Assistant Project Manager - Order Contracting & Emergency Services - Water & Wastewater Construction

Position: Assistant Project Manager - Job Order Contracting & Emergency Services - Water & Wastewater Construction
Job Opportunities

Assistant Project Manager - Job Order Contracting & Emergency Services - Water & Wastewater Construction

Water and Wastewater - Tomball, Texas

McCarthy Building Companies, Inc. is America's premier, 100% employee-owned commercial construction company. With offices nationwide, we specialize in a wide range of project types that are as diverse and wide-ranging as the communities in which we build. Our innovative teams collaborate with clients and industry partners throughout the project life cycle, starting in the earliest stages of design, throughout construction and beyond project completion.

McCarthy's reputation for tackling the toughest building challenges starts with our focus on developing high-performing individuals and teams. We do this through our award-winning training programs, a best-in-class Total Rewards benefits program, and a focus on equipping diverse teams of employee owners through a connected and inclusive culture aligned with our core values of:
Genuine. We, Not I. All In.

How do McCarthy partners define our culture?

* We Live Our Core Values:
We do whatever it takes to deliver on our promises with honesty and integrity.

* We are Employee Owned:
We are personally invested in building the things people need in our communities.

* We Feel Like a Family:
We value genuine connections and help each other succeed in an inclusive environment.

* We are Builders:
We respect the work we do and everyone who helps make it happen safely.

POSITION SUMMARY

The Assistant Project Manager/Office Manager - Job Order Contracting & Emergency Services plays a critical role in the financial and operational management of fast-paced water and wastewater construction projects. This position is heavily focused on cost tracking, material procurement, invoicing, accounts receivable management, forecasting, and coordinating multiple moving pieces across ongoing service contracts.

Based in Tomball, TX, this role supports Job Order Contracting (JOC) and emergency response projects that require rapid pricing, accurate documentation, disciplined cost control, and proactive communication with field crews, vendors, and clients. The Assistant Project Manager/Office Manager works closely with Project Managers and field leadership to ensure projects are properly tracked, billed, and forecasted, while keeping schedules, documentation, and team members aligned.

This position requires strong financial discipline, attention to detail, and the ability to manage competing priorities in a high-response environment.

RESPONSIBILITIES

Project Cost Management

* Track, and manage detailed cost proposals under JOC contract frameworks

* Build and maintain project-specific cost breakdowns consistent with contract unit pricing

* Assist with scope development and pricing documentation for client approval

* Establish and maintain accurate job cost tracking for multiple concurrent projects

* Monitor labor, equipment, subcontractor, and material costs in real time

* Assist in maintaining project-level forecasts and cash flow projections

* Support monthly cost reviews and profitability reporting

Material Procurement & Vendor Coordination

* Track purchase orders, delivery schedules, and vendor invoices

* Maintain strong working relationships with local suppliers and subcontractors

Invoicing & Accounts Receivable

* Prepare and submit timely and accurate owner invoices in accordance with contract terms

* Track payment status and actively manage accounts receivable aging

* Coordinate with accounting to resolve billing discrepancies

Operational Coordination

* Support communication between field crews, superintendents, vendors, and clients

* Maintain organized project documentation and digital records

* Help manage scheduling updates and project reporting

* Keep project stakeholders aligned on deadlines, financial status, and deliverables

QUALIFICATIONS

* Bachelor's Degree in Construction Management, Accounting, Business, Engineering, or related field preferred

* 3-7 years of experience in water/wastewater construction, service contracting, or JOC environments

* Strong understanding of job cost accounting and construction financial controls

* Experience managing invoicing, accounts receivable, and forecasting

* Ability to work effectively in a fast-paced, service-oriented construction environment

* Highly organized with strong attention to detail

* Proficient in construction management and accounting software systems

* Strong communication skills and ability to coordinate across multiple stakeholders

* Self-motivated with the ability to manage competing priorities

McCarthy is proud to be an equal opportunity employer, including disability and protected veteran status.

NOTICE TO EXTERNAL SEARCH FIRMS:
McCarthy's Talent Acquisition Team is the only authorized representative permitted to engage with external search firms, staffing agencies, or other third-party recruiting partners. McCarthy maintains an Approved Agency List for recruiting partners, which is reviewed and updated…