Lead Plumber - Skilled and Trained

Mark III Construction • McClellan Park, CA

2d • Onsite

About The Position

Mark III Construction is seeking a skilled-and-trained Journeyman Lead Plumber for commercial and industrial projects in the Sacramento area and surrounding locations. Applicants must be able to prove graduation from an approved apprenticeship. The plumber performs skilled installation of plumbing systems and works alongside the Foreman to direct day-to-day work, guide journeymen and apprentices, and keep quality, safety, and production on track. The Lead Plumber acts as the Foreman’s point of contact and runs the crew when the Foreman is away.

Mark III is a full-service construction company with business units in MEP, service, and components. It supports projects from initial concept through long-term maintenance and self-performs electrical, HVAC, plumbing, process piping, prefabrication, and MEP design. The company is headquartered in Sacramento, California, and operates throughout California and Nevada.

This role requires commercial plumbing expertise, crew leadership, planning and coordination, and a commitment to safety and quality. The work involves jobsite conditions including heights, trenches, tight spaces, varying weather, and sustained physical activity. The company offers training and certification support and advancement opportunities to Foreman based on performance and leadership.

Requirements

• Must be able to prove graduation from an approved apprenticeship.
• Journeyman plumber license or equivalent state/local certification, or demonstrated equivalent experience and trade training per company policy.
• At least 5 years of commercial plumbing experience, including 1–2 years in a lead or mentoring role.
• Valid driver’s license and reliable transportation.
• OSHA 10 certification required.
• Ability to pass a background check and drug screen, per company policy.
• Ability to read and interpret commercial plans, specifications, isometrics, and coordination/shop drawings.
• Ability to install and lay out domestic water, sanitary, vent, storm, roof-drain, and gas systems.
• Experience with large-diameter piping, including cast iron (no-hub and hub), copper, grooved-joint systems, and CPVC/PVC.
• Experience with underground rough-in, including excavation coordination, slab penetrations, and sleeving.
• Experience installing commercial fixtures and equipment, including flush valves, ADA fixtures, water heaters and boilers, grease interceptors, sumps/ejectors, trap primers, and trench drains.
• Knowledge of testing and inspection methods, including pressure and air tests, hydrostatic tests, flushing, and disinfection.
• Working knowledge of applicable plumbing codes (CPC/UPC with local amendments).
• Experience with rigging, lifts, and heavy-equipment setting.
• Dependable, accountable, and solution-oriented, with clear communication skills and the ability to handle pressure and shifting priorities.
• Ability to be fair, respectful, and consistent with the crew.
• Ability to lift objects weighing up to 50 pounds; work at heights, in trenches, and in tight spaces; and stand, climb, bend, and kneel for long periods.
• Ability to walk long and short distances, including between worksites; perform repetitive motions; push or pull with force; crouch, squat, stoop, kneel, and twist; climb ladders; and use scissor, boom, and other personnel lifts.
• Ability to reach overhead and forward, grasp and handle materials and tools, and lift objects from low to high positions.
• Ability to communicate verbally and hear normal speaking levels and detailed sounds to avoid hazards, with or without correction.
• Visual acuity to assess the accuracy, neatness, and thoroughness of assigned work.

Nice To Haves

• OSHA 30 certification.
• Willingness to cross-train on related tasks, such as trim-out, equipment setting, or light material handling.
• Interest in advancement to Foreman based on performance and leadership.

Responsibilities

• Work alongside the Foreman to direct day-to-day plumbing work on commercial jobsites.
• Perform skilled plumbing installation while guiding journeymen and apprentices and keeping quality, safety, and production on track.
• Act as the Foreman’s point of contact and run the crew when the Foreman is absent.
• Assign and direct work for journeymen and apprentices; train and mentor apprentices and check their work.
• Track production against the schedule and report progress to the Foreman.
• Review upcoming work and identify material, tool, and manpower needs.
• Coordinate with mechanical, electrical, fire protection, framing, and the general contractor to resolve conflicts, particularly above ceilings and in shafts.
• Participate in coordination meetings and review BIM or clash drawings when applicable.
• Check deliveries, track stock, and flag shortages early.
• Support RFIs, field changes, and as-built markups.
• Assist with time tracking, daily logs, and material takeoffs as directed.
• Lead by example on PPE, housekeeping, and site rules; run or assist with toolbox talks and job hazard analyses.
• Enforce safe practices for trenching and excavation, confined spaces, hot work, fall protection, and lift operations.
• Report incidents and near-misses immediately.
• Ensure work passes inspection and meets plan, specification, and code requirements.
• Cross-train on related tasks, such as trim-out, equipment setting, or light material handling, as needed.

Benefits

• Health care plan, including medical, dental, and vision coverage.
• Retirement plan, including 401(k) and IRA.
• Life insurance, including basic, voluntary, and AD&D coverage.
• Paid time off, including vacation, sick time, and public holidays.
• Training and development.
• On-site gym.
• Company-provided training and certification support, including OSHA and medical gas.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed