General Contractor Helper Jobs in California (NOW HIRING)

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Lead the Field. Protect the Schedule. Deliver Quality from Mobilization to Closeout.

US-Offsite is a modular design-build factory and general contractor helping developers deliver high-quality modular buildings with greater speed, cost certainty, and control. Through USO Building Co., our construction teams coordinate factory-built modules with site preparation, vertical construction, subcontractor operations, and project closeout to create a more integrated and predictable building experience.

US-Offsite is hiring a Commercial Site Superintendent for its construction division, USO Building Co., to lead the safe, timely, and high-quality execution of field operations from mobilization through final closeout. This role serves as the primary on-site leader and is responsible for directing subcontractors, maintaining the project schedule, coordinating modular deliveries and setting operations, enforcing safety requirements, managing site logistics, and ensuring all work complies with project documents and company standards.

The ideal candidate is an experienced field leader who takes ownership of jobsite performance, communicates clearly, solves problems under pressure, and maintains high standards for safety, quality, organization, and accountability.

• Lead daily field operations and maintain responsibility for jobsite execution from mobilization through closeout
• Execute the project schedule and develop weekly look-ahead plans to communicate upcoming work, manpower needs, deliveries, inspections, and site priorities
• Coordinate subcontractor activities, USO field labor, material deliveries, equipment, and site resources to protect project milestones
• Identify schedule risks, field conflicts, and potential delays, and implement recovery plans in coordination with the Project Manager
• Coordinate modular deliveries, crane operations, setting activities, staging, and installation sequencing
• Lead the project-specific safety program in accordance with USO policies and OSHA requirements
• Conduct toolbox talks, safety meetings, jobsite inspections, and emergency response planning
• Enforce PPE requirements, correct unsafe conditions, and report incidents immediately
• Maintain jobsite security and safeguard tools, materials, equipment, and completed work
• Develop and maintain site logistics plans, including access points, staging areas, delivery routes, traffic control, cranes, and equipment movement
• Maintain a clean, organized, secure, and professionally presented jobsite
• Verify construction work against plans, specifications, approved submittals, and manufacturer requirements through routine inspections
• Coordinate municipal inspections, third-party testing, surveying, and required quality-control activities
• Track punch-list items and drive timely completion before turnover
• Protect completed work from weather, construction activity, damage, and interference from other trades
• Direct subcontractors and USO field personnel while verifying adequate manpower, supervision, and jobsite performance
• Lead recurring subcontractor coordination meetings and resolve sequencing, access, scope, and field conflicts
• Communicate professionally with owners, inspectors, design teams, subcontractors, vendors, and internal project staff
• Complete accurate daily reports documenting manpower, work completed, deliveries, inspections, safety activity, weather, delays, and jobsite conditions
• Review, verify, and approve time-and-material tickets, field time sheets, delivery tickets, and supporting cost documentation
• Maintain current field copies of RFIs, submittals, drawings, specifications, and approved changes
• Document field conditions that may result in RFIs, change orders, backcharges, or schedule impacts
• Maintain organized field records, including photographs, inspection logs, delivery documentation, testing records, and project as-builts
• Support warranty documentation, closeout packages, final inspections, and turnover requirements
• Participate in weekly project meetings and provide clear updates regarding schedule, safety, quality, cost impacts, and outstanding field items

• 10+ years of construction industry experience
• 5+ years of experience in Site Superintendent, General Superintendent, or comparable site-supervision roles
• 3+ years of direct hands-on field construction experience
• Experience overseeing commercial, multifamily, modular, design-build, or general contracting projects preferred
• Demonstrated ability to lead projects from mobilization through punch-list and closeout
• Strong knowledge of OSHA requirements, jobsite safety practices, site security, and emergency response procedures
• Ability to read and interpret construction drawings, specifications, contracts, submittals, RFIs, and change documentation
• Experience developing look-ahead schedules, coordinating subcontractors, and managing schedule recovery efforts
• Familiarity with modular delivery, crane, setting, staging, or installation operations is a plus
• Proficiency with scheduling, field reporting, cost tracking, and construction management tools
• Familiarity with construction contracts, time-and-material work, backcharges, and change-order management
• Strong written and verbal communication skills
• Ability to remain organized, decisive, and solutions-focused in a fast-paced field environment
• Ability to respond to project-related calls, text messages, and emails within four hours during active operations
• Comfortable using CRM access, daily reporting platforms, and other field technology on a company-provided phone or laptop
• Must be able to walk active construction sites, climb stairs and ladders, work around heavy equipment, and perform the physical duties required of an on-site field leader

• W-2 employment
• Full-time schedule, 40+ hours per week
• Base salary: $100,000-$130,000 per year, based on experience
• Realist potential earnings of $170,000
• Performance-based bonus opportunities targeted at $20,000-$40,000 annually, based on individual, project, and company performance
• Mileage reimbursement for approved business travel using a personal vehicle
• Biweekly payroll
• Benefits available after the 90-day introductory period
• 80 hours of paid vacation annually, accrued, with increases based on tenure
• 40 hours of paid sick leave per year
• 5 paid holidays: New Year's Day, Independence Day, Thanksgiving Day, Christmas Eve, and Christmas Day
• Employer-subsidized medical, dental, and vision insurance

At US-Offsite, the Site Superintendent is the field leader responsible for turning project plans into safe, organized, and successful construction operations. You will have direct ownership of daily execution, schedule performance, subcontractor coordination, safety, site logistics, quality control, and field documentation while working closely with Project Managers, design professionals, inspectors, vendors, and company leadership.

This is an opportunity for an experienced Superintendent to lead complex modular and multifamily construction projects while helping improve the way housing is delivered. If you take pride in running disciplined jobsites, holding teams accountable, solving problems quickly, and delivering quality work from mobilization through closeout, this role offers significant responsibility, performance-based earning potential, and the opportunity to make a lasting impact within a growing construction company.

US-Offsite encourages applications from qualified candidates of all backgrounds and experiences.