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Role description

Firmware Test Engineer

BS
Blue Sages
TypeFull-time
WorkplaceOn-site
SenioritySenior
Salary$90,000–$110,000
LocationSaint Paul, MN
Posted8/4/2026
Engineering

Position Overview

We are seeking a highly skilled Firmware Test Engineer to join our R&D team onsite in Minneapolis. You will be responsible for ensuring the safety and efficacy of life-changing Class III medical devices. This role focuses on the verification of neuromodulation systems, specifically Deep Brain Stimulation (DBS) and spinal cord stimulation for chronic pain therapy.

Core Responsibilities

  • Verification Planning & Execution: Author comprehensive Verification Plans and Test Procedures based on behavioral requirements for complex therapy delivery.
  • Advanced Scripting: Implement and maintain a massive library of approximately 2,000 test scripts using Tcl/Tk.
  • Formal Design Controls: Drive scripts through formal review cycles, meticulously addressing peer comments and ensuring compliance with FDA/ISO standards.
  • System Integration: Test the new BLE (Bluetooth Low Energy) layer and integrate it with existing TCL libraries for seamless device-to-programmer communication.
  • Defect Management: Identify, isolate, and document hardware/firmware bugs with detailed reporting and root cause analysis.

Technical Requirements & Skillset

  • Domain Expertise: Deep understanding of neuromodulation therapies, including the relationship between voltage/current signals and physiological pain relief.
  • Sensing & Stimulation: Experience testing systems that incorporate both sensing (feedback loops) and stimulation (delivery of therapy).
  • Connectivity: Proven experience with Telemetry and wireless protocols, specifically the implementation and testing of BLE stacks.
  • Scripting Language: Proficiency in Tcl/Tk is ideal for this role.
  • Regulatory Knowledge: Familiarity with IEC 62304 and the formal documentation required for Class III medical devices.

Qualifications

  • Location: Ability to work onsite in Minneapolis, MN.
  • Education: B.S. in Electrical Engineering, Computer Science, Biomedical Engineering, or a related field.
  • Experience: 5+ years in firmware testing, preferably within the medical device, aerospace, or defense industries.

Pay: $90,000.00 - $110,000.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off

Work Location: In person

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Company info

BS

Blue Sages

Blue Sages has over 20 years of experience working with the world's best and most admired Medical Device companies creating state-of-the-art products and systems that get to market quickly and efficiently. We "start with the end in mind." The wise words of Sun Tzu aptly describe the strategy of the best product development programs, and Blue Sages has the experience to help our customers goal's become reality. Our reputation of quality work and excellence among our team is well known throughout the industry. We can make this claim because we're not just ‘software guys', we're systems engineers.

Founded2001
HQSaint Paul, US
Size18 employees
Industry
Unlock human wisdom
ThesisTermsPrivacy
Software Development
Tech stackjenkins, testrail, c10, microsoft-forefront, trello, matlab, c-sharp, redwood, cplusplus, cmake

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