Find work in the United States.

A simpler way to find your next job.

Jobs in the United States

25+ jobs

Save this search

Added 26 mins ago
Customer Engineer IV, Data Management, North America, Google Cloud
Google
Atlanta, GA
Share Customer Engineer IV, Data Management, North America, Google Cloud
Added 34 mins ago
PN
Lead Machine Learning Engineer IV
Pacific Northwest National Laboratory
Richland, WA · Seattle, WA
- $166,800 USD / year
PNNL is seeking a Lead Machine Learning Engineer to lead the development and evolution of software that brings emerging research methods into sponsor environments. You will work with…
Added 1 hour ago
ES
EverHealth - Lead Forward Deployed Engineer (Remote, US)
EverCommerce Solutions Inc.
Remote, United States
- $170,000 to $200,000 USD / year
We are looking for a Lead Forward Deployed Engineer IV to join EverHealth’s revenue cycle management (RCM) team. RCM is at the heart of how our customers get paid, and we are building a new…
Added 4 hours ago
Senior Electrical System Engineer – Payloads - $20K Sign On Bonus
BAE Systems
Westminster, CO
…evolving capabilities in space payloads. As an electrical system engineer, you will work with a team of electrical engineers through the program life cycle to develop electronic products…
Added 5 hours ago
Sr. Mechanical Design Engineer, Consumer Hardware (Starlink)
SpaceX
Bastrop, TX
…allow users to connect within minutes of unboxing, and the software that brings it all together. We’ve only begun to scratch the surface of Starlink’s potential global impact and are…
Added 7 hours ago
Lead Software Engineer - Machine Learning Platform Team
Grainger Businesses
CHICAGO, IL
As a Lead Software Engineer (Software Engineer IV), you will develop applications that align with a strategic vision. In addition to coaching engineers, you will partner with key…
Added 8 hours ago
Software Assurance Engineer IV
California Institute Of Technology Jet Propulsion Laboratory
United States
Bachelor degree in Software Engineering, Computer Science, Cyber Security, Cyber Defense, Mathematics, Aerospace Engineering or similar technical discipline with typically a minimum of 9…
Added 9 hours ago
Senior HW Test Engineer
Rivian
Palo Alto, CA
Added 10 hours ago
Electrical Design Engineer IV
Axiom Space
United States
…mission-driven team is seeking a bold and dynamic Electrical Design Engineer Level 4 who is fueled by high accountability, execution horsepower, and driven to understand our world,…
Added 10 hours ago
RA
Senior Platform Integration Engineer
Rivian and Volkswagen Group Technologies
Palo Alto, CA · Irvine, CA
- $146,900 to $201,950 USD / year
As a test-focused Platform Integration Engineer on the Connectivity and Infotainment software team at Rivian and Volkswagen Group Technologies, you will own the end-to-end BSP test and…
Added 11 hours ago
RA
Staff Simulation Engineer, Physics Engineer
Rivian and Volkswagen Group Technologies
Irvine, CA
- $171,100 to $226,740 USD / year
…vehicles through technology that will set the standards for software-defined vehicles around the…
Added 11 hours ago
Electrical Design Engineer IV
Axiom Space
United States
…mission-driven team is seeking a bold and dynamic Electrical Design Engineer Level IV who is fueled by high accountability, execution horsepower, and driven to understand our world,…
Added 12 hours ago
SC
Systems Engineer IV - Design
SmartTech Contracting LLC
Remote, United States
- $99,750 to $120,225 USD / year
The Systems Engineer IV – Design provides technical support and leadership to plan, schedule, and execute design document deliverables for building automation system (BAS), electrical power…
Added 12 hours ago
Staff Security Engineer, Detection Engineering
CoreWeave
Bellevue, WA
As a Staff Detection & Response Engineer & Team Lead at CoreWeave, you will drive the strategic vision, technical architecture, and execution of our threat detection and response…
Added 12 hours ago
TWT Project Engineer
Stellant Systems
Torrance, CA
Stellant Systems Inc. (Stellant) currently has an opportunity for an onsite Project Engineer to join the Space Traveling Wave Tube (TWT) group at our Torrance, California location.…
Added 14 hours ago
Senior Power Electronics Engineer
Space Kinetic
El Segundo, CA
As a Senior Power Electronics Engineer, you will own the design, development, integration, and testing of power electronics and electrical power systems for Space Kinetic's payload and…
Added 14 hours ago
Senior Motor and Power Controls Engineer
Space Kinetic
El Segundo, CA
As a Senior Power Electronics Engineer, you will own the design, development, integration, and testing of power electronics and electrical power systems for Space Kinetic's payload and…
Added 20 hours ago
AWS Cloud Engineer IV
IGH ICW GROUP HOLDINGS, INC.
San Diego, CA
The purpose of the AWS Cloud Engineer IV is to design, implement, and maintain cloud infrastructure systems using Amazon Web Services (AWS). This position will play a crucial role in…
Added 21 hours ago
DN
Cybersecurity System Engineer-306341
Delaware Nation Industries
Alexandria, VA
- $140,000 to $145,000 USD / year
Systems Integration Engineer IV is responsible for the design, development, and implementation of security and monitoring technology solutions in support of a federal agency's…
Added 1 day ago
Electrical Hardware Engineer, AI Satellites (Starmind)
SpaceX
Bastrop, TX
…the intersection of electrical, mechanical, thermal analysis, software, and networking engineering that enables orbital compute capability. Challenges range from high-speed digital…
Added 1 day ago
Sr. Full Stack Engineer, Fight Software
SpaceX
Hawthorne, CA
Sr. Software Engineer: $165,000.00 - $230,000.00/per year
Added 1 day ago
Sr. Full Stack Software Engineer, Manufacturing Systems
SpaceX
Bastrop, TX
The application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and…
Added 1 day ago
Sr. Full Stack Software Engineer
SpaceX
Bastrop, TX
The application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and…
Added 1 day ago
Full Stack Software Engineer, Manufacturing Systems
SpaceX
Bastrop, TX
The application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and…
Added 1 day ago
Full Stack Software Engineer, Internal Platforms
SpaceX
Starbase, TX · Brownsville, TX
The application software team is the central nervous system of SpaceX – we create mission critical applications that are used throughout SpaceX to accelerate launch vehicle production and…

