> Markdown version of [/jobs/ext/4620200-digital-twin-payload-modeling-engineer](https://www.wearedevelopers.com/jobs/ext/4620200-digital-twin-payload-modeling-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Digital Twin/Payload Modeling Engineer

- **Company:** Everforth Apex
- **Location:** El Segundo, CA, United States
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Code Review, Concurrent Computing, Continuous Integration, Data Transmissions, Firmware, Field-Programmable Gate Array (FPGA), Software Architecture, Real Time Simulation, Software Engineering, Software Requirements Analysis, Digital Twin, Multithreading, Application Specific Integrated Circuits, Information Technology, Modeling and Simulation
- **Published:** November 7, 2026
- **Apply:** https://www.dice.com/job-detail/a507d448-a644-4137-b9e1-50410b36e0e8

## About the Role

Education: Bachelor's degree or higher in Engineering, Computer Science, or a related technical discipline.

Experience: Demonstrated background in systems engineering with a focus on architecting digital models of satellite payloads for system-level simulators.

Technical Skills: Proficiency with satellite digital payloads, digital communications, and modeling and simulation technologies. Experience with or working knowledge of concurrent computing, multi-threaded applications, and multi-process software development. Strong understanding of FPGA, ASIC, processor, and digital subsystem behaviors.

Preferred Qualifications

 * Background in Systems Engineering Integration and Test (SEIT) or payload systems engineering.
 * Familiarity with software architecture or software development practices.
 * Experience working within real-time simulation environments.

## Description

Our organization is seeking a highly skilled engineer to specify, architect, design, and qualify real-time satellite payload models integrated into system-level simulators. This position offers an opportunity to create innovative solutions and support multiple software-based projects in a rapid, agile CI/CD environment using modern technologies and tools. The ideal candidate possesses strong systems engineering and integration capabilities alongside familiarity with software development, thriving in collaborative, multi-disciplinary team environments., * Execute full life-cycle development activities, including requirements definition, analysis, software architecture, detailed design, code reviews, test plan and procedure development, test result reviews, and qualification.

 * Perform system-level Concept of Operations (CONOPS) development, functional analysis, and decomposition for software-only simulators.
 * Translate physical and digital payload functionality into high-fidelity modeling and simulation environments.
 * Understand system and component behaviors to map them accurately into the simulation space.
 * Interface with a diverse user community and multi-disciplinary product teams, including systems, hardware, firmware, and software engineers.
 * Work independently and collaboratively to complete trade studies and detailed designs.
 * Deliver innovative, high-impact solutions to complex technical challenges.