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Part Time Building Engineer Jobs in Manassas, VA

Bechtel

Principal Engineer - Mechanical

Reston, VA · On-site

$159K - $231K/yr

Telework Type: Part-Time Telework * Work Location: Reston, VA * Salary Range: $159,700- $231,000 ... Learn more about our extraordinary teams building inspiring projects in our Impact Report. Project ...

Bechtel

Principal Engineer - Mechanical

Reston, VA · On-site

$159K - $231K/yr

Telework Type: Part-Time Telework * Work Location: Reston, VA * Salary Range: $159,700- $231,000 ... Learn more about our extraordinary teams building inspiring projects in our Impact Report. Project ...

Booz Allen Hamilton, Inc.

DevOps Engineer

Mclean, VA · On-site +1

$77K - $176K/yr

Booz Allen is building next generation of products in Cybersecurity. We're modernizing systems with ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Bechtel

Senior Hydrology & Hydraulics Engineer

Reston, VA · On-site

$106K - $154K/yr

Telework Type: Part-Time Telework * Work Location: Reston, VA * Salary Range: $106,900 - $154,700 ... Learn more about our extraordinary teams building inspiring projects in our Impact Report. Job ...

Bechtel

Senior Hydrology & Hydraulics Engineer

Reston, VA · On-site

$106K - $154K/yr

Telework Type: Part-Time Telework * Work Location: Reston, VA * Salary Range: $106,900 - $154,700 ... Learn more about our extraordinary teams building inspiring projects in our Impact Report. Job ...

Booz Allen Hamilton, Inc.

DevOps Engineer

Chantilly, VA · On-site +1

$77K - $176K/yr

You Have: * 5+ years of experience with AWS cloud building and supporting DevOps tools and ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Booz Allen Hamilton, Inc.

DevOps Engineer

Chantilly, VA · On-site +1

$77K - $176K/yr

You Have: * 5+ years of experience with AWS cloud building and supporting DevOps tools and ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Booz Allen Hamilton, Inc.

DevOps Engineer

Chantilly, VA · On-site +1

$77K - $176K/yr

You Have: * 5+ years of experience with AWS Cloud building and supporting DevOps tools and ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Blackwood of DC

Engineer Assistant

Washington, DC · On-site

Additional Information * Part-time position with flexible scheduling. * Opportunities for ... The company's services include CIP Concrete, Structural Upgrades, Building Renovations, Site ...

Booz Allen Hamilton, Inc.

AI & ML Engineer

Chantilly, VA · On-site +1

$99K - $225K/yr

Experience building and deploying AI and ML solutions into production * Experience with Python ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Booz Allen Hamilton, Inc.

AI/ML Engineer, Lead

Ashburn, VA · On-site +1

$104K - $138K/yr

The ideal candidate has extensive experience building production-grade ML models, optimizing model ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

BOOZ, ALLEN & HAMILTON, INC.

AI Engineer

Washington, DC · Hybrid

$99K - $225K/yr

Experience building LLM systems using RAG frameworks such as LangChain and LlamaIndex, or custom ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Booz Allen Hamilton, Inc.

AI Engineer

Mclean, VA · On-site

$99K - $225K/yr

Experience building LLM systems using RAG frameworks such as LangChain and LlamaIndex, or custom ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Bechtel

AI Solutions Engineer

Reston, VA · On-site

Telework Type: Part-Time Telework * Work Location: Reston, VA * Salary Range: 123,400 - 178,500 ... Learn more about our extraordinary teams building inspiring projects in our Impact Report. Job ...

Arcadis

Senior Structural Engineer

Arlington, VA · On-site +1

$115K - $157K/yr

Requisite knowledge and application of structural design codes, standards, and applicable building ... Arcadis offers benefits for full time and part time positions. These benefits include medical ...

Bechtel

AI Solutions Engineer

Reston, VA · On-site

Telework Type: Part-Time Telework * Work Location: Reston, VA * Salary Range: 123,400 - 178,500 ... Learn more about our extraordinary teams building inspiring projects in our Impact Report. Job ...

Bechtel

Mechanical Engineer

Reston, VA · On-site

$106K - $154K/yr

Telework Type: Part-Time Telework * Work Location: Reston, VA, Knoxville, TN, Oak Ridge, TN, Ogden ... Learn more about our extraordinary teams building inspiring projects in our Impact Report. Project ...

Bechtel

Mechanical Engineer

Reston, VA · On-site

$106K - $154K/yr

Telework Type: Part-Time Telework * Work Location: Reston, VA, Knoxville, TN, Oak Ridge, TN, Ogden ... Learn more about our extraordinary teams building inspiring projects in our Impact Report. Project ...

Booz Allen Hamilton, Inc.

