{"schemaVersion":"jobsearcher.job.v1","id":"36cd5703cff2347d51aa6d3e","url":"https://jobsearcher.com/jobs/36cd5703cff2347d51aa6d3e","canonicalUrl":"https://jobsearcher.com/jobs/36cd5703cff2347d51aa6d3e","title":"Mechanical Engineer - Water Systems","description":"Advanced Light Source Upgrade (ALS-U)\nRequisition #: ASKUSR0146079\n\nPosition Summary\nEssnova Solutions is seeking an experienced Mechanical Engineer – Water Systems to support the Advanced Light Source Upgrade (ALS-U) and ongoing Advanced Light Source operations at Lawrence Berkeley National Laboratory.\n\nThis position will serve as a technical authority for critical process and facility water systems supporting accelerator systems, beamlines, experimental equipment, HVAC interfaces, and associated utility infrastructure.\n\nThe ideal candidate brings significant hands‑on engineering experience with industrial cooling water, Low Conductivity Water (LCW), deionized (DI) water, closed-loop cooling systems, process utilities, mechanical infrastructure, and industrial piping systems . This role will support the complete system lifecycle—from engineering design and equipment specification through installation, commissioning, operations, maintenance, troubleshooting, and continuous improvement.\n\nWater System Design & Engineering\n\nLead the design and engineering of cooling and process water systems supporting ALS-U and existing ALS infrastructure.\n\nDevelop system architectures, P&IDs, flow diagrams, hydraulic calculations, equipment specifications, and supporting engineering documentation.\n\nPerform engineering analyses involving heat transfer, fluid flow, pump sizing, pressure drop, thermal stability, and water quality.\n\nSpecify pumps, heat exchangers, filtration systems, expansion tanks, piping, valves, instrumentation, water treatment equipment, and related mechanical components.\n\nIntegrate water systems with accelerator, beamline, cryogenic, HVAC, and facility utility systems.\n\nEvaluate piping materials, valves, instrumentation, and other components required to maintain high‑purity and ultra‑pure water standards.\n\nEnsure designs comply with applicable ASME and ANSI standards, California building and mechanical codes, laboratory engineering standards, and safety requirements.\n\nLCW, DI & Water Treatment Systems\n\nSupport operation and engineering of closed-loop Low Conductivity Water (LCW) and deionized water systems .\n\nMonitor critical water‑quality parameters including resistivity, dissolved oxygen, and pH.\n\nSupport chemical dosing, UV sterilization, mixed‑bed deionization, reverse osmosis, filtration, and related treatment processes.\n\nDevelop solutions to prevent biological growth, scaling, contamination, and galvanic corrosion.\n\nTroubleshoot water chemistry, resin degradation, leaks, pump failures, flow instability, thermal excursions, and related system problems.\n\nMaintain water purity and system performance while minimizing equipment corrosion and operational downtime.\n\nOperations, Maintenance & Reliability\n\nServe as a technical resource and system owner for operational water infrastructure.\n\nDevelop preventive and predictive maintenance programs.\n\nMonitor system performance, reliability, lifecycle condition, and operational availability.\n\nPerform root‑cause analysis and troubleshoot mechanical, electrical, hydraulic, and water‑quality issues.\n\nCoordinate outages, repairs, system modifications, and maintenance activities to minimize impact to facility operations.\n\nSupport rapid response to critical facility incidents and system failures.\n\nProjects, Installation & Commissioning\n\nManage water‑system projects from conceptual design through installation and commissioning.\n\nDevelop technical scopes of work, cost estimates, and project schedules.\n\nCoordinate contractors, vendors, installation teams, engineering groups, facilities personnel, operations teams, and scientific stakeholders.\n\nReview installation quality and verify conformance with engineering specifications.\n\nSupport startup, testing, balancing, readiness activities, and commissioning.\n\nPlan and execute system expansions, upgrades, and retrofits.\n\nDocumentation & Configuration Management\n\nMaintain engineering drawings, calculations, specifications, operating procedures, maintenance procedures, and system inventories.\n\nSupport configuration management and formal change‑control processes.\n\nDevelop operational standards and engineering best practices for facility water systems.\n\nSafety & Compliance\n\nPerform work in accordance with Integrated Safety Management (ISM), EH&S requirements, laboratory policies, and applicable regulatory standards.\n\nParticipate in hazard analyses, readiness reviews, and safety assessments.\n\nSupport lockout/tagout planning and safe maintenance and operational procedures.\n\nRequired Qualifications\n\nBachelor’s degree in Mechanical Engineering or a closely related engineering discipline.\n\nMinimum 8 years of relevant professional engineering experience , including substantial experience designing, operating, and/or maintaining industrial process or facility water systems; equivalent combinations of education and relevant experience may be considered.\n\nDemonstrated knowledge of Low Conductivity Water (LCW) and deionized (DI) water systems .