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Substation Engineer
Actalent
San Diego, CA
- $58 to $78 USD / hour
Are you a Substation Engineer looking to work on high-impact utility infrastructure projects while advancing your technical and leadership skills?Join a nationally recognized engineering…
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Hardware Engineer
Actalent
Winamac, IN
- $80,000 to $120,000 USD / year
Job Title: Hardware EngineerJob DescriptionThis role is an experienced electrical hardware engineering position focused on the design, development, and release of electronic hardware used…
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Director, Critical Environments - Engineering
Cushman & Wakefield
Creve Coeur, MO
The Director of Critical Environments- Engineering is a member of the Corporate Critical Environments/Data Center central SME team and is responsible for providing subject matter expertise…
Added 1 min ago
MC
Spacecraft RF Engineer
Motive Companies
Santa Monica, CA
- $150,000 to $190,000 USD / year
Bachelor's or advanced degree in Electrical Engineering, Aerospace Engineering, or a related field.
Added 1 min ago
MC
Spacecraft PCB Design Engineer
Motive Companies
Santa Monica, CA
- $140,000 to $175,000 USD / year
Motive Workforce is seeking an experienced Spacecraft PCB Design Engineer to support the development, integration, and testing of electrical hardware for spacecraft programs in Los Angeles.
Added 1 min ago
Spacecraft Lead AI&T Engineer
Motive Companies
Santa Monica, CA
We are seeking a Spacecraft Lead AI&T Engineer to lead the mechanical assembly, integration, and testing of spacecraft hardware. This is a full-time, in-office position for an experienced…
Added 5 mins ago
Test Systems Development Engineer I
St. Jude Medical, Cardiology Division, I
MA
The Test Systems Development Engineer I develops automated test systems, fixtures, equipment, and methodologies to support the research, development, characterization, and verification of…
Added 7 mins ago
Durability Engineer
Stellantis
Chelsea, MI
Minimum of a Bachelor of Science in Mechanical, Electrical or Computer Engineering or related degree
Added 9 mins ago
Machine Learning Engineer
Apple
Cupertino, CA
B.S., M.S., or Ph.D. degree in Computer Science, Electrical Engineering, or a related field.
Added 9 mins ago
Engineer I (Maintenance / Rooms Call) Overnight
at Marriott
Sarasota, FL
…the remaining categories: air conditioning and refrigeration, electrical, mechanical, plumbing, pneumatic/electronic systems and controls, carpentry and finish skills, kitchen equipment,…
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Mechanical Engineer
Waters Corporation
Milford, MA
Waters is seeking a Reliability Engineer II to join the Milford Operations Engineering organization. The Reliability Engineering (REL) Team is responsible for ensuring robustness and…
Added 10 mins ago
Project Engineer IV - Substation
Booth and Associates
Charlotte, NC
Minimum Qualifications: B.S. degree in Electrical Engineering required. Eight plus years of applicable experience required. Licensed Professional Engineer.
Added 10 mins ago
Sr. System/Test Validation Engineer
Advanced Micro Devices, Inc
Austin, TX
AMD’s Product Development Engineering team is seeking an experienced Test Engineer to support our Data Center Accelerated Computing products. In this role, you will develop and deploy…
Added 10 mins ago
Package Design Engineer
Google
Sunnyvale, CA
Bachelor's degree in Mechanical Engineering, Material Engineering, Electrical Engineering, Technology, Science, a related field, or equivalent practical experience.
Added 11 mins ago
Sr. Product Development Engineer - Product Operations
Advanced Micro Devices, Inc
Secaucus, NJ
AMD is seeking a Product Development Engineer, Product Operations to join our Datacenter Platform Engineering Group. In this role, you will drive the development and manufacturing launch of…
Added 11 mins ago
Software Engineer – AI Inference and Runtime Optimization
Advanced Micro Devices, Inc
Austin, TX
Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
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Software Engineer – AI Inference Integration and Optimization
Advanced Micro Devices, Inc
Austin, TX
Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
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Software Engineer – AI Inference and Performance Optimization
Advanced Micro Devices, Inc
Austin, TX
Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field.
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AI Platform Security Engineer
Advanced Micro Devices, Inc
San Diego, CA
Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent
Added 11 mins ago
MI
Computer Engineer
Mayvin, Inc
Port Hueneme Cbc Base, CA
- $105,010 to $122,837 USD / year
Mayvin is seeking an experienced Computer Engineer to support the Naval Surface Warfare Center, Port Hueneme Division. This position contributes to the design, development, testing, and…
Added 11 mins ago
Manufacturing Integration and Test Engineer
Epirus
Torrance, CA
…testing phases. This role will be a part of our manufacturing engineering team, but will serve as the connective tissue between hardware, electrical, and software - taking subsystems from…
Added 11 mins ago
AC
Senior Mechanical Engineer - Instrumentation Hardware
Atom Computing
Boulder, CO
- $140,000 to $164,989 USD / year
We're looking for a Mechanical Engineer to join our Opto-Mechanical Engineering team to focus on designing the physical systems that house, protect, and connect our Control Systems and…
Added 11 mins ago
AC
Hardware Engineer
Atom Computing
Boulder, CO
- $100,000 to $140,000 USD / year
BS or MS in Electrical Engineering, Computer Engineering, or a related technical field.
Added 11 mins ago
Process Engineer
ConAgra Fds Packaged Fds LLC
Fayetteville, AR
Apply technical knowledge of equipment functionality to improve the reliability of mechanical, pneumatic, electrical, and hydraulic systems.
Added 12 mins ago
Manufacturing Engineer
Nammo Defense Systems, Inc
Mesa, AZ
…Nammo products that support the warfighter. The Manufacturing Engineer is responsible for the process, tooling, work instructions, and training required to deliver product safely,…

