Software Engineer

RTX Corporation; Sudbury (MA); On-site; USD 57,000 - 109,000; Full time

Benefits offered by this job

Medical insurance

Three weeks vacation

401(k) plan with match

Tuition reimbursement

Student loan repayment

Job summary

RTX Corporation, within the Collins Aerospace division, seeks a Software Engineer II in Massachusetts to join a strategic communication software team. You will participate in cross-disciplinary, agile teams and own the software lifecycle from architecture to field support, while maintaining a focus on high-maturity processes and collaboration with stakeholders.

The role requires C++ experience, a STEM degree, and the ability to obtain/maintain a DoD security clearance.

Qualifications

• Experience in software engineering across the full lifecycle (architecture, design, integration, test, support).
• Experience with C++ in a commercial/embedded context is required.
• Ability to communicate effectively with cross-functional teams including other engineering disciplines, program and external stakeholders.
• Typically requires a STEM degree (Science, Technology, Engineering or Mathematics).
• Ability to obtain and maintain a U.S. government issued security clearance is required.

Responsibilities

• Participate on collaborative, cross-disciplined product teams using agile software development practices.
• Responsible for the full lifecycle of product development from architecture to field support.
• Work and learn at the highest software engineering process maturity level as recognized by the SEI.

Skills

C++

SDLC

Collaboration

Security clearance

Education

STEM degree

Tools

UML

SysML

Jenkins

Linux

Job description

Date Posted: 2026-10-16 Country: United States of America Location: US-MA-MARLBOROUGH-MA4 ~ 1001 Boston Post Rd ~ BLDG 4 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

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.

Position Overview

The Strategic Communication Software (SW) Engineering Department has an opportunity for a talented Software Engineer II to join our team.

What You Will Do

• Participate on collaborative, cross-disciplined integrated product teams, often employing agile software development techniques
• Responsible for the full lifecycle of product development, from architecture and design, through integration, test, and field support
• Work and learn the highest software engineering process maturity level as recognized by the Software Engineering Institute

Qualifications

• Experience in Software Engineering to include experience working various phases of the software development lifecycle
• Experience with Software Development Using C++
• Experience working in a collaborative team environment that requires communication with other engineering disciplines, Program, and external stakeholders
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM)
• 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

Preferred Qualifications

• Applied experience in Unified Modeling Language (UML) and Object‑Oriented Analysis and Design (OOA/D)
• Understanding of standard system engineering design artifacts such as Use Cases and SysML diagrams.
• Experience with Agile lifecycle process including Scrum, Continuous Integration, and Test- Experience with DevOps, Jenkins and automated testing
• Exposure to Model Driven Development
• Experience with software integration on custom hardware
• Experience with real‑time operating systems (RTOS), embedded programming, processor/board architecture and design
• Working knowledge of Linux, VxWorks or other Real time operating systems
• Working experience with Microservice Architectures and Containerized Applications
• Scripting language (e.g. Python)

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
• 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!

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.

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. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility. 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 57,200 USD - 108,800 USD. The salary range provided is a good faith estimate representative of all experience levels.

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.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace, Pratt&Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.