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Senior Wastewater Process Engineer

Date: Oct 11, 2026

Location:

Creve Coeur, MO, US Creve Coeur, MO, US

Company: Black & Veatch Family of Companies

Together, we own our company, our future, and our shared success.

As an employee-owned company, our people _are_ Black & Veatch. We put them at the center of everything we do and empower them to grow, explore new possibilities and use their diverse talents and perspectives to solve humanity's biggest challenges in an ever-evolving world. With over 100 years of innovation in sustainable infrastructure and our expertise in engineering, procurement, consulting and construction, together we are building a world of difference.

Company : Black & Veatch Corporation

Req Id : 117561

Opportunity Type : Staff

Relocation eligible : Yes

Full time/Part time : Full-Time

Project Only Hire : No

Visa Sponsorship Available: No

Why Black & Veatch?

At Black & Veatch, you'll be part of work that matters-designing, creating, and building the infrastructure communities rely on every day, from concept through execution.

We care about how the work gets done as much as what we build. Safety is built into every decision, and people look out for each other-speaking up, collaborating, and doing the right thing because it affects real lives.

You'll work alongside teams solving complex challenges and turning ideas into solutions that perform in the real world-gaining hands-on experience across projects, technologies, and disciplines.

Ownership shows up in how we work. We take responsibility for outcomes, follow through on commitments, and take pride in what we deliver. As a 100% employee-owned company, employees share in the long-term success we build together.

With flexible ways of working and meaningful development opportunities, you'll build a career you can be proud to stand behind.

The Opportunity

In this role, you will have the opportunity to:

+ Function in a lead wastewater process engineer role as a technical specialist in the areas of conventional wastewater treatment

+ Use processes such as physical/chemical primary treatment, conventional activated sludge, biological nutrient removal, fixed-film processes, membrane bio-reactors (MBR), sidestream treatment, tertiary filtration, and disinfection

+ Provide technical guidance over a process team, supervise engineering staff on projects, and collaborate with multi-disciplinary design teams to implement complex treatment solutions

The Team

Black & Veatch Process Engineers develop technical solutions that are critical to winning work and drive design deliverables for critical infrastructure projects with community benefits. Our Team of over 200 process engineers support water, industrial, next generation agriculture, LNG, hydrogen, fertilizer, and carbon capture businesses among others. We have transformed our team to align with megatrends associated with water scarcity, limited resources, alternative fuels, and energy sustainability. Our industry leading solutions modernize infrastructure, optimize asset use, reduce cost, and mitigate risk.

Why BVs Process Engineering Team?

+ The work is rewarding and meaningful

+ The team is comprised of supportive and appreciative professionals

+ Career opportunities exist in many rapidly expanding business solutions

Key Responsibilities

Engineering:

+ Prepares a variety of complex engineering deliverables, including process models, process/mass balance calculations, design criteria/basis of design memoranda, process flow diagrams, P&IDs, tradeoff studies, and master planning studies

+ Typically supports multiple projects simultaneously with complex technical challenges

+ Serves as a technical specialist with knowledge and skillset providing guidance to project teams in conventional and/or emerging wastewater treatment systems

+ Performs complex research, including applied research activities involving bench, pilot, and full-scale testing to select or assess performance of treatment processes and incorporating the data into process models

+ Develops recommendations for appropriate treatment processes, equipment and/or materials selection

+ Oversees collection, assimilation, analysis, and management of data for process modeling and design work

+ Prepares process models and carries out complex engineering calculations following standard methods and principles

Client Focus:

+ Responsible for assisting with identification of key client interests and drivers for ongoing projects and new business prospects and may determine the key clients in some instances

+ Communicates client interests and drivers to project team members and develops creative solutions and approaches to accommodate our clients' goals and objectives

+ Provides support to business development or pursuit activities, including involvement in pre-positioning meetings, proposal development, client interviews, identification of winning sales messages.

+ Attends and presents on state-of-the-art wastewater treatment projects and thought leadership ideas at local, regional and national conferences

People Management:

+ Actively fosters knowledge management and provides mentoring to junior engineers

+ May assist with performance management process, mentoring, recognition, and any performance improvement actions required for junior engineers

+ Participate in coaching opportunities, career development planning, learning/training, and development of junior staff

Engineering Standards:

+ Provides guidance and direction on department design guides, standards, systems, and applicable engineering codes related to water quality and treatment

+ Assists in developing, maintaining and updating engineering standards Provides technical guidance to others regarding projects and disciplines

Quality / Continuous Improvement:

+ Independently applies knowledge and complies with Black & Veatch quality program relative to assigned tasks

+ May be responsible for ensuring compliance with Black & Veatch quality program

+ Provides related guidance and direction to others

+ Supports continuous improvement and change management efforts

+ Actively coordinates with all other internal/external team members on moderately complex projects

Resource Management - (budgets, tools, processes, project support):

+ Implements resource management strategy

+ Manages engineering resources for small groups

Administrative:

+ Ensures policies, procedures, and processes are effectively implemented and communicated for workgroup

+ Ensures adherence to corporate and division programs

+ May approve expense reports

**Preferred Q...

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Senior Wastewater Process Engineer Job Details | Black & Veatch Family of Companies