Mechanical Maintenance Technician

tozero

ABOUT US tozero is Europe’s leading deep-tech startup in lithium-ion battery recycling, driving decarbonization and the circular economy through innovative material recovery solutions. We are on a mission to recover critical materials from end-of-life batteries and build a cleaner, more sustainable future. WHAT WE'RE LOOKING FOR As an electrical and/or mechatronics technician, you will be the technical backbone of our recycling plant. This role is for a true hands-on professional with proven experience in both mechanical and electrical domains, capable of working independently in a demanding industrial environment, including high-voltage systems and complex equipment. You will work directly on the shop floor, performing installations, maintenance, troubleshooting, and supporting production during ramp-up and scale-up phases. In this role, you will play a key part in ensuring plant reliability, uptime, and safe operations, contributing directly to the build-up and continuous improvement of our production site. Your cross-functional expertise will make you a critical pillar of the maintenance and operations team. KEY RESPONSIBILITIES MECHANICAL * Installation & Assembly: Independently install, assemble, and commission a wide range of industrial equipment, machinery units, and complex piping systems. * Modifications & Upgrades: Execute technical modifications and plant improvements to optimize process performance and equipment integration. * Equipment Maintenance: Maintain, align, and troubleshoot pumps, motors, gearboxes, valves, and heavy process equipment. * Spare Parts Management: Identify, replace, and manage critical spare parts to ensure rapid recovery and minimal downtime. * Preventive Care: Execute and optimize preventive and corrective maintenance schedules across all mechanical assets. * Fabrication: Perform welding, machining, and metal fabrication as required for repairs or bespoke plant adjustments. * Diagnostics: Diagnose mechanical wear and tear, implementing sustainable technical solutions to extend equipment life. ELECTRICAL * High-Voltage & Safety: Safely manage high-voltage systems and strictly enforce electrical safety (LOTO) and compliance. * Installation & Power: Install, wire, and commission electrical systems, control cabinets, and high-voltage power distribution. * Infrastructure: Implement cable routing, conduits, and tray systems for power and signal lines. * Instrumentation: Maintain and calibrate sensors and actuators to ensure accurate process feedback. * Diagnostics & Upgrades: Perform structured fault-finding and modify control logic or panels to improve plant automation. GENERAL MAINTENANCE AND OWNERSHIP * Diagnose complex faults across mechanical and electrical systems and implement sustainable solutions * Develop and actively execute preventive maintenance plans from scratch to improve equipment reliability and uptime * Support installation, commissioning, and upgrades of new equipment and production systems * Ensure strict compliance with safety standards (LOTO, high-voltage procedures, etc.) * Maintain clear and accurate technical documentation * Act as a reliable go-to technician on the shop floor, supporting operations with minimal supervision * Contribute to and actively improve the maintenance workshop (tools, equipment, layout, and processes), bringing in practical ideas to increase efficiency, organization, and overall maintenance effectiveness PLANT OPERATIONS AND PRODUCTION SUPPORT * Contribute hands-on to commissioning, plant modifications, and installation of new production lines * Support commissioning and ramp-up activities by operating equipment, handling materials, and assisting daily plant operations as needed, ensuring safe and efficient execution * Maintain high standards of safety, housekeeping, and compliance, while proactively improving equipment reliability, production processes, and site safety REQUIRED QUALIFICATIONS AND EXPERIENCE * Completed vocational training as a Mechatronics Technician, Industrial Electrician, or equivalent * Several years of proven industrial experience in both mechanical and electrical maintenance * Ability to read and interpret mechanical drawings, P&IDs, and electrical schematics * Demonstrated ability to work independently across disciplines (not specialized in only one area) * Hands-on experience with high-voltage systems (required) * Strong understanding of industrial equipment, piping systems, and electrical infrastructure * Experience with PLC-based systems and industrial automation is a strong advantage WHAT WE EXPECT * You are a doer, not a trainee, and can execute safely and independently without constant guidance * Strong ownership mindset with consistent, reliable delivery * Comfortable switching between mechanical and electrical work as needed * High awareness of safety standards, especially in high-voltage environments * Practical, solution-oriented mindset suited for a fast-paced industrial startup environment * Flexibility: Willingness and ability to work in a shift system to support operations. WHY US? At tozero, we believe in providing a supportive and enriching work environment to help our team achieve top performance: * Free snacks and drinks in the office * Jobticket with fully subsidized Deutschlandticket for commuting across Germany * Dynamic startup environment working closely with experts in a fast-moving deep-tech company shaping the future of battery recycling and sustainability

