Senior Systems Engineer - Modeling & Controls (Propulsion)

Voyager Technologies, Inc.; Folsom (CA); On-site; USD 126,000 - 174,000; Full time

Benefits offered by this job

Discretionary annual bonus

PTO

Health benefits

Retirement savings

Wellness program

Job summary

Voyager Technologies, Inc. seeks a Level IV Modeling, Simulation, and Controls Engineer to advance propulsion and aerospace systems through high-fidelity modeling, algorithm development, and performance assessments.

You will apply solid rocket and controllable solids expertise to model behavior and support design maturity with increasing technical ownership. The role requires collaboration across disciplines and with customers, including iterative design, verification, validation, and program

Qualifications

• Active DoD Secret Clearance required or able to obtain.
• Lead engineering tasks across lifecycle from requirements to delivery.
• Strong systems thinking and cross-functional collaboration.
• Leadership with a mission-driven mindset.
• Solid modeling, control systems, and dynamic behavior foundation.
• Interface with DoD customers for complex technical decisions.
• Commitment to technical rigor and quality.
• Stakeholder engagement and risk identification.

Responsibilities

• Develop high-fidelity models and control algorithms for propulsion and flight control.
• Create system simulation architectures for design iteration, verification, and validation.
• Perform controllability studies and assess system behavior under perturbations.
• Define control topologies and tune gains across architectures.
• Support performance engineering via requirements, margins, and trade studies.
• Conduct system-level performance with Monte Carlo, sensitivity, and parametric studies.
• Apply physics-based modeling for mechanical, thermal, and aerodynamic subsystems.
• Contribute to ballistics modeling and propulsion analysis for solid rocket motors.
• Develop models for actuation systems in closed-loop control.
• Assist customers in mission CONOPS and propulsion requirements.
• Develop estimation techniques to improve model accuracy.
• Extend modeling in state-space and modern control methods.
• Support simulation and analysis of flight vehicle control.
• Collaborate with GNC, software, systems, and test teams.
• Participate in customer engagements and technical reviews.
• Mentor junior engineers and review modeling work.
• Author technical documents including reports and plans.
• Ensure models meet verification, validation, and traceability.
• Support trade studies and concept maturation.

Skills

Modeling

Control systems

Monte Carlo analysis

State-space control

SysML diagrams

MATLAB/Simulink

Python

Cross-functional collaboration

DoD customer interfacing

Education

Bachelor’s in systems engineering

Aerospace/mechanical/electrical ENG

Master’s (desirable)

Tools

MATLAB/Simulink

Python

SysML

Job description

Voyager Technologies, Inc. seeks a Level IV Modeling, Simulation, and Controls Engineer to advance propulsion and aerospace systems through high-fidelity modeling, algorithm development, and performance assessments.

You will apply solid rocket and controllable solids expertise to model behavior and support design maturity with increasing technical ownership. The role requires collaboration across disciplines and with customers, including iterative design, verification, validation, and program