Water/Wastewater Design Engineer

Full-timePosted Oct 16, 2026

Job description

Johnson, Mirmiran & Thompson is a dynamic, 100% employee-owned consulting firm with more than 2,800 professionals, providing a full range of multidisciplinary engineering, architecture, information technology, and related services to public agencies and private clients throughout the United States. JMT is currently ranked #45 on Engineering News-R ecord’s list of the Top 500 Design Firms.

Why JMT: Our Texas presence is growing with a new focus on the water/wastewater market to complement what JMT is doing in other parts of our footprint. In San Antonio, we are located in a brand new office space full of building amenities (such as a gym, a renovated café on site, 24-hour security and a parking garage).

We are located on the northwest side of San Antonio, a vibrant area with quick access to many key corridors. JMT, a company with offices in multiple states, fosters a collaborative culture that promotes our employees and values morale to bring the employee-owned accountability of a firm invested in every assignment, the technical depth of a multidisciplinary team, and the project delivery fortitude needed to provide consistent support across a broad range of client needs.

Come and see what we are all about!

Position summary

Responsible for engineering design using knowledge of general engineering principles and practices to interpret, organize, execute and coordinate assignments. Immigration sponsorship or support (e.g. H1B, F-1 CPT/OPT/STEM OPT) is not available for this position, except for qualified candidates eligible for the TN visa classification.

Essential functions

Assist with alternative studies Analyze survey reports, maps, drawings, aerial photography and other topographical or geologic data to complete a task Perform design computations Assist in designing projects in accordance with client specifications and guidelines, using design software and drawing tools Assist with developing the project quantities for construction cost estimate.

Assist in the preparation of engineering documents for advertisement and construction Nonessential functions and responsibilities: Perform other related duties as assigned

Description copied from Johnson, Mirmiran & Thompson's careers page. Read the full posting before you apply.

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