Specialist, Manufacturing Development and Production Planning ElectraSpecialist, Manufacturing Development and Production PlanningManassas, VAFull timeYou'll partner closely with the Director of Manufacturing Engineering on build plan and tooling readiness, with the VP of Industrialization & Manufacturing Strategy on capacity planning and the digital manufacturing backbone, with the VP of Supply Chain on material availability, and with Programs and Engineering on milestone integration. You'll build the production master schedule from first conforming articles through ramp-up, manage the program's recurring and non-recurring cost performance against plan, model the production learning curve, and own the S&OP cadence that ties customer demand to manufacturing capacity.
Senior Manufacturing Engineer – Composite Structures ElectraSenior Manufacturing Engineer – Composite StructuresManassas, VAFull timeOur Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. A global company, headquartered in Manassas, VA, Electra is backed by Lockheed Martin, Honeywell, and Safran, has filed for FAA Part 23 type certification, and carries 2,000+ intent to purchase from operators worldwide.
Senior Program Manager- Manufacturing Operations (Remote) Quantum Computing IncSenior Program Manager- Manufacturing Operations (Remote)Arlington, VARemoteThe candidate should have in-depth knowledge of and hands on experience deploying and maintaining Manufacturing Execution Systems (MES) as well as Enterprise Resource Planning (ERP) Systems and Quality Assurance / Quality Control (QA/QC) systems. After the rollout the program manager will continue to work closely with all the stakeholders to maintain and continuously improve the efficiency and effectiveness of the QCi's MOM systems and bridge the gap between technical teams and end users.
PCA Manufacturing Engineer - Defense Electronics Herrick Technology Laboratories Inc.PCA Manufacturing Engineer - Defense ElectronicsGermantown, MD$95,000–$130,000 / yearSummary: We are seeking a Manufacturing Engineer specializing in Printed Circuit Assembly (PCA) to support the production of advanced defense electronics, including software-defined radios, RF/microwave assemblies, and complex circuit card assemblies. The Manufacturing Engineer will act as the technical liaison between design engineering, operations, quality, and supply chain to ensure robust, repeatable, and compliant manufacturing processes for PCA builds.
Senior Manufacturing Test Engineer ST Engineering iDirectSenior Manufacturing Test EngineerHerndon, Virginia$91,000–$165,000 / yearActual compensation may vary based on factors including, but not limited to, the duties and responsibilities of the role, education, experience, knowledge, skills, abilities, internal equity, market data, applicable collective bargaining agreements, and other business or legal considerations. Requirement: Must have demonstrated experience across hardware, software, and manufacturing environments, with a strong background supporting New Product Introduction (NPI), manufacturing test development, and factory sustaining activities.
Manufacturing Engineer II - Life Sciences Compagnie de Saint-GobainManufacturing Engineer II - Life SciencesGaithersburg, MD$81,500–$126,500 / yearThey allow access to information such as the characteristics of your terminal or certain personal data (IP addresses, navigation data on the Saint-Gobain site, etc.) for the following purposes: analysis and improvement of the user experience and/or our offer of content, products and services; audience measurement and analysis; interactions with social networks; display of advertising and personalized content. With a legacy dating back more than 350 years, Saint-Gobain offers employees the stability and security of a leading Global 500 corporation while operating like multiple small and agile start-ups, where entrepreneurial spirit, pioneering teamwork, and bold, forward-thinking ideas pave new paths.
Senior Manufacturing Test Engineer ST Engineering iDirect IncSenior Manufacturing Test EngineerHerndon, VASupport production activity within ST Engineering iDirect by helping to resolve production issues as they occur, with emphasis on understanding and resolving the root cause of the problem. identify opportunities for manufacturing test cost reduction, such as test yield improvements, and test time reductions, without impacting outgoing product quality.
