Pipe Stress Engineer

Gradiant is a global solutions provider for advanced water and wastewater treatment. We are a different kind of water company. With a full suite of differentiated and proprietary end to end solutions, powered by the top minds in water, the company serves its clients mission critical operations in the world's essential industries. Gradiant's Innovative solutions reduce water used and waste water discharged, reclaim valuable resources, and renew wastewater into Freshwater. The Boston-Headquartered Company was founded at MIT and has over 1000 employees worldwide. Singapore is our Regional Headquarters and home to our Global Innovation Centre. Learn more at gradiant.com

Responsibilities

• Knowledge of general piping design, support design and 3D softwares
• Knowledge on codes (ASME B31.3 (including Fluid Service Category M), ASME NM.1, ISO 14692, ASCE 7)
• Preparation and issuance of project piping stress specifications and stress-critical line lists
• Coordination with piping and layout team
• Load transfer and coordination with the civil/structural team for support design
• Identification of stress systems through review of P&IDs and line designation tables
• In-depth Knowledge of stress analysis softwares like CAESAR II, ROHR 2 or AutoPIPE
• Preparation of stress isometrics and definition of load cases (sustained, thermal, operating, occasional – wind, seismic, relief, water hammer, etc.)
• Equipment nozzle load analysis and compliance for compressors, centrifugal pumps, tanks, heat exchangers etc.
• Expansion loop design and flexibility analysis
• Optimization of support spans and selection of support types (anchors, guides, Rigid hangers, and spring hangers)
• Flange leakage checks as per ASME codes (e.g., ASME VIII Div. 1 / B31.3)
• Review and sign-off of piping isometrics, ensuring proper flexibility and support placement
• Evaluation of local stresses using code cases WRC 107/297 for large scale WTP
• Preparation and maintenance of detailed stress analysis reports and support documentation
• Review of vendor documents for thermal nozzle loads and flexibility checks
• Participation in design reviews and checking of supplier drawings and data
• Providing technical direction and assigning work to junior engineers
• Experience across sectors including Power, Oil & Gas, Water Treatment, and Semiconductor Projects

Requirements

Specialized Expertise

Water Treatment Plants

• Stress analysis for large-diameter piping systems used in water transmission lines and force mains
• Pressure surge and water hammer analysis for pumps and valve systems
• Analysis of gravity flow piping in wastewater systems (e.g., sewage, stormwater)
• Consideration of corrosion effects and material compatibility
• Analysis of nozzle loads on tanks and pump stations
• Thermal expansion analysis in outdoor water distribution systems

Double Containment Piping

• Stress analysis considering interaction between primary and secondary pipes
• Handling of pressure differentials and independent thermal movement
• Seismic, thermal, and support system design for containment piping
• Prevention of interference or over-stressing between inner and outer piping systems

Non-Metallic Piping Systems

• Stress analysis of non-metallic piping such as FRP, HDPE, PVC, PVDF, ECTFE, PP and composite systems
• Assessment of thermal and pressure behaviour under varying environmental conditions
• Fatigue and impact analysis under cyclic loading
• Evaluation of joint integrity, deflection limits, and support spacing
• Installation considerations unique to non-metallic materials
• Expertise in ROHR-II for accurate stress modelling of non-metallic piping systems

Gradiant is an equal opportunity employer. Qualified applicants will be considered without regards to race, color, region, creed, gender, identity, marital status, national origin, age, veteran status, disability, or any other protected class.