Pipefitter Helper III

Casey Industrial, Inc.; Rapid City (SD); On-site; USD 25,000 - 39,000; Full time

Job summary

MasTec Industrial in Rapid City is seeking a construction helper to assist journeymen with planning, layout, installation, testing and repair of industrial systems in accordance with plans and codes.

You will read measurements, understand coordinates, and help fit and install pipe, valves and fittings, using hand and power tools. Safety and teamwork are essential on every project, from initial setup through commissioning.

Qualifications

• Reading measuring tools and interpreting plans.
• Knowledge of plant coordinates and construction processes.
• Experience with pipe fitting and various joint types.
• Ability to follow safety procedures on site.

Responsibilities

• Read and interpret measuring tools to perform tasks.
• Understand Plant North and drawing coordinates.
• Thread, bevel, and cut pipe.
• Install valves, couplings and other fittings.
• Disassemble and remove damaged or worn pipe as needed.
• Operate hand and power tools safely to fit pipework.
• Produce quality work meeting plans and standards.
• Work with installation crews to move materials and equipment.
• Perform daily safety checks on equipment.

Skills

Measuring tools

Blueprint reading

Pipe fitting

Hand tools

Power tools

Safety checks

Teamwork

Tools

Grinders

Pipe threading tools

Job description

COMPANY OVERVIEW

MasTec Industrial, along with sister companies Casey Industrial and Phoenix Industrial, has served the power industry since 1947. We support utilities, developers, and municipalities with EPC services and project development expertise.

Ranked byENRas the#1 Power Contractor, we specialize in natural gas, oil, biomass, and waste‑to‑energy projects. Our team brings over 30 years of experience in utility and industrial systems, including simple and combined cycle plants and reciprocating engines.

We’re committed to delivering quality, safety, and value at every project phase, from concept to operations. At MasTec Industrial, we invest in top talent and foster a respectful, inclusive environment where employees thrive as innovative leaders.

The MasTec Industrial market sector is part of the MasTec Clean Energy & Infrastructure business segment. MasTec’s Clean Energy & Infrastructure (CE&I) segment generates over $4 billion in annual revenue, providing construction services across industrial, renewables and infrastructure sectors. 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 career growth in dynamic work environments.

POSITION SUMMARY

Assist journeyman in the planning, lay‑out, installation, testing and repair all types of construction related systems and components in accordance with all applicable plans, specifications, codes and industry standards.

ESSENTIAL JOB FUNCTIONS

• 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.


• Be able to perform tasks including, but not limited to; thread, bevel, and cut pipe.


• Use appropriate hand (i.e. wrap around) and power tools (i.e. grinders) to fit and install all types of pipe and/or similar tubular products; have working knowledge of all types of pipe and piping systems, including butt welded, socket welded, threaded, Victaulic, grooved, glued and fused joints;


• Assist in the following; Install valves, couplings and other fittings; disassemble and remove damaged or worn pipe, etc.


• Produce quality work, meeting requirements of plans, specifications and industry standards.


• Closely interact with the installation crews for movement of materials and equipment.


• Perform daily safety checks to ensure equipment is in safe operating condition.


• 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.


• Commun