Senior Process Engineer- Water Treatment (Membrane)

GHD; Long Beach (CA); Hybrid; USD 108,000 - 180,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

GHD is seeking a Senior Process Engineer in Southern California to lead design and optimization of membrane water treatment projects, supporting work across the West Region.

The role emphasizes mentoring engineers, client relationship building, and delivering sophisticated projects with strong leadership and collaboration in a hybrid office setting.

Qualifications

• Bachelor’s degree (Master’s preferred) in Chemical, Environmental, or Process Engineering from an accredited university.
• Minimum 8 years of experience
• Professional Engineer (PE) license in California, or the ability to obtain within 1 year.

Responsibilities

• Collaborate with fellow engineers on a wide range of projects.
• Participate in planning, design and construction oversight of membrane water treatment projects.
• Develop technical reports and proposals.
• Guide, train, and mentor junior and intermediate process engineers.
• Work with clients for planning, providing updates and building relationships.
• Interact with clients, suppliers, and regulators to support project concepts.

Skills

Membrane filtration design

Project leadership

Water treatment

PE license (CA)

Mentoring/teaching

Client communication

Startup support

Process engineering

Education

Bachelor’s/Master’s in Chemical/Environmental/Process Engineering

Job description

Job Description

Join a global professional services leader! We are committed to solving the world’s biggest challenges in the areas of water, energy, and urbanization.

GHD is seeking a Senior Process Engineer to join our water treatment team based out of Southern California, to lead the design, optimization and troubleshooting of advanced membrane filtration systems (RO, NF, UF) for municipal and industrial applications, supporting work across GHD’s West Region.

Our group focuses on water and wastewater treatment, asset management, operations support, and program management for public and private clients. You will use your experience and knowledge and be involved in exciting projects that will offer an opportunity to provide technical solutions.

As a Senior Process Engineer, you will provide design and management support and relating to the design of membrane water treatment projects. Further, you will have the opportunity to be a key member of the team responsible for the delivery of sophisticated and innovative projects, the mentorship of technicians and other engineers, and grow your competence towards becoming a design leader.

The successful candidate will have strong leadership and demonstrated engineering skills relating to membrane filtration technology. We are seeking self-motivated and active networkers who value building credible relationships with clients and the community.

Responsibilities include but are not limited to:

• Collaborate with fellow engineers on a wide range of projects.
• Participate in the planning, design and construction oversight of membrane water treatment related infrastructure projects.
• Develop technical reports and proposals.
• Guide, train, develop and mentor junior and intermediate process engineers.
• Work with clients for planning purposes, providing updates and building positive relationships.
• Interact with clients, suppliers, and regulators to help create successful concepts.

Our Hybrid Work Model:

Be part of the dynamic culture! Our workplace thrives on a hybrid model, combining in-office collaboration and flexibility. Join us in the office three days a week to contribute, connect and excel in our vibrant environment.

The Ideal candidate will have the following experience/skills:

• Proven experience in leading the design, optimization, and troubleshooting of advanced membrane filtration systems (such as Reverse Osmosis, Nanofiltration, Ultrafiltration, and Membrane Bioreactors) for municipal and industrial applications.
• Deep knowledge of water chemistry, membrane fouling mechanisms, normalization software and producing mass/energy balances for membrane separation units.
• Ability to select appropriate membrane materials, module configurations, and pretreatment/post-treatment processes to maximize recovery rates and energy efficiency.
• Ability to excel in a multidisciplinary team environment as well as independently. Lead multidisciplinary teams, coordinate with external clients or vendors, and act as the technical specialist during safety reviews.
• Demonstrated ability of effective time management, handling priorities, and working in a fast-paced environment.
• Ability to provide hands‑on technical support during plant startup, performance testing, root‑cause investigations, and ongoing operational troubleshooting.
• Attention to detail and ability to complete diverse assignments.
• Effective written and verbal communication skills.

Education:

• Bachelor’s degree (Master’s preferred) in Chemical, Environmental, or Process Engineering from an accredited university.

Requirements:

• Minimum 8 years of experience
• Professional Engineer (PE) license in California, or the ability to obtain within 1 year.

As a multicultural organization, we encourage individual achievement and recognize the strength of a diverse workforce. GHD is an equal opportunity employer. We provide equal employment opportunities to all qualified employees and applicants without regard to race, creed, religion, national origin, citizenship, color, sex, sexual orientation, gender identity, age, disability, marital status or veteran status.

Salary Range: $108,000-$180,000 based on experience and location