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91C Jobs (NOW HIRING)

MasTec Inc

Skilled Laborer/Groundman

Dayton, OH · On-site

$20 - $25/hr

You want to make an impact with your local community and enjoy being home daily MOS Codes 12K, 12N,12V, 12W, 21E, 21J, 25P, 91C, 91L, 11B, 1100, 1120, 1316, 9970-9975, 0612, 2T3XX, 2E1XX, 3E2XX ...

MasTec Inc

Skilled Laborer/Groundman

Akron, OH · On-site

$20 - $25/hr

You want to make an impact with your local community and enjoy being home daily MOS Codes 12K, 12N,12V, 12W, 21E, 21J, 25P, 91C, 91L, 11B, 1100, 1120, 1316, 9970-9975, 0612, 2T3XX, 2E1XX, 3E2XX ...

MasTec Inc

Directional Driller/Locator

Cleveland, OH · On-site

$27 - $33/hr

You want to make an impact with your local community and enjoy being home daily MOS Codes 12K, 12N,12V, 12W, 21E, 21J, 25P, 91C, 91L, 11B, 1100, 1120, 1316, 9970-9975, 0612, 2T3XX, 2E1XX, 3E2XX ...

MasTec Inc

Directional Driller/Locator

Walton Hills, OH · On-site

$27 - $33/hr

You want to make an impact with your local community and enjoy being home daily MOS Codes 12K, 12N,12V, 12W, 21E, 21J, 25P, 91C, 91L, 11B, 1100, 1120, 1316, 9970-9975, 0612, 2T3XX, 2E1XX, 3E2XX ...

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91C information

What is a 91C utilities equipment repairer?

A 91C Utilities Equipment Repairer is a specialized Army mechanic responsible for maintaining and repairing heating, ventilation, air conditioning (HVAC), and refrigeration systems. Their duties include troubleshooting, servicing, and ensuring the proper operation of equipment such as air conditioners, heaters, water heaters, and refrigeration units. 91Cs play a vital role in keeping Army facilities comfortable and operational, especially in extreme environments. They receive extensive technical training to handle a variety of utility equipment and may also assist with installation and preventive maintenance.

What are the key skills and qualifications needed to thrive as a 91C utilities equipment repairer?

To thrive as a 91C Utilities Equipment Repairer, you need a strong understanding of mechanical and electrical systems, typically supported by completion of Army technical training and a high school diploma or equivalent. Familiarity with diagnostic tools, technical manuals, and specialized repair equipment is essential in this role. Attention to detail, problem-solving skills, and the ability to work independently or as part of a team are critical soft skills. These competencies ensure timely and accurate repairs of critical utilities systems, supporting mission readiness and safety in military operations.

What are common challenges faced by 91C utilities equipment repairers in the field, and how can these be managed?

91C Utilities Equipment Repairers often encounter the challenge of troubleshooting and repairing a wide variety of complex heating, cooling, and ventilation equipment, sometimes under time constraints or in austere field conditions. Adaptability and strong problem-solving skills are essential, as issues may range from electrical faults to mechanical breakdowns. Building a solid foundation in technical manuals and regularly participating in hands-on training can help overcome these challenges. Collaboration with other maintenance team members and clear communication with supervisors further ensures repairs are completed efficiently and safely.

What is the difference between 91C vs 91B?

Aspect91C (Utilities Equipment Repairer)91B (Wheeled Vehicle Mechanic)
CertificationsMilitary technical training, ASE certifications (optional)ASE certifications, military training
Work EnvironmentMilitary bases, utility plants, field operationsMotor pools, repair shops, military bases
Job FocusMaintaining and repairing utility equipment and systemsRepairing and maintaining military vehicles

Both 91C and 91B roles require technical military training and involve working in military environments. 91C focuses on utility equipment, while 91B specializes in vehicle repair. They share similar certifications and work settings, but their technical skills and equipment differ, making each role distinct within military maintenance specialties.

What jobs can you get with a 91C?

A 91C is a Military Occupational Specialty (MOS) for a Utilities Equipment Repairer in the Army. This role involves maintaining and repairing power generators, water purification systems, and other utility equipment, often requiring technical skills and certifications. Job opportunities include positions in military units, government agencies, or civilian utility companies, with work environments that may involve field operations and technical troubleshooting.
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What job categories do people searching 91C jobs look for?

The top searched job categories for 91C jobs are:

91C jobs near you
Infographic showing various 91C job openings in the United States as of September 2026, with employment types broken down into 99% Full Time, and 1% Contract. Highlights an 100% Physical job distribution.

