Plumbers Assistant Jobs in Arizona (NOW HIRING)

Service Plumber I - IV

Position Overview

As a Service Plumber (Levels I–IV), you'll play a vital role in commercial plumbing service, progressing from entry-level assistance to master-level expertise in maintaining, repairing, installing, and troubleshooting plumbing systems across diverse facilities including hospitals, schools, offices, retail spaces, and industrial sites. Work on hands-on tasks—from basic fixture repairs and preventive maintenance to leading complex service calls, crew oversight, project planning, and system commissioning—collaborating with teams, foremen, and clients to deliver code-compliant, reliable solutions that ensure safety, efficiency, and sustainability nationwide. Our people-first culture invests in your growth at every level with structured training, mentorship, apprenticeships, certifications (e.g., backflow, medical gas), and clear advancement paths, empowering you to build a rewarding career while keeping critical plumbing infrastructure running flawlessly for communities to thrive.

Duties and Responsibilities Duties vary by level, with increasing independence, complexity, leadership, and responsibility:

• Level I (Entry-Level): Assist experienced plumbers with preventive maintenance, inspections, cleaning drains/fixtures, replacing basic components (washers, seals, gaskets), and minor repairs under direct supervision; perform general site support (tool/parts prep, cleanup, material handling); participate in safety briefings and learn plumbing codes, systems, and best practices through on-the-job training.
• Level II (Mid-Level): Independently handle routine to moderately complex repairs, installations, and maintenance (pipe repairs, fixture replacements, backflow testing, leak detection, system flushing); lead standard service calls, document work accurately, and begin mentoring Level I plumbers by demonstrating techniques and safety practices.
• Level III (Senior/Journeyman-Level): Lead advanced service calls with minimal supervision; perform complex diagnostics, repairs, and installations (hydronic systems, medgas, backflow prevention, boiler/pump servicing); conduct preventive programs, water quality testing, and system optimizations; provide daily guidance, training, and direction to Levels I–II plumbers; ensure code compliance and high-quality customer communication.
• Level IV (Master/Lead-Level): Collaborate with General Foreman, Superintendent, and Project Manager to develop service plans, labor/material requirements, takeoffs, and field surveys; oversee daily crew functions, scheduling, inspections, weekly reports (safety/production), and startup/commissioning coordination; proactively resolve issues, train/mentor the team on advanced techniques and safety, and drive efficiency across jobsites.

All levels: Enforce and uphold strict safety protocols (daily hazard assessments, toolbox talks, PPE usage); document work, progress, and incidents accurately; actively pursue personal/professional growth in commercial plumbing practices, codes, and technologies.

Supervisory Responsibilities Varies by level:

• Level I amp; II: None (individual contributor; may offer informal guidance to lower levels).
• Level III: Provides coaching, mentoring, and technical guidance to Levels I–II; may lead small service crews or coordinate with subcontractors.
• Level IV: Direct leadership and supervision of plumbing crews; delegates tasks, monitors performance/safety/compliance, resolves conflicts, and collaborates with field leadership.

Requirements/Qualifications

• Experience (varies by level):
  • Level I: 0–2 years in plumbing, mechanical, facilities maintenance, construction, or related field; no prior commercial plumbing experience required—strong mechanical aptitude and eagerness to learn essential.
  • Level II: 2–5 years in commercial plumbing service/repair/installation; demonstrated ability to work independently on routine to moderately complex tasks.
  • Level III: 5+ years with journeyman-level proficiency; proven mastery in diagnosing/resolving advanced issues independently.
  • Level IV: 5+ years (typically 8–10+ preferred) with full mastery; experience leading crews, planning service execution, and managing complex jobs.
• Education: High school diploma or GED required; trade school, vocational training, apprenticeship, or equivalent preferred.
• Certifications/Licenses: Valid driver's license and clean driving record required; journeyman plumber license (or ability to obtain) preferred for Levels III–IV; backflow prevention certification a plus (required for higher levels); medical gas certification preferred for advanced roles; OSHA 10/30-hour encouraged (company support provided).
• Physical Demands: Ability to regularly lift/carry up to 50 lbs, climb ladders/scaffolding/stairs, work in confined spaces or at heights, bend/kneel/crouch, reach overhead, and use tools/equipment for extended periods; frequent standing, walking, manual dexterity, and physical stamina required.
• Work Environment/Safety: Primarily field-based in commercial/industrial settings (indoor/outdoor, mechanical rooms, rooftops, varying weather); exposure to noise, dust, heights, water, sewage, chemicals, and confined-space hazards; must adhere to OSHA regulations, plumbing codes (IPC/UPC), conduct hazard identification, and wear required PPE (hard hats, safety glasses, gloves, respirators as needed, steel-toed boots) at all times—safety is our top priority and non-negotiable. This is a safety-sensitive position. Frequent regional travel within assigned market, on-call rotations, and flexible hours (including evenings/weekends/emergencies) may be required.

Required Skills (Progressive by level)

• Level I: Basic plumbing/mechanical aptitude, tool familiarity (wrenches, cutters, torches, snakes), safety awareness, ability to follow instructions.
• Level II: Troubleshooting/repair of routine systems, backflow testing basics, customer communication, documentation/reporting.
• Level III: Advanced diagnostics across hydronic/domestic/drainage/medgas, code compliance, mentoring, OSHA 30-hour preferred.
• Level IV: Project planning/takeoffs, crew supervision/training, reporting, decision-making under pressure, excellent communication/follow-through.

Modigent Overview

Modigent is a national leader delivering next-generation infrastructure, technology, and energy solutions through our family of specialized brands in HVAC, plumbing, and controls systems. With a strong coast-to-coast presence and extensive service capabilities, we empower customers, communities, and our over 1,500 team members to thrive with sustainable, efficient commercial building services. As part of our team, you'll contribute to thoughtful innovation and our people-first culture rooted in service, collaboration, and integrity.

Why Work at Modigent

• Competitive compensation based on experience and level, with opportunities for performance incentives and tool allowances where applicable.
• Comprehensive benefits including medical, dental, and vision coverage, plus HSA options with employer contributions in select plans, and company-paid basic life and accidental death amp; dismemberment insurance.
• Paid time off, holiday pay, and a 401(k) retirement savings plan to support your long-term financial well-being.
• Professional development through hands-on training, mentorship, apprenticeships, certifications, and clear career advancement paths across our nationwide operating companies.
• Inclusive, supportive culture that values diversity, dignity, respect, collaboration, integrity, and personal fulfillment—empowering you to build a rewarding, long-term career.

Equal Opportunity Statement

Modigent is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, national origin, age, disability, veteran status, genetic information, or any other protected characteristic.

Third-Party Recruitment Policy

Modigent and its wholly-owned operating companies will not pay any fees for candidate introductions, resumes, or placements from recruiters, employment agencies, or staffing firms without a prior, signed recruitment agreement specifically authorizing submission for a designated position. Unsolicited resumes or candidate submissions will not obligate Modigent to any payment, and we reserve the right to pursue and hire such candidates without liability. Agencies are requested to refrain from contacting hiring managers directly; all inquiries and submissions must go through our Talent Acquisition team.