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OKSI · 14 hours ago

Guidance, Navigation, & Control Engineer (GNC)

St. Petersburg, FL

Full-time

Onsite

Mid Level

OKSI is focused on advanced autonomous systems, and they are seeking a GNC Engineer to support the design, integration, testing, and flight validation of these systems. The role involves developing GNC algorithms, configuring autopilots, conducting performance analysis, and supporting flight tests and data analysis.

AerospaceInformation TechnologyRemote SensingSensorSoftware

No H1B

U.S. Citizen Only

Responsibilities

Design, implement, and tune GNC algorithms for autonomous and semi-autonomous vehicles, including: UAVs (fixed-wing, rotary-wing, VTOL), Precision-guided munitions and seekers, Small, high-dynamics aerospace vehicles

Configure, integrate, and tune autopilots (commercial, open-architecture, or custom flight controllers) across multiple vehicle classes

Develop and analyze control laws, guidance strategies, and navigation filters to meet performance, stability, and robustness requirements

Configure flight control architectures including: Inner-loop attitude and rate control, Outer-loop velocity, position, and guidance control

Tune controllers for performance across the operational envelope, accounting for: Aerodynamic uncertainties, Actuator limits and saturation, Sensor noise, bias, and latency

Support integration of IMUs, GPS/GNSS-denied navigation, seekers, and auxiliary sensors

Develop and maintain 6-DOF vehicle models incorporating: Aerodynamics, Mass properties, Actuator and sensor models

Perform aerodynamic performance analysis and sensitivity studies

Build and execute Monte Carlo simulations to assess dispersion, miss distance, robustness, and system margins

Support trade studies and design decisions using quantitative simulation results

Design, implement, and maintain Software-In-the-Loop (SIL) and Hardware-In-the-Loop (HIL) test environments

Integrate real flight software, avionics, and sensors into simulation frameworks

Diagnose discrepancies between simulation, HIL, and flight results

Support bench testing, captive-carry tests, and flight tests

Support ground and flight test planning, execution, and post-test analysis

Analyze flight data to assess: Stability and control performance, Guidance behavior and tracking accuracy, Navigation performance and sensor fusion

Identify anomalies, root causes, and corrective actions

Iterate designs based on test results and operational feedback

Produce clear, disciplined engineering documentation, including: GNC requirements and design descriptions, Simulation and test plans, Test reports and performance summaries

Work within DoD and aerospace engineering best practices, including configuration control and traceability

Support technical reviews (SRR, PDR, CDR, TRR, FRR)

Qualification

GNC algorithmsAutopilot configurationModelingSimulationFlight test analysisC++ developmentMATLAB/SimulinkRigid-body dynamicsControl theoryState estimationData analysisCommunication skills

Required

Design, implement, and tune GNC algorithms for autonomous and semi-autonomous vehicles, including UAVs (fixed-wing, rotary-wing, VTOL), precision-guided munitions and seekers, small, high-dynamics aerospace vehicles

Configure, integrate, and tune autopilots (commercial, open-architecture, or custom flight controllers) across multiple vehicle classes

Develop and analyze control laws, guidance strategies, and navigation filters to meet performance, stability, and robustness requirements

Configure flight control architectures including inner-loop attitude and rate control and outer-loop velocity, position, and guidance control

Tune controllers for performance across the operational envelope, accounting for aerodynamic uncertainties, actuator limits and saturation, sensor noise, bias, and latency

Support integration of IMUs, GPS/GNSS-denied navigation, seekers, and auxiliary sensors

Develop and maintain 6-DOF vehicle models incorporating aerodynamics, mass properties, actuator and sensor models