Senior Principal Spacecraft Concept & Mission Engineer/Sr Principal Systems Engineer Onsite

Date Posted:

2026-08-20

Country:

United States of America

Location:

US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805

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: Top Secret

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world 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.

Raytheon’s Integrated Solutions Modeling and Architecture Directorate (ISMA) performs customer focused operational analysis, simulation, mission planning and architecture development activities.  Supporting this mission are teams driving flexible integrated solutions crossing all product areas (sensors, effectors, command and control, logistics and operations), developing tools and methods to evaluate system level studies and visualization based on customer requirements. 

The Operations and Mission Analysis (Southwest) department is currently seeking a Spacecraft Concept & Mission Engineer to support Raytheon’s Advanced Technology organization.  In this role, you will support Advanced Technology's Alternate Missions & Space product line in developing satellite technology, assessing mission CONOPs and constellations, and supporting new mission and program captures for national security space customers. Advanced Technology incubates new technologies and explores novel mission areas for the RTX business, captures new programs, and executes unique projects. You will be supporting new research and development with opportunities for developing inventions and intellectual property. 

This is an onsite role located in Tucson, AZ.

What You Will Do

• You will join a team of engineers and analysts to realize team objectives:

  • Tasking is expected to include a mix of vehicle design and system sizing, mission performance analysis, and trajectory optimization.

• Analyze notional missions and hardware for feasibility and engage with engineers across disciplines to improve models and understand performance drivers.

  • Develop common mission analysis, performance analysis, and mission planning toolsets for a portfolio of systems.

  • Utilize grid computing infrastructure to enable generation and analysis of large datasets

  • Produce visualizations of complex systems and mission CONOPs in STK or similar tools.

• Coordinate with product line management and customers

• Work closely with programs & AT leadership to develop concepts and mature technologies for new business development and capture.  Opportunities to pursue IRAD funding and author intellectual property disclosures.

• Engage directly in mission planning application software development and testing

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience unless prohibited by local laws/regulations.

• Depth in at least one system-level or subsystem-level technical domain:

  • Guidance, Navigation, and Control

  • Orbital Mechanics

  • Mission Planning

  • Mission Analysis / Performance Analysis

  • Satellite Technology

  • Multidisciplinary design, System-of-Systems design

• Experience with using programming languages such as Python, MATLAB, and/or C++ to model physical systems.

• Experience in one or more of the following skill areas:

  • System performance, CONOPS

  • Algorithms and signal processing

  • Modeling and simulation (i.e., 6-DOF)