Raytheon Technologies

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

Raytheon Technologies$132K — $251K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Degree in Science, Technology, Engineering or Mathematics (STEM) with at least 10 years of relevant experience.
  • Deep expertise in a system or subsystem-level technical domain such as Guidance, Navigation, and Control or Mission Analysis.
  • Proficient in programming languages like Python, MATLAB, or C++ for modeling systems.
  • Experience with system performance evaluation, CONOPS, or algorithms and signal processing.
  • Active Top Secret U.S. government issued security clearance required at application.

Responsibilities

  • Join a team to achieve vehicle design, system sizing, and mission performance analysis.
  • Analyze missions for feasibility and engage with cross-disciplinary engineers to optimize performance.
  • Develop mission analysis tools for system portfolios using grid computing for data generation.
  • Produce system visualizations and mission CONOPs in tools like STK.
  • Coordinate with management and customers to enhance mission concepts and technologies.
  • Engage in software development and testing for mission planning applications.

Benefits

  • Values include Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
  • Comprehensive medical, dental, and vision insurance options.
  • 401(k) matching, flexible spending accounts, and flexible work schedules available.
  • Employee assistance programs and parental leave policies.
  • Opportunities for educational advancement and paid time off.
Full Job Description
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

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)
  • An active and transferable Top Secret U.S. government issued security clearance is required at the time of application for this position, with the ability to obtain special program access after start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.


Qualifications We Prefer
  • Advanced Degree in STEM (and can be considered as additional years of experience)
  • An understanding of vehicle conceptual design, advanced design methods, numerical optimization methods, and data analytics.
  • Experience in building physics-based models and choosing an appropriate fidelity for the questions being asked.
  • Highly self-motivated and independent work ethic. Ability to question data and address root cause issues.
  • Familiarity with Git version control and SLURM grid computing infrastructure.
  • Experience with Ansys STK


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!
  • 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.
  • This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm
  • Location: Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-location #LI-RH2


As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 132,400 USD - 251,600 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.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

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Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

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