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ZOLL Medical

Emergency care medical devices and software

Test Development Engineer Co-op

Summer 2026Updated
$25 - $28/hr
Internship
Lowell, MA, USA
In Person
Hardware EngineeringHardware Validation & Testing

About the job

Requirements
  • Requires High School Diploma and active enrollment in the education program of an accredited university.
  • Requires enrollment in related technician or engineering field.
  • Sufficient verbal and written communication skills.
Responsibilities
  • Performs test system and electro-mechanical fixture development, documentation, research, studies, and limited design work as assigned by Test Development Engineering Department.
  • Functions as support personnel for Test Engineering.
  • Works on assignments with close supervision. All work output is reviewed by a member or members of Test Engineering.
  • Potential use of small hand and/or power tools.
  • Performs other duties as assigned by Management.
Desired Qualifications
  • A basic understanding of electricity, hardware and software development methodologies, and programming skills are highly desirable.

About the company

ZOLL Medical designs and sells medical devices and software for emergency and critical care. Its products include defibrillators and automated external defibrillators (AEDs), mobile ECG systems, disposable electrodes, temperature management devices, and sleep apnea therapy, all integrated with data software for hospitals and EMS. The devices function by delivering shocks when needed, monitoring heart activity, regulating temperature, or treating sleep apnea, with software that collects and analyzes patient data. ZOLL differentiates itself by offering a broad, integrated hardware-and-software platform focused on EMS and hospital workflows to enable coordinated care and data-driven decisions, with the goal of improving patient outcomes and operational efficiency.

Company Size

1,001-5,000

Company Stage

Acquired

Total Funding

$2.2B

Headquarters

Chelmsford, MA

Founded

1980

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Simplify's Take

What believers are saying

  • FDA cleared Zenix under EU MDR in 2026, opening European EMS and hospital sales.
  • PayGround integration digitizes EMS billing, accelerating collections for ZOLL Billing customers.
  • ZOLL's AED access campaigns expand public placements and reinforce brand demand.

What critics are saying

  • FDA's April 30, 2026 warning letter cites CAPA, validation, and MDR failures.
  • The letter names X Series AEDs, 731 ventilators, and OneStep electrodes.
  • An FDA import alert or injunction would choke Chelmsford shipments and kill contracts.

What makes ZOLL Medical unique

  • Asahi Kasei backing gives ZOLL capital, global reach, and acquisition firepower.
  • ZOLL spans defibrillation, ventilation, temperature management, and sleep-apnea software.
  • Real CPR Help and Zenix touchscreen workflows distinguish ZOLL in emergency care.

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Benefits

  • Casual Work Environment

Company News

Yahoo Finance
Nov 2nd, 2026
FDA clears ZOLL PolySense accessories, turning WatchPAT 400 into a home polysomnography kit

ZOLL, an Asahi Kasei company, has received US Food and Drug Administration (FDA) 510(k) clearance for PolySense, a set of accessories that turns its WatchPAT 400 from a home sleep apnea test into a home polysomnography system. The self-applied head, cardiac and leg patches record EEG, EOG, EMG, ECG and leg movement. With the full kit, the device can measure up to 11 channels and analyse nine parameter categories referenced by the AMA CPT Assistant, effective January 1, 2027. Physicians get results immediately after a test ends. Until now, some patients needing advanced studies had to use a lab-based polysomnogram. PolySense will be available in the US in early January 2027.

Business Wire
Oct 28th, 2026
ZOLL Announces Closing of Acquisition of Itamar Medical

ZOLL® Medical Corporation, an Asahi Kasei company that manufactures medical devices and related software solutions, today announced that it has successfully ...

MedCity News
Oct 26th, 2026
Sutter Health expands remote monitoring program to patients with heart failure.

