliance with customer requirements
• You will manage implementation of software requirements using design models (flow diagrams) and/or software code (proprietary language)
• You will review of software design and code to ensure compliance with software requirements
• You will generate, run, and review test scripts and data to support software verification test activities
• You will generate documents to support aerospace certification

What You Will Learn

• You will learn how to be a credible software engineer and gain niche skills in the aerospace industry, enabling you to be unique in all you do.
• You will help to expand our software engineering team to allow us to better focus on customer satisfaction related to quality, schedule, process, and cost.
• You can help us improve our Customer Focus and help us to Drive Results! You will support software certifications of military and commercial aircrafts, support customer investigations, and troubleshoot deficiencies in existing software applications

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.
• Experience developing software architecture in an embedded software environment.

Qualifications We Prefer

• Full life-cycle software development experience.
• Experience with DO-178 (Level A) or similar military standards
• Experience managing projects and tasks across functional teams and geographic locations
• Experience with software verification testing
• C, Assembly, and/or Python programming experience preferred
• Experience using logic analyzers and other lab test equipment

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!

Eligible for relocation

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!

Role type definition:

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.

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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