Top 35 Boiler operator Jobs in Manassas Va

Water Treatment Operator
Leidos —Springfield, VA
- Full-time
- Ability to walk for extended periods
- Mid-level
- 3 years
Power Plant-Shift Supervisor
Reworld Projects, LLC —Alexandria, VA
- 12 hour shift
- 5 years
- Engineering
- High school diploma or GED
- Wellness program
- Paid parental leave
Quick Apply
12d
Auxiliary Operator
Reworld Projects, LLC —Lorton, VA
- $34.62 - $46.06 an hour
- 12 hour shift
- Mid-level
- Forklift
- High school diploma or GED
- Wellness program
- Paid parental leave
Quick Apply
5d
Shift Supervisor
Reworld Projects, LLC —Alexandria, VA
- $118,700 - $169,800 a year
- 12 hour shift
- 5 years
- Engineering
- High school diploma or GED
- Wellness program
- Paid parental leave
Quick Apply
Stationary Equipment Apprentice - Bolger Center - Local 99
Aramark —Potomac, MD
- $45.67 an hour
- Driver's License
- Cleaning
- Fair chance
- Disability insurance
- Health insurance
Senior Engineer 2
VHC Health —Arlington, VA
- $38.75 - $62.78 an hour
- Full-time
- Carpentry
- Mechanic experience
- Hospital
- Health insurance
- Dental insurance
Operations Supervisor
Reworld Projects, LLC —Lorton, VA
- $118,700 - $169,800 a year
- Weekends as needed
- 5 years
- Mid-level
- High school diploma or GED
- Wellness program
- Paid parental leave
Quick Apply
Boiler Technician
ERG —Indian Head, MD
- $70,000 - $90,000 a year
- Online Application
- Schematics
- Mid-level
- High school diploma or GED
- Profit sharing
- Paid holidays
Quick Apply
Lead Operating Engineer
Cushman & Wakefield —Chantilly, VA
- $40.38 - $47.50 an hour
- Overtime
- Clean driving record
- Microsoft Outlook
- Schematics
- Health savings account
- Disability insurance
Quick Apply
Central Plant Operator (Secret) Daytime
WASEYABEK DEVELOPMENT COMPANY LLC —Arlington, VA
- $22.65 an hour
- Management
- Mid-level
- 1 year
Quick Apply
Area Chief Engineer: Hampton Inn & Suites and SpringHill Suites Dulles *Incentive Eligible*
B.F. Saul Company Hospitality Group —Sterling, VA
- $100,000 - $115,000 a year
- Full-time
- Research
- Hotel
- High school diploma or GED
- Disability insurance
- Health insurance
Quick Apply
Building Systems Operator - Level 1 (TS/SCI Clearance Required)
Fluor Corporation —Warrenton, VA
- $48,000 - $83,000 a year
- Rotating shift
- Computer literacy
- English
- Mid-level
- AD&D insurance
- Disability insurance
10d
Building Systems Operator - Lead (TS/SCI Clearance Required)
Flr Federal Solutions,LLC —Warrenton, VA
- $59,000 - $111,000 a year
- Rotating shift
- Carpentry
- English
- Mid-level
- AD&D insurance
- Disability insurance
13d
Central Plant Operator (Secret) Night Time
WASEYABEK DEVELOPMENT COMPANY LLC —Arlington, VA
- $22.65 an hour
- Management
- Mid-level
- 1 year
Quick Apply
WGL - Plant Maintenance Technician I
Washington Gas Light Company —Ravensworth, VA
- $33.14 an hour
- Full-time
- High school diploma or GED
- Driver's License
- Driving
- Paid holidays
- Health insurance
Operations Supervisor (Power Plant)
Reworld Projects, LLC —Lorton, VA
- Weekends as needed
- 5 years
- Mid-level
- High school diploma or GED
- Wellness program
- Paid parental leave
Quick Apply
Maintenance Manager - Regional Operations Specialist
Kettler Enterprises, Inc —McLean, VA
- $83,000 - $87,000 a year
- Overtime
- Computer literacy
- English
- Ability to climb stairs
- Health savings account
- Health insurance
Building Engineer II
Alexandria City Public Schools —Alexandria, VA
- $23.60 an hour
- Full-time
- Mid-level
- Fingerprint clearance
- Public school
Senior Maintenance Tech
Cushman & Wakefield —McLean, VA
- $29.75 - $35.00 an hour
- Overtime
- Microsoft Word
- Clean driving record
- Microsoft Outlook
- Health savings account
- Disability insurance
Quick Apply
13d
HVAC Mechanic II
Arlington County, VA —Arlington, VA
- Full-time
- Background check
- Mechanic experience
- Mid-level