Sutter Health expands remote monitoring program to patients with heart failure. Sutter Health, a nonprofit healthcare system based in Sacramento, California, is expanding its digital chronic disease management program, Sutter Sync, to include patients with heart failure. The expansion adds a remote monitoring technology from San Francisco-based medical tech company Bodyport. The program expansion comes as health systems look for ways to identify deterioration in a low acuity environment before patients reach the point of needing emergency hospitalization. By Jenna Congdon on October 26, 2026 1:48 pm Sutter Health, a nonprofit healthcare system based in Sacramento, California, is expanding its digital chronic disease management program, Sutter Sync, to include patients with heart failure. The expansion adds a remote monitoring technology from San Francisco-based medical tech company Bodyport. Health systems are looking for ways to identify deterioration in a low acuity environment before chronic disease patients reach the point of needing emergency hospitalization. The collaboration announced last week brings Bodyport's FDA-cleared Cardiac Scale into Sutter Sync. The program now offers patients with heart failure who are flagged as being at high risk for hospitalization remote monitoring using the Cardiac Scale, as well as app-based, personalized lifestyle education to better manage their heart failure symptoms. presented by We have the opportunity to design systems that give people greater capacity for the work where human presence matters most: listening, understanding, reassuring, deciding, and caring. The Bodyport scale measures fluid status and other cardiovascular indicators to give patients and healthcare providers a clearer picture of the patient's current heart failure condition. The scale is designed so that patients simply need to step onto it once daily, just as one might with a standard bathroom scale. Data is then integrated into Epic, an electronic health record platform, to allow for the patient and their healthcare team to easily track changes over time. Between healthcare visits, Sutter pharmacists monitor trends and coordinate timely medication adjustments. Sutter Sync is part of a growing remote patient monitoring (RPM) market, with competitors such as Zoll and Boston Scientific - among others - offering remote heart failure monitoring and EHR integration. Heart failure - a condition which affects an estimated 7.7 million adults in the U.S. - is considered a chronic and progressive condition, but symptoms can fluctuate day-to-day. Severe exacerbations frequently land patients in the hospital for symptoms like cough, swelling, and shortness of breath. "Much like for patients with hypertension and diabetes, without timely intervention for heart failure, patients may end up needing higher levels of care - it's actually one of the leading causes of hospitalization in the U.S.," said Sutter's system vice president and chief clinical innovation officer Dr. Richard Milani. "Regular monitoring between visits helps care teams identify concerning changes earlier and adjust treatment before a patient's condition deteriorates." Small practices play a critical role in healthcare delivery, but they cannot continue to absorb ever-increasing administrative demands without consequences. The Sutter Sync program launched in March 2025, and has shown apparent success in supporting its participants' chronic disease care. The program first opened to patients with hypertension, and then expanded to include patients with high cholesterol in October 2025. The following April, the program began piloting diabetes support. Sutter said in a news release that more than 13,000 patients have enrolled, and claimed that more than 90% of participants with previously uncontrolled high blood pressure achieved better control within six months. "We're encouraged by this data and look forward to hopefully seeing similar favorable results for heart failure care," said Milani. Milani said Sutter Sync was designed to address three challenges in chronic disease management: limited information between office visits, gaps in adherence to evidence-based guidelines, and the difficulty of encouraging patients to stick with sustained behavior changes. "We created Sutter Sync with those factors in mind," Milani said. When asked about how much this program would save on hospital avoidance, Milani said that number would be hard to estimate. He added, "We believe through a more robust holistic approach that includes daily monitoring and timely intervention, we can improve both short and long-term outcomes for patients with heart failure."

ZOLL
Jul 29th, 2026
ZOLL helps turn awareness into action during Every Second Counts weekend.

