Full-Time

Senior Project Engineer

Drinking Water

Posted on 7/31/2025

Apex Companies

Apex Companies

1,001-5,000 employees

National environmental consulting and engineering firm

Compensation Overview

$85k - $135k/yr

+ Performance-based bonuses + Incentives

Remote in USA

Remote

This position may require 10-20% travel.

Category
Architecture & Civil Engineering (1)
Requirements
  • Bachelor's of Science Degree in Civil or Environmental Engineering field and 6+ years of drinking water engineering experience is required, or a Master’s Degree in Civil or Environmental Engineering field with 5+ years of experience.
  • Registered Professional Engineer, or working towards licensure within one year, in a State(s) where Apex does work or ability to obtain same by reciprocity.
  • Proven writing skills as required to prepare technical memoranda, reports, proposals, and contracts and subcontract scopes of work.
  • Ability to supervise and train less experienced staff; coordinate efforts of other disciplines and outside consultants; interact effectively with clients; demonstrates effective leadership skills and is a positive role model for junior staff.
  • Valid driver’s license is required.
Responsibilities
  • Assists the Project Manager in the planning, coordination, and execution of both large and small projects.
  • Works effectively and efficiently within prescribed budgets, and monitors performance on a weekly basis.
  • Develops and negotiates scopes, fees, and schedules with sub-consultants under the guidance of the Project Manager.
  • Responsible for developing technical solutions to more complex projects by applying engineering knowledge and skills to produce quality work. Assists in the development and execution of all aspects of the project scope of work.
  • Assists the Project Manager in complying with assigned project schedules and budget on more complex projects by actively reporting on project progress and identifying additional work outside the contractual scope.
  • Works closely with Project Managers to gain project management experience. Responsible for financial performance on tasks or projects under their control.
  • Serves as the Technical Lead in respective discipline for more complex projects, being responsible for the technical coordination among other design disciplines and subcontractors or subconsultants.
  • Supervises and trains less experienced staff by proving daily guidance and checking their work and progress. Provides input for completion of annual reviews.
  • Develops technical approach, schedules, and fee estimates for proposals on large-scale or more complex projects to produce an effective and quality proposal.
  • Maintains quality control within the discipline by reviewing designs, checking calculations, assumptions, and the basis of design on more complex projects.
  • Assists in the coordination and attends client meetings, including public hearings. Prepares and performs oral presentations for clients regarding project deliverables.
  • Assists Project Manager by leading construction administration tasks such as construction progress meetings; submittal reviews; preparation of meeting agendas and minutes; review of daily and weekly construction reports; preparation of payment applications, RFIs, and change orders; coordination with Resident Project Representatives; completing project closeout; and tracking construction schedules. Provides updates to the Project Manager.
  • Demonstrates awareness of corporate priorities regarding quality of work, client satisfaction, and project profitability.
  • Understands and is aware of contract terms and conditions, professional liability matters, and advises the Project Manager of any concerns.
  • Participates in approved external associations and professional conferences and presents or authors technical papers.
  • Identifies areas of potential claims, by preparing documentation and reporting to Project Manager.
  • May manage a direct report, including responsibility for workload management, time and expense approval and career path development.

Apex Companies provides environmental consulting and engineering services to public agencies and private clients across all 50 states. Its offerings include water resources management, environmental remediation, health and safety, compliance assurance, ESG advisory, and infrastructure engineering, delivering work from site assessments to managing complex projects. A key differentiator is the breadth of services across environmental, health and safety, and ESG, plus its ARTEMIS data-management platform that organizes environmental information for risk mitigation and lending. The company aims to help clients manage environmental risk, achieve regulatory compliance, and efficiently complete projects while expanding its national footprint.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Rockville, Maryland

Founded

1988

Simplify Jobs

Simplify's Take

What believers are saying

  • Acquired CWE, Tully, Forsgren, Johnson, Weiler expanding nationwide.
  • Morgan Stanley's 2023 investment fuels aggressive growth and margins.
  • Serves DOI, FEMA with $100M-$500M revenue across 50 states.

What critics are saying

  • PE pressure fragments service from 10+ acquisitions in 12-24 months.
  • AECOM, Jacobs commoditize stormwater post-2025 budget peaks.
  • Federal cuts hit government contracts in 2026-2027.

What makes Apex Companies unique

  • Proprietary ARTEMIS® platform manages environmental data for risk mitigation.
  • Manages over 600 stormwater facilities with inspections and repairs.
  • Ranks #13 in ENR All-Environmental firms for technical expertise.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401(k) Company Match

Paid Vacation

Paid Sick Leave

Relocation Assistance

Company News

Apex Companies
Mar 18th, 2026
Apex Companies Acquires CWE

Apex Companies announced the acquisition of CWE, an award-winning civil infrastructure, water resources, and environmental engineering services firm with multiple offices in California.

The Associated Press
Feb 17th, 2026
Apex Companies Acquires Tully, Inc.

Adds to Core Stormwater Strength and Enhances Ability to Deliver the Full Stormwater Lifecycle in Northern California

EIN News
Jan 5th, 2026
Raincatcher Advises AquaWorks DBO on Its Acquisition by Apex Companies

Raincatcher, a national mergers and acquisitions advisory firm serving small to mid-size businesses, served as the exclusive sell-side advisor to AquaWorks DBO,

EIN Presswire
Nov 3rd, 2025
Apex Companies Acquires Forsgren Associates, Inc.

Bolsters Engineering Depth and Extends Operational Presence in Intermountain West

EIN Presswire
Nov 26th, 2024
Apex Acquires Weiler Engineering in Florida

Apex Companies, LLC has acquired Weiler Engineering Corporation, a Florida-based engineering firm. This acquisition enhances Apex's engineering capabilities and strengthens its presence in Florida. Weiler Engineering, with over 45 professionals, brings expertise in civil, structural, and utilities engineering. This move follows Apex's recent acquisitions of Johnson Engineering and Water Science Associates, further expanding its services in the municipal and private markets.

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