While research and manufacturing often catches the headlines, it’s the field services where the magic happens.
The usual story of life sciences innovation runs in a straight line: a target is identified, a molecule is designed, a process is developed, scaled and validated, and a therapy reaches patients.
What that version leaves out is everything that has to work along the way — the tools, equipment and systems that generate the data and make the drug, and the troubleshooting that happens between the people who run them and the people who build them.
The “field work” is where the magic happens along the way. It’s that place where a vendor’s engineer or technician and a customer’s engineering team stand in front of the same problem at the same time. A process that will not hold spec. A system that must be reconfigured for a new process. A qualification deadline that just moved up six weeks. That is where a large amount of the actual problem-solving in this industry gets done, and almost none of it appears in the pipeline announcement.
The people who do that work are the interface between what a company builds and what a customer is trying to accomplish. For instance, a water system is only a small part of what customers are buying. They are also investing in the experience, responsiveness, and problem-solving ability of the people standing behind it.
Innovation is collaborative, and most of the collaboration is on-site
Biopharmaceutical companies do not develop in isolation. They develop alongside a layer of vendors and solution providers — instrumentation makers, single-use suppliers, automation integrators, calibration and validation firms, water systems engineers — each holding deep expertise in a narrow domain the customer does not need to hold in-house.
That expertise only transfers through people.
A customer moving into a new modality has questions their own team has not faced before. A process development group scaling from bench to pilot needs to know what the equipment will actually do under conditions the spec sheet never contemplated. A manufacturing site preparing for inspection needs a vendor who understands what the auditor is going to ask. None of that is a transaction. It is a working relationship, conducted mostly in person, in the customer’s facility, on the customer’s timeline.
The vendors who do this well have figured out that their field organization is not a support function attached to the product. It is a large part of what the customer is buying. One of those vendors is PureFlow.
“Our customers aren’t simply buying a high-purity water system,” shared Matt Dillon, Application Specialist at PureFlow. “They are buying a reliable source of water that meets their specifications. They are relying on PureFlow to understand their process, protect their operation, and be there when conditions change. The equipment is important, but the long-term value comes from the people who apply it, maintain it, and help the customer make confident and informed decisions.”
Founded in 1985 and headquartered in Graham, North Carolina, PureFlow designs, builds, installs and maintains high purity water systems across pharmaceutical, life sciences, hospital, beverage, semiconductor, power generation and data center markets, with technical service centers in Arizona, Florida, Georgia, Maryland, North Carolina, South Carolina and Texas.
The company operates a Maryland technical service center where its field team supports the region’s heavy research, biomanufacturing and healthcare base.
High purity water as a case in point
Water is a useful example because it sits underneath nearly everything else.
It is the largest raw material in biopharmaceutical manufacturing and a regulated one. USP-grade purified water and Water for Injection feed buffer prep, media prep, cleaning and sterilization. When a company adds a suite, changes a process, brings on a new product, or scales up, the water system has to change with it — and the questions that come up are rarely the ones anyone planned for.
The engineering is sophisticated: reverse osmosis, deionization, ultrafiltration, UV, ozone, continuous instrumentation and controls. But the engineering is generic until someone applies it to a specific facility, with specific source water, feeding a specific process, run by a specific team with their own documentation standards and their own tolerance for downtime.
That application is the field engineer’s job. It is closer to consulting than repair.
The Face of Service
Henry Cook is the Field Service Engineer who oversees PureFlow’s Maryland service team and customers.
Cook earned his industrial engineering degree from West Virginia University, where he was also a member of the football team. Before joining PureFlow, he worked as a Supplier Quality Engineer for Northrop Grumman, leading root-cause investigations, evaluating supplier processes, resolving quality issues, and coordinating among suppliers, internal teams, and customers. His engineering background, methodical approach to troubleshooting, and ability to build strong working relationships have made him an invaluable asset to PureFlow and its customers.
“A typical week can change quickly. I may begin with scheduled preventive maintenance or a system startup, then receive a call from a customer dealing with an unexpected issue,” shared Cook. “The key is understanding which situations are most critical, communicating with the customer, and making sure they have a clear path forward.”
“When a customer calls after hours, it usually means the issue is affecting something important. Our job is to respond, understand what is happening, and help them determine the safest next step. Even when we cannot immediately be onsite, clear communication can help the customer protect their operation until we arrive.”
“The best results happen when we work through the problem with the customer’s team. They understand their process and facility, and I understand the water system. When we bring that knowledge together, we can usually identify the real issue and develop a solution that works for their operation—not just for the equipment,” shared Cook.
