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RTX

Senior Software Engineer (Embedded SW)

United States

The salary range for this role is 86,800 USD - 165,200 USD.

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Job details

Pay: The salary range for this role is 86,800 USD - 165,200 USD.
Experience: 5+ years of relevant software engineering experience
Posting language: English
Posted: Nov 2, 2026

Original job description

Date Posted:

2026-11-02

Country:

United States of America

Location:

US-MD-ABERDEEN-APG ~ 6260 Guardian Gtwy ~ APG

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Collins Aerospace is seeking a qualified Senior Software Engineer to support the Identification Friend or Foe (IFF) programs for onsite software development at Aberdeen Proving Ground, MD.

This is a mid-career engineering position for an individual with educational and/or professional experience/interest in the development of solutions to radar system. The work is highly technical, and the individual will work collaboratively in an agile environment on the software team. The individual will work with C++ code in an embedded multithreaded environment and support integration and test.

The successful candidate must be able to work on individual tasks, sometimes under limited supervision, or with a team to achieve operational targets and must have the ability to communicate and collaborate with parties within and outside of own job function. Eventually the candidate may be responsible for helping to provide guidance, coaching and training to other employees within their job area.

If you're passionate about what you could accomplish here, we'd love to hear from you.

What You Will Do

Work on multiple tasks in support of software development
Work collaboratively in an agile environment and on programs using the agile lifecycle development
Work with C++ code in a multithreaded embedded environment
Improve code quality by performing code reviews and good software practice
Support integration, verification, and in some cases field work
Collaborate with subject matter experts and cross-functional teams for a unified solution

Qualifications You Must Have

5+ years of relevant software engineering experience
Experience in C++ software application development in Real Time Embedded Systems
Understanding of basic software development principles – configuration control, collaborative development, and formal processes
Experience in performing data analysis and problem solving (e.g. anomaly investigation)
Experience in DevSecOps
Must have a Secret U.S. government issued security clearance.
U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
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 with real-time multithreading, memory management and performance optimization
Experience in software collaboration environments and secure coding practices
Experience in requirements traceability, scripting, VxWorks RTOS, VectorCAST
Experience with development of solutions to Identification Friend or Foe software Applications
Experience with Hardware and Software Integration, Validation & Verification Testing, and Qualification Testing.
DevSecOps, Jenkins, and automated build/test methodologies

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
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
Eligible for relocation
And more!

Learn More & Apply Now

#MISENG

At Collins, the paths we pave together lead to limitless possibilities. 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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