Mechanical Estimator - ARB, Inc.

Mechanical Estimator – ARB, Inc.

Summary ARB, Inc. is on the hunt for a sharp and motivated Mechanical Estimator to help drive our projects forward with accurate, data‑driven estimates. In this role, you’ll dive into project specs, assess costs, and craft thorough estimates that set the foundation for success. If you’re analytical, tech‑savvy, and skilled at turning numbers into insights, you’ll thrive in this key support role alongside our Lead Estimator.

Join us and help shape what’s next!

• Analyze bid documents and conditions to determine scope of work.
• Quantify mechanical piping work scope from P&IDs and create detailed pipe estimates.
• Provide engineered equipment installation estimates.
• Research and understand construction sequences for equipment erection.
• Analyze blueprints, specifications, proposals, and other documentation to prepare time, cost, and labor estimates.
• Identify risks during estimates and determine proper mitigation plans.
• Evaluate various factors that influence productivity and develop accurate forecasts to assist management in making decisions.
• Collaborate with the proposal team to ensure all client requirements are satisfied.
• Request and obtain current pricing for bulk materials from suppliers.
• Obtain and evaluate subcontractor proposals.
• Attend pre‑bid meetings and job walks.

• 5-10 years in industrial construction.
• Strong understanding of mechanical systems and construction processes.
• Familiarity with the EPC contracting process, including bidding and pricing strategies.
• Ability to work in a team environment and be self‑motivated.
• Positive attitude and excellent motivation skills.
• Detail‑oriented with the ability to multitask.
• Strong interpersonal skills to interface with owner representatives, engineering firms, subcontractors, other team members, and senior management.
• Strong analytical and financial analysis skills.
• Proficiency in construction estimating software, Bluebeam, MS Project, Excel, and Word.
• Knowledgeable in Primavera.
• Bachelor’s degree in construction management or related is preferred.

• Annual salary range of $140–$175k commensurate with education, experience and skillset.
• Paid Company Holidays.
• Paid PTO.
• Medical, Dental, Vision, FSA/HSA, Short Term/Long Term Disability, 401K with matching contribution.

Primoris was formed in 2004 as the parent company and is traded on the NYSE under the symbol PRIM. We provide a wide range of construction, maintenance, and engineering services for power generation, oil and gas, chemical, pipeline, utilities and distribution, and civil infrastructure clients. Primoris is ranked in the top 1% of the prestigious Top 600 Specialty Contractors List by Engineering News-Record (ENR), having built projects throughout the U.S. and Canada.

For additional information, please visit

ARB, Inc. is the legacy subsidiary of Primoris Services Corporation that has a long history of providing maintenance, construction, fabrication, and EPC services throughout the U.S., with safety and quality as our highest value proposition. We self‑perform and deliver turnkey construction and EPC services to our clients within the energy infrastructure industry (gas processing, product storage and transportation, chemical/petrochemical, power generation, renewables, refining, and mining).

ARB Industrial forms a partnership with our customers and major stakeholders from early‑stage engineering through construction completion and commercial operation, safely, on‑time, and within budget.