Mill

HIL Test Engineer

San Bruno, CA, United States

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Job details

Posting language: English
Posted: Nov 5, 2026

Original job description

Mill is a waste prevention technology company reimagining what it means to eliminate waste, starting with food. We build smart systems and infrastructure for homes, businesses, and municipalities that transform food scraps from landfill-bound waste into valuable resources, including chicken feed. Tens of thousands of Mill’s residential food recyclers are already helping households divert millions of pounds of food scraps every year, paving the way for our upcoming launch of Mill Commercial - the industry’s first end-to-end solution for managing, understanding, and preventing food waste in commercial environments (e.g. grocery, restaurants, food services). At Mill, we are passionate about building easy-to-use, beautifully designed technologies that keep food in the food system and out of landfills.

About the Role

We're looking for a Hardware-in-the-Loop (HIL) Test Engineer to own the test station for Mill Commercial's program including hardware, sensor and actuator emulation, and plant models: systems to emulate include safety interlocks, load cells, motor feedback, thermocouples, and heater elements.

This is a hands-on, build-and-maintain role. You'll take the station from vendor commissioning to a working bench, then keep extending it: adding channels and fault-injection paths, writing and tweaking the thermal and torque plant models in Simulink, and turning engineering requirements into automated tests that run in CI. You'll work day to day with Firmware, Systems, Test Engineering and EE, and you'll be the person who knows why a test passed or failed at the signal level.

What You'll Do

Own the HIL test station end to end: rig hardware, I/O and emulation modules, wiring and harnessing to the DUT, power and reset control, and the bench equipment around it
Lead vendor commissioning and bring-up, then take over the station as the in-house owner once the vendor hands off
Build and maintain plant models in Simulink (oil jacket thermal, air heater and airflow, vessel cool-down, grinder load torque) and keep them correlated against real-device data
Extend the rig to cover new tests: add emulation channels, fault-injection paths (thermocouple open/short/drift, disconnected interlock lines, degraded tach signals) and timing capture as the test plan grows.
Translate engineering and safety requirements into automated HIL test cases with programmatic pass/fail, and integrate them into the Linux-based CI regression
Debug failures to root cause across the rig, the plant model and the firmware, working with Firmware and EE to tell a real defect from a test-infrastructure issue
Keep the station reliable: calibration, spares, documentation, and a known-good configuration that other engineers can run tests on without you
Partner with SW QA to define test plan based on product requirements and ensure the station can test all cases
Partner with Systems and Test Engineering on the boundary between HIL coverage, bare-board tests and full-system tests

What We're Looking For

4+ years in test, controls or systems engineering on electromechanical products, with at least 2 years hands-on with HIL or real-time simulation rigs
Strong Simulink and MATLAB: you've built and tuned plant models (thermal, mechanical or electrical) and deployed them to a real-time target
Able to read and trace C code: you can follow firmware control logic well enough to understand what a test is exercising and where a failure originates
Comfortable with signal-level work: thermocouples, strain gauges, hall-effect and discrete inputs, PWM drive lines, and the I/O modules that emulate them
Practical bench skills: wiring, harness build, oscilloscope and DMM work
Strong documentation and organization skills
Experience with test automation: scripting test sequences, programmatic pass/fail, results logging, and integrating into a regression pipeline
Clear, direct communicator: you write test cases others can run and you explain rig behavior to firmware engineers in their terms

Nice to Have

Hands-on experience with Speedgoat, dSPACE, NI VeriStand or similar HIL hardware, including Simulink Real-Time or an equivalent toolchain
Experience working with Linux-based embedded systems (Jetson, Yocto or Debian-class targets) and Linux CI tooling
Familiarity with standard automation APIs such as ASAM XIL, or with Python-based test frameworks and MQTT
Background in safety and interlock testing, fault injection, or functional-safety test methods
Experience with thermal or motor-drive systems: heaters, PID loops, DC motor torque and current limiting
Experience at an early-stage hardware startup, where you set up the process rather than inherit it

The estimated base salary range for this position is $165K to $185K, which does not include the value of benefits or a potential equity grant. A wide range of factors are considered in making compensation decisions, including but not limited to skill sets, market conditions, experience and training, licensure and certifications, and business and organizational needs.

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Skills

Firmware
Linux
Documentation
Product comprehension
The MathWorks MATLAB
Test automation
dSPACE
Embedded systems
Python

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