Senior Manufacturing Test Development Engineer JABIL CIRCUIT, INCSenior Manufacturing Test Development EngineerWashington, DCThis includes creating test plans, test cases, and test scripts to assess the functionality and performance of hardware components or devices such as motherboard, memory, CPU, storage (SSD, HDD, NVMe) and PCIE devices (NIC, GPU, Mezz cards, RAID cards). Expertise with hardware and API solutions for controlling, managing and stressing L10 devices (servers, network and storage SSDs, NVMe): IPMI, Redfish, mprime, FIO, Linpack, ptugen, memtester.
Senior Manufacturing Engineer - Composite Structures Electra Aero IncSenior Manufacturing Engineer - Composite StructuresManassas, VAOur Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. A global company, headquartered in Manassas, VA, Electra is backed by Lockheed Martin, Honeywell, and Safran, has filed for FAA Part 23 type certification, and carries 2,000+ intent to purchase from operators worldwide.
Lead, Manufacturing Electrical Engineer L3Harris Technologies IncLead, Manufacturing Electrical EngineerAshburn, VA$116,500–$216,500 / yearThis role is responsible for creating, validating, and maintaining electrical inspection, validation equipment, processes, and documentation, be a key part of the Integrated Product Team to develop and execute validation and test plans, and collaborating with other engineering disciplines, program management, quality assurance, and manufacturing. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Manufacturing Quality Engineer, Swing Shift Agilent TechnologiesManufacturing Quality Engineer, Swing ShiftFrederick, MarylandPartners with material management, quality peers, planning and procurement, manufacturing, and technical services to create and improve products and processes to meet expansion and production timelines, quality policies, and customer expectations. Leads and drives process and product improvements and provides quality-related services to Manufacturing and support groups for the Endeavor expansion project.
Manufacturing Quality Engineer, Night Shift Agilent TechnologiesManufacturing Quality Engineer, Night ShiftFrederick, MarylandPartners with material management, quality peers, planning and procurement, manufacturing, and technical services to create and improve products and processes to meet expansion and production timelines, quality policies, and customer expectations. Leads and drives process and product improvements and provides quality-related services to Manufacturing and support groups for the Endeavor expansion project.
Senior Manufacturing Engineer - Sheet Metal Fabrication Electra Aero IncSenior Manufacturing Engineer - Sheet Metal FabricationManassas, VAOur Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. Working within our Integrated Product Development Team (IPDT) and alongside internal and external manufacturing partners, you'll apply Design for Manufacturing (DFM) principles to build efficient, repeatable, cost-effective fabrication processes from the ground up.
Manufacturing Associate II Zp Group LlcManufacturing Associate IIGaithersburg, MD$52,000–$80,000 / yearThis position involves operating and maintaining downstream processing equipment, performing filtration and chromatography techniques and supporting production activities in a cleanroom environment. Qualifications of the Manufacturing Associate II: 3+ years of professional experience working in a GMP environment (Biotechnology or Pharmaceutical organization) with 1+ years of experience working in downstream manufacturing.
Adjunct, Manufacturing Technology Frederick Community CollegeAdjunct, Manufacturing TechnologyFrederick, MDTo be considered for this position, candidates must possess an Associate of Applied Science (A.A.S.) degree in Advanced Manufacturing Technology with at least two years of industry experience, or a minimum of five years of industry experience in a related field, or a Bachelor of Science in Engineering Technology (B.S.E.T.) in Manufacturing. Ability to use varying styles, approaches, skills, and techniques that reflect an understanding and acceptance of the role of culture in a diverse, multi-cultural workplace.
Robotics Manufacturing Technician MolgRobotics Manufacturing TechnicianSterling, VirginiaGiven the importance of working hands-on with physical systems, we are a 100% in-person team collaboratively working in our industrial space in Sterling, VA, down the road from the largest data center market in the world. As a Robotics Manufacturing Technician , you will work alongside a collaborative, cross-functional team, gaining hands-on experience across manufacturing, robotics, and research & development (R&D).
