L3 Test Engineer

CENTEGIX® is the industry leader in wearable safety technology for healthcare, education, government, and commercial workplaces with over 800,000 badges in use. The cloud-based CENTEGIX Safety Platform® initiates the fastest response time for emergencies, from the everyday to the extreme. Leaders in over 18,000 locations nationwide trust CENTEGIX's innovative safety solutions to empower and protect people (every day).

Purpose 

We are looking for a Hardware Test Engineer (L3) to join our team in Annapolis, MD at our testing center to help CENTEGIX continue to deliver on the quality customers expect from the CrisisAlert system. This position focuses on hands-on lab duties, test design, setup, and occasional 3D-printer / CNC fabrication.

Position Responsibilities 

• Design, deploy, and maintain hardware and firmware for Hardware-in-the-Loop (HIL) test jigs.
• Apply industry-standard testing protocols for low-power embedded systems.
• Execute comprehensive test plans for firmware deployments, including system, regression, and low-power evaluations.
• Use lab equipment—oscilloscopes, logic analyzers, spectrum analyzers, and function generators—for signal-level diagnosis and debugging.
• Partner with hardware, firmware, and cloud teams to root-cause issues and confirm fixes.
• Develop and maintain automated test workflows triggered by Continuous Integration (CI).
• Maintain traceability between requirements and tests.
• Produce detailed test reports, results, and procedures in compliance with ISO 9001 and ISO 13485.
• Drive ongoing improvements in test coverage, product quality, and process effectiveness.
• Give clear, constructive feedback to advance the maturity of the testing process.

• 6 years of professional test engineering experience in embedded systems.
• Hands-on experience validating low-power embedded systems using industry-standard methodologies.
• Experience with firmware verification, communication protocols, and diagnostic and measurement hardware.
• Test automation in Python or a similar scripting language.
• Skilled with lab equipment for hardware-level diagnostics.
• Familiarity with AWS IoT and AWS CloudWatch.
• Competency designing 2–4 layer PCBs in Altium or equivalent.
• End-to-end ownership of test plans: development, execution, and formal reporting.
• Proficient with Git; able to build firmware directly from source.
• Working knowledge of HIL environments, CI/CD, and regression testing.
• Solid foundation in basic Electrical Engineering principles.
• Hands-on skills including soldering and assembly of electro-mechanical test fixtures.
• Competent in sourcing components and ordering PCBs for rapid prototyping.

Desired Qualifications

• Experience with AWS Lambda, RF testing, or environmental stress testing.
• Experience operating 3D printers and light-duty CNC machinery for prototype development, including fabrication of components from wood, plastic, and aluminum.
• Familiarity with quality management systems (ISO 9001 / ISO 13485).
• Understanding of Agile workflows and CI/CD pipelines for firmware.
• Ability to analyze complex system interactions across hardware, firmware, and wireless layers..

What’s in it for you?

• Participation in company wide discretionary bonus
• Fifteen days of PTO plus twelve company holidays
• Three days of paid Sick Leave and one floating holiday
• Monthly device(s) reimbursement
• Up to $2500/year reimbursement for eligible education expenses
• We offer a range of Healthcare plans to meet your needs  (medical, dental, vision)
• 401(k) Plan with 4% employer contribution to help you plan for the future
• Employee Referral Bonus 
• Charitable Program Match

Recruitment Process & Fraud Prevention

CENTEGIX job opportunities may be advertised on our careers page as well as trusted job boards such as Indeed and LinkedIn. All applications are processed through our official applicant tracking system.

If you are contacted regarding an opportunity with CENTEGIX, verify that communications come from an email address ending in @centegix.com.

CENTEGIX recruiters may also connect with candidates through LinkedIn. We encourage candidates to review recruiter profiles and confirm they are listed as current CENTEGIX employees.

As part of our hiring process:

• Applications will be reviewed and managed through our official recruiting process
• Interviews will be conducted by CENTEGIX employees
• CENTEGIX will never ask candidates for payment, gift cards, cryptocurrency, banking information, or financial account details during the recruiting process
• Official offer letters will only be extended following a completed interview process

Equal Employment Opportunity

CENTEGIX is an equal opportunity employer and prohibits discrimination and harassment of any kind. We are committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decisions at CENTEGIX are based on business needs, job requirements, and individual qualifications, without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, or any other status protected by the laws or regulations in the locations where we operate