• Own the hydronic distribution architecture across primary water/PG25 loop • Define and standardize system design rules for flow, pressure drop, balancing, and measurement • Establish practical design approaches for PG25 and water-based systems, including pipe sizing, fluid behavior, and maintainability considerations • Support system-level alignment between plant, distribution, and rack cooling interfaces • Own distribution P&IDs, valve schedules, and instrumentation schedules • Maintain revision discipline, tagging standards, and interface clarity across the mechanical distribution package • Define boundaries and interfaces between plant equipment, CDUs, rack cooling components, and module-to-module interconnects • Develop and maintain interface control documentation for hydronic system boundaries • Design for startup, commissioning, and long-term operation • Define fill, flush, vent, drain, isolation, bypass, and strainer strategies • Establish measurement points for flow, differential pressure, and temperature • Partner with commissioning and controls teams to define what must be measured, how it will be measured, and what acceptable startup performance looks like • Own pipe sizing methodology and pressure drop strategy for both PG25 and water loops • Define practical approaches to balancing and instrumentation placement • Ensure real-world field performance aligns with design intent • Help establish repeatable standards for distribution performance across product variants • Own mechanical distribution layout packages and service clearance requirements • Ensure systems are designed for safe access, maintenance, replacement, and long-term serviceability • Support design for manufacturing by standardizing routing approaches, fittings strategy, tolerances, and assembly expectations • Help define clear factory-built versus field-installed scope boundaries • Define standard module interconnect approaches, including manifolds, quick connects, labeling, boundary isolation, and leak detection interfaces as applicable • Ensure interconnect designs support rapid deployment while preserving reliability and maintainability • Drive consistency across builds to reduce site variability and improve product repeatability • Partner with mechanical plant, thermal, electrical, controls, manufacturing, and commissioning teams • Coordinate system interfaces without losing baseline discipline • Work with OEMs and fabricators while maintaining ownership of the internal distribution architecture and standards • Support factory builds, field feedback collection, and lessons-learned incorporation into future revisions

• Develop physical designs for high-voltage substations and switching stations • Lead projects through planning, detailed design, and construction support • Partner with clients, utilities, and multidisciplinary teams to deliver power solutions • Mentor engineers and designers while contributing to design standards

Role Description Utilizing engineering principles and an understanding of designing for manufacturability, the Mechanical Engineer prepares mechanical designs, fabrication drawings, manufacturing instructions, and comprehensive bills of materials for custom precision cleaning and wet processing tools for worldwide applications. Duties & Responsibilities - Responsible for mechanical and automation system designs, including plumbing and tank systems, ensuring compliance with engineering standards and customer requirements. - Aids in the development of system and engineering specifications. Reviews and improves specifications based on feasibility and modifies drawings by studying requirement changes over time. - Prepares final drawings and develops approval drawing layouts when assigned. - Provides timely feedback on manufacturing questions/request for information. - Verifies that product is being manufactured as per specifications and resolves discrepancies, following-up with the necessary changes to drawings, routers and BOMs to ensure full issue resolution. - Prepares bill of materials, routers and manufacturing instructions. - Ensures that Engineering efforts are completed in time to meet system manufacturing timelines and ship dates. - Achieves efficient and timely results. Works cooperatively and coordinates activities and designs with other engineering team members. - Communicates design constraints and works within the team to achieve solutions. - Assists project quoting and estimating with design concepts and component lists for accurate total design and manufacturing cost estimates. - Responsible for other duties and tasks as assigned, which may be completely unrelated to this position. Qualifications - Bachelor's degree in mechanical or industrial/manufacturing engineering required. - Three years of experience as a Mechanical Engineer, preferably in a large equipment manufacturing environment/industry (Semiconductor industry preferred). - Knowledgeable and competent with 3D modeling in SolidWorks. - Knowledge of manufacturing processes and best practices. - Ability to read and understand electrical and plumbing schematics from a variety of sources and manufacturers. - Ability to effectively present and clearly express written and verbal information to individuals and/or groups required. - Ability to work and contribute within a project team. - Capable of working independently to drive engineering projects to completion. - Ability to learn quickly and adapt to new practices and procedures. - Experience with 2-D CAD software (AutoCad, DraftSight) desired. Requirements - Able to safely lift and carry, push or pull objects up to 50lbs. - Able to walk, stand and work on feet for the duration of shift. - Able to climb, balance, stoop, kneel, crouch, reach with hands and arms, grasp, handle and operate hand/power tools or controls. Benefits - Medical / Dental / Vision - 401(k) Matching - Life Insurance - Company Paid Short-Term and Long-Term Disability - Paid Bereavement Leave - Paid Parental Leave - Paid Time Off - Holiday Pay - Available Overtime - Flexible Work Schedule - Referral Program - Tuition Reimbursement - Year End Performance Bonuses - Competitive Pay BOE - Remote Work Flexibility - Possible Relocation Assistance Available Company Description JST is a leading expert in wet bench design and a trusted global provider of wet process and precision cleaning technology solutions for the semiconductor, biomedical, and other clean industries. Our customers rely on us to solve their most complex manufacturing process challenges. With in-house engineering teams and full plastic and metal fabrication capabilities, JST delivers complete design-to-fabrication solutions for all wet processing applications. We are driven by teamwork, customer focus, integrity, and relentless innovation - committed to providing high-quality, cost-effective, and safe solutions that improve our customers' wet chemistry processes.

