Principal Systems Engineer Jobs

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Principal Systems Engineer - NC3 Programs (Onsite)

RTX Corporation

Richardson, Texas, USA

Full-time

Date Posted: 2025-06-24 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 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.Security Clearance: DoD Clearance: Secret Are you looking to make a meaningful, positive impact while advancing your career? Embark on a journey where your expertise in

Principal Systems Engineer - BMD SME

BlueHalo

Huntsville, Alabama, USA

Full-time

BlueHalo, an AV Company, is seeking a highly talented Principal Systems Engineer - Ballistic Missile Defense Subject Matter Expert (BMD SME) to join our team! In this role you will get to facilitate the modeling, simulation, and analyses of future concepts that shape the future of the Missile Defense System (MDS) and respond to Warfighter needs. Facilitate the definition of future concepts for modeling, simulation, and analysis Act as a subject matter expert in future concept definition, archite

Principal Systems Engineer - Air Traffic Solutions (Onsite)

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-06-30 Country: United States of America Location: MA803: Marlborough, MA Building 3 1001 Boston Post Road Building 3, Marlborough, MA, 01752 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Raytheon Company, Managed by Collins Aerospace Join a team with a global impact that extends beyond the skies! At Collins Aerospace, an RTX company, we're at the forefront of cutting-edge technology and in

Sr. Principal Systems Engineer - RDC Warfighter Support Team

RTX Corporation

Colorado Springs, Colorado, USA

Full-time

Date Posted: 2025-07-08 Country: United States of America Location: CO213: 1275 Newport Rd, Colorado Spri 1275 Newport Road , Colorado Springs, CO, 80916 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.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our na

Principal Systems Engineer - Fixed Wing Military FMS (Onsite)

RTX Corporation

Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-06-27 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace is seeking qualified candidates for a Principal Systems Engineer to join our development team for Flight Management Application content for Fixed Wing aircraft within our Military Avionics & Helicopters Fli

Sr Principal Systems Engineer - NC3 Programs (Onsite)

RTX Corporation

Richardson, Texas, USA

Full-time

Date Posted: 2025-06-18 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 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.Security Clearance: DoD Clearance: Top Secret Are you looking to make a meaningful, positive impact while advancing your career? Embark on a journey where your expertise

Principal Systems Engineer - Networking and Gateway Solutions (Onsite)

RTX Corporation

Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-06-26 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 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.Security Clearance: DoD Clearance: Secret Principal Systems Engineer - Networking and Gateway Solutions (Onsite) The Battlefield Autonomy Tactical Management and A

Principal Systems Engineer (Onsite)

RTX Corporation

Largo, Florida, USA

Full-time

Date Posted: 2025-05-14 Country: United States of America Location: FL410: Largo FL MFG 7887 Bryan Dairy Road , Largo, FL, 33777 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.Security Clearance: DoD Clearance: TS/SCI Raytheon Company, Managed By Collins Aerospace. Collins Aerospace, an RTX company, is a leader in technologically advanced and intell

Principal Systems Engineer, Acoustic Design / DSP

Harman International

Los Angeles, California, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. Introduction: A Career at HARMAN Lifestyle We're a global, multi-disciplinary team that's putting the innovative power of tec

Senior Principal Systems Engineer - Lead - Advanced Tanker Engineering (Onsite)

RTX Corporation

Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted re

LINUX Sr Principal Systems Engineer - Active Top Secret Required

General Dynamics

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Computer Engineering, Linux, Red Hat Enterprise Linux (RHEL) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Job Description Senior Principal Systems Engineer - Linux Design, deploy, integrate and maintain Li

Principal Systems Engineer (Onsite)

RTX Corporation

Hollister, California, USA

Full-time

Date Posted: 2024-11-19 Country: United States of America Location: CA601: Goleta (EW) Bldg H01 6380 Hollister Avenue Building H01, Goleta, CA, 93117 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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 experi

Senior Principal Systems Engineer

RTX Corporation

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-04-28 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.Security Clearance: Secret - Current At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to hel

Principal Systems Engineer (Onsite)

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-04-29 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 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.Security Clearance: DoD Clearance: Secret Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically a

Principal Systems Engineer

Modern Technology Solutions

Beavercreek, Ohio, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Principal Systems Engineer in Dayton, OH. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.

Senior Principal Systems Engineer (Onsite)

RTX Corporation

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-04-29 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 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.Security Clearance: DoD Clearance: Secret Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically a

Principal Systems Engineer - Network Infrastructure (Onsite)

RTX Corporation

Richardson, Texas, USA

Full-time

Date Posted: 2025-05-20 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 USA 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.Security Clearance: DoD Clearance: Top Secret Are you looking to make a meaningful, positive impact while advancing your career? Embark on a journey where your expertise in sys

Principal Systems Engineer (Modeling & Simulation)

RTX Corporation

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-01-29 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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 10

Senior Principal Systems Engineer - Display Products (Onsite)

RTX Corporation

Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-03-18 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Onsite Are you ready to shape the future of aerospace display technology? At Collins Aerospace, we're looking for a Senior Principal Systems Engineer to join our vibrant Display Products department in a role that combines innovation, leadership, and a drive for excellence. Here, learning and fun go hand-in-hand with making a signifi

Principal Systems Engineer - Embedded Communications - Active SECRET Clearance (Onsite)

RTX Corporation

Fort Wayne, Indiana, USA

Full-time

Date Posted: 2025-02-17 Country: United States of America Location: HIN02: Ft Wayne IN 1010 Production Road , Fort Wayne, IN, 46808 USA Position Role Type: Onsite Our nation's security depends on the sacrifice of the men and women who defend our country. For them to do this effectively, they need the technology that keeps them a step ahead of their adversaries. This means providing secure yet technologically advanced equipment to our service personnel, fielded as quickly as possible. Our commit