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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Hardware in the Loop (HWIL) Engineer (Job ID:4487) - **Company:** Valkyrie Enterprises, Inc. - **Location:** Huntsville, AL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Configuration Management, Software Debugging, Linux, PCI Express, Real-Time Operating Systems, Real Time Simulation, RTLinux, Simulink, Software Requirements Analysis, System Testing, Systems Integration, Test Execution Engine, Real Time Systems, Git, SC Clearance - **Published:** August 18, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/17978485?backUrl=%2Fcareer%2F17978485%2FSenior-Hardware-In-The-Loop-Hwil-Engineer-Job-Id-4487-Alabama-Huntsville ## About the Role * The ideal candidate has deep experience architecting HWIL environments, integrating weapon system hardware/software, and operating real time test executives within closed loop simulation frameworks., * Must have a Bachelor's degree in Software, Computer, Electrical, or similar Engineering field and at least 8+ years of experience in HWIL system design, real time simulation, or weapon system integration. * Must have demonstrated experience building and operating real time, closed loop HWIL environments. * Must be proficient with Linux and real time operating systems. * Must be fluent in C/C++ for real time applications. * Must have a strong background in system-level debugging across hardware and software. * Must have experience integrating test equipment, instrumentation, and high speed I/O devices. * Must have the ability to clearly document architectures, design decisions, and test results. * Must have excellent communication and collaboration skills. Desired Qualifications: * Experience with realtime test executives such as Simulink RT, Speedgoat, RTLinux variants, or custom frameworks, preferred. * Experience integrating missile or weapon system electronics, preferred. Familiarity with GDB, Git, VS Code, and kernellevel configuration and customization, preferred. * Experience leading multidisciplinary engineering teams, preferred. Security Requirements: * Must have an Active Secret clearance and the ability to maintain a clearance. Travel Requirements: * Occasional travel-less than 10%. * If position requires travel by domestic flight or access to secure federal facilities/military bases, candidate must be able to obtain (by start of position) and maintain appropriate identification credentials, such as REAL ID. (More information regarding REAL ID can be found: https://www.dhs.gov/real-id ) Physical Requirements: * Requirements consistent with office/administrative work. * Remaining in a stationary position, often standing, or sitting for prolonged periods. * Moving about to accomplish tasks or moving from one worksite to another. * Communicating with others to exchange information and repeating motions that may include the wrists, hands and/or fingers. Pre-Employment Requirements: Any offer of employment with Valkyrie Enterprises is contingent upon the successful completion of all applicable pre-employment requirements. Depending on the position, these may include a criminal background investigation, employment and education verification, pre-employment drug screening, driving record review, security clearance eligibility, government installation access, and any other customer or contract-specific requirements. Failure to successfully meet any required pre-employment condition may result in the withdrawal of the contingent offer of employment. ## Description * Valkyrie Enterprises has an immediate need for an Senior Hardware in the Loop (HWIL) Engineer to design, develop, integrate, and operate full Hardware in the Loop test systems supporting weapon system and component evaluation in our Huntsville, AL HWIL facilities., * Lead the design and architecture of complete HWIL systems, including simulation, real time control, I/O, instrumentation, and weapon system interfaces. * Define HWIL system requirements, interfaces, and integration strategies. * Integrate weapon system hardware, software, and laboratory test equipment with real time simulation and test execution environments. * Configure, operate, and maintain real time test executives for closed loop weapon system testing. * Select and integrate PCIe and other high speed I/O hardware into real time OS environments. * Develop and implement stimulation/emulation strategies for flight software, sensors, and guidance components. * Lead test planning, execution, data review, and performance assessment. * Diagnose system level hardware/software interoperability issues during HWIL operation. * Oversee lab configuration management, documentation, and safety practices. * Coordinate with cross disciplinary teams (systems, software, hardware, simulation, test) to ensure successful end to end HWIL capability. * Serve as a technical point of contact for customers, vendors, and government stakeholders. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)