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Assistant Construction Manager | Water & Wastewater Infrastructure

Own Your Future at Psomas Join a 100% employee-owned firm built for long-term thinking, shared success, and meaningful impact.

As our Assistant Construction Manager for our Construction Management Team in the San Francisco Bay Area, you'll help deliver some of Northern California's most significant water and wastewater infrastructure projects. Working as an owner's representative, you'll support multi-million-dollar capital improvement programs involving treatment plant upgrades, pipelines, pump stations, and recycled water facilities that improve public health, environmental sustainability, and long-term system reliability. You'll collaborate with public agencies, contractors, engineers, and stakeholders while gaining valuable experience on complex heavy civil and utility infrastructure projects from construction through completion. Our CM team members work on site daily; therefore, candidates must reside locally and/or be able to make the daily commute. This particular opening is to work on multi-year projects in Sunnyvale and/or Union City. Future assignments may vary.

Why Psomas

• Shared Success: An ownership culture that rewards long-term thinking and doing what's right.
• Retirement Benefits: Company-funded ESOP + 401(k) with immediate match.
• Career Growth: Clear pathways, coaching, and leadership development.
• People-First Culture: Collaborative teams that invest in your development.
• Meaningful Work: Community-impact projects plus ways to give back.

What You'll Do

As our Assistant Construction Manager, you'll support the successful delivery of complex water, wastewater, and public infrastructure projects while serving as a key liaison between owners, contractors, designers, and stakeholders.

• Construction Oversight & Owner Representation Support field construction activities on large-scale capital improvement projects, overseeing contractor performance, quality, safety, schedule adherence, and compliance with contract requirements.
• Contract Administration & Construction Documentation Assist with RFIs, submittals, change orders, pay applications, meeting documentation, and project correspondence to support effective project controls and contract administration.
• Project Tracking & Risk Management Monitor project schedules, budgets, and construction progress while identifying potential risks, conflicts, and delays and supporting timely resolutions.
• Stakeholder Coordination & Client Support Work closely with public agency clients, contractors, design consultants, utility providers, and regulatory stakeholders to maintain alignment and facilitate successful project delivery.
• Field Engineering & Problem Solving Participate in construction meetings, evaluate field conditions, support issue resolution, and contribute to practical solutions that keep projects moving forward.

Required Qualifications

• Bachelor's Degree in Civil Engineering, Construction Management, or a related discipline
• Active California Professional Engineer (PE) license or Certified Construction Manager (CCM); or Engineer in Training (EIT) certification with the ability to obtain professional licensure within two years
• 5+ years of experience supporting construction management, resident engineering, owner's representative services, or design of public works, water/wastewater, or heavy civil infrastructure projects
• Experience with water treatment plants, wastewater treatment facilities, recycled water systems, pipelines, pump stations, industrial facilities, power generation, petrochemical, or similar process infrastructure projects
• Knowledge of construction administration, contract documentation, RFIs, submittals, change orders, and project controls for municipal projects
• Experience supporting large-scale public infrastructure projects and/or capital improvement programs is highly desirable
• Ability to work on-site in active construction environments, including walking uneven surfaces, climbing, and exposure to varying site conditions

Compensation & Benefits

• Pay Range: $135,200 - $168,480 /annually (commensurate with experience)
• Vehicle Benefit: Auto allowance or company provided vehicle
• Incentives: Discretionary bonus and recognition programs
• Time Off: 3 weeks PTO plus 8 paid holidays
• Total Rewards: Comprehensive medical, dental, and vision coverage for you and your family, along with employee ownership and retirement benefits.

Our Hiring Approach

Our recruiting team reviews every application personally and will keep candidates informed throughout the process. If a candidate's background aligns with what we need, we'll reach out to discuss next steps.

Equal Opportunity Employer

We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, national origin, disability status, protected veteran status, sexual orientation, gender identity, or any other characteristic protected by law.