Sr Principal Systems Engineer - Onsite
Date Posted:2026-05-07Country:United States of AmericaLocation:US-AZ-TUCSON- E Hermans Rd BLDG 805Position Role Type:Onsite U.S. Citizen, U.S. Person,...
Date Posted:
2026-05-07Country:
United States of AmericaLocation:
US-AZ-TUCSON- E Hermans Rd BLDG 805Position Role Type:
OnsiteU.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 clearanceSecurity Clearance Type:
DoD Clearance: Top SecretSecurity Clearance Status:
Active and existing security clearance required on day 1At 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.
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 Systems Engineer to support Raytheon's Advanced Technology organization. Join this highly visible team and perform highly technical assignments, directly contributing to protecting our nation and our warfighters. Advanced Technology incubates new and novel technologies and mission areas for the RTX business, captures new programs, and executes extremely unique special projects. The team welcomes you to join our tradition of excellence through innovation and collaboration.
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 various portfolio.
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.
-
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 programming languages such as Python, MATLAB, and/or C++, and familiarity with both Windows and Linux environments.
-
Experience in one or more of the following skill areas:
System performance, CONOPS
Algorithms and signal processing
Modeling and simulation (i.e., 6-DOF)
Active and transferable Top Secret U.S. government issued security clearance is required prior to start date 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!
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 maintenance employees, as they are essential to the development of our products.
Location: Tucson, AZ: ,-az-location
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.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.
Privacy Policy and Terms:
Click on this link to read the Policy and Terms
Below are some other jobs we think you might be interested in.
-
Senior Embedded Software Engineer
- Raytheon
- Tucson, Arizona 85701, United States
Full-TimeDate Posted: 2026-04-23 Country: United States of America Location: US-AZ-TUCSON- E Hermans Rd BLDG 805 Position Role Type: Onsite U.S. Citizen,...Jun 14 -
NonDestructive Test Engineer II
- Raytheon
- Tucson, Arizona 85701, United States
Full-TimeDate Posted:2026-03-26Country:United States of AmericaLocation:US-AZ-TUCSON-M E Hermans Rd BLDG M02Position Role Type:Onsite U.S. Citizen, U.S. Person,...Jun 15 -
Certified Registered Nurse Anesthetist (CRNA)
- Community Health Systems
- Tucson, Arizona 85701, United States
Full-TimeJob Description We are recruiting for 26-week CRNA's in the Tucson, AZ area at our Northwest Medical Center facility. Northwest Healthcare is the...May 27 -
Endocrinology Physician Assistant
- Community Health Systems
- Tucson, Arizona 85701, United States
Full-TimeJob Description Northwest Medical Center in Tucson, AZ is seeking a Physician Assistant for our Endocrinology practice. Highlights of Practice Hospital...Jun 03 -
Orthopedics Physician Assistant
- Community Health Systems
- Tucson, Arizona 85701, United States
Full-TimeJob Description Northwest Medical Center - Houghton in Tucson, AZ is seeking a Physician Assistant to join our Orthopedic Surgeryteam. Highlights of...Jun 08 -
Certified Registered Nurse Anesthetist (CRNA)
- Community Health Systems
- Sahuarita, Arizona 85629, United States
Full-TimeJob Description We are recruiting for CRNA's in the Sahuarita, AZ area at our Northwest Medical Center Sahuarita. CRNAs will be market based roles...May 27 -
Radiology - Neuroradiology Physician
- Veterans Health Administration
- Tucson, Arizona 85723, United States
Full-TimePhysician - The Southern Arizona VA Health Care System (SAVAHCS) is seeking a full-time Physician (Radiologist Diagnostic), who is skilled at or...Jun 18 -
Nurse Practitioner (NP)
- Titan Placement Group
- Tucson, Arizona 85701, United States
Full-TimeNurse Practitioner (NP)Titan Placement Group invites you to explore an opportunity in Tucson, AZ.Surrounded by the stunning Sonoran Desert and five...Jun 02 -
Neurology Physician Assistant
- ProTouch Staffing
- Tucson, Arizona 85701, United States
Full-TimePhysician Assistant (Neurology) - Tucson, AZ Protouch Healthcare Staffing is looking for Experienced Neurology (Nurse Practitioner or Physician...May 31 -
Assistant Store Manager (Bilingual)
- Community Choice Financial Family of Brands
- Tucson, Arizona 85710, United States
Full-TimeJob Description Your Opportunity: Assistant Store Manager TitleMax Tucson, AZAs an Assistant Store Manager (ASM), you'll support our customers through...Jun 15 -
Cardiology - Interventional Physician
- Tenet Healthcare
- Tucson, Arizona 85701, United States
Full-TimeCarondelet Medical Group, a leading provider of cardiac care in Southern Arizona, is actively recruiting a Board-Certified/Board-Eligible Interventional...May 29 -
Gastroenterology Physician
- BAS Healthcare
- Tucson, Arizona 85701, United States
Full-TimeLocation: Tucson, AZ Tucson offers a vibrant desert lifestyle with stunning mountain views, year-round sunshine, and rich cultural diversity. The...Jun 01 -
Urology Physician Assistant
- Summit Recruiting Group
- Tucson, Arizona 85701, United States
Full-TimeAdvanced Practice Provider Äî Neurology/Pain Management Tucson, AZFoothills of Tucson Äî Permanent Outpatient Position Position Details Full-time or...May 25 -
Family Practice/Primary Care Nurse Practitioner
- Optigy Group LLC
- Tucson, Arizona 85713, United States
Full-TimeNurse Practitioner/(APP) Tucson, AZ COMPENSATION: Salary $120k-$140k plus Incentive Bonus Role Description: Our APP provides equitable and effective...Jun 12 -
Traveling Dental Assistant - Nursing Home Care - Tucson, AZ
- Aria Care Partners
- Tucson, Arizona 85701, United States
Full-TimeDescription Aria Care Partners is the national leader in providing onsite dental, vision, hearing, and podiatry care to over 3500 long-term care and...May 23 -
Internal Medicine Physician
- Banner Health
- Tucson, Arizona 857479728, United States
Full-TimeExcellent opportunity for an Internal Medicine or Family Medicine physician to join our clinical faculty team with Banner University Medical Group. ...Jun 18 -
Physician / Dermatology / Arizona / Permanent / Dermatologist opening in Tucson, AZ - partnership opp Job
- Britt Medical Search
- Tucson, Arizona 85701, United States
Full-TimeSeeking BE/BC Dermatologist to join talented team in Tucson, AZ. The practice focuses on high quality medical and surgical dermatology which includes...Jun 06 -
Physician / Internal Medicine / Arizona / Permanent / Outpatient Internist opening in Tucson, AZ Job
- Britt Medical Search
- Tucson, Arizona 85701, United States
Full-TimeSeeking a BE/BC Internal Medicine Physician in beautiful Tucson, AZ. 100% outpatient primary care Hospital employed position Joining a...Jun 14 -
Obstetrics & Gynecology Physician
- Integrity Locums
- Tucson, Arizona 85701, United States
Full-TimeCoverage Needed Start Date: 06-01-2026 End Date: Ongoing 8 Days/month Schedule: 7am-7pm, possible beeper call 7pm-7am, possible 24 hr in-house...Jun 01 -
CDL-A Owner Operator - Must Own Class 8 Tractor
- Landmark Trucking Inc
- Tucson, Arizona 85701, United States
Full-TimeJob Description: Landmark Trucking: Driven by Dedication, Defined by Success Potential Annual Earnings $125,000.00 to $250,000.00 You get out what...Jun 17

