Software Engineer/Developer II (Onsite)

globalhr; Sudbury (MA); On-site; USD 69,000 - 131,000; Full time

Benefits offered by this job

Relocation eligibility

Medical benefits

Dental benefits

Vision benefits

Life insurance

Disability insurance

401(k) matching

Flexible spending accounts

Flexible work schedules

Employee assistance program

Employee Scholar Program

Parental leave

Paid time off

Holidays

Annual incentive programs

Job summary

RTX Marlborough, MA is seeking software engineers to join a mission-focused team delivering software for Battle Management, C2, and related systems.

Join cross-functional agile teams to develop and integrate complex software for aerospace and defense applications. Candidates should hold a STEM master’s, have OO language experience, and familiarity with AI/ML tools; U.S. security clearance is required.

Qualifications

• Master's degree in STEM or similar technical field.
• Experience designing and programming with C++, Java or other OO language.
• Knowledge of data structures, algorithms, memory management, and multithreaded applications.
• Experience utilizing Generative AI tools or machine learning-assisted technologies to accelerate workflows.
• Experience with open systems architecture (OSA) and modular design principles.
• Experience identifying and resolving deficiencies within an engineering environment.

Responsibilities

• Participate in collaborative, cross-discipline integrated product teams, employ agile software development techniques and resources to develop, test, and integrate complex software and systems solutions for aerospace and defense applications.
• Responsible for some or all of a Software product, contributing as a software team member and possibly leading a small software team.

Skills

C++/Java

Data structures & algorithms

Multithreading

Generative AI / ML

OSA architecture

Technical problem solving

Agile / DevOps

Cross-domain integration

Education

Master's degree in STEM

Tools

Git

Atlassian Suite

Azure

Jenkins

MATLAB

Python

Job description

Date Posted: 2026-09-30

Country: United States of America

Location: US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2

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: DoD Clearance: Secret

Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

What You Will Do

The mission of the software team in Marlborough, MA is to provide world-class software for our customers. We are looking to add software engineers to our development team for a wide array of products including Battle Management, Command & Control, Communications, Effectors, Advanced Sensor Systems, and Surveillance and Warning systems.

We value your diverse skills and experience, so don’t hold back. Your qualifications add tremendous value to our team. Our customers come from all different backgrounds, and so do our employees. If you’re passionate about what you could accomplish here, we’d love to hear from you.

• Participate in collaborative, cross-discipline integrated product teams, employ agile software development techniques and resources to develop, test, and integrate complex software and systems solutions for aerospace and defense applications
• Responsible for some or all of a Software product, contributing as a software team member and possibly leading a small software team.

Qualifications You Must Have

• Master's degree in Science, Technology, Engineering, or Mathematics (STEM) or similar technical degree
• Experience designing and programming with C++, Java or other object-oriented language
• Knowledge of data structures, algorithms, memory management, and multithreaded applications
• Experience utilizing Generative AI tools or machine learning-assisted technologies to accelerate technical workflows, automate repetitive tasks, improve code quality, or optimize team delivery
• Experience with open systems architecture (OSA) and modular design principles, including designing or developing loosely coupled software components, standardized APIs, or modular system interfaces
• Experience identifying and resolving operational, technical, or documentation deficiencies within an engineering environment (Technical Problem Solving)

Qualifications We Prefer

• Experience with CI/CD (Continuous Integration/Continuous Delivery) tools (e.g., Git, Atlassian Suite, Azure, Jenkins)
• Experience with configuration management tools (e.g., Azure, Jira, Git, Bitbucket, Artifactory)
• Experience with data analysis tools (e.g., MATLAB, Python)
• Experience using Agile frameworks such as Scrum, Scaled Agile (SAFe), or Scrum@Scale, Test-Driven Development (TDD) or DevOps principles
• Experience developing, building, or debugging software across diverse operating system environments, such as enterprise Linux distributions (e.g., Red Hat Enterprise Linux/RHEL), commercial Real-Time Operating Systems (e.g., VxWorks, Green Hills INTEGRITY), or Windows development environments
• Demonstrated track record of technical adaptability, including quickly learning, evaluating, and applying new programming languages, frameworks, or engineering tools to meet evolving project requirements
• Experience managing competing priorities and meeting firm project milestones within dynamic, deadline-driven development or operational environment

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

• Relocation Eligibility

The salary range for this role is 68,900 USD - 131,100 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.

• 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

• annual short-term and/or long-term incentive compensation programs

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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