The pattern in this kind of role is that the engineer accumulates knowledge no manual contains. The pretreatment that behaves differently in August. The loop with the awkward sample port. The QA group that needs data formatted a particular way. The site lead who wants to be called before the alarm escalates, not after.
That accumulated context is what turns a vendor into a partner. It is also, notably, not transferable — which is why turnover in field service is more expensive than it looks on a spreadsheet.
“Henry brings an engineering mindset to field service. He knows how to investigate a problem, evaluate the complete process, and work collaboratively with everyone involved. His experience resolving complex supplier and quality issues has translated extremely well to helping our customers understand problems and develop practical solutions,” Dillon elaborated.
“Henry doesn’t approach a service call as a checklist. He works to understand what the site is trying to accomplish and what is at risk operationally. During intense emergency situations, he works alongside the customer’s team to diagnose and resolve the issues, while keeping them informed throughout the process. That combination of technical ability, ownership, and communication is what customers remember.”
This customer-centric attention and emphasis on service and ownership is why the right field team is so important for the equipment and instruments that support innovation and commercial production.
“When I arrive at a customer’s facility, I know they may be dealing with production pressure, a deadline, or an unexpected problem. My responsibility is to listen, communicate clearly, and stay with the issue until we have a path forward. I want the customer to know they have someone they can call who already understands their system,” shared Cook.
Hiring for the person, training for the expertise
If the field is where the value gets delivered, then hiring for the field is a strategic decision rather than an operational one.
There is no academic pipeline producing high purity water field service engineers. The technical knowledge has to be built internally, which flips the hiring criteria: companies in this category screen for mechanical aptitude, troubleshooting instinct, communication ability and reliability under pressure, then teach the rest. A candidate who can explain a problem clearly to a stressed customer is more valuable than one who already knows the equipment but cannot.
That makes training infrastructure a competitive asset, not overhead, which Dillon elaborated on.
“We can teach high-purity water technology, but it is much harder to teach curiosity, accountability, and the ability to remain composed in front of a customer. We look for people who naturally investigate problems, communicate honestly, and take ownership of the outcome. Those qualities are what allow technical training to become valuable in the field.”
PureFlow’s investment in training extends beyond its own team to the facility leaders, engineers, and purified water system operators who rely on high-purity water every day.
PureFlow’s annual Proficiencies in High Purity Water training will be held October 28–29, 2026, at the company’s manufacturing facility and headquarters in Graham, North Carolina. The two-day program is designed for engineers, plant and production managers, quality professionals, and maintenance personnel responsible for high-purity water systems. Through technical seminars, case studies, hands-on instruction, and facility tours, attendees develop a stronger understanding of water treatment technologies, system operation, troubleshooting, microbial control, instrumentation, and water recovery. Continuing education credits are available. Program details and registration are available at pureflowinc.com/training.
“Our goal is to give end users practical knowledge they can take back to their facilities. We want them to understand their systems well enough to recognize problems, evaluate their options, and make confident decisions about reliability, compliance, and long-term performance,” said Dillon.
“Developing a PureFlow field technician goes well beyond classroom instruction,” Dillon continued. “Our internally developed training provides the technical foundation, but that knowledge is reinforced through hands-on work and side-by-side experience with seasoned technicians in the field. By the time a technician begins supporting customers independently, they have learned not only how the equipment operates, but how to troubleshoot systematically, communicate clearly, and make decisions that protect the customer’s operation.”
“Some of our strongest technicians came to PureFlow without direct high-purity water experience. What they brought was mechanical ability, curiosity, accountability, and a desire to solve meaningful problems. We provide the specialized training and field experience that allow those qualities to develop into a rewarding technical career.”
See the current openings at the PureFlow Careers Page
The part that doesn’t scale
The industry treats talent as a constrained resource and usually means scientists. The vendor and service layer operates under the same constraint with a thinner pipeline and far less visibility, and the region’s manufacturing capacity depends on it just as directly.
Equipment can be manufactured on a schedule. Field engineers cannot.
As new biomanufacturing capacity comes online in the North Carolina, BioHealth Capital Region, or anywhere across the industry, the field engineers who support it have to be developed years ahead, and the companies investing in that now will shape who can scale.
PureFlow’s continued investment in field personnel, regional service capabilities, technical training, and customer education signals confidence in the future of life sciences and advanced manufacturing throughout the region. By building that capability now, PureFlow is preparing to support the next generation of critical manufacturing infrastructure – and the patients who will depend on it.
