Junior Mechanical Engineer

The Opportunity:

Tetra Tech is adding a Junior Mechanical Engineer to our Infrastructure Design Center based in Bellevue, WA.

Why Tetra Tech:

At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For 60 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.

Your Impact:

Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential - join us to advance your career while leaving a lasting legacy.

Position Summary:

We are currently seeking a Junior Mechanical Engineer to join our multi-discipline team which specializes in innovative planning, engineering, and design solutions for inland navigation structures including locks, waterfront structures, ports, dams, hydropower, flood risk reduction structures, and fish passage structures. In this role you'll work alongside national industry leaders and local experts on technically challenging, high‑visibility projects. You'll contribute to mechanical design and analysis, develop construction documents, and help solve practical engineering problems - all while gaining hands‑on experience and expanding your technical skills.

Essential Job Functions:

The following duties are essential to this role. Reasonable accommodation will be made to enable individuals with disabilities to perform these functions.

* Assist in the planning and design of mechanical systems and components for water resources and navigation projects (e.g., locks and dams), hydraulic structures (e.g., gates, valves, hoists, cranes, hydropower plants, pump stations), and mechanical systems for ports and harbors.

* Prepare engineering reports, technical specifications, plans, and construction schedules to support project development and delivery.

* Perform mechanical engineering design calculations.

* Translate engineering designs into detailed working drawings or coordinate with technical staff to produce construction-ready drawings.

* Review and check drawings and design deliverables for accuracy, completeness, and compliance with standards and project requirements.

* Support the development of probable construction cost estimates and assist in cost-related project documentation.

Requirements

Qualifications:

* Bachelor's degree in Mechanical Engineering.

* A minimum of 1 year of relevant mechanical engineering experience.

* An Engineer-in-Training (EIT) certificate.

* Experience with design software such as Micro Station, Solid Works, AutoCAD, Ansys, and Inventor.

* Proven analytical, written, and verbal communication skills, demonstrated through education and professional experience.

* Demonstrated ability to prioritize multiple tasks and make independent decisions that advance company goals and project objectives.

* Ability to work both independently and collaboratively within multidisciplinary teams, in person and virtually.

* Proficient with Microsoft Office applications (Outlook, Teams, Word, Excel, Project).

Preferred Qualifications:

* Master's degree in Mechanical Engineering.

* Professional Engineer (PE) license or working towards obtaining licensure.

* Experience with conceptual and detailed mechanical design for water resources and navigation structures.

* Prior experience supporting projects for the U.S. Army Corps of Engineers (USACE) or other federal, state, or local government agencies.

* Construction support experience.

* Physical Requirements:

* Ability to travel for field visits and shop fabrication visits as needed. Travel is estimated to be up to 5% yearly (occasional overnight travel).

* Ability to stand or walk for long periods during site visits, including the ability to kneel, crouch, or stoop.

* Ability to walk up stairs and climb ladders.

*…