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Senior Process Mechanical Engineer - Water​/Wastewater Treatment

Remote / Online - Candidates ideally in
Saint Paul, Ramsey County, Minnesota, 55199, USA
Listing for: Brown and Caldwell
Remote/Work from Home position
Listed on 2025-12-27
Job specializations:
  • Engineering
    Environmental Engineer, Water Engineer
Job Description & How to Apply Below

Brown and Caldwell is currently seeking a self-motivated water and wastewater treatment engineer specializing in process mechanical design to join our team. When you join Brown and Caldwell you will find that we offer a non-hierarchical, collaborative, and supportive environment, allowing you to learn, grow your career, and have fun while doing your best work. You will be trusted to do the right thing by our leaders and clients and given the flexibility to manage your own schedule to achieve this.

The work we do is interesting, challenging, and wide-ranging in nature, and so is our client base.

Are you ready to take the next step in your career? Are you an individual who takes pride in delivering exceptional work? In this new role, you will work with and be mentored by strong, nationally recognized, senior technical staff on various water and wastewater-related projects.

Job Expectations

In this technical role, you will be preparing engineering drawings, calculations, process and instrumentation diagrams (P&IDs), specifications, and technical reports for a variety of municipal water and wastewater projects as part of the Brown and Caldwell Design Services group. You will be expected to manage design tasks as a process mechanical task lead on small to midsize projects with support from Brown and Caldwell's subject matter experts.

You will also be given the chance to mentor less experienced junior and entry‑level engineers. Other responsibilities for this position include occasional site visits during various project phases that may include tasks such as equipment evaluation, process testing and troubleshooting, construction inspection and observations, and other types of fieldwork. You will support projects both locally and nationally but with a focus on Brown and Caldwell's eastern business region.

Responsibilities
  • Execute engineering work on water and environmental projects including wastewater treatment, water treatment, advanced treatment, and pumping and conveyance systems.
  • Work on engineering designs preparing drawings, specifications, P&IDs, calculations, technical reports, and equipment selection for a variety of water or wastewater projects.
  • Lead design tasks with assistance from BC's subject matter experts.
  • Perform process mechanical facility design lead role (depending on experience).
  • Work with drafters and designers and coordinate with other disciplines to complete construction documents.
  • Mentor less experienced junior and entry‑level engineers.
  • Assist with the preparation and writing of technical memoranda, reports, and electronic deliverables.
  • Assist or lead studies or alternatives analyses.
  • Perform office services during construction on projects you designed, including submittal reviews, responses to requests for information, and other construction‑related office engineering work.
  • Check performance and/or conformity with design drawings and specifications through field inspection, equipment start‑up, and process testing during the construction of your projects.
  • Duties may also include occasional field activities such as site investigations, data collection, compilation, analysis, and documentation of field conditions; these activities may require occasional travel to project sites that are not local to your home office.
Required Skills and Experience
  • B.S. degree in Environmental, Mechanical, Civil, or Chemical Engineering; M.S. degree preferred.
  • P.E. certification/registration in Mechanical, Environmental, or Civil in good standing, or ability to obtain in the near future.
  • Experience designing water and wastewater projects and preparing construction documents including drawings, P&IDs, specifications, control narratives, technical memoranda, etc. is required.
  • Minimum 5 years of similar experience required; 6 to 10 years of increasing responsibility in related experience preferred.
  • Strong aptitude for researching and solving technical problems.
  • Strong written and verbal communication skills are essential.
  • Task design lead experience is required.
  • Experience with Microsoft Office Suite (Word, Excel, Teams, Access, Outlook, etc.) required.
  • Experience performing engineering calculations using computer…
Position Requirements
10+ Years work experience
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