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Mechanical Estimator

Job in Irvine, Orange County, California, 92713, USA
Listing for: ARB, Inc
Full Time position
Listed on 2026-06-24
Job specializations:
  • Engineering
    Estimator, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 140000 - 175000 USD Yearly USD 140000.00 175000.00 YEAR
Job Description & How to Apply Below
Position: Mechanical Estimator - ARB, Inc
Job Overview:

Summary Join a leading EPC powerhouse as a Mechanical Estimator, where you’ll develop accurate, insight-driven estimates that shape major industrial projects. You’ll dig into P&IDs, assess mechanical piping and equipment installation scopes, collaborate closely with proposal and engineering teams, and help deliver competitive, high-quality bids. If you’re a detail-oriented mechanical professional with strong analytical skills and EPC estimating experience, this role puts you at the center of project success.

We are seeking a Mechanical Estimator to prepare accurate estimates for projects by gathering information and analyzing important metrics. The Mechanical Estimator will be responsible for understanding project requirements, identifying the costs involved, and preparing detailed estimates. The ideal candidate will have strong analytical abilities, be proficient in computer applications, and be skilled in creating detailed reports for the Lead Estimator.

Key Responsibilities 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.

Skills and Qualifications 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.

Compensation/Benefits 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#LI-CM1

Company Overview:

ARB, Inc. 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).Benefits:

Competitive compensation, paid weekly.

Best-in-class medical, dental, vision, and LTD/STD coverage.
401(k) with company match, vested on day one.

Employee Stock Purchase Plan [ESPP].Pet coverage for your furry friends.

Legal assistance coverage.

Award-winning safety programs.

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

Agency Statement We are not accepting resumes from Third Party Recruiting Firms for this position. If you are an Agency or Search firm representative, contact the Primoris Talent Acquisition Manager directly for consideration. Primoris or its subsidiaries will not be responsible for any fees arising from the use of resumes and online response forms through this source. In addition, Primoris or its subsidiaries will not be responsible for any fees on unsolicited resumes that are submitted to any member of the Staffing or Operations team.

Primoris has established an approved vendor program for this service and will only consider accepting submissions from those approved firms. For consideration in becoming an approved vendor, contact HR.Equal Opportunity Employer This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.
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