Process-Mechanical Engineer

Donohue & Associates, Inc.; St. Louis (MO); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) plan with company contribution

Paid time off and company holidays

Flexible work schedules around core:

Discretionary annual bonuses

Industry-unique monthly profit-sharing

Job summary

Donohue & Associates, Inc. in the upper Midwest invites applications for a Process-Mechanical Engineer with extensive water/wastewater project leadership.

You will guide clients and our project teams through planning, design, construction, and operations for water and wastewater systems. The ideal candidate has a BS in engineering, PE registration, and 10+ years of relevant experience, plus strong communication and client‑focused teamwork.

Qualifications

• BS in Environmental, Mechanical, Chemical, or related engineering.
• PE registration.
• 10+ years of relevant technical experience.

Responsibilities

• Lead planning, design, construction, and operations for water and wastewater systems.
• Collaborate with clients and project teams through all phases of a project.

Education

BS in Environmental, Mechanical, Chemical, or related engineering

PE Registration

Job description

Our Process-Mechanical Engineer position offers an exciting opportunity for the selected candidate to be part of Donohue & Associates, a firm with national water/wastewater expertise in a small company environment. We are seeking an experienced engineer who can work with clients to provide project leadership, planning, design, construction, and operational services for wastewater and/or water systems. You will collaborate closely with clients and Donohue project team members throughout each of these project phases.

Desired Qualifications

• Experience in planning and designing water and wastewater systems, including pumping, process and mechanical piping, and related valves and process equipment.
• Positive team- and client-focused attitude directed towards delivering quality work on time and within budget.
• Strong communication and interpersonal skills.
• Active participation in related professional associations a plus.

Requirements

• B.S. in Environmental, Mechanical, Chemical, or related engineering degree
• PE registration
• 10+ years of relevant technical experience

An employee-owned engineering consulting firm since 1997, Donohue & Associates has multiple offices across the upper Midwest. We work in multi-discipline teams to provide municipal and industrial clients with client‑focused services for drinking water, wastewater, and stormwater infrastructure. Engineering News-Record ranks Donohue among the Top 20 Wastewater Treatment Plant Design Firms, and our innovative design teams consistently receive awards for engineering excellence.

Donohue offers a competitive wage and comprehensive benefits package, including:

• Medical, dental, and vision insurance
• Robust 401(k) plan with company contribution
• Paid time off and company holidays
• Flexible work schedules around core hours
• Short- and long-term disability/life insurance
• Flexible spending accounts (FSAs)
• Professional organization support
• Discretionary annual bonuses
• Industry-unique monthly profit-sharing plan

At Donohue, you’ll find a collaborative environment where your contributions directly influence our success—and yours.

Donohue is an Equal Opportunity Employer.