EA / EP Sr Principal Systems Engineer

Date Posted : 2025-09-22

Country :

United States of America

Location :

MA133 : Tewksbury, Ma Bldg 3 Concord 50 Apple Hill Drive Concord - Building 3, Tewksbury, MA, 01876 USA

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 : Secret - Current

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.

The  Systems Engineering and Test Capabilities (SE&TC) Discipline organization  is the central focus for Mission Systems Integration activities within Raytheon, responsible for defining customer needs, functional and product architecture, requirements definition and decomposition, Model Based Systems Engineering (MBSE), system performance, and System Security Engineering (SSE).

We are seeking a talented Electronic Attack / Electronic Protection (EA / EP) Systems Engineer to join a team of engineers that designs and develops world-class Sensor systems in our Tewksbury, MA or Marlborough, MA location.

This position can be located in either Tewksbury, MA or Marlborough, MA and may require occasional travel.

What You will Do :

The EA / EP and SP Systems Engineer will be responsible for the definition of radar system architectures, the development of concepts of operations for the radar system, the design of radar processing algorithms, and the development and decomposition of system, hardware and software requirements. Opportunities also exist to perform statistical analysis of the radar system performance using real and / or simulated data. Work is performed in a dynamic development environment in support of multiple research and development efforts, working with internal and external customers across related product lines. Focus areas for these radar systems include :

Algorithm Development

Signal Processing and Waveform Design

Electronic Protection Methods

Phased Array and Digital Beamforming Technology

Radar Search, Track and Discrimination Design

Statistical and Numerical Analysis of Radar Performance Data

Target and Threat Modeling

Integration and test of large systems

Model Based System Engineering Development

Qualification You Must Have :

Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 10 years of prior engineering experience or equivalent experience.

An active and transferable Secret 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 the required security clearance.

Experience with design, development, and analysis of radar system and software architecture

Experience in writing and evaluating requirements for digital signal processing functionality

Strong background in modeling and assessing threat air and ground, RF, Electronic Attack (EA) capabilities, and advanced weapon system concept performance and employment

Design, implementation and testing of algorithms for detection, discrimination and tracking systems

Qualifications We Prefer :

Minimum of 3 years of experience with design, development, and analysis of radar system and software architecture

Ability to perform statistical modeling of radar signals and analyze detection and track performance

Experience with signal processing techniques in complex propagation environments

Experience interfacing with customers and lead technical solutions to complex user requirements

Experience with digital beamforming, adaptive cancellation techniques, clutter filtering and Doppler processing, ambiguity resolution, maximum likelihood estimation, CFAR processing

Define algorithms to support the optimization of system performance and operations by applying fundamental radar principles and modeling electronic countermeasure (ECM) techniques

Experience with advanced processing algorithms for clutter and jamming suppression

Knowledge of RF communications and / or radar systems to generate realistic models and simulations of threat systems and apply these models to quantify the effectiveness of EA concepts and designs against such threats in operational environments

EA technique development

EA simulation tool familiarization

EA subsystem / system development and integration experience

Familiarity with beamforming architectures and techniques

Ability to design and analyze multi-target track filtering algorithms

Experience with RF Systems Engineering including knowledge of RF performance analysis

Familiarity with the Navy, Air Force and Army Customers

Experienced with completing designs on schedule and within budget

Master’s Degree in Engineering

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.

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

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.

The salary range for this role is 124,000 USD - 250,000 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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