Senior Mechanical Site Engineer
First seen by Alion on Nov 3, 2026.
highly experienced and hands-on Senior Mechanical Site Engineer to lead and supervise mechanical site execution activities for infrastructure and firefighting works.
The successful candidate will be responsible for managing daily site operations, supervising manpower and subcontractors, coordinating with other disciplines, ensuring compliance with approved drawings and technical specifications, and delivering project activities in accordance with the approved schedule, quality standards, and safety requirements.
The ideal candidate must have proven practical experience in both underground mechanical infrastructure networks and firefighting systems, with the ability to independently manage site execution and resolve technical and operational challenges.
Job Requirements
Bachelor's degree in Mechanical Engineering.
8–10 years of relevant experience in mechanical construction and site execution.
Mandatory hands-on experience in both mechanical infrastructure and firefighting systems.
Proven ability to independently manage mechanical site activities, work fronts, manpower, and subcontractors.
Strong practical knowledge of firefighting systems, including fire pumps, sprinkler networks, standpipes, hose reels, fire hydrants, and associated equipment.
Proven experience in underground infrastructure networks, including fire water lines, water supply networks, drainage systems, and associated utility piping, as applicable to the project.
Practical knowledge of excavation coordination, pipe bedding, pipe laying, jointing, levels, alignment, backfilling, and underground network testing.
Good understanding of applicable codes and standards, including relevant NFPA standards, approved project specifications, and engineering drawings.
Ability to read and interpret IFC drawings, shop drawings, coordination drawings, and technical specifications.
Experience in reviewing material submittals, method statements, technical submittals, and inspection requirements.
Knowledge of testing, commissioning, pressure testing, flushing, and system acceptance procedures.
Experience coordinating with consultants, main contractors, civil teams, electrical teams, QA/QC engineers, and HSE personnel.
Proficiency in AutoCAD and Microsoft Office, particularly Excel.
Strong leadership, communication, planning, problem-solving, and reporting skills.
Ability to work under pressure, manage competing priorities, and meet project milestones.
Requirements
Proven experience in mechanical site execution, particularly infrastructure and firefighting systems.
Experience in large-scale infrastructure, residential, commercial, industrial, or mixed-use projects.
Strong experience in managing site teams, subcontractors, and multiple work fronts.
Good knowledge of technical drawings, specifications, quality control, testing, commissioning, and handover procedures.
Experience coordinating with consultants, main contractors, and project management teams.
Strong planning, reporting, problem-solving, and coordination skills.
Ability to achieve project targets while maintaining quality and safety standards and working independently on site.