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Senior Project Assistant Jobs in Reston, VA (NOW HIRING)

CPMC is seeking a Senior Project Manager to support one of our active (5 year) federal programs to ... to) activities: * Assist in scheduling of project tasks for assigned government projects.

Senior Project Manager (Culpeper, VA)

Sterling, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Join our team as a Senior Project Manager where you will be responsible for the overall direction ... You will lead and manage a team of project managers, and assistant project managers to deliver ...

Electrical Senior Project Manager

Sterling, VA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Join our team as a Senior Project Manager where you will be responsible for the overall direction ... You will lead and manage a team of project managers, and assistant project managers to deliver ...

GMP Senior Project Manager

Silver Spring, MD · On-site

$110K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are seeking a GMP Senior Project Manager to support the Pilot Bioproduction Facility (PBF) at ... Assist managers with subcontractor schedule development and maintenance.Support shutdown planning ...

Senior Project Engineer - Washington D.C.

Washington, DC · On-site

$70K - $80K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Senior Project Engineers also assist in resolving project issues, contributing to process improvements, and provide guidance to Project Engineers. What You Bring to The Table: * Bachelor's degree in ...

Senior Project Manager (Low Voltage)

Sterling, VA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Join our team as a Senior Project Manager where you will be responsible for the overall direction ... You will lead and manage a team of project managers, and assistant project managers to deliver ...

Showing results 41-60

Senior Project Assistant information

See Reston, VA salary details

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$32

How much do senior project assistant jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for senior project assistant in Reston, VA is $22.41, according to ZipRecruiter salary data. Most workers in this role earn between $18.03 and $25.24 per hour, depending on experience, location, and employer.

What is a senior project assistant?

Senior Project Assistants are experienced administrative professionals who support project managers and teams in planning, executing, and monitoring projects. They handle tasks such as scheduling meetings, preparing reports, coordinating resources, and communicating with stakeholders. Their advanced experience allows them to take on more responsibility, solve problems proactively, and contribute to the overall success of complex projects. Senior Project Assistants often serve as a bridge between team members and management to ensure smooth project operations.

How does a senior project assistant typically contribute to cross-functional team projects?

As a Senior Project Assistant, you will often serve as a key liaison between project managers, team members, and other departments. Your responsibilities frequently include coordinating project schedules, tracking deliverables, and ensuring effective communication among stakeholders. This role requires strong organizational and interpersonal skills, as you'll be expected to anticipate project needs and help resolve issues that arise. By facilitating collaboration and supporting the project team, you play a crucial role in keeping projects on track and meeting deadlines.

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

To thrive as a Senior Project Assistant, you need strong organizational abilities, attention to detail, and experience in project coordination, often supported by a bachelor’s degree and relevant administrative experience. Familiarity with project management software (like MS Project or Asana), advanced proficiency in Microsoft Office, and sometimes certifications such as CAPM are typically required. Excellent communication, problem-solving skills, and the ability to multitask set top performers apart in this role. These skills and qualities are vital for ensuring projects run smoothly, deadlines are met, and teams stay well-coordinated.

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

AspectSenior Project AssistantProject Coordinator
Required CredentialsTypically an associate's or bachelor's degree, relevant certifications preferredBachelor's degree often required; certifications like PMP are a plus
Work EnvironmentSupportive role within project teams, administrative and technical tasksOversees project activities, manages schedules, liaises with stakeholders
Employer & Industry UsageCommon in construction, engineering, IT, and government sectorsUsed across similar industries, often with more responsibility

The main difference is that a Senior Project Assistant provides support with a focus on administrative and technical tasks, while a Project Coordinator manages project activities, schedules, and stakeholder communication. The Senior Project Assistant typically reports to project managers, whereas the Project Coordinator has a broader role in overseeing project execution.

How much is a senior project assistant paid?

The salary for a senior project assistant typically ranges from $50,000 to $70,000 annually, depending on experience, location, and industry. They often require strong organizational skills and familiarity with project management tools like MS Project or Primavera.

Is a senior project assistant a stressful job?

A senior project assistant role can involve managing multiple tasks, deadlines, and coordinating with teams, which may lead to periods of stress. However, workload and stress levels often depend on project complexity, organizational support, and individual time management skills.

What are the most commonly searched types of Senior Project jobs in Reston, VA?

The most popular types of Senior Project jobs in Reston, VA are:

What cities near Reston, VA are hiring for Senior Project Assistant jobs?

Cities near Reston, VA with the most Senior Project Assistant job openings:

Infographic showing various Senior Project Assistant job openings in Reston, VA as of August 2026, with employment types broken down into 85% Full Time, 11% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $46,622 per year, or $22.4 per hour.

Heavy Civil Project Engineer/ Sr. Project Engineer - Wastewater

Posillico Civil, Inc.

Fairfax, VA

$86K - $116K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 13 days ago


Job description

Overview

Posillico is Building for Generations.

Posillico is a multi-disciplined and diversified construction company. Along with our Civil /foundation group, Posillico's business units include Wastewater Division, Environmental Division, Utilities Division, Drilling Division, Paving Division, Posillico Consulting LLC, Posillico Developmental LLC, and Posillico Materials, LLC. These companies give Posillico the unequalled, leveraged experience required to complete complex structural and geotechnical projects successfully.

Posillico empowers a "people first, think safety" culture throughout our organization. This "people first" culture has helped to promote and maintain an excellent record of accomplishment. Posillico has an exceptional safety program coupled with proactive employees throughout its management and union staff. We offer all employees an excellent opportunity to be part of our developing business at Posillico, as we set the standards for excellence in the construction industry with our integrated solutions.

Our company mission is to complete all our projects safely, on time, on target and on budget while having a positive impact in the community.

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Responsibilities

POSITION SUMMARY: The Project Engineer assists the Project Manager and Superintendent with respect to safety, quality, planning and production, finance, and record keeping on heavy civil infrastructure and transportation construction projects consisting of highway, road, bridge, civil and site work. The Project Engineer may work in conjunction with other Project Engineers on the same project and may also report to a Senior Project Engineer on some projects. The Project Engineer may assist in on-boarding newer Project Engineers and help in supporting engineer interns. The Project Engineer may support one or more projects concurrently, depending on size and scope of work within an operating region, and may assist the estimating, cost control, and engineering teams occasionally.

RESPONSIBLITES:

Safety Assist in the preparation and presentation of weekly Toolbox Talks and Daily Safety Huddles. Assist with labor force new hire process. Make Miss Utility One Call Center requests and confirm mark-outs have been completed to ensure no utilities are damaged during construction activities. Ensure that SSHASP and Hazardous Communication Program documents are maintained and include all relevant MSDS. Participate and record findings of periodic jobsite safety inspections with safety and other supervisory personnel. Track all incidents and injuries that occur on the project.

Financial Perform monthly review of payment applications with Superintendent and Project Manager. Notify Project Manager of anticipated quantity overruns/underruns. Submit monthly approved payment applications with subcontractor payment sheets to Accounting for processing of Subcontractor payments. Regularly review and approve material and supplier invoices for the project. Assist with cost projections including:o Quantity takeoffs - quantity completed versus quantity remainingo Analysis of historic versus projected productionso Assessment of materials on hand versus remaining needed Initiate set up of Purchase Orders and Subcontracts. Accurately track asphalt and other major materials that are delivered verses the quantity paid.

