Senior Software Engineer, Simulation Workbench
Concurrent Real-Time is part of HBK’s Virtual Test Division, which focuses on providing real-time software, simulators, and hardware-in-the-loop solutions to virtually test products throughout the development cycle, helping companies accelerate innovation and reduce time-to-market, and improve their competitive advantage. With 250 highly skilled employees, HBK’s Virtual Test Division has offices in Germany, Italy, France, UK, China, Japan, and the USA as well as a broad network of worldwide channel partners. Concurrent Real-Time is the industry’s foremost provider of high-performance, real-time Linux software, hardware and professional services. Our mission is to be the leading provider of best-in-class real-time Linux solutions and support for time-critical applications, and to inspire technological advancements worldwide. For more than 50 years, we have been providing real-time solutions for mission-critical applications worldwide. With offices in 6 countries, our core competencies include:
- Real-time Linux and RTOS platforms engineered for deterministic, time-critical workloads
- X-in-the-Loop simulation: hardware-in-the-loop, man-in-the-loop, and AI-in-the-loop
- Custom engineered systems for aerospace and defense programs, from concept through fielded delivery
- High-speed data acquisition and signal conditioning
- High-performance visual systems and process control
- Low-latency signal processing
Concurrent Real-Time is currently seeking a full-time Senior Software Engineer for the Simulation Workbench team!
Must be a US citizen. Unable to hire dual citizens, green card holders, or visa holders for this position.
About the Role
We are looking for an experienced software engineer to take real ownership inside our Simulation Workbench (SimWB) product. SimWB is our real-time hardware-in-the-loop simulation platform, running on real-time Linux and driving a wide range of I/O hardware for customers in automotive, aerospace, and defense. This is a hands-on development role on a small team, which means you will own features end to end rather than a narrow slice: design, implementation, test, and the customer issues that come back. You will work closely with the team’s Principal Engineer to add features and functionality to the product.
What You’ll Do
- Design, implement, and test features across the SimWB product in a real-time Linux environment
- Develop and maintain I/O support for our own cards, including our FPGA cards, as well as for protocols such as EtherCAT, ARINC 429, MIL-STD-1553, CAN, and serial and Ethernet interfaces
- Debug issues that span software and hardware, using logic analyzers and lab equipment when the problem is not in the code
- Contribute to the SimWB release process, including build, validation, and packaging
- Support the Support and Applications Engineering teams on customer escalations in your areas of ownership
- Write and maintain the tests and documentation that keep your work maintainable by someone else
- Participate in design and code review, and help bring newer engineers up to speed
What We’re Looking For
- 5+ years of software development experience in a Linux environment
- Strong C and C++, with working knowledge of Java and Python
- Experience owning features from design through release, including the customer issues that follow
- Comfort working close to hardware, including reading datasheets and debugging software/hardware integration problems
- Scripting ability in Python or Bash for test and automation work
- Bachelor’s degree in Computer Science, Electrical Engineering, or equivalent experience
Nice to Have
- Experience with real-time systems, RTOS, or hardware-in-the-loop simulation
- Hands-on work with FPGA-based or custom I/O cards, device drivers, or embedded interfaces
- Familiarity with MATLAB and Simulink, or with model exchange standards such as FMI/FMU
- Java client or GUI development experience, including Swing or Qt
- Experience with Jenkins, Jira, and modern CI/CD practices
Compensation:
The pay range for this position is $110K - $120K annually plus 10% bonus. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Actual compensation will be dependent on factors, including but not limited to the individual’s qualifications, experience, knowledge, skills, and abilities, as well as physical work location within the state.
#LI-CW1
Skills Required
- Must be a US citizen; dual citizens, green card holders, and visa holders cannot be hired.
- 5+ years of software development experience in a Linux environment.
- Strong C and C++ skills, with working knowledge of Java and Python.
- Experience owning software features from design through release and subsequent customer support.
- Comfort working close to hardware, reading datasheets, and debugging software/hardware integration problems.
- Python or Bash scripting ability for testing and automation.
- Bachelor's degree in Computer Science, Electrical Engineering, or equivalent experience.
- Experience with real-time systems, RTOS, or hardware-in-the-loop simulation.
- Hands-on experience with FPGA-based or custom I/O cards, device drivers, or embedded interfaces.
- Familiarity with MATLAB, Simulink, FMI, or FMU model exchange standards.
- Java client or GUI development experience using Swing or Qt.
- Experience with Jenkins, Jira, and modern CI/CD practices.
HBK - Hottinger Brüel & Kjær Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about HBK - Hottinger Brüel & Kjær and has not been reviewed or approved by HBK - Hottinger Brüel & Kjær.
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Leave & Time Off Breadth — Time off is portrayed as generous, including PTO and paid holidays, with mentions of four weeks of vacation for new U.S. hires.
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Healthcare Strength — Core health coverage is present, including medical and dental plans, with HSA options noted in some U.S. contexts.
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Parental & Family Support — Parental leave is highlighted positively, with maternity and paternity leave called out as a strength in multiple public materials.
HBK - Hottinger Brüel & Kjær Insights
What We Do
Hottinger Brüel & Kjær was founded in 2019, when HBM and Brüel & Kjær merged their activities into a new company. Both companies are market leaders in their respective disciplines – Brüel & Kjær in sound and vibration and HBM in reliability, durability, propulsion efficiency and weighing. Together, they cover the complete product physics domain. In technical terms, Brüel & Kjær is the frequency domain expert and HBM the time domain expert. HBK helps its customers reduce time-to-market by simultaneously performing tests, retrieving and analyzing data, aiding decision-making








