Principal Systems Engineer

Date Posted:

2026-08-20

Country:

United States of America

Location:

US-AL-HUNTSVILLE-401 ~ 401 Jan Davis Dr NW ~ JAN DAVIS 401

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:

Active and existing security clearance required on 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. 

The Multidisciplinary Integrated Systems Department (MISD) 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. We lead all aspects of Systems Engineering that drive the development of complex systems to support Raytheon’s Land and Air Defense Systems business area from our Huntsville, AL location.  Our Systems Engineers solve technical challenges at the System of System (SoS), System, Subsystem, and Component levels. 

Key technical domains include: Architecture, Requirements, Interface Definition, Modeling & Simulation, Radar Systems, Effector Systems, Battle Management, Command and Control, Communications, Network Design, and Battlespace Integration and Interoperability for Domestic and International customers.

What You Will Do

You will perform Systems Engineering activities for one or more of our key technical domain areas on one of our many programs as an individual contributor.  Potential programs include: Patriot, Air and Missile Defense Capability (AMDC), Lower Tier Air and Missile Defense Sensor (LTAMDS), and other sensor or effector programs. 

Qualifications You Must Have

• Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience

• Experience with Missile Defense Systems or other related systems engineering experience

Qualifications We Prefer

• Advanced Degree in STEM

• Model Based Systems Engineering (MBSE) experience

• Experience with system and sub-system level requirements development, documentation and maintenance and/or requirements development and design of system level software architecture

• Experience with system concepts; detection, discrimination, track and signal processing algorithms and their behaviors and performance

• Experience with the development and coding of system models, algorithms, test vectors and evaluation tools in support of analyzing radar requirements and performance

• Experience working with MATLAB (including object-oriented programming), Python, C/C++, Java or DOORS

• Strong written and verbal communications skills

• Experience with risk and opportunity analysis

• Modeling & Simulation development experience

• Data analysis

• Experience with the software development process using Agile Methodologies and tooling, including JIRA and Confluence

• Documented experience showing analytic, technical and problem-solving skills

• Experience demonstrating your communication, technical writing, oral presentation and interpersonal skills

• Previous experience interfacing with customers and leading technical solutions to complex user needs

• Experience working alone and in a geographically distributed team environment

• Experience working with other disciplines and communicating with all levels of the organization and stakeholders

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 maintenanc