Commissioning Engineer

Atlantach Technical Services is an engineering and technical solutions company specializing in Construction Management, Project Management, Commissioning and Operations & Maintenance.Industries we work inWorldwide OperationsIreland | Europe| USAJoin Our TeamAt Atlantach Technical Services, Ambition drives us to continuously improve and grow. Teamwork strengthens the collaboration and respect. Success is achieved together. Join us in shaping your career, where ambition is realised, teamwork is at our core and success is celebrated.We are seeking to hire a Process Commissioning Engineer to join our company in Chandler, AZ. The Process Cx Engineer verifies that all process utilities and specialty systems are installed, started up, tested, and ready for safe operational use.These systems include those relates to Process Gases, Process Chemicals, Ultra-Pure Water (UWP), Waste Systems, Exhaust Systems, Utilities, and Tool Hook-Up.Duties and Responsibilities:Design & Specification ReviewReview and interpret P&IDs, process flow diagrams, isometrics, and equipment data sheetsReview vendor submittals and commissioning proceduresVerify correct installation of systems and componentsPerform walkdowns and generate punch listsWitness pressure testing, flushing, cleaning, and dryingSupport loop checks, valve stroke checks, and instrument calibration verificationCoordinate and support vendor-led start‑up activitiesLevel 4 Functional TestingLead or witness functional performance testingVerify system alarms, interlocks, shutdowns, and permissivesConfirm system performance (pressure, flow, temperature, conductivity, purity, chemical concentration)Test redundancy, duty/standby changeover, and failure scenariosValidate control sequences in coordination with BMS, SCADA, and PLC teamsLevel 5 Integrated TestingSupport integrated systems testing under operational loadVerify interaction between process utilities, exhaust systems, abatement, life safety, and tool interfacesSupport recovery testing following power loss, EPO events, utility failures, and alarm scenariosDocumentation & TurnoverComplete commissioning check sheets and test scriptsMaintain FAT/SAT records and redline documentationTrack and close punch listsCompile system turnover packagesPrepare final commissioning and close‑out reportsAuthorityYou have authority to stop the job if you feel there is an unsafe work practice which could result in a risk of injury, have an environmental impact or risk to equipment and other personnel.Carry out your duties to meet Quality, Safety and Environmental requirements at all times.RequirementsBachelor's degree in engineering (Chemical, Mechanical, Electrical, or related discipline) preferred5+ years of commissioning experience on semiconductor, life sciences, or other high‑tech facilitiesStrong working knowledge of process utility systems and cleanroom support infrastructureAbility to read and interpret P&IDs, control narratives, commissioning procedures, and specificationsFamiliarity with structured commissioning methodologies (Levels 1–5)Strong coordination, reporting, and technical documentation skillsAbility to work independently and communicate effectively with clients, contractors, and vendors#J-18808-Ljbffr