System Engineer II - Patriot Software Team

Date Posted: 2026-02-11

Country: United States of America

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

Position Role Type: Onsite

Security Clearance Requirements

• U.S. Citizen, U.S. Person, or Immigration Status: 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
• DoD Clearance: Secret
• Security Clearance Status: Active and existing security clearance required after day 1

About the Role

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.

We are seeking a skilled System Engineer II as part of our Patriot Software Team in Tewksbury, Massachusetts. Patriot is the world's pre-eminent air defense system, and we are currently developing software in support of new system capabilities. In this role, you will work closely with software developers, system architects, and product leads to ensure that the solutions we deliver meet our customers' requirements. You'll have the opportunity to work in a dynamic, fast-paced environment where your contributions will have a direct impact on the success of our products around the world.

The position works in a SCIF environment with an optional 9/80 schedule to accommodate work/life balance practices. This position requires exclusive onsite presence.

What You Will Do

• Concept and requirements development, including decomposition and flow-down
• Concept of Operations (CONOPS) development and design
• Trade studies to bring new, advanced features to fielded system
• Functional analysis of real world and training purpose
• Collaboration with customers to bring new capabilities to the warfighter
• Collaborate with cross-functional teams to define, design, and implement new features, ensuring system integration and scalability
• Troubleshoot, debug, and optimize existing code for performance and efficiency in complex environments
• Light travel and off-hours testing (2nd or 3rd shift) may occasionally be required

Qualifications You Must Have

• Bachelor's degree in Science, Technology, Systems Engineering, or Mathematics and a minimum of 2 years of experience
• Experience with tools such as DOORS
• Experience in requirements development
• 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

• Active Secret security clearance
• Knowledge of radar systems (for example
• Patriot System)
• Experience with data analysis
• Experience developing technical solutions to complex issues
• Experience in embedded systems, real-time systems, or large-scale applications
• Experience communicating and collaborating with cross functional teams and customers
• Familiarity with software development methodologies (Agile, Scrum, etc.)

What We Offer

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

• Relocation Eligible – Relocation assistance available
• 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
• Eligible for annual short-term and/or long-term incentive compensation programs (dependent on position level and various performance factors)

Salary Range: $68,900 USD - $131,100 USD

About the Location

This position is in Tewksbury, Massachusetts. Living in Massachusetts means you'll have easy access to the ocean and locations of historical significance. You can enjoy varied outdoor activities ranging from hiking and camping to cross-country skiing and snowmobiling. Massachusetts is recognized as one of the best states to call "home."

Additional Information

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.

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.

Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Payments under annual incentive 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.

Security Clearance Information

This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website: https://www.state.gov/m/ds/clearances/c10978.htm

Equal Opportunity Statement

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.

About RTX

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.