Senior PE Process Engineer Water​/Wastewater

Senior Process Engineer - Water/Wastewater

Are you a Senior engineer who still enjoys solving technical problems instead of spending all day in meetings?

An established environmental and engineering consulting firm is expanding its engineering team and seeking a Senior Process Engineer to support complex industrial and municipal wastewater projects throughout Southern California. This position offers a unique blend of hands-on technical work, project leadership, mentoring, and long-term career growth.

This is an opportunity to step into a highly visible role where your technical expertise will immediately impact active projects, team development, and the future growth of an expanding engineering practice. The organization is looking for a strong technical leader who can contribute today while helping shape the next generation of engineering talent.

• Lead and execute industrial and municipal wastewater projects from planning through delivery
• Perform wastewater process and systems design
• Review engineering documents, drawings, reports, and specifications
• Provide technical leadership and QA/QC oversight
• Review, approve, and stamp engineering deliverables as appropriate
• Mentor engineers and designers within a collaborative engineering team
• Support project planning, permitting, troubleshooting, and system optimization
• Interface with clients, regulatory agencies, and project stakeholders
• Help build engineering capacity and strengthen technical capabilities across the organization

Primary project focus includes:

• Industrial wastewater treatment
• Municipal wastewater treatment
• Wastewater process design
• Collection and conveyance systems
• Pump stations
• Water reuse
• Treatment and storage facilities
• Design-build projects

• Immediate impact on active engineering projects
• High-visibility technical leadership role
• Opportunity to mentor and develop staff
• Direct collaboration with Senior leadership
• Strong backlog of industrial and municipal wastewater work
• Growth path toward broader engineering leadership responsibilities
• Smaller company environment where ideas are heard and contributions are visible
• Flexible work hours while maintaining a collaborative office environment

• Active Professional Engineer (PE) license
• Experience supporting wastewater systems and process design
• Industrial and/or municipal wastewater project experience
• Ability to review technical deliverables and provide engineering oversight
• Experience leading projects and mentoring technical staff
• Strong communication and client-facing skills
• Ability to work onsite in Orange County, California

• California PE
• Industrial wastewater treatment expertise
• Process engineering background
• Design-build project experience
• Regulatory compliance and permitting experience
• Experience with water reuse, conveyance, pretreatment, or pump station projects
• Remediation experience (particularly for Civil PE candidates)

• Competitive base salary
• Performance-based bonus opportunities
• Medical, dental, and vision coverage
• Life and long-term disability insurance
• Paid holidays and PTO
• 401(k) with employer match
• Profit-sharing opportunities

Compensation is commensurate with experience, technical expertise, and wastewater process engineering depth.

The strongest candidates will bring a combination of:

• Deep wastewater process engineering expertise
• Hands-on technical capability
• Project leadership experience
• Mentorship and team-development skills
• A desire to remain technically involved while increasing their influence across projects and people

This role is best suited for engineers who enjoy solving complex technical challenges, supporting project teams, and helping build the future of an engineering organization.

This is a Permanent position based out of Orange, CA.

The pay range for this position is $150000.00 - $220000.00/yr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Health insurance 401(k) matching Paid…