DevOps Engineer

Mclean, VA · On-site +1

$53.25 - $73/hr

Experience building and maintaining CI/CD workflows using GitHub Actions, and supporting ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

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Showing results 21-40

All JobsBuilding Engineer JobsPart Time Building Engineer JobsPart Time Building Engineer Jobs in Manassas, VA

Part Time Building Engineer information

See Manassas, VA salary details

$17

$32

$52

How much do part time building engineer jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for part time building engineer in Manassas, VA is $32.34, according to ZipRecruiter salary data. Most workers in this role earn between $25.48 and $36.54 per hour, depending on experience, location, and employer.

What does a part time building engineer do?

A Part Time Building Engineer is responsible for maintaining, repairing, and overseeing the mechanical, electrical, and structural systems within a building on a part-time basis. Their duties often include inspecting HVAC systems, performing routine maintenance, addressing repair requests, and ensuring that building operations comply with safety standards. They may also help with energy management and coordinate with other contractors or building staff as needed. Working part-time means their hours and responsibilities might vary depending on the needs of the property.

What are the key skills and qualifications needed to thrive as a part time building engineer?

To thrive as a Part Time Building Engineer, you need a solid understanding of building systems (HVAC, electrical, plumbing), basic repair skills, and typically a high school diploma or equivalent; additional technical training or certifications are often preferred. Familiarity with maintenance management systems, building automation controls, and relevant safety certifications (such as OSHA 10) is essential. Strong problem-solving abilities, attention to detail, and effective communication with tenants and team members set top performers apart. These skills ensure efficient building operations, prompt issue resolution, and a safe, well-maintained environment.

What are some common challenges faced by part time building engineers, and how can they effectively manage their workload?

Part-time building engineers often face the challenge of balancing maintenance tasks and urgent repairs within limited working hours. Efficient time management and clear communication with the full-time engineering team are essential to ensure that critical issues are addressed promptly and routine maintenance is scheduled appropriately. Utilizing detailed shift handover notes and staying updated on building management systems can also help part-time engineers stay aligned with ongoing projects and prevent gaps in service. Building strong relationships with property management and other maintenance staff can further streamline workflow and foster a supportive work environment.

What is the difference between Part Time Building Engineer vs Part Time Maintenance Technician?

AspectPart Time Building EngineerPart Time Maintenance Technician
CertificationsBuilding operation licenses, HVAC, electrical, plumbing certificationsBasic electrical, plumbing, HVAC certifications
Work EnvironmentCommercial buildings, office complexes, residential propertiesCommercial and residential facilities, equipment rooms
Employer UsageProperty management firms, facilities management companiesProperty owners, facilities teams, maintenance service providers

Part Time Building Engineers typically hold certifications related to building systems and work in larger facilities managing multiple systems. Maintenance Technicians focus on specific repairs and routine maintenance, often with fewer certifications. Both roles are essential in property management but differ in scope and responsibilities.

Are part time building engineers in demand?

Part time building engineers are in moderate demand, especially in facilities management and maintenance roles for commercial and residential properties. Employers seek candidates with technical skills, certifications, and the ability to perform repairs and inspections on flexible schedules. Job availability can vary based on industry needs and regional economic conditions.

What are the most commonly searched types of Building Engineer jobs in Manassas, VA?

The most popular types of Building Engineer jobs in Manassas, VA are:

What are popular job titles related to Part Time Building Engineer jobs in Manassas, VA?

For Part Time Building Engineer jobs in Manassas, VA, the most frequently searched job titles are:

What job categories do people searching Part Time Building Engineer jobs in Manassas, VA look for?

The top searched job categories for Part Time Building Engineer jobs in Manassas, VA are:

What cities near Manassas, VA are hiring for Part Time Building Engineer jobs?

Cities near Manassas, VA with the most Part Time Building Engineer job openings:

Part Time Building Engineer jobs near you
Infographic showing various Part Time Building Engineer job openings in Manassas, VA as of August 2026, with employment types broken down into 100% Part Time. Highlights an 86% In-person, 5% Hybrid, and 9% Remote job distribution, with an average salary of $67,270 per year, or $32.3 per hour.

Principal Engineer - Mechanical

Bechtel

Reston, VA • On-site

$159K - $231K/yr

Full-time, Part-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 5 days ago

Key responsibilities

  • Support the development and execution of combined cycle power projects in the mechanical discipline.

  • Review and oversee design, development, modification, and evaluation of mechanical systems and equipment.

  • Review design documents, supplier drawings, material specifications, and perform technical assessments related to mechanical systems.

Bechtel rating

7.6

Company rating: 7.6 out of 10

Based on 65 frontline employees who took The Breakroom Quiz

286th of 453 rated engineering

Job description

Requisition ID: 297604
  • Relocation Authorized: National - Family
  • Telework Type: Part-Time Telework
  • Work Location: Reston, VA
  • Salary Range: $159,700- $231,000 annually (salary range is based on market data; final salary offered is determined by education, experience, and qualifications of the applicant.)

