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Junior Building Operator Jobs (NOW HIRING)

Overview William Charles Construction, a MasTec Company, is hiring for an experienced Junior ... building operating groups. Sustainability and safety are foundational to our culture and influence ...

New

William Charles Construction, a MasTec Company, is hiring for an experienced Junior Estimator with ... building operating groups. Sustainability and safety are foundational to our culture and influence ...

New

Junior Engineer

Atlanta, GA · On-site

$68K - $161K/yr

This role leverages AI tools as a default assistant while building strong foundations in software ... Operating within a human‐on‐the‐loop model , the engineer learns to apply sound judgment ...

Provide training and guidance to junior technicians or operators as needed. REQUIRED QUALIFICATIONS ... Minimum of 5-7 years of progressive experience as a Building Engineer, HVAC Technician, or ...

New

Junior Staff Accountant

Grand Rapids, MN · On-site

$23.50 - $29.50/hr

The Jr. Staff Accountant will participate in building, enforcing, and sustaining a best-in-class ... Drive standardization aligned with One Yanmar operating model Requirements QUALIFICATIONS Required ...

Junior Staff Accountant

Grand Rapids, MN · On-site

$23.50 - $29.50/hr

The Jr. Staff Accountant will participate in building, enforcing, and sustaining a best-in-class ... Drive standardization aligned with One Yanmar operating model Requirements QUALIFICATIONS Required ...

Training junior staff, if applicable. * Performs other duties as required. Minimum Qualifications ... Possesses knowledge in operating electrical, plumbing, HVAC and pool equipment. * Experience with ...

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Junior Building Operator information

See salary details

$22.5K

$72.5K

$124K

How much do junior building operator jobs pay per year?

As of Jun 6, 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 are Junior Building Operators?

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:
Infographic showing various Junior Building Operator job openings in the United States as of May 2026, with employment types broken down into 52% Full Time, 46% Part Time, 1% Contract, and 1% Nights. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $72,482 per year, or $34.8 per hour.
Junior Estimator

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted yesterday


Job description

Overview

William Charles Construction, a MasTec Company, is hiring for an experienced Junior Estimator with an estimating background with heavy civil, highways and roadways.

The primary responsibilities of this role will include providing accurate takeoff and cost estimates for railways and other concrete and structural components such as foundations, drainage devices, culverts and retaining walls.  

Company Overview

With more than a century of exceptional work on our resume, William Charles Construction remains guided by the pursuit of excellence. Our “Do it Right the First Time” work ethic has been the cornerstone of our business philosophy since 1892. With our broad background in heavy civil construction, environmental management, and mining and materials production, we have the expertise to help our customers complete their most complex projects. 

William Charles 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. 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). 


Responsibilities
  • Participate in preconstruction efforts for design build or other alternative delivery projects Review opportunity pursuits and develop preliminary budget estimate and itemized summary for go/no-go evaluation
  • Review, analyze and interpret contract documents for complete understanding of the work and owner deliverables to provide accurate, detailed cost estimates
  • Analyze historical data and use estimating software to calculate costs for labor, materials, equipment, and subcontractor services
  • Develop subcontractor and supplier scope packages and perform detailed outreach to procure pricing coverage as required
  • Ability to manage the bid process from start to finish and report to Executives for final close and sbumittal
  • Collaborate with procurement teams to ensure the availability of materials at competitive prices
  • Estimate labor and equipment requirements based on the project scope and schedule
  • Conduct site visits to assess project conditions and identify any potential risks or challenges
  • Evaluate soil conditions, environmental factors, and other site-specific concerns that could affect the cost and schedule of the project
  • Identify critical issues and develop risk exposure summary with associated cost impacts
  • Provide creative and innovative thinking to analyze and develop strategy and value engineering solutions.
  • Effective communication and interaction with clients, engineers, subcontractors and suppliers
  • Perform and review quantity takeoff comparisons to provide evaluation for accuracy and acceptance
  • Work with scheduling staff and Operations to develop accurate and precise bid schedules
  • Present complete and accurate estimates to ensure confidence in decision making
  • Company representation at pre-bids and site visits

Qualifications
  • Bachelor’s Degree in Civil/Structural Engineering or Construction Management and related field experience. A combination of education and experience will be considered in lieu of a degree
  • 5 years of experience in heavy civil estimating
  • Precise attention to details and exceptionally organized
  • Highly motivated self-starter
  • Stay up-to-date with industry trends, pricing, and best practices
  • Contribute to the development of improved estimating techniques and processes

Work Environment:

  • The role typically involves a combination of office work and occasional site visits
  • Occasional travel between our Illinois and Indiana offices can be expected
  • Site visits may require the use of personal protective equipment (PPE) and exposure to outdoor conditions

Physical Requirements:

  • Ability to lift up to 25 lbs
  • Prolonged periods of sitting or standing during estimation tasks
  • Occasional travel to job sites for project assessments

What's in it for you:

Financial Wellbeing

  • Ongoing performance reviews and merit increases
  • 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

Family & Lifestyle

  • Paid Time Off, Paid Holidays, Bereavement Leave
  • Military Leave, including Differential Pay and 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. 

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.

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.

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/.

#LI-TM1

#LI-Onsite

#Dunnett Bay

#Herlighy 

#Lorig 

#Granite 

#Kiewit

#Helm 

#Constructors

#IHC 

#construction

#Stark

#Excavating

#OttoBaum

#Laverdiere 

Qualifications:
  • Bachelor’s Degree in Civil/Structural Engineering or Construction Management and related field experience. A combination of education and experience will be considered in lieu of a degree
  • 5 years of experience in heavy civil estimating
  • Precise attention to details and exceptionally organized
  • Highly motivated self-starter
  • Stay up-to-date with industry trends, pricing, and best practices
  • Contribute to the development of improved estimating techniques and processes

Work Environment:

  • The role typically involves a combination of office work and occasional site visits
  • Occasional travel between our Illinois and Indiana offices can be expected
  • Site visits may require the use of personal protective equipment (PPE) and exposure to outdoor conditions

Physical Requirements:

  • Ability to lift up to 25 lbs
  • Prolonged periods of sitting or standing during estimation tasks
  • Occasional travel to job sites for project assessments

What's in it for you:

Financial Wellbeing

  • Ongoing performance reviews and merit increases
  • 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

Family & Lifestyle

  • Paid Time Off, Paid Holidays, Bereavement Leave
  • Military Leave, including Differential Pay and 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. 

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.

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.

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/.

#LI-TM1

#LI-Onsite

#Dunnett Bay

#Herlighy 

#Lorig 

#Granite 

#Kiewit

#Helm 

#Constructors

#IHC 

#construction

#Stark

#Excavating

#OttoBaum

#Laverdiere 

Education:UNAVAILABLEEmployment Type: FULL_TIME