Laborer/Groundman

Salt Lake City, UT • On-site

MasTec Communications Group
Construction • 10K+ employees
Learn more about MasTec Communications Groupexternal

$18 - $24/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 25 days ago

MasTec rating

7.4

Company rating: 7.4 out of 10

Based on 156 frontline employees who took The Breakroom Quiz

Job description

Overview

At MasTec Communications Group we build for the future. Yours and ours.

Join the MasTec family and help us provide the highest level of quality service to our customers and communities while maintaining our commitment to safety!


Responsibilities

As a Skilled Laborer/Groundman, you will support all phases of utility construction for various types of telecom projects. You believe in doing the job right. Being the best. And you're up for the challenge.

In addition, you will:

  • Responsible for various manual tasks such as digging trenches, unloading building materials, and preparing job sites with the use of hand tools like shovels, rakes, and picks 
  • Work in outdoor utility construction sites
  • Transport heavy equipment to and from the job site each day
  • Build and maintain aerial and underground cable systems
  • Troubleshoot problems as they arise in the field
  • Learn and train to use various kinds of tools and equipment

Qualifications

About You:

  • Safety is a part of your day-to-day
  • You have a track record of completing work with a high level of quality
  • You have a knack for figuring out hard problems and enjoy a hands-on approach to your work
  • You are looking for long-term projects
  • You enjoy getting your hands dirty with your team
  • You have a valid Class A CDL with a clean driving record
  • You want to learn the telecom construction trade to advance your career, like Coax Splicing, Fiber Splicing, Directional Drilling, etc.
  • You want to make an impact with your local community and enjoy being home daily

MOS Codes 12K, 12N,12V, 12W, 21E, 21J, 25P, 91C, 91L, 11B, 1100, 1120, 1316, 9970-9975, 0612, 2T3XX, 2E1XX, 3E2XX, 3E3XX, 9T0XX, BU, UT relate well to this position.

Compensation of $18-$24 per hour, depending on the experience.

Hard work pays off. See what you’ll get for your effort: 

Financial Security 

  • 401(k) with company match 
  • Employee Stock Purchase Plan (ESPP) 
  • Life insurance 
  • Short-term and Long-term disability 
  • Red Wing Boot Voucher 

Health and Wellness 

  • Medical, dental, and vision insurance 
  • Dependent care and medical flexible spending accounts
  • Employee Assistance Program (EAP) 

Work/Life Balance 

  • Paid time off 
  • Paid holidays 
  • Family and medical leave 
  • Paid sick time

Employee Referral Program

Refer someone who delivers excellence just like you and receive a $1,000 incentive for a referral that becomes a permanent hire!

We meet your commitment with competitive pay and benefits. If this sounds like you, let’s talk. Build your career with MasTec! 

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.

#MasTecJobs #MasTecCareers #BeSuccessfulWithUs #IAmMasTec #WeAreMasTec #MasTecFamily #MasTecCommunicationsGroup #MasTecCommunicationsCareers #HotJobs

Qualifications:

About You:

  • Safety is a part of your day-to-day
  • You have a track record of completing work with a high level of quality
  • You have a knack for figuring out hard problems and enjoy a hands-on approach to your work
  • You are looking for long-term projects
  • You enjoy getting your hands dirty with your team
  • You have a valid Class A CDL with a clean driving record
  • You want to learn the telecom construction trade to advance your career, like Coax Splicing, Fiber Splicing, Directional Drilling, etc.
  • You want to make an impact with your local community and enjoy being home daily

MOS Codes 12K, 12N,12V, 12W, 21E, 21J, 25P, 91C, 91L, 11B, 1100, 1120, 1316, 9970-9975, 0612, 2T3XX, 2E1XX, 3E2XX, 3E3XX, 9T0XX, BU, UT relate well to this position.

Compensation of $18-$24 per hour, depending on the experience.

Hard work pays off. See what you’ll get for your effort: 

Financial Security 

  • 401(k) with company match 
  • Employee Stock Purchase Plan (ESPP) 
  • Life insurance 
  • Short-term and Long-term disability 
  • Red Wing Boot Voucher 

Health and Wellness 

  • Medical, dental, and vision insurance 
  • Dependent care and medical flexible spending accounts
  • Employee Assistance Program (EAP) 

Work/Life Balance 

  • Paid time off 
  • Paid holidays 
  • Family and medical leave 
  • Paid sick time

Employee Referral Program

Refer someone who delivers excellence just like you and receive a $1,000 incentive for a referral that becomes a permanent hire!

We meet your commitment with competitive pay and benefits. If this sounds like you, let’s talk. Build your career with MasTec! 

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.

#MasTecJobs #MasTecCareers #BeSuccessfulWithUs #IAmMasTec #WeAreMasTec #MasTecFamily #MasTecCommunicationsGroup #MasTecCommunicationsCareers #HotJobs

Education:UNAVAILABLEEmployment Type: FULL_TIME

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