Demo

Wastewater Engineering Designer

TYLin
Alexandria, VA Full Time
POSTED ON 9/24/2026
AVAILABLE BEFORE 10/23/2026
TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market. With over 3,000 employees throughout the Americas, Asia, and Europe, the firm provides support on projects of varying size and complexity. Together, we enhance conventional designs with smarter, more resilient systems. We provide people with better mobility. We steward precious resources by finding more sustainable solutions.

Job Summary

TYLin is seeking a Water Engineering Designer to join our Water Solutions Team. The Engineering Designer will support project teams and the firm’s key regional clients in the design and planning of complex and innovative wastewater treatment and conveyance projects, and water treatment and distribution projects in Alexandria. The successful candidate will work under the direction of the PMs or Client Managers to support various water and wastewater engineering projects and will also provide field investigation and condition assessment support of existing infrastructure.

Responsibilities & Qualifications

DUTIES AND RESPONSIBILITIES:

  • Engineering design and consulting for complex assignments, including hydraulic and hydrologic calculations, utility plans, technical specifications, and cost estimating.
  • The successful candidate will be tasked with the preparation of design and construction documents for wastewater and water treatment facilities, and conveyance and distribution projects.
  • Participate in assignments as a member of a team, sometimes in a lead role in particular areas of expertise, including peer mentorship of design and consulting staff.
  • Regular meetings and presentations of project deliverables to clients.

Qualifications

  • Education: B.S. degree in Civil Engineering is required. MS. degree preferred.
  • Experience: 2–5 years of experience in water and wastewater engineering consulting, performing studies, design, and construction services for municipal clients. Demonstrated experience developing designs and construction contract documents for complex infrastructure projects is preferred but not required.
  • Certifications, Licenses: EIT licensure is highly encouraged to be eligible to take PE licensure exam.
  • Client focused, always striving to give clients the best solutions.
  • Strong commitment to innovation by creating new and better ways to solve clients’ toughest challenges.
  • High levels of integrity, always doing the right thing in an ethical, fair, and sustainable way.
  • Demonstrated experience of collaboration in a diverse and inclusive team, working together toward technical excellence.

Additional Information

T.Y. Lin International is committed to pay equity. As part of that commitment, we have provided the base compensation range of $81,200-$121,800 annually for this position and local market. We recognize that each candidate brings a unique set of skills, experience, education and competencies to the table that will be reflected in our offer.  TYLin is proud to offer exciting career development opportunities.

TYLin offers a comprehensive total rewards package. Our benefits may include extensive medical, disability and life insurance coverage, continuing education benefits, paid time off, employee assistance program and a retirement savings plan with company matching contributions.

We encourage all candidates to explore our total rewards offering.

Collaboration, mission-driven focus, discipline, and leadership skills developed through military service benefit us all. Whether you are a Veteran, Guardsman or Reservist, a Military Spouse or you are planning to transition to civilian life in the near future, we welcome and value your application.

TYLin is an equal opportunity employer, and we prohibit discrimination and harassment of any type as protected by federal, provincial, state or local laws. We celebrate diversity and are committed to creating an inclusive environment for all employees. The company and its employees are required to comply with all local health authority, legal or lawful client requirements.

Salary : $81,200 - $121,800

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