Manufacturing Test Engineer III Westinghouse Air Brake Technologies CorpManufacturing Test Engineer IIIGermantown, MD$79,300–$113,000 / yearAs a Manufacturing Test Engineer, you will work with a cross-functional Engineering team to develop and maintain tools, fixtures, and scripts to automate testing of various Industrial Electronics products at internal and external manufacturing and repair facilities. The salary rate for this role is currently $79300-113000 The actual salary offered to a candidate may be influenced by a variety of factors, such as: training, transferable skills, work experience, education, business needs, market demands and work location.
Director of Manufacturing Thales Defense & Security IncDirector of ManufacturingMD$202,767.30–$259,091.55 / yearWith over 1,000 employees, TDSI and its four subsidiaries (Advanced Acoustic Concepts, Digital Receiver Technology, Tampa Microwave, and Trusted Cyber Technologies), supports U.S. Joint Services, special operations forces and multi-national partners with a variety of communication, visualization, signal intelligence/electronic warfare, and sensor/sonar capabilities. Reporting to the Vice President of Operations, the Director of Manufacturing will lead multiple manufacturing departments, overseeing high-mix, low-to-medium volume electronics manufacturing, assembly, test, integration, and repair operations.
Manufacturing Technician I Meso Scale Diagnostics LLCManufacturing Technician IGaithersburg, MD$39,600–$57,500 / yearThis salary range represents a general guideline as MSD considers other factors when presenting an offer of employment, such as scope and responsibilities of the position, external market factors, and the candidate's knowledge, skills, abilities, education and experience. This may include the production of coated plates, chemical buffers, and biological diluents/reagents and/or assembled kits for customer order fulfillment.
Manager, Manufacturing Finance & Accounting Supernus PharmaceuticalsManager, Manufacturing Finance & AccountingRockville, MarylandWorks closely with the Company’s external CMOs, Supply Chain, Quality, Accounting, and Finance departments to appropriately manage the full cycle of inventory transactional processing and movements within the ERP (Enterprise Resource Planning system). This role is responsible for the full cycle manufacturing accounting process, including analyzing, and reconciling all production and inventory transactions related to external Contract Manufacturing Organizations (CMOs) and the company’s overall supply chain network.
Manufacturing Engineering Technician Thales Defense & Security IncManufacturing Engineering TechnicianMD$27.77–$35.48 / hourWith over 1,000 employees, TDSI and its four subsidiaries (Advanced Acoustic Concepts, Digital Receiver Technology, Tampa Microwave, and Trusted Cyber Technologies), supports U.S. Joint Services, special operations forces and multi-national partners with a variety of communication, visualization, signal intelligence/electronic warfare, and sensor/sonar capabilities. TDSI considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.
VP Manufacturing Harmattan AIVP ManufacturingArlington, VirginiaThis role requires a hands-on leader capable of structuring and scaling reliable industrial capacity in the United States, while coordinating closely with engineering, supply chain, and operations teams across multiple geographies. You will work in close coordination with the Head of Manufacturing & Supply Chain and jointly develop and deploy the U.S. manufacturing strategy, ensuring strong alignment with Harmattan AI’s global industrial roadmap while maintaining clear execution ownership in the U.S. Responsibilities .
NewUS Manufacturing VP Harmattan AIUS Manufacturing VPArlington, VAYou will work in close coordination with the Head of Manufacturing & Supply Chain and jointly develop and deploy the U.S. manufacturing strategy, ensuring strong alignment with Harmattan AI's global industrial roadmap while maintaining clear execution ownership in the U.S.ResponsibilitiesU.S. This role requires a hands‑on leader capable of structuring and scaling reliable industrial capacity in the United States, while coordinating closely with engineering, supply chain, and operations teams across multiple geographies.