Planning and Production Assist in the development of project look-ahead schedules. Ensure look ahead schedules comport with approved baseline CPM schedule. Monitor progress of work against approved baseline CPM schedule and maintain contemporaneous records for use in monthly schedule updates. Perform daily pay item and production tracking quantity review with Superintendent and Job Foremen. Work with Superintendent to enter daily quantities into HeavyJob and file daily sheets. Assist in purchase of job materials to ensure the proper quantities are delivered. Track job codes using Phase Code System. Participate in problem solving and value engineering proposals. Review of project documents and preparation of RFIs (Requests for Information) to resolve conflicts, errors, or ambiguities in the contract documents. Prepare work packages for each major facet of work for field use, including:o Relevant portions of plans and specso Approved shop drawings and technical data sheetso Associated pay items, quantities and phase codeso SDS sheetso Miss Utility tickets (one-call for excavations)o As-built or record drawingso Schedule or sequencing information Attend and participate in meetings with Owner, Project Partners, and other stakeholders

Quality Control Review of technical data and shop drawing submittals for conformance with the project documents. Perform documentation of field conditions and progress of work for conformity with the project documents and work packages. Make inspections and record erosion and sedimentation control observations in SWPPP.

Record Keeping Assist superintendent with daily payroll information by specific task and in productivity tracking. Track all subcontractors that worked on the project for the month utilizing the Subcontractor Daily Log. Assist Superintendent and Project Manager to maintain job records, including daily journals, submittals, RFIs, correspondence, shop drawings, progress photos, meeting minutes, SWPPP, SSHASP, material delivery log, quantity and pay item tracking, Miss Utility tickets, inspection and punch list log, issues and changed conditions logs, change order log, equipment log, and all other pertinent documents. Maintain a file, tracking all extra work. Develop and update Submittal Log. Collect as-built records and maintain official version for submission at project completion.

Qualifications

QUALIFICATIONS: B.S. Degree in Civil, Mechanical, or Construction Engineering, or 4-Year Degree in Construction or Environmental Management with 2 to 3 years of related experience. Experience in Wastewater Construction (treatment plants, distribution systems, pump stations, mechanical, instrumentation and control systems; transportation infrastructure a plus). Capable of meeting deadlines, self-motivated, detail oriented, highly organized, excellent follow-through capability. Effective verbal and written communication skills are essential to this position. Ability to perform effectively in a fast-paced environment and accurately process documents and perform duties in a timely manner. Experience with Microsoft Office, Adobe / Bluebeam, Primavera P6, AutoCAD, Viewpoint, HeavyBid, and HeavyJob a plus. Valid Driver's License Able to obtain TWIC, DBIDs, or other similar credentials for access to restricted or government sites.

Reports to: Project Manager or Senior Project Engineer

Business Unit: Mid-Atlantic Region

Location: Fairfax, VA

Travel Requirements: Works within an operating region that may require one-way travel distances of up to 100 miles. Occasional overnight travel to other regional offices may be required.

Compensation: $80,000 to $95,000 annually commensurate with experience.

Comprehensive benefits offered to eligible employees including medical, dental, and vision coverage; life insurance; FSA; short- and long-term disability; identity theft protection; 401(k); employee assistance program; and paid time off.

Equal Employment Opportunity

Posillico Civil, Inc. is committed to maintaining a working environment that promotes teamwork and that is free of any and all forms of unlawful discrimination and harassment. Accordingly, all of its employment-related activities will be administered without regard to race, color, religion, sex, national origin, age, disability, veteran and military status, marital status, personal appearance, sexual orientation, family responsibilities, domestic violence victim status, matriculation, political affiliation, genetic information, predisposing genetic characteristics or other legally protected personal characteristic.

#LI-Onsite

Posillico Civil, Inc. together with its parent, subsidiaries, affiliates, partners and joint ventures (collectively "Posillico") do not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to Posillico or an employee of Posillico, by mail, electronically, or otherwise will be considered property of Posillico. Posillico will not pay a fee for any placement resulting from the receipt of an unsolicited resume. Posillico will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees. As a condition for payment, an Agency shall have an agreement signed by an authorized Posillico representative. Verbal or written communications from any employee of Posillico shall not be considered binding obligations. All resumes whether unsolicited or solicited shall be the property of Posillico.

Employment Type: FULL_TIME