[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Mitsubishi Heavy Industries jobs](https://jobs.opennash.com/companies/mitsubishi-heavy-industries/) · [Search jobs](/search/) Mitsubishi Heavy Industries · Lake Mary, FL # Principal Engineer, Layout & Piping Design Lake Mary, FL, US Senior individual contributor Design Listed on Mitsubishi Heavy Industries’s official careers site. Posted September 23, 2026. Check that it is still open and apply there. [Apply on Mitsubishi Heavy Industries’s careers site →](https://mhicareers.com/job/Lake-Mary-Principal-Engineer%2C-Layout-&-Piping-Design-FL-32746/1370104133/) [OpenNash Jobs](https://jobs.opennash.com/) / [Mitsubishi Heavy Industries](https://jobs.opennash.com/companies/mitsubishi-heavy-industries/) / Principal Engineer, Layout & Piping Design ## Job description Principal Piping Layout & Piping Design Engineer Company Overview At Mitsubishi Power, we're not just building better clean energy technologies; we're architecting a better future. Our team is boldly redefining power generation to accelerate the world's energy transition. We operate as one team, pushing toward our vision of the future. We value problem solvers, prioritize collaboration, and support each other in an inclusive culture built on accountability and authenticity by demonstrating our values: Safety, Family, Innovative, Inclusive, Accountable & Courageous. Together, we’re building the future we all aspire to - making net zero a reality. ### Role Overview The Principal Piping Layout & Piping Design Engineer serves as the highest-level technical authority for piping system layout, plant arrangement, and detailed piping design for Simple Cycle (SC) and Combined Cycle (CC) power plant projects across the Americas. The role leads the creation of safe, code-compliant, maintainable, and constructible piping systems within the 3D plant environment and ensures seamless integration across all project disciplines. ### Key Responsibilities Develop and own plant arrangement philosophy for Simple Cycle and Combined Cycle power plants. Lead development and review of 3D plant models including equipment layout, pipe racks, structural interfaces, and maintenance access. Define and optimize layout strategies for GT, HRSG, ST, ACC/cooling, fuel gas, service water, fire protection, and BOP systems. Interpret and apply codes and standards including ASME B31.1, B31.3, ASME Sections I & VIII, API, NFPA, MSS-SP, and PFI. Ensure piping designs comply with project specifications, industry codes, and regulatory requirements. Review contracts and schedules to define piping scope, deliverables, and milestones. Participate in project kickoff meetings and maintain piping master document lists. Review and approve P&IDs, material specifications, valve lists, and specialty items. Provide oversight in piping stress analysis using CAESAR II. Lead interdisciplinary model reviews at key project milestones (30%, 60%, 90%). Provide field engineering support during construction, installation, system walkdowns, and commissioning. Mentor engineers/designers and support development of procedures, checklists, and standards. Review piping isometrics, mechanical drawings, and equipment drawings to ensure design intent. Identify nonconformances and drive corrective action to improve design quality and execution. Support EPC, customer, and internal meetings and resolve project issues through warranty periods. Assist purchasing in supplier qualification and support application engineering reviews. Travel up to 20%, including possible international travel. ### Requirements Bachelor’s degree in engineering and 15+ years of relevant technical experience. Ability to interpret business periodicals, journals, procedures, regulations, and prepare technical documentation. Experience applying mathematical concepts including probability, statistics, geometry, and trigonometry. Ability to interpret technical instructions and manage abstract or variable technical scenarios. Proficiency with 3D model navigation tools and CAESAR II; experience with spreadsheets, word processing, email, and PDF software. Knowledge of ASME Section II, PCC, MSS-SP, PFI piping codes and standards. Experience with welding and NDE processes. Ability to meet physical requirements including standing, walking, and lifting 25–50 pounds; work in moderate-to-loud environments with hearing protection as needed. Why Should You Apply? Excellent Benefits (Medical, Dental, Vision & 401K Matching). Excellent development programs and advancement opportunities. Tuition reimbursement and on-the-job training. Paid vacation, sick time, and holidays. Committed to quality products and services. Great working environment and culture. Employee Appreciation Programs and Event. Mitsubishi Power is an Equal Employment Opportunity (EEO) employer actively seeking to diversify the workforce and is committed to a policy of equal employment opportunity. Therefore, all qualified applicants regardless of race, color, religion, gender, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally recognized protected basis under applicable law, are strongly encouraged to apply. #EngJ #LI-JR1 #LI-ONSITE ## At a glance - Posted by the employer: Sep 23, 2026 - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 20, 2026 - Listed for: 27 days - Location: Lake Mary, FL, US[Apply on Mitsubishi Heavy Industries’s careers site →](https://mhicareers.com/job/Lake-Mary-Principal-Engineer%2C-Layout-&-Piping-Design-FL-32746/1370104133/) ## More jobs at Mitsubishi Heavy Industries ### [Associate, Graphic Design](https://jobs.opennash.com/companies/mitsubishi-heavy-industries/jobs/ab48865290115b85de48/) Lake Mary, FL, US ### [Associate, Project Management](https://jobs.opennash.com/companies/mitsubishi-heavy-industries/jobs/775656b8437cd5789060/) Lake Mary, FL, US ### [Associate, Social Media Marketing](https://jobs.opennash.com/companies/mitsubishi-heavy-industries/jobs/540ffa8a67bd8470ddca/) Lake Mary, FL, US ### [Civil & Structural Engineer III](https://jobs.opennash.com/companies/mitsubishi-heavy-industries/jobs/b85df554e8c51fa745f9/) Lake Mary, FL, US ### [Commercial Operations Manager](https://jobs.opennash.com/companies/mitsubishi-heavy-industries/jobs/d045e424c8cf06f01681/) Lake Mary, FL, US ## Similar jobs at other companies ### [Lead Plant Layout & Piping Engineer](https://jobs.opennash.com/companies/linde/jobs/755b9db374286b152cf3/) Linde · Tonawanda, NY, US ### [PCB Layout Design Engineer](https://jobs.opennash.com/companies/lockheed-martin/jobs/223f969626c59a23169e/) Lockheed Martin · Orlando, FL ### [Standard Cell Layout Engineer](https://jobs.opennash.com/companies/qualcomm/jobs/c951d0c8ab33f5b79db5/) Qualcomm · Tijuana, Baja California, Mexico ### [Microwave Design and Layout Engineer](https://jobs.opennash.com/companies/microsoft/jobs/df35e663dde63739f396/) Microsoft · United States, Washington, Redmond ### [Principal / Sr. Principal PCB Layout Design Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/06d463a3dc6a02fc9f7f/) Northrop Grumman · United States-California-Woodland Hills OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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