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Junior Building Operator Jobs (NOW HIRING)

The Junior Estimator is responsible for reviewing technical documents, calculating earthwork ... building operating groups. Sustainability and safety are foundational to our culture and influence ...

The Junior Estimator is responsible for reviewing technical documents, calculating earthwork ... building operating groups. Sustainability and safety are foundational to our culture and influence ...

The Junior Estimator is responsible for reviewing technical documents, calculating earthwork ... building operating groups. Sustainability and safety are foundational to our culture and influence ...

The Junior Estimator is responsible for reviewing technical documents, calculating earthwork ... building operating groups. Sustainability and safety are foundational to our culture and influence ...

The Junior Estimator is responsible for reviewing technical documents, calculating earthwork ... building operating groups. Sustainability and safety are foundational to our culture and influence ...

Junior BIM Operator

San Jose, CA ยท On-site

$19 - $24/hr

Junior BIM Operator Reports To: BIM Manager Location: San Jose, CA Salary Range: $19.00/hour to $24 ... THE BIM TEAM Our Building Information Modeling (BIM) team is at the forefront of construction ...

The Junior Estimator is responsible for reviewing technical documents, calculating earthwork ... building operating groups. Sustainability and safety are foundational to our culture and influence ...

The Junior Estimator is responsible for reviewing technical documents, calculating earthwork ... building operating groups. Sustainability and safety are foundational to our culture and influence ...

Showing results 21-40

Junior Building Operator information

See salary details

$22.5K

$72.5K

$124K

How much do junior building operator jobs pay per year?

As of Sep 7, 2026, the average yearly pay for junior building operator in the United States is $72,482.00, according to ZipRecruiter salary data. Most workers in this role earn between $54,000.00 and $84,000.00 per year, depending on experience, location, and employer.

What is a junior building operator?

Junior Building Operators are entry-level professionals responsible for assisting with the daily operations, maintenance, and repair of building systems such as heating, ventilation, air conditioning (HVAC), lighting, and plumbing. They typically work under the supervision of senior building operators or facility managers to ensure that buildings remain safe, comfortable, and efficient for occupants. Their duties may include conducting routine inspections, responding to service requests, and performing basic repairs or preventative maintenance. This role provides valuable hands-on experience for those looking to advance in the building operations or facility management field.

What are the key skills and qualifications needed to thrive as a junior building operator, and why are they important?

To thrive as a Junior Building Operator, you need foundational knowledge of building systems (HVAC, electrical, plumbing) and a high school diploma or technical certification in building operations. Familiarity with building automation systems (BAS), maintenance management software, and basic hand and power tools is essential. Strong problem-solving skills, attention to detail, and effective communication help in responding to facility issues and coordinating with tenants or contractors. These competencies ensure efficient building operations, safety, and occupant satisfaction.

What are some common challenges faced by a junior building operator during the first year on the job?

As a Junior Building Operator, one common challenge is quickly learning the complex systems within a building, such as HVAC, electrical, and plumbing. You'll need to balance hands-on troubleshooting with following detailed protocols, often under the guidance of senior operators. Adapting to shift work and responding to unexpected maintenance issues can also be demanding. However, regular collaboration with experienced team members and ongoing training can help you build confidence and develop essential skills.

What is the difference between Junior Building Operator vs Building Maintenance Technician?

AspectJunior Building OperatorBuilding Maintenance Technician
CertificationsOSHA safety training, HVAC, basic electricalHVAC, electrical, plumbing certifications
Work EnvironmentCommercial or residential buildings, routine monitoringBuilding systems, repair, preventive maintenance
Employer & IndustryProperty management, facilities managementFacilities services, property management
Search & Comparison IntentYesYes

The Junior Building Operator typically handles routine building operations, monitoring systems, and basic maintenance, often with entry-level certifications. Building Maintenance Technicians focus more on repairing and maintaining building systems like HVAC, electrical, and plumbing. While both roles work in similar environments and industries, the Technician role usually requires more specialized technical skills and certifications. Understanding these differences helps job seekers find the right position based on their skills and career goals.

More about Junior Building Operator jobs

What cities are hiring for Junior Building Operator jobs?

Cities with the most Junior Building Operator job openings:

What are the most commonly searched types of Building Operator jobs?

The most popular types of Building Operator jobs are:

What states have the most Junior Building Operator jobs?

States with the most job openings for Junior Building Operator jobs include:

What job categories do people searching Junior Building Operator jobs look for?

The top searched job categories for Junior Building Operator jobs are:

Infographic showing various Junior Building Operator job openings in the United States as of August 2026, with employment types broken down into 83% Full Time, 15% Part Time, and 2% Contract. Highlights an 83% Physical, 2% Hybrid, and 15% Remote job distribution, with an average salary of $72,482 per year, or $34.8 per hour.

Junior Estimator

SAIIA

Birmingham, AL โ€ข On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 21 days ago


Job description

Overview

Saiia Construction Company LLC, a MasTec company, is currently hiring for a Junior Estimator to join our team!