Extraordinary teams building inspiring projects:
Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world's infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place.
Differentiated by the quality of our people and our relentless drive to deliver the most successful outcomes, we align our capabilities to our customers' objectives to create a lasting positive impact. We serve the Infrastructure; Nuclear, Security & Environmental; Energy; Mining & Metals, and the Manufacturing and Technology markets. Our services span from initial planning and investment, through start-up and operations.
Core to Bechtel is our Vision, Values and Commitments. They are what we believe, what customers can expect, and how we deliver. Learn more about our extraordinary teams building inspiring projects in our Impact Report.
Project Overview:
Several combined cycle power projects are currently planned to be developed and executed by Bechtel over the next 5-10 years. During the development phase of these projects, teams will be organized to support multiple projects concurrently.
Following project award, dedicated project teams will be formed and the Principal Engineer Mechanical will have functional oversight for the combined cycle power projects
Job Summary:
The Principal Engineer - Mechanical will support the development and execution of combined cycle power projects in the mechanical discipline. In this role, you will utilize individual technical knowledge to interpret, organize, execute, and coordinate the engineering technical aspects for complex power projects. You will participate in project planning, proposal review, and will own the engineering elements of capital estimates. Your technical guidance and recommendations will ensure engineering aspects meet project requirements and remain within scope and budget.
In this role, you will be responsible for establishing the technical investigations and client interviews, to determine work scope and cost estimates for a project's mechanical aspects. You will have oversight of design, development, modification, evaluation, and constructability reviews of mechanical systems and equipment. Your technical expertise will ensure the unique and complex requirements of a combined cycle power project's mechanical aspects are met.
This position is designated as part-time telework per our global telework policy and will require at least three days of in-person attendance per week at the assigned office or project. Weekly in-person schedules will be determined by the individual and their supervisor, in consultation with functional or project leadership.
Major Responsibilities:
  • Development and review of system P&IDs for combined cycle power projects
  • Plans and conducts independent scope of work and technical specifications for mechanical equipment and systems on combined cycle power projects
  • Oversight of the design, development, modification, and evaluation of mechanical components and processes utilizing relevant Engineering Department Procedures
  • Reviews design documents, supplier drawings and data, material specifications, drawings, change orders, and bid summaries for the project to which assigned
  • Reviews the sizing and selection of mechanical equipment for combined cycle power projects
  • Reviews complex mechanical engineering deliverables, such as system/equipment sizing calculations, specifications, and material requisitions
  • Interviews client personnel to determine their needs, develops scope for cost estimates for services, and participates in proposal preparation and presentation
  • Prepares or oversees the preparation of discipline estimates and work plans in accordance with project scope, schedule, and budget, and supports implementation and assists with performance reporting

Education and Experience Requirements:
  • Requires a bachelor's or master's degree (or international equivalent) in Mechanical Engineering or closely related field and 13-15 years of relevant experience
  • Must have at least 10 years prior experience working on mechanical system design for combined cycle fossil power plants

Required Knowledge and Skills:
  • Ability to perform power plant mechanical system design including sizing calculations and P&ID development for main steam, feedwater, condensate, fuel gas, and auxiliary steam systems
  • Experience with sizing and specification of mechanical power plant equipment including cooling towers, condensate and feedwater pumps, steam surface condensers, plate and frame heat exchangers, air compressors, auxiliary boilers, etc.
  • Working knowledge of mechanical design codes and standards including ASME, HEI, CTI, HI, etc.

Total Rewards/Benefits:
For decades, Bechtel has worked to inspire the next generation of employees and beyond! Because our teams face some of the world's toughest challenges, we offer robust benefits to ensure our people thrive. Whether it is advancing careers, delivering programs to enhance our culture, or providing time to recharge, Bechtel has the benefits to build a legacy of sustainable growth. Learn more at Bechtel Total Rewards
Diverse teams build the extraordinary:
As a global company, Bechtel has long been home to a vibrant multitude of nationalities, cultures, ethnicities, and life experiences. This diversity has made us a more trusted partner, more effective problem solvers and innovators, and a more attractive destination for leading talent.
We are committed to being a company where every colleague feels that they belong-where colleagues feel part of "One Team," respected and rewarded for what they bring, supported in pursuing their goals, invested in our values and purpose, and treated equitably. Click here to learn more about the people who power our legacy.
At Bechtel, our employees enjoy a competitive total rewards package that includes comprehensive medical, dental, and vision plans, along with optional disability and supplemental insurance options, generous paid time off (160 hours annually, accrued 6.16 hours per pay period), nine paid holidays, paid parental leave, discretionary bonuses, and a well-designed 401K plan with matching and profit-sharing components
Bechtel is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity and expression, age, national origin, disability, citizenship status (except as authorized by law), protected veteran status, genetic information, and any other characteristic protected by federal, state or local law. Applicants with a disability, who require a reasonable accommodation for any part of the application or hiring process, may e-mail their request to acesstmt@bechtel.com

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