Voyager Technologies, Inc.

Modeling & Simulation Systems Engineer IV

Folsom, CA, United States

$125,700 - $173,700 USD

Apply About employer

Applications open in a new tab.

Job details

Pay: $125,700 - $173,700 USD
Education: Bachelor’s degree
Experience: 7–10 years of experience in modeling, simulation, control systems, or estimation algorithm development in aerospace or defense industries
Posting language: English
Posted: Oct 28, 2026

Original job description

Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space.

Forge the Future: Join Voyager Technologies

The future belongs to those who build it. At Voyager Technologies, we’re building technologies that protect lives, expand frontiers and prepare us for what’s next. And we’re doing that with people who are wired to solve, build, adapt and lead. These roles are not for the faint of heart.

You’ll help lay the foundation for humanity's future. Join a culture where innovation thrives, curiosity is rewarded, and impact is real. We’re a company of doers, thinkers and builders, united by purpose and grounded in reality.

If you want to put your skills to work where the stakes are real and the mission is bigger than any one person, forge the future with Voyager.

Job Summary:

The Level IV Modeling, Simulation, and Controls Engineer contributes to the design, development, and analysis of control systems and simulation architectures in support of propulsion and aerospace systems. This position supports program execution through high-fidelity modeling, algorithm development, and performance assessments. The engineer applies domain expertise in solid rocket motors and controllable solids technologies to model system behavior and contribute to design maturity and program success. This role requires increasing independence and technical ownership, working closely with other engineering disciplines, project teams, and customers.

