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W/WW Sr. Project Engineer – PE

Apex CompaniesOklahoma City, OK; Remote; Tulsa, OKPosted 12 Sept 2026

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About this role

Are you driven to grow, lead, and make a meaningful impact? At Apex, we’re building more than a consulting and engineering firm—we’re creating a place where your career accelerates, your contributions matter, and your potential is fully realized. We believe your growth is our growth, which is why we invest in your development at every stage of your career. Here, you’ll work on projects that shape communities, protect the environment, and create lasting impact, all while being empowered with the autonomy and flexibility to do your best work.

Fueled by high-quality delivery, exceptional client retention, and strategic acquisitions, Apex Companies continues to rank among the fastest-growing firms in the AEC industry, recently recognized by the Zweig Group for our industry-leading growth. Our success is grounded in strong leadership, a collaborative culture, and a shared commitment to delivering exceptional outcomes. As we continue to expand, we're looking for high-performing professionals who are ready to lead, collaborate, innovate, and create impact.

At Apex, you help shape what's next. When we succeed together, we share in that success. All Apex positions are eligible for annual bonus opportunities, reinforcing our commitment to recognizing and rewarding meaningful contributions that drive our collective growth. This role is eligible for a $10,000 sign-on bonus, subject to the terms and conditions of the Company's sign-on bonus program. Apex Companies LLC is seeking a highly motivated W/WW Sr.

Project Engineer – PE with experience in leading civil engineering design projects and providing direction to civil design teams. This position would serve various public and private clients within existing portfolio and provide opportunities for highly motivated candidates to develop new client relationships. Our teams specialize in delivering multi-disciplinary projects that incorporate the full breadth of Apex services and strategic subconsultant partners.

This role requires someone to be located in Oklahoma. Your Responsibilities as a Sr. Engineer: Plan and administer small decentralized public water systems and waste water systems. Provide leadership in the design of efficient and constructable civil projects. Estimate and budget labor hours for design projects; review job costing reports and take corrective action, as necessary. Establish and maintain client relationships; ensure client satisfaction and ensure that client objectives are met.

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Mentor young design professionals. Participate in business development opportunities. Participate in professional organizations and functions Write and review technical reports and proposals. Prepare and deliver marketing presentations. Hire and manage subcontractors. Mentor and train scientific staff and ensure quality work product. Ensure safe performance of project work. What we're looking for: 6+ years' experience as a consulting engineer providing permitting, design and construction of water and wastewater system projects.

A bachelor’s degree in civil engineering or environmental engineering and an Oklahoma P.E A solid understanding of civil design and construction standards, and environmental conditions / constraints. A proven history of meeting project timelines and budgets. Ability to develop creative engineering solutions to address project constraints Developing relationships with clients Proficiency in Microsoft Office Applications (Word, Excel, Outlook) Excellent verbal and written communication skills with clients, staff and management.

Familiarity with design software such as AutoCAD Civil 3D and HydroCAD Why you'll love working with us: Company-subsidized medical and dental Company-paid life, short, and long-term disability 401k match, tuition assistance, and more Cross-training and the ability to work on a variety of projects Performance-based bonuses or other incentives Working with the best and brightest in the industry 2,000+ employee national firm with 70+ locations across the US #LI-MW1 Req ID: 11966 Apex Job Title: Project Manager We believe in equality for all and celebrate the diversity and differences of our employees, customers, and communities.

We do not discriminate based on gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. Apex aims to make apexcos.com accessible to all users. If you have a disability or special need that requires accommodation to navigate our website or complete the application process, please contact [email protected] or (301) 417-0200.

Likewise, feel free to reach out to us if you would like to view or discuss Apex policy related to equal employment opportunity or have any related concerns. EO/AA/VEV/Disabled Employer TO ALL RECRUITMENT AGENCIES: Apex Companies does not accept unsolicited agency resumes. Please do not forward resumes for any of our job postings to our career’s sites, or to any employees of Apex Companies or affiliates. Apex Companies is not responsible for any fees related to unsolicited resumes.

Source listing: greenhouse_apexcompanies

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