SSN(X) Advanced Manufacturing Strategy Analyst Systems Planning And Analysis, Inc.SSN(X) Advanced Manufacturing Strategy AnalystAlexandria, VADirector Submarine Program unifies submarine platform procurement activities, which includes the Columbia-class SSBN program (a Major Defense Acquisition Program and the Navys top acquisition priority), the Virginia-class SSN program, the new SSN-X program (developing the next generation attack submarine), and the AUKUS Integration and Acquisition Office, to bring improved capabilities to our undersea forces. Analysts and Engineers supporting Director Submarine Program will continue SPAs decades of support to the SSBN force, as well as supporting oversight of cutting-edge attack submarine construction, assisting in developing the design requirements for the SSN platform of the future, and helping plan and execute new and innovative strategies to strengthen the critical submarine shipbuilding industrial base.
SAP Manufacturing Senior Manager PricewaterhouseCoopers LLPSAP Manufacturing Senior ManagerWashington, DC$124,000–$280,000 / yearAs a SAP Manufacturing Senior Manager, you will specialize in providing consulting services for SAP supply chain and operations applications, enabling clients to optimize their supply chain processes and improve operational efficiency. Preference for a Master''s or Masters of Business Administration degree in at least one of the following fields of study:Business Administration/Management, Computer Science/Information Systems, Engineering, Operations/Supply Chain, Science.
Commercial Construction Assistant Project Manager - Advanced Manufacturing HITT ContractingCommercial Construction Assistant Project Manager - Advanced ManufacturingFalls Church, VirginiaGather data, interpret it into meaningful information, and relay that information through clear, concise communication strategies; ability to see how pieces and processes fit into and affect the bigger picture/business model. An Assistant Project Manager (APM) obtains, evaluates, coordinates and distributes the information and authorizations necessary to construct projects on time, within budget and to the quality specified.
Commercial Construction Senior Project Manager - Advanced Manufacturing HITT ContractingCommercial Construction Senior Project Manager - Advanced ManufacturingFalls Church, Virginia$121,000–$165,000Every day, our team members do amazing things in pursuit of our shared purpose to build trust with our clients, partners, subcontractors, and teammates. The Senior Project Manager's role is to effectively manage both small and large scale projects from discovery and design to development and implementation.
NewCommercial Construction - Project Executive Advanced Manufacturing HITT ContractingCommercial Construction - Project Executive Advanced ManufacturingFalls Church, Virginia$148,000–$198,000Every day, our team members do amazing things in pursuit of our shared purpose to build trust with our clients, partners, subcontractors, and teammates. Mastery of reading construction drawings; tasks including reading, interpreting, and updating construction project-related drawings.
Manufacturing Technician B L3Harris Technologies IncManufacturing Technician BAshburn, VA$22.84–$42.55 / hourIn compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $22.84 - $42.55.This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Manufacturing Technician I Compagnie de Saint-GobainManufacturing Technician IGaithersburg, MDThey allow access to information such as the characteristics of your terminal or certain personal data (IP addresses, navigation data on the Saint-Gobain site, etc.) for the following purposes: analysis and improvement of the user experience and/or our offer of content, products and services; audience measurement and analysis; interactions with social networks; display of advertising and personalized content. Country Royaume-Uni Italie Pologne Espagne Middle East Portugal Romania Pérou Argentine Chili Switzerland Germany Austria Finland Danemark Brazil.
Manufacturing Associate I, Wet Lab Operations Maravai LifeSciences Holdings IncManufacturing Associate I, Wet Lab OperationsSterling, VAWho we are: Maravai LifeSciences translates extraordinary science into everyday miracles, helping biotech, biopharma, and life sciences companies everywhere deliver novel vaccines, therapeutics, and diagnostics. We are global leaders in providing products and services within the fields of nucleic acid production and biologics safety testing to many of the world''s leading biopharma, vaccine, diagnostics, and cell and gene therapy companies.
NewManufacturing Cost Accountant | GAAP & Analytics Dover CorporationManufacturing Cost Accountant | GAAP & AnalyticsArlington, VADover Corp is seeking a Cost Accountant located in Richmond, VA, to maintain the Company's costing system and oversee capital expenditures. The role requires strong analytical skills, knowledge of US GAAP, and competency in Oracle software.