\n\nExperience with closed‑loop cooling water systems, process utilities, mechanical infrastructure, and industrial piping systems .\n\nStrong knowledge of hydraulic and thermal system design principles.\n\nExperience developing and interpreting P&IDs, engineering drawings, flow diagrams, calculations, and technical specifications .\n\nWorking knowledge of pumps, heat exchangers, cooling towers, filtration systems, water treatment systems, instrumentation, and controls.\n\nExperience troubleshooting complex mechanical and process systems and performing root‑cause analysis.\n\nAbility to manage multiple engineering projects and priorities within an active operational environment.\n\nStrong written and verbal communication skills.\n\nPreferred Qualifications\n\nProfessional Engineer ( PE ) license.\n\nExperience supporting particle accelerators, synchrotrons, large scientific facilities, semiconductor facilities, or other high‑availability technical infrastructure .\n\nExperience with EPICS or industrial control‑system integration .\n\nExperience with vibration‑sensitive and/or thermally stable cooling systems.\n\nExperience commissioning and starting up large process or utility systems.\n\nKnowledge of reliability‑centered maintenance practices.\n\nPrevious experience supporting DOE national laboratory environments .\n\nWorking Environment\nWork may be performed in office, laboratory, mechanical‑room, construction, and industrial environments. The position may require access to confined mechanical spaces and industrial equipment areas.\n\nOccasional after‑hours or weekend support may be required during planned shutdowns, commissioning activities, maintenance events, or critical operational issues.\n\nHourly Rate: $80\n\nPosition Impact\nThe Mechanical Engineer – Water Systems plays a critical role in ensuring reliable thermal management and utility performance for the ALS-U project and long‑term ALS operations. The position directly supports facility uptime, equipment protection, operational reliability, and successful delivery of the ALS-U mission.\n\nEqual Employment Opportunity\nEssnova Solutions, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local law.\n\n#J-18808-Ljbffr","company":"Essnova Solutions","rawCompany":"essnova solutions","city":"Berkeley","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-09-10T03:15:32.399Z","occupations":[{"code":"17-2141.00","title":"Mechanical Engineers","slug":"mechanical-engineers"},{"code":"17-2051.02","title":"Water/Wastewater Engineers","slug":"water-wastewater-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"}],"industries":[{"code":"221310","title":"Water Supply and Irrigation Systems","slug":"water-supply-and-irrigation-systems"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"237110","title":"Water and Sewer Line and Related Structures Construction","slug":"water-and-sewer-line-and-related-structures-construction"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mechanical Engineer - Water Systems","description":"Advanced Light Source Upgrade (ALS-U)\nRequisition #: ASKUSR0146079\n\nPosition Summary\nEssnova Solutions is seeking an experienced Mechanical Engineer – Water Systems to support the Advanced Light Source Upgrade (ALS-U) and ongoing Advanced Light Source operations at Lawrence Berkeley National Laboratory.\n\nThis position will serve as a technical authority for critical process and facility water systems supporting accelerator systems, beamlines, experimental equipment, HVAC interfaces, and associated utility infrastructure.\n\nThe ideal candidate brings significant hands‑on engineering experience with industrial cooling water, Low Conductivity Water (LCW), deionized (DI) water, closed-loop cooling systems, process utilities, mechanical infrastructure, and industrial piping systems . This role will support the complete system lifecycle—from engineering design and equipment specification through installation, commissioning, operations, maintenance, troubleshooting, and continuous improvement.\n\nWater System Design & Engineering\n\nLead the design and engineering of cooling and process water systems supporting ALS-U and existing ALS infrastructure.\n\nDevelop system architectures, P&IDs, flow diagrams, hydraulic calculations, equipment specifications, and supporting engineering documentation.\n\nPerform engineering analyses involving heat transfer, fluid flow, pump sizing, pressure drop, thermal stability, and water quality.\n\nSpecify pumps, heat exchangers, filtration systems, expansion tanks, piping, valves, instrumentation, water treatment equipment, and related mechanical components.\n\nIntegrate water systems with accelerator, beamline, cryogenic, HVAC, and facility utility systems.\n\nEvaluate piping materials, valves, instrumentation, and other components required to maintain high‑purity and ultra‑pure water standards.\n\nEnsure designs comply with applicable ASME and ANSI standards, California building and mechanical codes, laboratory engineering standards, and safety requirements.\n\nLCW, DI & Water Treatment Systems\n\nSupport operation and engineering of closed-loop Low Conductivity Water (LCW) and deionized water systems .\n\nMonitor critical water‑quality parameters including resistivity, dissolved oxygen, and pH.\n\nSupport chemical dosing, UV sterilization, mixed‑bed deionization, reverse osmosis, filtration, and related treatment processes.