Software Engineer I

RTX; Tewksbury, Concord (MA, MA); On-site; USD 57,000 - 109,000; Full time

Benefits offered by this job

Medical insurance

401(k) match

Flexible spending accounts

Paid time off

Holidays

Parental leave

Job summary

RTX, based in the United States, seeks a software-focused engineer to contribute to Patriot Trainers and Simulation. You will develop software in C and C++, collaborate with cross-functional teams, and help maintain robust training systems.

Candidates typically hold a STEM degree with under two years of experience and must be eligible for a U.S. security clearance. This onsite role offers hands-on growth and exposure to MS Visual Studio and Perforce in a DoD-aligned environment.

Qualifications

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and less than 2 years prior experience.
• Experience developing software using C, C++
• Database systems
• The ability to obtain and maintain an Interim U.S. government issued Secret security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Responsibilities

• Software Design and Development.
• Supporting database development using tools such as MS SQL Server.
• Collaborating with development teams to integrate new technology and COTs tools into software applications.
• Managing source control using Perforce and supporting development efforts in C, C++, and MS Visual Studio.
• Troubleshooting and resolving software related issues in a timely manner.
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Skills

C language

C++ programming

Software design

Debugging

Teamwork

Education

STEM degree

Tools

MS SQL Server

Perforce

MS Visual Studio

Job description

Date Posted: 2026-11-06

Country: United States of America

Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord

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.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

What You Will Do

As a team member of the Patriot Trainers and Simulation you will play a critical role in ensuring the optimal performance, security, and reliability of our training systems You will work closely with cross-functional teams to support the development and maintenance of innovative solutions that enable mission success.

• Software Design and Development.
• Supporting database development using tools such as MS SQL Server.
• Collaborating with development teams to integrate new technology and COTs tools into software applications.
• Managing source control using Perforce and supporting development efforts in C, C++, and MS Visual Studio.
• Troubleshooting and resolving software related issues in a timely manner.
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications You Must Hav e

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and less than 2 years prior experience

• Experience developing software using C, C++
• Database systems
• The ability to obtain and maintain an Interim U.S. government issued Secret security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefe r

• Server Administration
• Experience in IT, Windows
• Hardware: Physical devices like computers, servers, routers, and storage drives.
• Software: Operating systems, applications, and programs that run on hardware.
• Networking: Systems that connect computers and allow data sharing, including local networks and the internet.

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

This position is classified as:

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.

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. 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.

• 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
• holidays

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 limit