Manufacturing Technician-CNC Programmer Phoenix Mecano AGManufacturing Technician-CNC ProgrammerFrederick, MD$35–$38 / hourThe CNC Programmer is responsible for creating, optimizing, and maintaining CNC programs for machining operations to ensure the safe, efficient, and cost-effective production of high-quality components. Ability to wear required PPE including safety glasses, hearing protection, safety footwear, and other required protective equipment.
Senior Manufacturing Engineer Electra Aero IncSenior Manufacturing EngineerManassas, VA$110,000–$135,000 / yearEmbedded in our Integrated Product Development Team (IPDT), your focus will be on electrical and avionics systems installation, applying DFM and DFA principles to enable efficient, scalable final assembly operations - and ensuring production test processes are built in from day one. Our Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation.
Manufacturing Engineer Trident Systems IncManufacturing EngineerChantilly, VAHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. We develop complex, radiation effects mitigated, designs that balance competing requirements in modern space programs, delivering cutting-edge solutions that enable our customers to achieve more in space.
Quality Manager – UAS Manufacturing Heven AeroTechQuality Manager – UAS ManufacturingSterling, VABuild and lead the inspection team (incoming, in-process, and final assembly), establishing inspection criteria for structural, avionics, propulsion, and hydrogen system components; verify compliance with approved configurations prior to release. Lead the internal audit program — planning, auditor training, execution, reporting, and corrective action follow-up — and serve as the organization's Lead Auditor (AS9100 Lead Auditor certification required if not already held).
Manufacturing Operations Coordinator HRU-TechManufacturing Operations CoordinatorChantilly, VirginiaWe're seeking a Manufacturing Operations Coordinator to support daily production, improve operational efficiency, and help deliver high-quality electro-mechanical products. If you enjoy problem-solving, collaborating with cross-functional teams, and driving continuous improvement, we'd love to hear from you.
Vice President, Manufacturing Herrick Technology Laboratories Inc.Vice President, ManufacturingGermantown, MD$180,000–$300,000 / yearTo fuel our continued growth, HTL is seeking a motivated Manufacturing leader to aid in scaling our high-mix, low/mid-volume production operations while continuously improving processes and quality of solutions delivered to our customers. Description: This role will lead HTL's manufacturing team in tactical performance and strategic growth through process development and refinement, yield and efficiency improvements, and continuous improvement of team capabilities and processes in a low-to-medium volume, high-mix environment.
Manufacturing Associate, Representative (Night Shift) Agilent TechnologiesManufacturing Associate, Representative (Night Shift)Frederick, MarylandThe schedule will be Night shift (4:30 PM - 5:00 AM) working a Pitman schedule: of 2 days working, 2 days off, 3 days working, 2 days off, 2 days working, then 3 days off. Agilent Technologies, Inc., is committed to creating and maintaining an inclusive in the workplace where everyone is welcome, and strives to support candidates with disabilities.
Manufacturing Representative - Night Shift Agilent TechnologiesManufacturing Representative - Night ShiftFrederick, MarylandAgilent is expanding on its oligonucleotide manufacturing capabilities with a new, purpose-built facility, designed to support the growing demand and innovation in therapeutic development— and we’re looking for Manufacturing Associates to help bring it to life! Collaborate with Engineering, Validation, and Quality teams to resolve technical issues and support documentation (CAPAs, deviations, change controls).
Manufacturing Representative - Day Shift Agilent TechnologiesManufacturing Representative - Day ShiftFrederick, MarylandAgilent is expanding on its oligonucleotide manufacturing capabilities with a new, purpose-built facility, designed to support the growing demand and innovation in therapeutic development— and we’re looking for Manufacturing Associates to help bring it to life! Collaborate with Engineering, Validation, and Quality teams to resolve technical issues and support documentation (CAPAs, deviations, change controls).
Manufacturing Associate I Katalyst Healthcares & Life SciencesManufacturing Associate IWalkersville, MDThe Finishing Technician supports the Finishing area by screening product components, assembling kits, preparing packing materials, and assisting with documentation. Handle physical tasks including standing for long periods, lifting up to 50 lbs, repetitive motion, and working in confined spaces.