\n\nDevelop solutions to prevent biological growth, scaling, contamination, and galvanic corrosion.\n\nTroubleshoot water chemistry, resin degradation, leaks, pump failures, flow instability, thermal excursions, and related system problems.\n\nMaintain water purity and system performance while minimizing equipment corrosion and operational downtime.\n\nOperations, Maintenance & Reliability\n\nServe as a technical resource and system owner for operational water infrastructure.\n\nDevelop preventive and predictive maintenance programs.\n\nMonitor system performance, reliability, lifecycle condition, and operational availability.\n\nPerform root‑cause analysis and troubleshoot mechanical, electrical, hydraulic, and water‑quality issues.\n\nCoordinate outages, repairs, system modifications, and maintenance activities to minimize impact to facility operations.\n\nSupport rapid response to critical facility incidents and system failures.\n\nProjects, Installation & Commissioning\n\nManage water‑system projects from conceptual design through installation and commissioning.\n\nDevelop technical scopes of work, cost estimates, and project schedules.\n\nCoordinate contractors, vendors, installation teams, engineering groups, facilities personnel, operations teams, and scientific stakeholders.\n\nReview installation quality and verify conformance with engineering specifications.\n\nSupport startup, testing, balancing, readiness activities, and commissioning.\n\nPlan and execute system expansions, upgrades, and retrofits.\n\nDocumentation & Configuration Management\n\nMaintain engineering drawings, calculations, specifications, operating procedures, maintenance procedures, and system inventories.\n\nSupport configuration management and formal change‑control processes.\n\nDevelop operational standards and engineering best practices for facility water systems.\n\nSafety & Compliance\n\nPerform work in accordance with Integrated Safety Management (ISM), EH&S requirements, laboratory policies, and applicable regulatory standards.\n\nParticipate in hazard analyses, readiness reviews, and safety assessments.\n\nSupport lockout/tagout planning and safe maintenance and operational procedures.\n\nRequired Qualifications\n\nBachelor’s degree in Mechanical Engineering or a closely related engineering discipline.\n\nMinimum 8 years of relevant professional engineering experience , including substantial experience designing, operating, and/or maintaining industrial process or facility water systems; equivalent combinations of education and relevant experience may be considered.\n\nDemonstrated knowledge of Low Conductivity Water (LCW) and deionized (DI) water systems .\n\nExperience with closed‑loop cooling water systems, process utilities, mechanical infrastructure, and industrial piping systems .\n\nStrong knowledge of hydraulic and thermal system design principles.\n\nExperience developing and interpreting P&IDs, engineering drawings, flow diagrams, calculations, and technical specifications .\n\nWorking knowledge of pumps, heat exchangers, cooling towers, filtration systems, water treatment systems, instrumentation, and controls.\n\nExperience troubleshooting complex mechanical and process systems and performing root‑cause analysis.\n\nAbility to manage multiple engineering projects and priorities within an active operational environment.\n\nStrong written and verbal communication skills.\n\nPreferred Qualifications\n\nProfessional Engineer ( PE ) license.\n\nExperience supporting particle accelerators, synchrotrons, large scientific facilities, semiconductor facilities, or other high‑availability technical infrastructure .\n\nExperience with EPICS or industrial control‑system integration .\n\nExperience with vibration‑sensitive and/or thermally stable cooling systems.\n\nExperience commissioning and starting up large process or utility systems.\n\nKnowledge of reliability‑centered maintenance practices.\n\nPrevious experience supporting DOE national laboratory environments .\n\nWorking Environment\nWork may be performed in office, laboratory, mechanical‑room, construction, and industrial environments. The position may require access to confined mechanical spaces and industrial equipment areas.\n\nOccasional after‑hours or weekend support may be required during planned shutdowns, commissioning activities, maintenance events, or critical operational issues.\n\nHourly Rate: $80\n\nPosition Impact\nThe Mechanical Engineer – Water Systems plays a critical role in ensuring reliable thermal management and utility performance for the ALS-U project and long‑term ALS operations. The position directly supports facility uptime, equipment protection, operational reliability, and successful delivery of the ALS-U mission.\n\nEqual Employment Opportunity\nEssnova Solutions, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status, or any other characteristic protected by applicable federal, state, or local law.\n\n#J-18808-Ljbffr","datePosted":"2026-09-10T03:15:32.399Z","dateModified":"2026-09-10T03:15:32.399Z","hiringOrganization":{"@type":"Organization","name":"Essnova Solutions","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Berkeley","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"36cd5703cff2347d51aa6d3e"},"url":"https://jobsearcher.com/jobs/36cd5703cff2347d51aa6d3e"}}