Responsibilities:

Develop high-fidelity models and control algorithms for propulsion, flight control, and guidance subsystems
Support creation of system simulation architectures to enable design iteration, verification, and validation
Perform controllability studies of dynamic systems to assess system behavior under perturbations and control strategies
Define control system topologies and support gain tuning methodology across various architectures
Support program performance engineering through requirement derivation, margin analysis, and performance trade studies
Conduct system-level performance assessments using Monte Carlo, sensitivity, and parametric studies
Apply physics-based modeling to develop representative simulations of mechanical, thermal, and aerodynamic systems
Contribute to ballistics modeling and propulsion system performance analysis for solid rocket motors
Develop and validate models of actuation systems for propulsion control systems and dynamic mechanisms, supporting integration into closed-loop control architectures and performance assessments.
Aid customers in developing mission CONOPS and requirements thru propulsion system modeling and controls design
Develop and implement estimation techniques to improve model accuracy and system insight
Extend modeling capability in state-space and modern control methods
Support simulation and analysis of flight vehicle control behavior for propulsion concept evaluation
Contribute to modeling and simulation planning for new programs and R&D initiatives
Collaborate with multidisciplinary teams (GNC, software, systems, test) to ensure integration of modeling products
Participate in customer engagements, technical reviews, and milestone events (SRR, PDR, CDR)
Mentor junior engineers and support peer reviews of modeling and controls work products
Author technical documents including model reports, simulation plans, interface definitions, and configuration records
Ensure simulation models meet program requirements for verification, validation, and traceability
Support technical trade studies and concept maturation of control and propulsion systems

Required Qualifications:

Must have or be able to obtain and maintain an active DoD Secret Clearance
Demonstrated ability to lead engineering tasks across lifecycle phases - from requirements through verification and delivery
Strong systems thinking and ability to work across functional boundaries
Effective leadership, collaboration, and interpersonal skills with a mission-driven mindset
Solid technical foundation in modeling, control systems, and dynamic system behavior
Ability to interface with DoD customers and support team decision-making on complex technical problems
Commitment to technical rigor, quality execution, and continuous improvement
Skilled in stakeholder engagement, technical risk identification, and collaborative problem solving

Experience:

7–10 years of experience in modeling, simulation, control systems, or estimation algorithm development in aerospace or defense industries
Strong background in dynamic system modeling, control system design, and simulation infrastructure
Experience in propulsion modeling, including solid rocket motors and controllable solids performance
Working knowledge of physics-based modeling for mechanical, thermal, and aerodynamic subsystems
Demonstrated experience contributing to complex program deliverables and technical reviews
Prior experience with Department of Defense (DoD), MDA, or equivalent government programs preferred

Education:

Required: Bachelor’s degree in systems engineering, aerospace engineering, mechanical, electrical engineering, or related STEM field from an accredited college/university
Preferred: Master’s degree in systems engineering or a related discipline is desirable and may substitute for 1 year of experience from an accredited college/university

Skills:

Proficient in MATLAB/Simulink, Python, or equivalent modeling and control toolchains
Strong understanding of classical and modern control techniques, including state-space control
Competence in verification and validation of models and their use within broader system architectures
Capable of physics-based modeling and multi-domain simulation development
Experience in propulsion system modeling and basic ballistics performance assessments
Ability to generate SysML diagrams of product structure, product behavior, technical logic, engineering process, and test execution
Clear and effective communicator in both technical documentation and verbal presentations
Strong time management and collaboration skills in a multi-program environment

Others:

Ability to travel up to 10% for technical reviews, tests, or customer engagements
Comfortable working in secure or classified environments
Self-motivated and adaptable in a fast-paced, high-accountability development setting
Committed to advancing aerospace modeling and control capabilities in national defense

Please click “Apply” to submit your application.

Voyager offers a comprehensive, total compensation package, which includes competitive salary, a discretionary annual bonus plan, paid time off (PTO), a comprehensive health benefit package, retirement savings, wellness program, and various other benefits. When you join our team, you’re not just an employee; you become part of a dynamic community dedicated to innovation and excellence.

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

Voyager is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.

Minority/Female/Disabled/Veteran

The statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements. This job description is not an employment agreement or contract. Management has the exclusive right to alter the scope of work within the framework of this job description at any time without prior notice.

California pay range

$125,700 - $173,700 USD

Apply About employer

More about this job

Skills

Control systems
Estimating
Systems thinking
Leadership
Collaboration
Interpersonal skills
Decision making
Process improvement
Stakeholder management
Problem solving
Aerospace engineering
Electrical engineering
The MathWorks MATLAB
Python
Documentation
Presentation skills
Time management
Adaptability
Contract management

Report this job