ZOLL helps turn awareness into action during Every Second Counts weekend. Across three days in Washington, D.C., ZOLL partnered with Every Second Counts, community leaders, survivors and advocates to expand public AED access, build confidence and inspire more people to help save lives. Every second counts during sudden cardiac arrest. That's why, from July 23-25, survivors, advocates, first responders, community leaders and everyday citizens gathered in Washington, D.C. with one shared goal: making sure more people have the confidence - and the tools - to help save a life. Throughout the three-day Every Second Counts CPR & AED Awareness March and Rally, one message echoed clearly, when Anything can happen. Anyone can help. Day one: expanding access where communities gather. Working alongside the District of Columbia Department of General Services, DC Fire and EMS, the Department of Parks and Recreation, and SaveStation(R), ZOLL helped celebrate the installation of a publicly accessible AED at Ridge Road Community Center in DC's Ward 7. Serving thousands of residents each year across nearly 10 acres of athletic fields, recreation spaces, swimming facilities and community programs, Ridge Road is exactly the kind of place where families gather, and a critical intersection where bystanders can make a big difference if properly equipped when cardiac arrest strikes. Installed in a climate-controlled outdoor SaveStation cabinet and available 24 hours a day, seven days a week, the ZOLL AED 3 expands lifesaving coverage while sending an equally important message that AEDs aren't just for hospitals,they're for communities. Recent Harris Poll research commissioned by ZOLL found that 27% of adults don't believe they could locate the nearest AED during an emergency, while half of parents believe every youth sports team already has one. Closing that gap between perception and reality begins by making AEDs easier to find, easier to access and easier to use. Following the installation, the AED was registered with Pulse Point's National Emergency AED Registry (NEAR), helping emergency dispatchers, first responders and bystanders locate it quickly when every second counts. Day two: survivors leading the movement. The following day, hundreds of sudden cardiac arrest survivors, families and advocates marched together toward the U.S. Capitol to advocate for stronger AED laws and awareness among communities where AEDs laws already exist. From young little leaguers to proud wives, they marched with stories of lives forever changed because someone nearby recognized cardiac arrest, called 911, started CPR or retrieved an AED. The Anyone Can Help mascot joined the march alongside survivors and advocates, reinforcing a simple truth: AEDs are coaches to help bystanders in cardiac emergencies with real-time audio and visual guidance Following the March, participants gathered on the Capitol grounds for a large-scale Hands-Only CPR demonstration, reminding lawmakers, visitors and the public that lifesaving skills belong to everyone, not just healthcare professionals. Day three: bringing lifesaving skills to the National Mall. The weekend concluded with the Every Second Counts Rally on the National Mall, where bypassers on a beautiful and sunny Saturday stopped to learn Hands-Only CPR and see live AED demonstrations. Throughout the day, ZOLL team members met with hundreds of survivors, families, advocates and community members, demonstrating how modern AEDs provide clear audio and visual guidance that coaches rescuers through each step of CPR and will only deliver a shock if one is needed. For many, it was the first time they realized that an AED is designed for ordinary people - not just medical professionals. Together, Anyonecanhelp is helping more people realize that when anything can happen, anyone can help. Lori Peters, Associate Director, Advocacy and Partnerships "Our involvement in DC with Every Second Counts showed what's possible when awareness becomes action," said Lori Peters, Associate Director, Advocacy and Partnerships at ZOLL. Whether it's expanding access to publicly available AEDs, empowering people to learn Hands-Only CPR or helping communities understand that today's AEDs are designed to guide everyday rescuers, every step strengthens the chain of survival. Together, Anyonecanhelp is helping more people realize that when anything can happen, anyone can help. Awareness is only the beginning. Every year, more than 356,000 people experience an out-of-hospital cardiac arrest in the United States. Survival depends on immediate action, yet many emergencies occur before first responders can arrive. Communities become stronger when people know where AEDs are located, feel confident using them and work together to make lifesaving equipment available where people live, play and gather. Ready to help your community? Whether you're part of a youth sports league, school, recreation department, neighborhood association, workplace or local government, you can help make lifesaving equipment more accessible where it matters most. Visit the Anyone Can Help Community Activation Kit for practical resources, conversation starters and guidance to help bring more AEDs to your community. Because when anything can happen, anyone can help.

Resonate Group Incorporated
Jun 19th, 2026
FDA warning slams Zoll Medical with multiple quality control and reporting violations.

FDA warning slams Zoll Medical with multiple quality control and reporting violations. * June 19, 2026 Zoll Medical, the maker of devices and software focused on cardiopulmonary and respiratory conditions, was slammed in an FDA warning letter that outlined numerous quality control and medical device reporting violations.

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