LotusWorks

LotusWorks is an Engineering Services provider specializing in managing Commissioning, Construction Services, Calibration, Operations & Maintenance scopes of work within global manufacturing facilities. LotusWorks operates globally across EMEA and North America partnering with the world's leading manufacturers across the Semiconductor, Pharmaceutical & Biologics, Medical Device and Data Centre sectors. Our team of Engineering and Technical professionals is immersed in cutting-edge technologies and innovations. LotusWorks is committed to a diverse and inclusive workplace, integral to our people-first approach.  The FFO Mechanical Operations & Maintenance Technician plays a key role in maintaining the reliability, performance, and safety of facility mechanical systems that directly support semiconductor manufacturing operations. This role performs preventive and corrective maintenance, supports operational uptime, identifies performance improvements, and partners with system owners and engineers to ensure equipment readiness in a mission-critical environment. RESPONSIBILITIES: Preventive & Corrective Maintenance * Execute scheduled preventive maintenance activities as assigned by the Maintenance Planner/Scheduler (MPS) to ensure optimal reliability and performance of facility mechanical systems. * Perform corrective maintenance and troubleshooting on mechanical equipment supporting critical production environments. * Interpret mechanical/electrical drawings, piping schematics, blueprints, and OEM documentation when diagnosing issues. System Operations & Performance * Monitor system conditions and equipment performance using SCADA, controls interfaces, trend logs, and on-equipment instrumentation. * Adjust, balance, and optimize system performance to maintain environmental stability and energy efficiency. * Escalate system abnormalities promptly and document findings, work completed, and recommended actions. Facility Mechanical Systems Work with a wide range of semiconductor facility mechanical systems, including: * Air Handling Units (AHUs), Fan Filter Units (FFUs), Fan Coil Units * Exhaust systems and specialty gas/chemical scrubbers * Chillers (low temp & high temp), boilers, and heat exchangers * Cooling towers and associated water treatment equipment * Process and distribution water systems (chilled water, heating water, cooling water loops) * Compressed air systems (compressors, dryers, filters) * Mechanical distribution systems, pumps, valves, piping, VFDs, and hydronic systems Operational Efficiency & Project Work * Work closely with system owners, engineers, and cross-functional teams to support operational improvement initiatives and efficiency upgrades. * Participate in the development, planning, and execution of system upgrade projects, equipment replacements, and reliability enhancements. Compliance, Documentation & Site Audits * Maintain accurate maintenance logs, documentation, and system status entries in the designated CMMS (e.g., Maximo). * Perform site and equipment audits to ensure alignment with safety requirements, operational procedures, and facility standards. * Follow LOTO, confined space entry, PPE, and semiconductor facility EHS policies at all times. * Any other duties or responsibilities that may be assigned to you in your role. SKILLS REQUIRED: * 2–4 years of hands-on mechanical maintenance experience in facilities, industrial, utilities, manufacturing, or similar environment, is required. * Technical experience with mechanical utilities such as HVAC, chilled water, heating water, compressed air, hydronics, and rotating equipment. * Ability to read and interpret mechanical drawings, schematics, and equipment manuals. * Strong troubleshooting, documentation, and communication skills. * Working knowledge of safety procedures including lockout/tagout (LOTO), hazard recognition, and PPE usage. EDUCATION / LICENSES / CERTIFICATIONS * High School Diploma or equivalent, required. * Associate's, Bachelor's degree or technical diploma in Engineering, Mechanical, Electrical, or related field preferred, but not required. * Relevant technical certifications (HVAC) are an advantage. * Proof of education, licenses, and certifications will be required where applicable. BENEFITS: * Medical, Dental and Vision Insurance * Life, Short-Term, Long-Term Disability Insurance * Training and Education Assistance * 401k Retirement Plan * Extra Annual Leave with Years of Service * Maternity/Paternity Leave * Recognition Rewards   #INDHP #LI-DNP   LotusWorks is an equal opportunity employer and prohibits discrimination and harassment of any kind. We are committed to creating a diverse and inclusive workplace where all employees feel valued, respected, and empowered.

