Millwright Helper I

Clean Energy & Infrastructure Services; Rapid City (SD); On-site; USD 67,502,000 - 74,390,000; Full time

Benefits offered by this job

401(k) with company match

Medical, Dental, Vision insurance

Shift differential

Job summary

MasTec Clean Energy & Infrastructure is seeking personnel for installation, removal, and modification of heavy industrial machinery and equipment on a Rapid City project site. The role emphasizes safety, precise measurement, and coordination with foremen and crews to execute tasks across multiple trades.

The position requires reading drawings, using hand and power tools, and potentially long shifts with travel to project sites.

Qualifications

• 1–2 years related experience and/or training or equivalent combination of education and experience
• Be knowledgeable of MIC Health and Safety programs and project specific regulations
• Read and interpret documents such as safety rules and manuals
• Ability to perform basic arithmetic and measurements

Responsibilities

• Read and interpret measuring tools to perform tasks accurately
• Understand Plant North and drawing coordinates
• Assist in moving machinery and equipment
• Assemble and install equipment using hand/power tools
• Assist in constructing foundations for machinery and equipment
• Support project with other tasks as directed by supervision

Skills

Measuring tools

Safety programs

Tool usage

Reading drawings

Communication

Tools

Hand tools

Power tools

Hoists

Job description

Job Locations

US-SD-Rapid City

Company Overview

MasTec Industrial and Phoenix Industrial have built and maintained vital industrial infrastructure across North America since 1947. We serve clients across energy transition, industrial processing, sustainable solutions, mining, and power generation, delivering everything from construction services to full EPC execution. Our teams combine hands‑on construction expertise with engineering, project management, fabrication, startup, and commissioning capabilities to deliver complex industrial projects.

Our work matters because the facilities we help power communities, support industry, and keep the economy moving. We take pride in tackling complex challenges, delivering quality work, and leaving every project stronger than we found it. We are committed to safety, quality, and delivering results, while creating opportunities for our people to grow their careers, develop new skills, and leave a lasting mark on the projects they help build. Hardworking professionals drive our success and value teamwork, accountability, craftsmanship, and getting the job done right.

The MasTec Industrial operating group is part of the MasTec Clean Energy & Infrastructure (CE&I) business segment. The CE&I segment generates over $4.5 billion in annual revenue, providing construction services across our renewables, industrial, infrastructure, and general building operating groups. Sustainability and safety are foundational to our culture and influence everything we do.

MasTec, a minority‑owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and growth in dynamic environments. Join one of the largest construction firms in the country (Engineering News-Record #1 in Power, #16 Top 50 Domestic Heavy Contractors, #13 Transportation Contractor).

POSITION SUMMARY

To install, remove, and/or modify; machinery and equipment pertaining, but not limited to heavy Industrial applications.

Responsibilities

• Read and interpret measuring tools such as, tape measure, speed square, framing square...etc. in order to perform task accurately.
• Fully Understand Plant North and drawing coordinates.
• Assist in the act of moving machinery and equipment using, hoists, dollies, rollers, and trucks.
• Assist in the assembling and install various types of equipment and machinery using hand tools and power tools.
• Assist in the construction foundations for machinery and equipment using building materials such as, wood cement, and steel.
• Assist in motor and equipment alignment using various methods and tools including but not limited to; feeler gauges, squares, rules, micrometers, plum bobs, dial indicators, laser alignment, etc.
• Assist in the use of machinery or tools to grind, file, and/or tun machine parts into dimensional specs.
• Work in other crafts at levels appropriate to training and skills as requested by project supervision. Must have the ability to take direction from a higher skilled worker or foreman.
• Must have basic knowledge of the construction processes involved in heavy industrial construction.
• Support project with other tasks as directed by supervision.
• Communicate with Foreman regarding any problems arising, materials required, or any hazards noted.
• Ability to work different shifts and overtime as required.
• Work under production schedule pressure.
• Attain set standards of accuracy.
• Be able to perform duties in a safe manner.

Qualifications

• 1-2 years related experience and/or training or equivalent combination of education and experience
• Be knowledgeable of MIC Health and Safety programs and project specific regulations.
• When on‑site, actively participate in daily toolbox meetings with crews and subcontractors.
• Set a personal example of safe behavior.
• Read and interpret documents such as safety rules, operating and maintenance instructions and procedure manuals
• Add and subtract two‑digit numbers, multiply and divide with 10's and 100's and ability to perform these operations using units weight measurement and volume
• Common sense understanding to carry out instructions furnished in written or oral form
• Ability to work within precise standards of accuracy and follow set procedures and standards
• Other may duties may be assigned

Physical Demands

• Work up to a 12‑hour shift doing hard physical work in varying temperatures and outside conditions.
• May need to maintain physical strength and stamina; Use arms, hands, and legs fully; Push, pull, and frequently lift and carry objects weighing up to 50 pounds; and stoop, kneel, balance, crouch, crawl, and climb to perform job tasks.
• Stamina to perform this task repetitively and continuously for several hour intervals.
• Uncontrolled environmental conditions: Constant change in weather and site conditions.
• This work environment may involve moderate exposure to unusual elements, such as extreme temperatures, dirt, dust, fumes, smoke, unpleasant odors and/or loud noises.
• Ability to wear personal protective equipment is required (including but not limited to- safety toed shoes, gloves, safety glasses, hearing protection, hardhat, vest, etc.).
• Move in and around confined, cluttered, and uneven areas.
• May need to work at heights and must be able to abide by all safety and fall‑protection requirements; must be able to wear and utilize all safety equipment required for work at heights.
• Evaluate information based on measurable standards; and see details in objects or drawings and recognize slight differences in shapes and shadings.
• Visualize objects in three dimensions from drawings.
• Keep good balance and work at heights.
• See well (either naturally or with correction).
• Hear well (either naturally or with correction.)
• Coordinate the use of eyes, hands, and feet.

HOURS

This position is a Full‑Time position scheduled to work typically 50 hours per week. Schedule is subject to projects requirements.

TRAVEL

Travel required up to 90%. Position requires presence directly on the Project Site location with intermittent travel to residence of record.

What's in it for You

Financial Wellbeing

• Compensation $22.00 $2.00 Shift Differential / hour,commensurate with experience
• Competitive pay with ongoing performance review and merit increase
• 401(k) with company match & Employee Stock Purchase Plan (ESPP)
• Flexible spending account (Healthcare & Dependent care)

Health & Wellness

• Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
• Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance, Weight Management Drug Discount
• Discounted National Gym Membership Network
• Employee Assistance Program

Planning for the Unexpected

• Short and long‑term disability, life insurance, and accidental death & dismemberment
• Voluntary life insurance, accident, critical illness, hospital indemnity coverage
• Emergency Travel Assistance Program
• Group legal plan

Position may be subject to pre‑employment screening, which may include background check and drug testing. Accessibility: If you need accommodation as part of the employment process, contact [e-mail]. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up‑to‑date information.

MasTec, Inc. is an Equal Employment Opportunity Employer. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

Disclaimer: MasTec and our Subsidiaries will never ask prospective employees for any form of payment or money transfer as part of job application or onboarding. We do not ask prospective employees for information about credit cards or personal passwords, and it does not require applicants to purchase equipment or software. Ensure that all recruiter email addresses end in @mastec.com or @talent.icims.com. If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at https://reportfraud.ftc.gov/.

MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third‑party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.

Service Line

MPC-MasTec Industrial