Hardware Test Engineer L3 (Embedded IoT)

TL;DR

Hardware Test Engineer (Embedded IoT): Designing and maintaining HIL test jigs and firmware verification for wearable safety technology with an accent on low-power embedded systems and signal-level diagnosis. Focus on developing automated test workflows, PCB design for prototypes, and ensuring compliance with ISO quality standards.

Location: Onsite in Annapolis, MD

Company

hirify.global is an industry leader in wearable safety technology providing cloud-based safety platforms for healthcare, education, government, and commercial workplaces.

What you will do

• Design, deploy, and maintain hardware and firmware for Hardware-in-the-Loop (HIL) test jigs.
• Execute comprehensive test plans for firmware deployments, including system, regression, and low-power evaluations.
• Perform signal-level diagnosis and debugging using oscilloscopes, logic analyzers, spectrum analyzers, and function generators.
• Develop and maintain automated test workflows triggered by Continuous Integration (CI).
• Produce detailed test reports and procedures in compliance with ISO 9001 and ISO 13485.
• Partner with hardware, firmware, and cloud teams to root-cause issues and confirm fixes.

Requirements

• 6+ years of professional test engineering experience in embedded systems.
• Proficiency in Python or similar scripting languages for test automation.
• Experience designing 2–4 layer PCBs in Altium or equivalent software.
• Hands-on experience with lab equipment for hardware-level diagnostics.
• Working knowledge of AWS IoT, AWS CloudWatch, Git, and CI/CD pipelines.
• Must be based in or be able to work onsite in Annapolis, MD.

Nice to have

• Experience with AWS Lambda, RF testing, or environmental stress testing.
• Ability to operate 3D printers and light-duty CNC machinery for prototype fabrication.
• Familiarity with quality management systems (ISO 9001 / ISO 13485).
• Understanding of Agile workflows for firmware development.

Culture & Benefits

• Comprehensive healthcare plans (medical, dental, vision).
• 401(k) Plan with 4% employer contribution.
• 15 days of PTO, 12 company holidays, and 3 days of paid sick leave.
• Up to $2,500 annual reimbursement for eligible education expenses.
• Monthly device reimbursement and employee referral bonuses.