Senior Electromagnetic Environmental Effects (E3) / EMI Engineer

globalhr; Sudbury (MA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation available for eligible cand

Parental leave

Flexible work schedules

Educational assistance

Backup care

Job summary

Raytheon Missiles & Defense in Marlborough, MA, seeks a Senior Electromagnetic Environmental Effects (E3) / EMI Engineer to design electronics with extremely low emissions and high tolerance to external interferers. You will architect subsystems for radar and guidance units and ensure grounding, shielding, and power distribution meet stringent requirements.

This onsite role requires a STEM bachelor's, 7+ years EMI/EMC experience, and the ability to obtain a U.S. security clearance.

Qualifications

• Bachelors in science, Technology, Engineering, or Mathematics (STEM)
• 7+ years of related experience
• Experience in EMI/EMC test and/or design
• The ability to obtain and maintain a US security clearance. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance.

Responsibilities

• Develop architecture for new designs, to support the capture, and technical execution within the Department.
• Contribute to the development of suitable components and sub systems that achieve the performance requirements at the system level.
• Provide technical conscience, challenged with making sure the product and process meet appropriate standards.
• Ensure balance with risk conditions and constraints while advising leadership.
• Visible and accountable for technical decisions.
• Technical contact with the customer inclusive of requirements, technical commitments, IRAD, future technical needs, etc.
• Participate in major review boards such as Engineering Review Board, Failure Review Board, Risk and Opportunity Review Board etc.

Skills

EMI/EMC testing

Architecture design

RF systems

Grounding & shielding

Education

Bachelor's degree in STEM

Tools

Tile

HFSS

CST Microwave

COMSOL

Job description

Date Posted: 2026-08-25

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: 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.

About Us: At Raytheon Missiles & Defense, you have the opportunity to try new things and make a bigger difference across a broader end-to-end solution, a richer technology and product set, an expanded range of disciplines, a growing global footprint and a more diverse team of colleagues and customers.

The Antenna/Microwave and E3 Department provide innovative and affordable solutions to our customers in all business areas. We are responsible for designing phased array antenna systems including active and passive microwave components, radiators, radomes and a variety of RF subassemblies. We develop new technologies for advanced capabilities and provide support to all life‑cycle phases of the best radar systems in active worldwide deployments and grow our people with exciting new challenges, on‑the‑job training, mentoring and purposeful rotations.

Senior Electromagnetic Environmental Effects (E3) / EMI Engineer is responsible for architecture design of electronics for extremely low electromagnetic emissions and high tolerance to external electromagnetic interferers. Experience in applied methods to control self‑interference in high‑gain, high‑speed, low‑noise advanced sensor systems including radar and electro‑optic guidance units, the grounding strategies thereof, power distribution, shielding, partitioning and noise‑reduction methods. The Engineer has experience in the architecture, application and advanced design of electronic subsystems that have successfully achieved high performance in the field.

This position is located onsite in Marlborough, MA.

Responsibilities to Anticipate:

• Develop architecture for new designs, to support the capture, and technical execution within the Department.
• Contribute to the development of suitable components and sub systems that achieve the performance requirements at the system level.
• Provide technical conscience, challenged with making sure the product and process meet appropriate standards.
• Ensure balance with risk conditions and constraints while advising leadership.
• Visible and accountable for technical decisions.
• Technical contact with the customer inclusive of requirements, technical commitments, IRAD, future technical needs, etc.
• Participate in major review boards such as Engineering Review Board, Failure Review Board, Risk and Opportunity Review Board etc.

Qualifications You Must Have:

• Bachelors in science, Technology, Engineering, or Mathematics (STEM)
• 7+ years of related experience
• Experience in EMI/EMC test and/or design
• The ability to obtain and maintain a US security clearance. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance.

Qualifications We Value:

• Master’s Degree in chosen Engineering/Technical Field
• Currently hold a DoD issued security clearance of Secret or higher
• Experience manufacturing and/or assembly of EMI-critical products
• Ability to provide detailed documentation related to test planning, EMI test plans and EMI procedures and test reports with minimal revision and review
• Knowledge of automated EMI test techniques and programming, specifically using TILE.
• Strong customer focus with good verbal and written communication skills
• Good working knowledge of Microsoft Word and Excel
• Knowledge of MIL-STD-461 test techniques
• Knowledge of MIL-STD-464 Design Hardening techniques including grounding/ bonding and lightning
• Experience with EMI 3D Modelling tools, HFSS, CST Microwave, COMSOL

What We Offer:

Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

*Relocation available for eligible candidates

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect 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 86,800 USD - 165,200 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.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.

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