Sr. Systems Engineer - Modeling Simulation Analysis Engineer

Position:
Senior Systems Engineer – Modeling, Simulation & Analysis (Onsite, Tucson, AZ). This role participates in multi‑disciplinary work with Guidance, Navigation & Control, Signal Processing, and missile‑sensor performance simulations.

• Create high‑fidelity simulations and models for missile design, performance assessment, and flight test support.
• Develop and implement modeling solutions, and conduct trade studies and evaluations of system and subsystem performance.
• Work in a team environment, receiving input from supervisors and providing guidance to other team members.
• Collaborate with GNC, Signal Processing, and other performance personnel to perform simulation activities aligned with program schedules.
• Develop approaches and solutions across projects, providing development guidance from concept through fielded product.
• Provide technical expertise for simulation products of a specific program and assist senior modeling engineers in preparing detailed plans, interacting with government counterparts as needed.

• Bachelor’s degree in Engineering, Science, Physics, Mathematics, or related STEM discipline and a minimum of 5years of relevant experience.
• Experience applying object‑oriented software design and programming in C or C++.
• Experience using Python or MATLAB for evaluating data sets.
• Experience modeling or simulating physical systems, and in modeling, simulation, statistics, and/or analysis for engineering solutions.
• Ability to obtain an interim Secret U.S. government‑issued security clearance prior to start date.
• U.S. citizenship (only U.S. citizens are eligible for a security clearance).

• Advanced degree in Engineering, Science, Mathematics, or related STEM discipline.
• Experience with applied systems engineering principles and teamwork across multiple disciplines.
• Experience presenting technical briefings.
• Experience developing signal processing/GNC algorithms or models for missile applications.
• Experience with control hardware design/test and/or hardware/software integration.
• Experience modeling physics or flight dynamics.
• Experience with UNIX/Linux workstations and software configuration management tools such as Git.
• Coursework or experience in radar, signal & image processing, radar/EO/IR environment models, digital communications, probability & statistics, linear algebra, estimation theory, optimal control, system architecture, inertial navigation, guidance theory.

• Medical, dental, vision, life insurance, and other standard benefit packages.
• Short‑term and long‑term disability insurance.
• 401(k) with company match and flexible spending accounts.
• Employee assistance program, parental leave, paid time off, holidays.
• Annual incentive compensation programs (variable based on position and business unit).
• Relocation assistance available.

Salary range: $86,800 – $165,200. Benefits are commensurate with position and may be adjusted for location, collective bargaining agreements, or business needs.

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.