Sr Principal Systems Engineer - Onsite

Prattwhitney; Tucson (AZ); On-site; USD 132,400 - 251,600; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) match

Flexible work schedules

Paid time off

Job summary

Prattwhitney is looking for a skilled Systems Engineer in Tucson, AZ to support Raytheon’s Advanced Technology organization. Responsibilities include designing systems, performing mission analysis, and developing mission planning tools.

The ideal candidate will have over 10 years of relevant STEM experience, proficiency with programming languages, and an active Top Secret U.S. government security clearance. The position offers a competitive salary range of $132,400 – $251,600 USD.

Benefits include medical, dental, vision insurance, 401(k) match, and paid time off.

Qualifications

• Minimum 10 years of relevant STEM experience.
• Strong technical domain knowledge required.
• Highly self-motivated with an independent work ethic.

Responsibilities

• Design vehicles and size systems, optimizing trajectories.
• Analyze missions and collaborate with engineers for improvements.
• Develop mission analysis and planning toolsets.

Skills

Programming languages such as Python, MATLAB, C++

Systems Engineering

Mission Planning and Analysis

Guidance, Navigation and Control

Education

Degree in STEM (Science, Technology, Engineering or Mathematics)

Active and transferable Top Secret U.S. government‑issued security clearance

Tools

Ansys STK

Git version control

SLURM grid computing infrastructure

Job description

Overview

Raytheon’s Integrated Solutions Modeling and Architecture Directorate (ISMA) performs customer‑focused operational analysis, simulation, mission planning and architecture development. The Operations and Mission Analysis (Southwest) department seeks a Systems Engineer to support Raytheon’s Advanced Technology organization in Tucson, AZ.

Responsibilities

• Design vehicles and size systems, perform mission performance analysis, and optimize trajectories.
• Analyze notional missions and hardware for feasibility; collaborate with engineers across disciplines to improve models and understand performance drivers.
• Develop common mission analysis, performance analysis, and mission planning toolsets for a diverse portfolio.
• Utilize grid computing infrastructure to generate and analyze large datasets.
• Create visualizations of complex systems and mission CONOPs using STK or similar tools.
• Coordinate with product line management and customers; work closely with programs and AT leadership to develop concepts and mature technologies for new business development.
• Engage in IRAD funding pursuits and author intellectual property disclosures; contribute to mission planning application software development and testing.

Qualifications

• Minimum 10 years of relevant STEM experience and a degree in Science, Technology, Engineering or Mathematics.
• 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.
• Proficiency with programming languages such as Python, MATLAB, and/or C++; familiarity with Windows and Linux environments.
• Experience in system performance, CONOPS algorithms, signal processing, modeling and simulation (e.g., 6‑DOF).
• Highly self‑motivated with an 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.
• Advanced degree in STEM preferred; understanding of vehicle conceptual design and numerical optimization methods.

Security Clearance

• Active and transferable Top Secret U.S. government‑issued security clearance required prior to start date.
• U.S. citizenship mandatory; only U.S. citizens are eligible for a security clearance.
• Ability to obtain special program access after start.

Salary

$132,400 – $251,600 USD (good‑faith estimate for all experience levels).

Benefits

• Medical, dental, vision, life insurance, short‑term and long‑term disability.
• 401(k) match, flexible spending accounts, and employee assistance program.
• Parental leave, paid time off, holidays, and flexible work schedules where applicable.
• Annual short‑term and/or long‑term incentive compensation programs (dependent on level and collective‑bargaining agreement).

Equal Opportunity Employment

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. 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.