LightForce

About LightForce LightForce is leading the digital transformation of orthodontics and redefining the standard of care for patients. Our fully digital, 3D-printed orthodontic platform increases practice efficiency, improves clinical consistency, and enables more predictable treatment outcomes. Unlike traditional stock brackets, LightForce delivers fully customized, patient-specific brackets paired with AI-driven treatment planning—optimizing outcomes at scale. With recent advancements unlocking the next phase of digital orthodontics, LightForce continues to push the boundaries of what’s possible in personalized care. Learn more at www.lf.co Description As the senior technical resource on the maintenance team, the Maintenance Technician III carries full accountability for maintenance program integrity across all shifts. This includes ownership of the calibration program, hazardous waste compliance program, and PM quality standards. This role performs complex diagnosis and repair of furnace systems, compressed air infrastructure, calibrated instrumentation, and facility electrical systems with minimal supervision. The Maintenance Technician III is the first responder to equipment issues, the driver of reliability improvements, and the formal trainer and mentor for Maintenance Technician I and II personnel. This position reports to the Maintenance Supervisor Essential Duties & Responsibilities * Lead diagnosis and repair of complex furnace system failures including electrical, thermocouple, atmosphere control, and high-temperature mechanical components * Assist in ownership of calibration program. Develop and maintain calibration schedules, perform calibrations, audit documentation, and ensure traceability across all process equipment * Serve as technical resource for compressed air system health including predictive monitoring, major overhauls, system efficiency assessment, and vendor coordination * Maintain hazardous waste compliance program. Oversee container labeling, accumulation timelines, inspection logs, full MassDEP and RCRA regulatory adherence, and ensure team compliance with all LOTO and confined space entry procedures across all shifts * Review, author, and continuously improve PM task lists in CMMS. Validate work order completion quality, close documentation gaps, and maintain accurate records to support management reporting on asset health, downtime, and PM completion rates * Perform advanced electrical troubleshooting and repair including panel level work, VFDs, PLCs, 3-phase systems, and control system modifications up to 480V * Serve as first responder to equipment issues. Make independent decisions on repair strategy, equipment disposition, and when to engage vendors or engineering * Provide formal on-the-job training and mentorship to Maintenance Technician I and II personnel. Maintain training records and serve as a Qualified Trainer for the team * Participate in new equipment installations and commissioning activities. Support engineering with facility infrastructure modifications * Serve as the primary maintenance point of contact for additive manufacturing and production operations teams. Own the resolution of equipment specific issues affecting the printing process including compressed air systems, environmental controls, and production support infrastructure * Help lead root cause investigations for recurring failures, document findings in CMMS, assign corrective actions, and verify effectiveness to prevent recurrence * Help enforce SOP compliance, verify documentation completeness, and escalate performance issues to the Maintenance Supervisor Education & Experience * High school diploma or GED required; associate’s degree in engineering technology, Industrial Maintenance, or a related technical field is strongly preferred * Completion of a state-accredited journeyman or technical school program, or equivalent formal training with demonstrated field proficiency, strongly preferred * 5+ or more years of industrial maintenance experience in a manufacturing or precision production environment * Demonstrated advancement in responsibility over career, including ownership of maintenance programs or systems, not simply execution of assigned tasks Technical Skills and Knowledge * Expertise in industrial furnace systems including atmosphere control, electrical systems, thermocouple installation and calibration, and high-temperature mechanical maintenance * Advanced knowledge of compressed air systems including system design, leak detection, efficiency analysis, and complete overhauls * Familiarity with instrument calibration, NIST traceability documentation, calibration scheduling, and recordkeeping * Ability to read and modify schematics, work at the panel level, troubleshoot PLCs and VFDs, and diagnose 3-phase systems * Strong CMMS proficiency including PM task creation, work order management, failure code analysis, and maintenance reporting * Ability to read and interpret mechanical drawings, P&IDs, electrical schematics, and equipment manuals Familiarity with SOP development and standard work documentation Preferred Qualifications * Licensed Electrician or equivalent formal electrical certification * PLC programming or advanced controls troubleshooting experience (Allen Bradley, Siemens, or equivalent) * Experience in a regulated manufacturing environment such as GMP, ISO, aerospace, or medical device manufacturing * Knowledge of RCRA hazardous waste requirements and MassDEP state-specific regulations * Exposure to additive manufacturing or similar precision production technology * Experience managing or directing outside service vendors and contractors * Forklift, crane, or aerial lift operator certification Physical Demands * Ability to stand, walk, and perform physical labor for the duration of an assigned shift * Ability to lift and carry up to 30 lbs * Ability to work in varied conditions including heat, noise, and exposure to chemicals or airborne particulates * Ability to work with appropriate training, certification, and PPE Perks * PTO/Paid Holidays * Medical, Dental, and Vision plans * 401k Retirement plan * Fringe benefits * Paid parental leave * Workplace perks such as food/coffee To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed above are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.  It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liabilities. LightForce Orthodontics is an Equal Opportunity/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, gender, age, national origin, disability, Protected Veteran status, sexual orientation, or any other characteristic protected by federal, state or local law.