Mechanical Engineer, High-Spec Water

Compass Water; Tustin (CA); On-site; USD 100,000 - 110,000; Full time

Benefits offered by this job

Medical insurance plans

401(k) with company match

Tuition reimbursement

Job summary

Compass Water is looking for a High-Spec Water Mechanical Engineer to oversee the design and delivery of complex water and wastewater systems. The successful candidate will have a degree in Mechanical Engineering and significant experience in related engineering environments. Responsibilities include leading designs, ensuring compliance with standards, and mentoring junior staff. The position offers a salary ranging from $100,000 to $110,000 annually and benefits including 401(k) matching and comprehensive medical plans.

Qualifications

• Significant experience in water, wastewater, or utilities engineering environments.
• Strong understanding of hydraulics and pumping systems.
• Proven ability to deliver high-spec, safety-critical projects.

Responsibilities

• Lead mechanical design and specification of water mechanical systems.
• Support projects from concept through detailed design and handover.
• Act as a technical authority for water mechanical systems.

Skills

Technical writing

Problem-solving

Communication skills

Hydraulics knowledge

Water treatment processes

Education

Degree in Mechanical Engineering

Tools

Digital design tools

Job description

Job Summary

CECO Environmental is a global leader in providing sustainable solutions for industrial air, water, and energy transition. Since 1966, we’ve been addressing the world’s most pressing environmental challenges. Our mission is to protect people, the environment, and industrial equipment, making a tangible impact across industries like renewable energy, semiconductor manufacturing, power generation, and water treatment. As a purpose-driven company, we foster a culture of innovation, collaboration, and integrity, ensuring that every project we undertake creates lasting positive change. At CECO, you’ll be part of a growing, dynamic team committed to a cleaner, safer, and more sustainable future.

The High‑Spec Water Mechanical Engineer is responsible for the design, specification, technical assurance, and delivery of complex water and wastewater mechanical systems across high value, high risk, or regulated projects. The role requires deep technical expertise, strong stakeholder engagement, and leadership in ensuring systems meet stringent performance, safety, and regulatory requirements.

This position plays a critical role in delivering robust, efficient, and compliant water infrastructure, often within multidisciplinary teams and fast paced environments.

As part of the CECO Environmental family of brands, Compass Water Solutions plays a critical role in delivering specialized water solutions that protect both people and the environment.

Responsibilities

• Technical & Engineering
  • Lead the mechanical design and specification of water and wastewater systems, including pumping systems, treatment processes, pipework and valve networks, filtration and disinfection systems, and mechanical plant and ancillary equipment.
  • Produce and review high‑spec technical documentation, including design calculations, technical specifications, schematics and layouts, and equipment schedules.
  • Ensure designs comply with industry standards, codes, and regulations (e.g., WRAS, BS/EN standards, local water authority requirements).
  • Carry out technical assurance and independent design reviews.
• Project Delivery
  • Support projects from concept through detailed design, construction, commissioning, and handover.
  • Liaise with clients, contractors, suppliers, and regulators to resolve technical challenges.
  • Review contractor submissions, method statements, and commissioning plans.
  • Provide site support, inspections, and witness testing where required.
• Leadership & Collaboration
  • Act as a technical authority for water mechanical systems within the business.
  • Mentor and provide guidance to junior engineers and project teams.
  • Contribute to technical strategy, best practice development, and continuous improvement initiatives.
  • Collaborate closely with civil, electrical, ICA, and process engineering disciplines.

Required Qualifications

• Degree in Mechanical Engineering or a related discipline.
• Significant experience in water, wastewater, or utilities engineering environments.
• Strong understanding of hydraulics, pumping systems, treatment processes, and mechanical plant.
• Proven ability to deliver high‑spec, safety‑critical, or regulated projects.
• Excellent technical writing, problem‑solving, and communication skills.

Preferred Qualifications

• Chartered or working towards CEng status (IMechE or equivalent).
• Experience with major frameworks, utilities providers, or mission‑critical facilities.
• Knowledge of energy efficiency, resilience, and sustainability principles.
• Familiarity with digital design tools (e.g., 3D modelling, BIM environments).

ADA Requirements

Physical Demand: Light to moderate work, involving exertion of up to 20 pounds of force occasionally and up to 5 pounds frequently.

This role is based in a manufacturing environment. Incumbents may be exposed to moving mechanical parts, electrical currents, vibrations, fumes, odors, dust, gases, chemicals, oils, extreme temperatures, inadequate lighting, confined spaces, and high noise levels. Occasional travel may be required.

Benefits

• Variety of medical insurance plans, including dental and vision coverage.
• Employee 401(k) with company match.
• Tuition reimbursement.
• And more.

Equal Opportunity

CECO is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, age, marital status, political affiliation, sexual orientation, gender identity, genetic information, disability or protected veteran status. We are committed to providing a workplace free of any discrimination or harassment.

Accessibility Assistance or Accommodation

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Pay Range

USD $100,000.00 - $110,000.00 /Yr.