Senior Wastewater Process Engineer

Job Details Date: Oct 11, 2026 Location: Creve Coeur, MO, US Company: Black & Veatch Family of Companies 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 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. 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 Qualifications Advanced degree (Master's or Doctoral) in civil, environmental, or chemical engineering preferred. 10 years of experience in wastewater water treatment with at least 5 years in water quality and treatment (water quality analysis, treatment evaluations, process design, regulatory compliance assessments, etc.). Advanced knowledge of process design for treatment of municipal wastewater, engineering design principles and applicable design guides and standards related to assigned engineering discipline Experience with using modern process simulators such as BioWin, GPS‑X, Sumo, and/or Simba# Established leadership skills with deep understanding of consulting, project execution, client services, and business development. Effective written and oral communications, Drive for Results, Priority Setting, Planning, Delegation, Directing Others, Conflict Management, Informing, Listening, Dealing with Ambiguity, and Building Effective Teams Minimum Qualifications Requires a bachelor's degree in engineering from either a recognized accredited program in their home country or the country in which the professional is practicing or equivalent experience in Engineering work. Minimum of 11 years related work experience. All applicants must be able to complete pre‑employment onboarding requirements (if selected) which may include any/all of the following: criminal/civil background check, drug screen, and motor vehicle records search, in compliance with any applicable laws and regulations. Holds an active engineering registration or licensure to support engineer of record (EOR) requirements for BV projects in applicable countries, and supports where necessary. Certifications Holds an active engineering registration or licensure to support engineer of record (EOR) requirements for BV projects in applicable countries, and supports where necessary. Work Environment/Physical Demands Hybrid or flexible work options may be offered after the first 90 days of employment based upon manager discretion, job performance and work assignments. Typical office environment, typical construction environment, extreme weather conditions, high noise level, safety hazards (electric currents, working on scaffolding and high places, exposure to chemicals), atmospheric conditions (fumes, odors, dusts, mists, gases, poor ventilation). Sitting, walking, talking, hearing, reading, writing, keyboarding, driving, filing, reaching, stooping, crouching, bending, standing for extended periods of time, lifting or carrying up to 40 pounds Salary Plan REG: Registered Engineering Job Grade 017 Black & Veatch endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process because of a disability, please contact the Employee Relations Department at View phone number on click.appcast.io or via our accommodations request form. This contact information is for disability accommodation requests only; you may not use this contact information to inquire about the status of applications. General inquiries about the status of applications will not be returned. Black & Veatch is committed to being an employer of choice by creating a valuable work experience that keeps our people engaged, productive, safe and healthy. Our comprehensive benefits portfolio is a key component of this commitment and offers an array of health care benefits including but not limited to medical, dental and vision insurances along with disability and a robust wellness program. To support a healthy work‑life balance, we offer flexible work schedules, paid vacation and holiday time, sick time, and dependent sick time. A variety of additional benefits are available to our professionals, including a company‑matched 401k plan, adoption reimbursement, tuition reimbursement, vendor discounts, an employment referral program, AD&D insurance, pre‑taxed accounts, voluntary legal plan and the B&V Credit Union. Professionals may also be eligible for a performance‑based bonus program. We are proud to be a 100 percent ESOP‑owned company. As employee‑owners, our professionals are empowered to drive not only their personal growth, but the company's long‑term achievements - and they share in the financial rewards of the success through stock ownership. By valuing diverse voices and perspectives, we cultivate an authentically inclusive environment for professionals and are able to provide innovative and effective solutions for clients. BVH, Inc., its subsidiaries and its affiliated companies, complies with all Equal Employment Opportunity (EEO) laws and regulations. Black & Veatch does not discriminate on the basis of age, race, religion, color, sex, national origin, marital status, genetic information, sexual orientation, gender Identity and expression, disability, veteran status, pregnancy status or other status protected by law. Notice to External Search Firms Black & Veatch does not accept unsolicited resumes and will not be obligated to pay a placement fee for unsolicited resumes. Black & Veatch Talent Acquisition engages with search firms directly for hiring needs. Job Segment Water Treatment, Process Engineer, Construction, Wastewater, Chemical Engineer, Engineering #J-18808-Ljbffr