Our client is seeking a Senior Process Engineer for a pivotal, hands-on role at the heart of their pilot manufacturing operation, taking full ownership of equipment reliability, facility readiness, and the systems that underpin safe, controlled production. Senior Process Engineer - Calibration & Maintenance - London This isn't a role where the systems are already in place - it's a role where you'll build them. You'll have genuine ownership, direct operational impact, and the opportunity to lay the foundations for a manufacturing capability that will scale. Initially, you'll work directly on the production line - giving you firsthand insight into how equipment and facility conditions interact with real operational demands. As the operation matures, you'll transition into a leadership role across maintenance strategy, calibration programmes, and cross-functional equipment support - building robust, scalable systems alongside our Process Engineering and Operations teams. Key responsibilities: Equipment ownership Drive performance, availability, and uptime for all manufacturing equipment. Calibration programmes Establish and manage calibration schedules and status visibility across relevant equipment. Preventive maintenance Define and implement maintenance strategies; lead rapid response to breakdowns. Facility readiness Support site layout, infrastructure, and EHS compliance in partnership with external consultants. Spare parts management Maintain critical spare parts inventory to minimise production disruption. Cross-functional collaboration Work closely with Process Engineering and Operations to resolve equipment-related challenges. Essential requirements: Proven experience with manufacturing equipment in a technical environment Strong grounding in maintenance, calibration, and equipment reliability principles A practical, hands-on approach to diagnosing and solving problems Comfortable working cross-functionally in structured or regulated settings Highly desirable experience: Background in regulated industries such as medical devices, biotech, or pharmaceuticals Experience building maintenance or calibration systems from scratch Exposure to pilot or early-stage manufacturing environments Track record of managing external contractors or service providers Familiarity with health and safety requirements in technical settings Bond Williams Professional Recruitment are an equal opportunity employer and operate as an Employment Business and Recruitment Agency