Union Pipeline Laborer Jobs in Riverside, CA (NOW HIRING)

Location: Corona, CA
Compensation: Competitive base salary (commensurate with experience)

For more than 25 years, we have been Southern California’s premier pipeline contractor, specializing in the installation of wet utilities including sewer, water, storm drain systems, and fire lines. We deliver both conventional and highly complex pipeline projects for leading commercial, industrial, and residential builders, as well as municipalities, utilities, and contractors.

We are proud to have been recognized as a Top Workplace for six consecutive years, and we remain committed to maintaining a culture built on safety, teamwork, and mutual respect — for our employees, clients, and partners. As proud members of the Laborers’ Union, we support the ongoing success and well-being of our team, their families, and our community.

We are seeking a highly experienced Senior Estimator to join our team in Corona, CA. This role is responsible for leading the planning, coordination, and development of detailed and accurate project cost estimates for wet pipeline construction projects.

The Senior Estimator serves as a key technical and strategic resource, analyzing data, evaluating cost drivers, and preparing comprehensive estimate reviews and presentations. This position reports directly to the Chief Estimator and offers the opportunity to influence company success across major infrastructure projects.

Prepare detailed cost estimates for wet pipeline projects, including labor, materials, equipment, subcontractors, and related indirect costs.

Attend client pre-bid meetings and job site visits; document all relevant information gathered during the RFQ and pre-bid process.

Review and analyze project drawings, specifications, and soils reports to determine accurate scopes of work.

Develop and communicate estimate assumptions, resource requirements, and cost breakdowns.

Maintain open communication with internal departments, project managers, and clients throughout the estimating process.

Apply approved costing methodologies, data systems, and historical performance data to create consistent, reliable estimates.

Lead or participate in bid reviews, ensuring estimates align with company objectives and client expectations.

Mentor and support junior estimators and administrative staff; provide guidance, feedback, and training.

Collaborate with project teams post-award to assist with takeoffs, change orders, constructability reviews, and cost forecasting.

Coordinate and evaluate bid submissions and subcontractor proposals.

Provide interim departmental oversight or leadership support as needed.

Perform additional duties as assigned by senior leadership.

Minimum 10+ years of experience in project cost estimating or project management within the wet pipeline industry.

Strong understanding of civil drawings, water district standards, soils reports, and project specifications.

Proficiency in plan takeoffs using Planswift, OST, Bluebeam, or similar software.

Proficient in Microsoft Office Suite (Excel, Word, Outlook, Project).

Excellent communication and interpersonal skills with the ability to perform in a fast-paced, deadline-driven environment.

Demonstrated leadership skills and ability to train and mentor junior staff.

Advanced knowledge of construction means, methods, and sequencing.

Skilled in preparing detailed cost estimates covering labor, materials, equipment, subcontractors, and indirect costs.

Strong quantity takeoff and cost analysis experience.

Proficiency in estimating software (HeavyBid, HCSS, Sage, Bluebeam, Timberline).

Ability to interpret complex plans, specifications, and contract documents.

Understanding of market pricing, unit costs, and cost trends.

Proven experience in developing competitive bids, proposals, GMP, and lump-sum estimates.

Competency in value engineering, risk assessment, and constructability evaluation.

Excellent mathematical, analytical, and critical-thinking skills.

Strong written and verbal communication skills.

Ability to present estimate assumptions and results to executives, clients, and project teams.

Skilled at negotiating with subcontractors and suppliers.

Proven ability to work cross-functionally with engineers, project managers, and field personnel.

Experience in mentoring and developing estimating teams.

Strong relationship-building skills with clients, subcontractors, and vendors.

Humble and collaborative leadership style.

High attention to detail and accuracy.

Strong problem-solving and decision-making abilities.

Ability to work independently with minimal supervision.

Excellent time management and organization skills.

Integrity, professionalism, and sound judgment in all interactions.

Bachelor’s degree in Construction Management or Civil Engineering preferred.

Equivalent combinations of education and experience will be considered.

This is an opportunity to join a Top Workplace award-winning contractor that values expertise, teamwork, and personal growth. As a Senior Estimator, you’ll be part of a respected team shaping Southern California’s infrastructure, supported by a company that truly invests in its people, safety, and success.