Senior HIL Simulation & Test Automation Engineer

Liquid Robotics; Jessup (MD); On-site; USD 127,000 - 222,000; Full time

Job summary

Liquid Robotics in Jessup, MD is seeking a Simulation & Test Automation Engineer for a full-time role with three onsite days per week. You will build high-fidelity simulations and hardware-in-the-loop tests that verify complex systems across the product lifecycle.

The role requires 5+ years in simulation and HIL/test development, with experience integrating hardware and building automated CI/CD pipelines. Collaboration with DevOps, systems, software, and production teams is essential to improve

Qualifications

• Hands-on HIL integration and test equipment experience.
• Proficiency in programming languages such as C++, Java, Python.
• Experience with Git, GitLab CI/CD and local runners.
• Experience designing and developing simulations and automated test pipelines.
• Understanding of systems engineering, interfaces, test traceability, and verification/validation practices.
• Strong analytical, troubleshooting, communication, and cross-functional collaboration skills.
• U.S. Person status required.

Responsibilities

• Design and develop high-fidelity software simulations, models, stubs, and emulators.
• Integrate hardware including compute, sensors, actuators, interfaces, and test equipment into HIL environments.
• Troubleshoot communication and interoperability issues across CAN, SPI, TCP, Iridium, Cell, and WiFi interfaces.
• Translate system requirements and interface definitions into traceable integration, regression, and acceptance test cases.
• Design and maintain automated test frameworks, test harnesses, reusable test libraries, reporting pipelines, and diagnostics toolchains.
• Collaborate with DevOps to design, create and maintain CI/CD pipelines, including test orchestration, environment management, artifact handling, result publication, and pipeline reliability.
• Collaborate with systems, software, hardware, firmware, production and quality teams to investigate complex failures and improve product quality.

Skills

HIL integration

Simulation development

CI/CD pipelines

C/C++/Python

GitLab CI/CD

Systems engineering

Communication skills

Tools

GitLab CI/CD

Job description

Liquid Robotics in Jessup, MD is seeking a Simulation & Test Automation Engineer for a full-time role with three onsite days per week. You will build high-fidelity simulations and hardware-in-the-loop tests that verify complex systems across the product lifecycle.

The role requires 5+ years in simulation and HIL/test development, with experience integrating hardware and building automated CI/CD pipelines. Collaboration with DevOps, systems, software, and production teams is essential to improve