Systems Engineer II (Onsite)

Prattwhitney; McKinney (TX); On-site; USD 69,000 - 131,000; Full time

Benefits offered by this job

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

Job summary

Raytheon in McKinney, TX is hiring an entry-level System Engineer. The role focuses on architecture, MBSE, and systems engineering across the Land Warfare and Missile Defense domains.

You will translate customer needs into robust system specifications and verify performance across the total lifecycle. The ideal candidate holds a STEM master’s degree and has hands-on experience with DOORS, MATLAB, C++, and Python, plus MBSE proficiency.

Qualifications

• Master’s degree in Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
• Experience with DOORS, MATLAB, C++, and Python.
• Experience with Model Based Systems Engineering (MBSE).

Responsibilities

• Define customer needs, architecture, requirements, and interfaces for complex systems.
• Perform analysis, trade studies, and decomposition of requirements for hardware and software.
• Develop verification plans and criteria for system-level requirements and sub-systems.
• Conduct system integration, validation, and trade studies across life cycle stages.

Skills

Strong communication

Team collaboration

Education

Master’s degree in STEM

Tools

DOORS

MATLAB

C++

Python

MBSE

Job description

Date Posted: 2026-09-08 Country: United States of America Location: US-TX-MCKINNEY-513WH ~ 2501 W University Dr ~ WING H BLDG

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 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.

This is an onsite entry level role located in McKinney, TX.

What You Will Do

The System Design & Architecture (SD&A) Directorate is the central focus for Mission Systems Integration activities within RMD, 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). The Land Warfare and Missile Defense Department supports Raytheon by providing world class technical expertise and engineering leadership to drive the design and development of world-class Air and Missile Defense Systems, Sensors, and Effectors. This department leads all aspects of Systems Engineering that drives the development of complex systems to support Raytheon’s Land Warfare and Air Defense (LWAD) mission areas from our McKinney, TX location. Systems Engineers within this department solve technical challenges at the System of System (SoS), System, Subsystem, and Component levels. Key technical domains include:

• Architecture


• Requirements


• Interface Definition


• Radar Systems


• Effector Systems


• Battle Management


• Command and Control


• Communications


• Network Design


• Battlespace Integration and Interoperability for Domestic and International customers

You will perform analysis's, architecture and design at all levels of the total system product including concept, design, fabrication, modeling, test, installation, operation, maintenance and disposal. You will perform functional analysis's, trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. You will provide analysis's for the decomposition of customer specifications and system level requirements into sub-system and piece part requirements, and develops verification criteria and plans for the requirements. You will perform technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total system solutions.

Qualifications You Must Have

• Master’s degree in Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.


• Experience with tools such as DOORS, MATLAB, C++, and Python.


• Experience with Model Based Systems Engineering.


• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

• Strong written and verbal communication skills


• Strong collaboration skills


• Prior internship, co-op, or work experience

What We Offer

• 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 depending on the level of the position and whether or not it is covered by a collective-bargaining agreement.

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. 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.

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.