Role Description Seeking an experienced Mechanical Supervisor to oversee mechanical systems installation, maintenance, and operations. Must possess strong technical knowledge, regulatory compliance expertise, and proven ability to manage field operations while ensuring quality and safety standards. Key Responsibilities: - Field Supervision - Direct and supervise mechanical crews, contractors, and technicians on-site for HVAC, plumbing, fire protection, and mechanical systems. - Design Review & Understanding - Interpret mechanical drawings, specifications, and engineering plans to ensure proper installation and compliance with design intent. - Quality Inspections - Conduct comprehensive on-site inspections of mechanical work including systems testing, commissioning, and performance verification. - Regulatory Compliance - Ensure all work meets local building codes, mechanical codes, fire codes, and environmental regulations. - Permit Coordination - Interface with local authorities, building departments, and inspection agencies for permit approvals and regulatory inspections. - Progress Reporting - Prepare detailed progress reports, inspection reports, and status updates for project management and clients. - Safety Management - Implement and enforce safety protocols, conduct safety meetings, and ensure OSHA compliance on mechanical work areas. - Problem Resolution - Identify and resolve mechanical system issues, design conflicts, and installation challenges in real-time. - Subcontractor Management - Coordinate and oversee mechanical subcontractors, ensuring work quality and schedule adherence. - Documentation - Maintain accurate records of inspections, tests, warranties, and as-built conditions. - Commissioning Support - Participate in system startup, testing, and commissioning activities. - Client Interface - Communicate with building owners, facility managers, and end users regarding mechanical systems operation. Qualifications - Minimum 5+ years mechanical supervision experience in commercial, industrial (Manufacturing/Clean Lab), or institutional projects (DC is a plus point). - Strong understanding of HVAC, plumbing, fire protection, and mechanical systems design and installation/commissioning experience is preferred. - Thorough knowledge of local mechanical codes, building codes, and inspection requirements. - Proven ability to prepare clear, detailed reports for various stakeholders. - Experience conducting field inspections and quality control activities. - Demonstrated ability to supervise teams and manage multiple mechanical contractors. Requirements - Mechanical Engineering degree or equivalent technical education. - Associate Engineer License (at minimum). - Professional licenses (PE, contractor's license) bonus. - Experience with BIM/3D modeling coordination. Benefits - If this job description resonates with you, we encourage you to apply even if you don’t meet all of the requirements. - We’re interested in getting to know you and what you bring to the table!