Harder Mechanical Contractors, Inc.

National mechanical construction firm delivering complex piping, HVAC, and modular solutions for major projects.

682 employees

24 open positions

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Commercial

Industrial

Energy

Data Centers

Semiconductor

About Harder Mechanical Contractors, Inc.

Headquartered in Portland, with regional offices across western U.S., it has grown through tackling challenging, high

tolerance projects.

The company self

performs complex work—industrial piping, architectural sheet metal, concrete, modular skids—leveraging in

house fabrication.

Five industrial pipe fabrication shops (including high

purity cleanrooms) support ISO 9001 and over 250 ASME welding procedures.

Typical projects include airport conveyor systems, casino build

outs and power plant piping, showcasing a broad industry reach.

They stand out with agile design

assist, BIM/VDC modeling, offsite modularization, and weekly process innovation to cut costs and schedules.

Employees span multiple decades, fostering expertise continuity and mentorship across generations.

Their union signatory status and strong bonding capacity support major infrastructure and industrial contracts.

They thrive on high expectations and low fault tolerances, earning trust on technically demanding projects nationwide.

Culture & Values

Integrity in all we do.

Commitment to quality and safety.

Building relationships and trust through collaboration.

Investing in the success of our people and partners.

Striving for excellence in every project, big or small.

Quick Info

Company Size682 employees

Open Positions24 jobs available

IndustriesCommercial, Industrial, Energy +2 more

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Key Highlights

Founded 1934Year EstablishedThe company was established in 1934 as a family-owned business with humble beginnings in local plumbing services.

$393M RevenueAnnual RevenueThe company generates $393 million annually through its specialized services in mechanical construction and fabrication.

2030Net Zero TargetAiming to achieve net zero emissions by the year 2030.

Open Positions

24 jobs available

Architectural EstimatorEstimate sheet metal work for commercial building projects

Portland, OR

Full Time

Office Full-Time

Experienced (8-12 years)

6 days ago

QA/QC ManagerManage QC staff, ensure standards, oversee inspections, train, liaise with clients.

Phoenix, AZ

Full Time

Onsite

Experienced (8-12 years)

6 days ago

Project Manager -- Sheet MetalManage sheet metal projects, overseeing scope, budget, schedule, and client relations.

Phoenix, AZ

Full Time

Onsite

Experienced (8-12 years)

6 days ago

Project EngineerManage construction projects, coordinate field labor, and ensure schedule, safety, and quality.

Safety ProfessionalEnsure construction safety standards on semiconductor & renewable projects.

Phoenix, AZ

Full Time

Onsite

Experienced (8-12 years)

6 days ago

Commercial Project ManagerManage commercial mechanical projects, oversee scope, budget, schedule, client relations.

Phoenix, AZ

Full Time

Onsite

Experienced (8-12 years)

6 days ago

Estimator -- PlumbingPerform mechanical take‑offs and estimates to support bidding and project execution.

Portland, OR

Full Time

Office Full-Time

Experienced (8-12 years)

6 days ago

QA/QC InspectorOn‑site QA/QC inspector ensuring mechanical project quality and compliance.

Phoenix, AZ

Full Time

Field

Intermediate (4-7 years)

6 days ago

Field Engineer -- Recent GraduatesPlan, schedule, and oversee assigned project scope while coordinating field labor.

Field Engineer -- Recent GraduatesPlan, schedule, and execute project scopes as entry-level field engineer.

Safety ProfessionalEnsures construction safety standards on semiconductor and renewable energy projects.

Phoenix, AZ

Full Time

Onsite

Experienced (8-12 years)

1 week ago

Project Safety ManagerEnsures construction safety compliance, conducts inspections, training, and incident investigations.

Phoenix, AZ

Full Time

Onsite

Experienced (8-12 years)

1 week ago

Project Safety ManagerEnsures construction safety standards on semiconductor manufacturing projects.

Phoenix, AZ

Full Time

Onsite

Experienced (8-12 years)

1 week ago

QA/QC ManagerSupervise QA/QC staff, enforce quality standards and compliance on mechanical projects.

Phoenix, AZ

Full Time

Onsite

Experienced (8-12 years)

1 week ago

QA/QC InspectorEnsure on‑site quality standards and compliance for mechanical projects via inspections and docs.

Phoenix, AZ

Full Time

Field

Intermediate (4-7 years)

1 week ago

Field Engineer -- Recent GraduatesEntry-level Field Engineer planning and executing project scopes, coordinating field labor.

Field Engineer -- Recent GraduatesPlan, schedule, and execute assigned project scope ensuring safety, quality, and cost.

Project Safety ManagerEnsures safety on semiconductor construction, handling inspections, training, and investigations.

Phoenix, AZ

Full Time

Onsite

Experienced (8-12 years)

2 weeks ago

Project Safety ManagerManage construction safety for semiconductor projects: inspections, training, incident response.

Phoenix, AZ

Full Time

Onsite

Intermediate (4-7 years)

2 weeks ago

Field Engineer -- Recent GraduatesPlan, schedule, and execute semiconductor project scope, ensuring safety, quality, and cost.

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