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boiler operator jobs near manassas va

Water Treatment Operator

Leidos -
Springfield, VA

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Job Details

Full-time

Qualifications

Engineering equipment malfunctions diagnostics
Chilled water HVAC systems
Chiller
System troubleshooting
Industrial equipment troubleshooting
High school diploma or GED
Water treatment equipment repair
TS/SCI with Polygraph
Safety standard operating procedures
Standard operating procedures (SOPs)
Industrial boilers
Mechanical systems repair

Full Job Description

Description

Job Description

We are seeking an experienced and highly motivated Facilities Water Treatment Specialist, to oversee and direct the preventive maintenance program for our facility water treatment systems and infrastructure. This position is responsible for providing operation, monitoring, maintenance, and adjustment of water treatment equipment and systems, including water treatment for chillers, RO (Reverse Osmosis) humidifiers, boiler treatment, water softeners, and deionized (DI) water systems, ensuring water quality and compliance with safety standards.

Primary Responsibilities:

Monitor and maintain chiller treatment, RO humidification systems, water softeners, boiler treatment, and DI systems for optimal performance.
Test and record water quality parameters, including hardness, pH, conductivity, and chemical concentrations.
Adjust chemical dosages and system settings to maintain specified water quality levels.
Conduct regular inspections, preventive maintenance, and repairs on water treatment equipment.
Troubleshoot system problems and perform corrective actions.
Maintain accurate logs, records, and documentation for compliance and reporting.
Manage inventory of treatment chemicals and supplies.
Adhere to safety, environmental, and regulatory guidelines.
Communicate effectively with facility management regarding system status and maintenance needs.

Basic Qualifications

Active TS/SCI w/ Poly Clearance is required to be considered
Minimum 3-5 years of experience performing maintenance, troubleshooting, and repair of water treatment systems in commercial, industrial, mission-critical, or facilities environments.
High school diploma or equivalent (associate’s degree or technical training in water treatment preferred)
Experience with water treatment systems, especially chillers, RO, softeners, boilers, and DI systems
Strong analytical and problem-solving skills
Ability to follow standard operating procedures and safety protocols
Good written and verbal communication skills

Preferred Qualifications

Associate’s degree or technical training in water treatment preferred
Certified Water Treatment Operator
Chiller water treatment knowledge

Physical Requirements

Ability to lift up to 50 lbs.
Ability to stand, walk, bend, and reach for extended periods
Work in varying environmental conditions (hot, cold, wet, or noisy areas)

ES-DAS

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

June 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range -

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Apply Now

Refine Your Search

boiler operator jobs in manassas va

Water Treatment Operator

Power Plant-Shift Supervisor

Auxiliary Operator

Shift Supervisor

Stationary Equipment Apprentice - Bolger Center - Local 99

Senior Engineer 2

Operations Supervisor

Boiler Technician

Lead Operating Engineer

Central Plant Operator (Secret) Daytime

Area Chief Engineer: Hampton Inn & Suites and SpringHill Suites Dulles Incentive Eligible

Building Systems Operator - Level 1 (TS/SCI Clearance Required)

Building Systems Operator - Lead (TS/SCI Clearance Required)

Central Plant Operator (Secret) Night Time

WGL - Plant Maintenance Technician I

Operations Supervisor (Power Plant)

Maintenance Manager - Regional Operations Specialist

Building Engineer II

Senior Maintenance Tech

HVAC Mechanic II

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