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Sr. Systems Engineer - Modeling Simulation & Analysis Engineer

Job in Tucson, Pima County, Arizona, 85718, USA
Listing for: Segment (Twilio)
Full Time position
Listed on 2026-07-20
Job specializations:
  • Engineering
    Systems Engineer, Aerospace / Aviation / Avionics
Salary/Wage Range or Industry Benchmark: 86800 - 165200 USD Yearly USD 86800.00 165200.00 YEAR
Job Description & How to Apply Below

Sr. Systems Engineer - Modeling Simulation & Analysis Engineer

Location:

Tucson, AZ. Onsite role.

What You Will Do
  • Create high-fidelity simulations and models for missile design, performance assessment, and flight test support.
  • Develop and implement modeling solutions, conduct trade studies, and evaluate system and subsystem performance.
  • Work in a team environment, receiving input from supervisors and providing guidance to other members.
  • Collaborate with Guidance, Navigation & Control (GNC), Signal Processing, and other performance personnel to perform simulation activities according to the program schedule.
  • Develop approaches and solutions across the product lifecycle from initial concept to fielded product.
  • Provide technical expertise for the simulation products of a specific program and assist Senior Modeling Engineers in preparing detailed plans; may interact with government counterparts as an authority on simulation products.
Qualifications
  • Bachelor’s degree in Engineering, Science, Physics, Mathematics, or a related STEM field plus a minimum of 5 years of relevant experience.
  • Experience applying object-oriented software design and programming in C or C++.
  • Experience using Python or MATLAB for data-set evaluation.
  • Experience modeling or simulating physical systems.
  • Experience 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 required.
Preferred Qualifications
  • Advanced degree in Engineering, Science, Mathematics, or related STEM field.
  • Experience applying applied system engineering principals, teamwork, and interfacing with multiple engineering disciplines.
  • Experience creating and 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 using Unix/Linux workstations and software configuration management tools such as Git.
  • Coursework or experience in radar, signal & image processing, radar and/or EO/IR models, digital communications, probability & statistics, linear algebra, estimation theory, optimal control, system architecture, inertial navigation, guidance theory.
Other Requirements

U.S. citizenship is required. Security clearance:
DoD Secret. Ability to obtain federal security clearance is required before start date.

Benefits and Compensation

Salary range: $86,800–$165,200.

Benefits include medical, dental, vision, life insurance, disability coverage, 401(k) match, flexible spending accounts, employee assistance program, parental leave, paid time off, and holidays. Additional incentives may apply based on business and compensation plans.

Equal Opportunity Statement

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other protected class. RTX provides affirmative action for qualified individuals with a disability and protected veterans in accordance with applicable law.

Other Information

Relocation assistance available. This role is U.S.

-based and requires onsite work in Tucson, AZ.

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