The Junior Estimator is responsible for reviewing technical documents, calculating earthwork quantities, determining material and subcontract requirements, and assisting estimators on potential site development projects.

Company Overview

Founded by Sam Saiia as Birmingham Excavating Co. in 1946, the company now known as Saiia Construction is an industrial heavy civil contractor of choice for the power generation, mineral and aggregate mining, and pulp and paper markets. With more than 630 pieces of construction machinery in our fleet, over 500 employees, and experience working in 11 states, we have the resources and knowledge to complete projects of any scale. As a MasTec Company, we are poised for continued growth and an exciting future!

Saiia Construction 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 career growth in dynamic work environments.ย Join one of the largest construction firms in the country (Engineering News-Record [ENR]: #1 in Power, #16 Top 50 Domestic Heavy Contractors, #13 Transportation Contractor).ย 


Responsibilities
  • Read and evaluate project drawings and specifications to compile a detailed quantity take off for all bid items included in the project scope of work.
  • Converting project drawings or civil engineer CAD files to 3D CAD models for earthwork calculations.
  • Calculate different earthwork quantities (Mass Excavation, Over-excavation, cut/fill), structural excavation, structural backfill, and related excavation material.
  • Update project takeoff per engineer issued addendums and clarifications.
  • Area take-offs of the project (slopes, flats, etc.).
  • Plotting and coloring detailed maps to distinguish between different pay quantities.
  • Develop detailed volume reports and cut/fill maps for multiple project phases using earthwork software.
  • Maintain take-off spreadsheets for organizing material description and quantities, back up of work, and summary of the project.
  • Maintain a log of all bid plans, specifications, and revisions.
  • Upload, manage, and distribute bid documents through a company file transfer protocol (FTP) website.
  • Prepare and manage RFQโ€™s to vendors and sub-contractors.
  • Review construction notes to quantify the scope of work and specs.
  • Performs additional assignments at the Director of Preconstructionโ€™s request.

Qualifications
  • High School Diploma or equivalent required
  • Associates degree in CAD or equivalent work experience in a construction environment is preferred
  • Strong communication and interpersonal skills required.
  • Ability to read and process documents such as contracts and subcontracts, statistical reports, operating and maintenance instructions and procedure manuals.
  • Ability to read and fully understand project drawings, blueprints, specifications and RFQ's
  • Ability to produce routine reports and correspondence.
  • Ability to add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals.
  • Ability to compute rate, ratio, and percent and to draw and interpret bar graphs.
  • Ability to apply common sense understanding to carry out instructions furnished in written, verbal, or diagram form.
  • Ability to plot and scan drawings and other documents on company printers or plotters.
  • Ability to deal with problems involving several concrete variables in standardized situations.
  • Proficiency in computer programs such as Word, Excel, etc.
  • Skill in managing multiple projects with precision and speed.
  • Basic understanding of pricing terms.
  • Ability to maintain job or task focus in pressured or time-sensitive situations.
  • Detail oriented and self-motivated.
  • Must be willing to work overtime if required.
  • Proficient in AutoCAD computer-aided drafting software.
  • Working knowledge in AGTEK earthwork software.
  • Understanding of Geotechnical and soil reports.

What's in it for You

Financial Wellbeing

  • 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

Family & Lifestyle

  • Paid Time Off, Paid Holidays, Bereavement Leave
  • Military Leave, including Benefits Continuation
  • 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 ceicareers@mastec.com. 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.ย 

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 atย 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.

#LI-Onsite

#TM1

Qualifications:
  • High School Diploma or equivalent required
  • Associates degree in CAD or equivalent work experience in a construction environment is preferred
  • Strong communication and interpersonal skills required.
  • Ability to read and process documents such as contracts and subcontracts, statistical reports, operating and maintenance instructions and procedure manuals.
  • Ability to read and fully understand project drawings, blueprints, specifications and RFQ's
  • Ability to produce routine reports and correspondence.
  • Ability to add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals.
  • Ability to compute rate, ratio, and percent and to draw and interpret bar graphs.
  • Ability to apply common sense understanding to carry out instructions furnished in written, verbal, or diagram form.
  • Ability to plot and scan drawings and other documents on company printers or plotters.
  • Ability to deal with problems involving several concrete variables in standardized situations.
  • Proficiency in computer programs such as Word, Excel, etc.
  • Skill in managing multiple projects with precision and speed.
  • Basic understanding of pricing terms.
  • Ability to maintain job or task focus in pressured or time-sensitive situations.
  • Detail oriented and self-motivated.
  • Must be willing to work overtime if required.
  • Proficient in AutoCAD computer-aided drafting software.
  • Working knowledge in AGTEK earthwork software.
  • Understanding of Geotechnical and soil reports.

What's in it for You

Financial Wellbeing

  • 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

Family & Lifestyle

  • Paid Time Off, Paid Holidays, Bereavement Leave
  • Military Leave, including Benefits Continuation
  • 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 ceicareers@mastec.com. 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.ย 

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 atย 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.

#LI-Onsite

#TM1

Education:UNAVAILABLEEmployment Type: FULL_TIME