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Assistant Project Supervisor Jobs in Washington, DC

Assistant Project Manager

Dulles, VA · On-site

$70K - $100K/yr

For both new construction and renovation projects, we offer design-build/design-assist, value ... Confer with supervisory personnel, owners, contractors and design professionals to discuss and ...

Assistant Project Manager

Dulles, VA · On-site

$70K - $100K/yr

For both new construction and renovation projects, we offer design-build/design-assist, value ... Confer with supervisory personnel, owners, contractors and design professionals to discuss and ...

Showing results 21-40

Assistant Project Supervisor information

See Washington, DC salary details

$36.2K

$82.8K

$131.9K

How much do assistant project supervisor jobs pay per year?

As of Aug 10, 2026, the average yearly pay for assistant project supervisor in Washington, DC is $82,751.00, according to ZipRecruiter salary data. Most workers in this role earn between $60,600.00 and $99,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an assistant project supervisor, and why are they important?

To thrive as an Assistant Project Supervisor, you need a solid understanding of project management principles, organizational skills, and usually a degree in construction management, engineering, or a related field. Familiarity with project management tools (like MS Project or Primavera), scheduling software, and safety certifications such as OSHA are often required. Strong communication, problem-solving abilities, and leadership potential are key soft skills that help coordinate teams and resolve issues efficiently. These skills and qualifications are essential for supporting successful project execution, maintaining timelines, and ensuring safety and quality standards are met.

What is the difference between Assistant Project Supervisor vs Project Coordinator?

AspectAssistant Project SupervisorProject Coordinator
CredentialsTypically requires a diploma or bachelor's degree in construction management, engineering, or related fieldsUsually holds a bachelor's degree in business, management, or related areas
Work EnvironmentWorks on-site with project teams, assisting in supervision and coordinationWorks mainly in office settings, coordinating schedules and resources
Employer & Industry UsageCommon in construction, engineering, and infrastructure projectsUsed across various industries including construction, IT, and event planning

While both roles support project execution, the Assistant Project Supervisor is more involved in on-site supervision and assisting project managers, whereas the Project Coordinator focuses on planning, scheduling, and administrative tasks to ensure project flow.

What is an assistant project supervisor?

Assistant Project Supervisors are professionals who support Project Supervisors or Managers in overseeing and coordinating various aspects of a project. Their responsibilities typically include helping with scheduling, tracking progress, communicating with team members, and ensuring that project tasks are completed on time and within budget. They may also assist with reporting, resource allocation, and problem-solving to ensure the project’s success. This role is often a stepping stone to more senior project management positions.

How does an assistant project supervisor typically collaborate with different teams during a project lifecycle?

As an Assistant Project Supervisor, you will regularly coordinate with various departments such as engineering, procurement, and quality assurance to ensure project milestones are met. Your responsibilities often include facilitating communication between team members, organizing meetings, and addressing any issues that could impact project timelines. This collaborative approach helps maintain workflow efficiency and ensures that all stakeholders are aligned throughout each phase of the project.
Infographic showing various Assistant Project Supervisor job openings in Washington, DC as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $82,751 per year, or $39.8 per hour.

Full-time

Re-posted 11 days ago


Job description

About Liberty

Founded in Boston, Massachusetts in 2007, Liberty offers expertise in a broad array of construction and equipment services nationwide including general requirements, equipment, supply, concrete, special projects, and site access solutions. Our experience, combined with our innovative approach and stellar customer service, ensures a seamless experience —with safety and reliability at the forefront. We’ve built strong relationships with key contractors and clients in every sector, including commercial, residential, healthcare, and higher education. For more Information click here.

The Role

The Assistant Project Manager (APM) supports the day-to-day project management operations on projects and provides support for the Project Manager.

The APM is responsible for reviewing and tracking contracts, pricing, purchase orders, change orders, shop drawings, submittals, insurance certificates and Requests for Information (RFI), all using Procore programs. This individual is also responsible for submitting for building permits, planning revision submissions to municipalities; collaborating with Counsel on contract and insurance modifications and discrepancies; addressing trade partner challenges; capturing and distributing weekly video and meeting minutes; coordinating meetings, revised drawings and warranty certificates with trade partners; and assembling project close out manuals. 

The APM will also perform a variety of routine order entry including, creating quotes, sales, rental, and purchase orders, produce picking up and delivery tickets and ensuring proper pricing on orders and maintaining stock levels. 


  • Perform a quality control check of timesheets and material sheets coming in from the field on a weekly basis.
  • Review and code all driver timesheets on a weekly basis.
  • Review all requisitions that have been prepared on a monthly basis.
  • Process all change orders on requisitions.
  • Review labor component of requisition for accuracy and proper organization.
  • Review material component of requisition for accuracy and proper organization.
  • Review rental component of requisition for accuracy and proper organization.
  • Perform all billable rate submittals and negotiations on new projects.
  • Review and code all AP and ensure that it is billed properly.
  • Review all invoice billing for accuracy and organization.

Operations:

  • Create sales, rental and purchase orders in our software system.
  • Prepare pick tickets and delivery tickets in a timely fashion.
  • Maintain accurate inventory counts and verify availability of needed stock.
  • Prepare material a
  •  nd rental quotes for the Project Management Team and ensure proper coding of invoices.
  • Performs follow-up to ensure timely shipment of materials and customer satisfaction.
  • Manage all vendor back-up, and match to billing, as required.
  • Field calls and take orders from jobsites.
  • Prepare orders for shipment in accordance with the pick ticket and customer requirements
  • Notify the Supervisor of shortages, problems or issues with fulfillment.
  • Assist Warehouse Manager with ordering, purchasing, receiving.
  • Maintain product stock in work area.
  • Receive and unload incoming material and compare information on packing slips with purchase orders to verify accuracy of shipment.
  • Inspect shipments for damages, loss, or defects, and notify the Supervisor of findings.
  • Responsible for accurately receiving, reporting, and distributing purchased items.
  • Operate dolly, pallet jack, and/or forklift in loading and unloading material and equipment.
  • Refers complex, unusual problems to supervisor.
  • Under general supervision, exercises some judgment in accordance with well-defined policies, procedures, and techniques. Work typically involves regular review of output by a senior coworker or supervisor.


    • 3-5 years related experience in construction management.
    • Bachelors Degree in Business Administration, Construction Management, Engineering, or equivalent relative experience.
    • Excellent oral, written, and presentation skills to effectively communicate branch office business strategy and corresponding operating procedures to all levels within the branch.
    • Strong leadership abilities to inspire and coach employees to accomplish strategic goals and related tasks.
    • Experience selling in an inside sales environment and/or demonstrated success working with customers.
    • Experience with inventory sales.
    • Experience with Construction Job Cost Coding
    • Ability to work in a fast-paced professional, team-oriented environment.
    • Must possess Liberty’s Core Values: Passion, Integrity, Hard Work and Professionalism.

Construction jobsite and warehouse conditions, which include exposure to high temperatures; cool/cold temperatures; weather conditions, and loud noises.  Some general office and construction trailer working conditions. Job site walking.


Liberty provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, pregnancy or maternity, national origin, citizenship, genetic information, disability, protected veteran, gender identity, age or any other status protected by law.  This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment.  Liberty will not tolerate any unlawful discrimination toward, or harassment of, applicants or employees by anyone at Liberty, or anyone working on behalf of Liberty.