Software Engineer

RTX (Raytheon); Sudbury (MA); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks vacation

401(k) with match

Tuition reimbursement

Job summary

Collins Aerospace, an RTX company, is seeking a Software Engineer II for an onsite role in Marlborough, MA. You will participate in cross-functional agile teams and own the full lifecycle of product development, from architecture to field support, leveraging a mature software engineering process.

You must have C++ experience and a STEM degree, and be eligible for a DoD Secret clearance. Collaboration with internal and external stakeholders is a core part of the role.

Qualifications

• Experience in software engineering across multiple phases of the SDLC.
• Experience with C++ in a professional setting.
• Ability to collaborate with multiple engineering disciplines and external stakeholders.
• Typically requires a STEM degree and US citizenship for security clearance eligibility.

Responsibilities

• Participate on cross-disciplinary agile product teams.
• Own full lifecycle of product development from architecture to field support.
• Operate in a mature software engineering process environment (SEI).

Skills

C++

Software lifecycle

Team collaboration

STEM degree

Education

STEM degree

Tools

UML

OOAD

Jenkins

Linux

RTOS

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. Join us and help shape the future of aerospace and defense.

Raytheon Company, Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in engineering and proposal teams to successfully execute programs and prepare responsive proposals aimed at making the world a safer place. Come support those who provide us with all the freedoms we enjoy. Our commitment to providing an environment that supports innovation, teamwork, and growth opportunities are primary reasons engineers come to work at RTX.

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 You Must Have

• 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

Qualifications We Prefer

• 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 se