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Sr Guidance, Navigation and Control Engineer

Job in Lone Tree, Douglas County, Colorado, 80124, USA
Listing for: Sierra Nevada Corporation
Full Time position
Listed on 2026-09-02
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Systems Engineer, Test Engineer
Salary/Wage Range or Industry Benchmark: 143000 - 197000 USD Yearly USD 143000.00 197000.00 YEAR
Job Description & How to Apply Below
  • Modern, collaborative campus environments (location specific)

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Senior Guidance, Navigation and Control (GN&C) Engineer, you will serve as a technical authority in the design, development, and testing of cutting‑edge GN&C systems. You will oversee multiple projects, drive innovation, and mentor engineering teams to ensure the success of aerospace systems.

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high‑performance ISR and aviation systems. Its end‑to‑end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4

ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations – with an unrivaled record of on time and on (or under) budget deliveries.

What You’ll Be Doing
  • Provide technical leadership for the design, development, and integration of GN&C algorithms and flight control software.
  • Develop Simulink models to support flight controls development, vehicle dynamics, and linear/non‑linear simulation analysis.
  • Lead and coordinate multi‑disciplinary engineering teams throughout the lifecycle of air vehicle development.
  • Architect inner‑ and outer‑loop control laws and create advanced control algorithms for both crewed and uncrewed aircraft.
  • Oversee end‑to‑end simulation campaigns, validation testing, and Hardware‑in‑the‑Loop (HIL) test activities.
  • Serve as a subject matter expert in design reviews, program milestones, and technical discussions with leadership and customers.
  • Develop and implement GN&C best practices, standards, and processes across the engineering organization.
  • Generate clear, comprehensive reports documenting simulation results, test outcomes, trade studies, and alternatives analyses.
  • Build strong relationships with clients, suppliers, and industry partners to drive collaboration and technical excellence.
  • Identify opportunities for innovation, optimization, and continuous improvement across algorithms, models, and workflows.
Must‑Have Qualifications
  • Bachelor’s degree in Aerospace Engineering, Electrical Engineering, Mechanical Engineering, or related field.
  • Typically 10+ years of relevant GN&C, flight controls, simulation, or aerospace engineering experience. Higher‑level degrees may substitute for experience.
  • Deep understanding of engineering fundamentals, vehicle dynamics, stability, and control systems.
  • Advanced experience with Computer‑Aided Engineering tools, analysis, and simulation environments.
  • Proficiency with MATLAB/Simulink for model development, control law design, and simulation analysis.
  • Experience working within multi‑disciplinary design and development teams.
  • Ability to obtain and maintain a Secret U.S. Security Clearance.
Preferred Qualifications
  • Master’s degree or Ph.D. in Aerospace Engineering or a related field.
  • Experience with system modeling tools such as MATLAB/Simulink, STK, or Free Flyer.
  • Background designing flight control laws for unmanned or optionally piloted aircraft systems.
  • Knowledge of MIL‑STD‑1797B (Flying Qualities of Piloted Aircraft).
  • Experience performing HIL testing of integrated flight control systems.
  • Prior support of aircraft flight testing or vehicle performance evaluations.
  • Experience with aerospace vehicles, sensor suites, actuation systems, and mission‑level GN&C.
  • Familiarity with model‑based definition, parametric design, and orbital or flight mechanics.
  • Demonstrated success leading baseline definition, integrated trade studies, and maturation of complex systems.
  • Professional background in the Aerospace & Defense industry.
Why You’ll Love Working Here
  • 3 weeks paid time off, flex‑time options, and development opportunities
  • Leadership training, mentorship programs, and education reimbursement
  • Exclusive company events and a supportive team culture
  • Modern, collaborative campus…
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