Water/Wastewater Engineer

Skills Alliance; Washington; Hybrid; USD 120,000 - 180,000; Full time

Job summary

Skills Alliance in Washington State seeks a Senior Process Engineer (PE) to lead water and wastewater treatment design projects from concept through commissioning. You will develop PFDs, P&IDs, mass balances, and equipment specs, ensuring high performance and regulatory compliance.

The role requires 8+ years of experience, an active PE license, and strong client-facing communication. You will mentor junior engineers and support proposals while delivering technically impactful solutions.

Qualifications

• Active Professional Engineer (PE) license required.
• 8+ years of water and wastewater treatment engineering experience.
• Bachelor's degree in an engineering discipline (Chemical/Environmental/Civil).
• Strong communication and client-facing skills.
• Experience designing and implementing complex treatment solutions.

Responsibilities

• Lead process design for water and wastewater projects from concept to commissioning.
• Develop PFDs, P&IDs, mass balances, equipment specs, and system designs.
• Conduct process evaluations, pilot studies, troubleshooting, and optimization.
• Support project teams through detailed engineering, startup, and operations.
• Interface with clients, consultants, regulators, and internal stakeholders.
• Review and approve engineering calculations, technical reports, and design documentation.
• Provide technical leadership and mentorship to junior engineers.
• Support business development with proposals, presentations, and client meetings.
• Ensure compliance with regulations, standards, and permitting requirements.

Skills

Process design

Process optimization

Client-facing communication

Technical leadership

Pilot studies

Education

Bachelor's degree in Chemical Engineering

Bachelor's degree in Environmental Engineering

Bachelor's degree in Civil Engineering

Job description

An established and rapidly growing water technology company is seeking a Professional Engineer (PE) with strong expertise in process engineering for water and wastewater treatment systems. This position will play a key role in the design, optimization, and execution of complex treatment projects serving industrial and municipal clients across North America.

The ideal candidate will combine strong technical engineering capabilities with hands-on project experience and a passion for solving challenging water treatment issues.

About the Role

Process Engineer (PE) – Water & Wastewater Treatment

• Location: Washington State Preferred (Hybrid/Flexible)

Responsibilities

• Lead process design and engineering for water and wastewater treatment projects from concept through commissioning.
• Develop process flow diagrams (PFDs), P&IDs, mass balances, equipment specifications, and treatment system designs.
• Conduct process evaluations, pilot studies, system troubleshooting, and performance optimization.
• Support project teams through detailed engineering, construction, startup, and operational phases.
• Interface directly with clients, consultants, regulatory agencies, and internal stakeholders.
• Review and approve engineering calculations, technical reports, and design documentation.
• Provide technical leadership and mentorship to junior engineers and project teams.
• Support business development activities by assisting with technical proposals, presentations, and client meetings.
• Ensure compliance with applicable industry regulations, design standards, and permitting requirements.

Qualifications

• Bachelor's degree in Chemical Engineering, Environmental Engineering, Civil Engineering, or a related discipline.
• Active Professional Engineer (PE) license required.
• 8+ years of experience in water and wastewater treatment engineering.
• Strong knowledge of treatment processes including physical, chemical, and biological systems.
• Experience designing and implementing complex treatment solutions for industrial and/or municipal applications.
• Proficiency with engineering calculations, process modeling, equipment selection, and system optimization.
• Strong communication and client-facing skills.

Required Skills

• Strong technical engineering capabilities in water and wastewater treatment systems.
• Process design and optimization skills.
• Experience with process evaluations, pilot studies, and system troubleshooting.
• Ability to interface with clients, consultants, regulatory agencies, and internal stakeholders.
• Technical leadership and mentorship abilities.
• Business development support skills including proposals and presentations.

Preferred Skills

• Experience with municipal drinking water treatment systems.
• Background in advanced treatment technologies such as membrane systems, filtration, biological treatment, nutrient removal, reuse, or high-strength industrial wastewater.
• Previous consulting engineering, EPC, technology provider, or design-build experience.
• Project management experience and ability to oversee multidisciplinary teams.
• Washington PE registration or ability to obtain reciprocity preferred.

What Makes This Opportunity Attractive

• Join a highly respected organization delivering innovative water treatment solutions.
• Work on technically challenging projects with significant impact on water sustainability.
• High visibility role with opportunities to influence engineering strategy and project execution.
• Collaborative, entrepreneurial culture with strong growth trajectory.
• Competitive compensation package and long-term career advancement potential.