Manufacturing Engineer Herrick Technology Laboratories Inc.Manufacturing EngineerGermantown, MD$75,000–$200,000 / yearTraining and/or experience in manufacturing engineering, particularly PCA (printed circuit assembly) Engineering or PCB (printed circuit board) Engineering. Summary: The Manufacturing Engineer provides oversight to the integration and test of electronic products and systems and the preparation of all quality control documentation associated with deliverables.
Senior Manager, Oracle SCM (Order Management, Manufacturing, Costing) PricewaterhouseCoopers LLPSenior Manager, Oracle SCM (Order Management, Manufacturing, Costing)DC$124,000–$280,000 / yearExamples of the skills, knowledge, and experiences you need to lead and deliver value at this level include but are not limited to: Craft and convey clear, impactful and engaging messages that tell a holistic story. PwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy .
Manufacturing Associate I Karwell TechnologiesManufacturing Associate IWalkersville, MDThe Finishing Technician supports the Finishing area by screening product components, assembling kits, preparing packing materials, and assisting with documentation. Handle physical tasks including standing for long periods, lifting up to 50 lbs, repetitive motion, and working in confined spaces.
Manufacturing Engineer LynkManufacturing EngineerChantilly, VirginiaThe Manufacturing Engineer will be responsible for ensuring the smooth continuous production of Lynk's satellites by performing a variety of tasks which include: Developing and maintaining detailed work instructions for assembly, integration, and test operations. Lynk builds many spacecraft at a rapid rate, so the ideal candidate has experience working in a fast-paced environment and is comfortable translating engineering designs into clear, executable manufacturing processes.
Account Executive, Commercial, Manufacturing & Industrials Amazon.com IncAccount Executive, Commercial, Manufacturing & IndustrialsArlington, VAThe Amazon Business Field team is dedicated to developing solutions inclusive of an expanded online store that combines the selection, convenience, and value customers have come to know and love from Amazon, with new features and unique benefits tailored to customers in the Field sector. The ideal candidate will have relevant energy, materials, utility, transportation, logistics, or agribusiness, consultative sales experience and have a proven track record of meeting and exceeding program goals and revenue targets.
Additive Manufacturing Engineering Manager Strategic HR Client Job OpeningsAdditive Manufacturing Engineering ManagerFalls Church, VAThis role blends leadership, technical expertise, and operational ownership—guiding production while advancing the next generation of processes, systems, and capabilities. You'll work closely across engineering, production, and leadership teams to ensure efficient, scalable manufacturing while driving continuous improvement.
SSN(X) Advanced Manufacturing Strategy SME Systems Planning and AnalysisSSN(X) Advanced Manufacturing Strategy SMEAlexandria, Virginia$170,000–$200,000 / yearFull timeDirector Submarine Program unifies submarine platform procurement activities, which includes the Columbia-class SSBN program (a Major Defense Acquisition Program and the Navy’s top acquisition priority), the Virginia-class SSN program, the new SSN-X program (developing the next generation attack submarine), and the AUKUS Integration and Acquisition Office, to bring improved capabilities to our undersea forces. Analysts and Engineers supporting Director Submarine Program will continue SPA’s decades of support to the SSBN force, as well as supporting oversight of cutting-edge attack submarine construction, assisting in developing the design requirements for the SSN platform of the future, and helping plan and execute new and innovative strategies to strengthen the critical submarine shipbuilding industrial base.
Manufacturing Associate Integrated Resources, IncManufacturing AssociateFrederick, MD$29–$33.70 / hourWe are seeking a highly motivated, Cell Therapy Specialist to join our newly formed Cell Therapy Manufacturing team at our brand new, state of the art, commercial Cell Therapy facility in Frederick, Maryland. Routinely monitors, cleans, prepares and operates sophisticated automated cell processing, cell expansion and filling equipment in Grade B/C clean rooms.