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Assistant Engineer II - Instrumentation & Controls (Experienced)

Hazen and Sawyer
Concord, CA Volunteer
POSTED ON 4/29/2026
AVAILABLE BEFORE 10/25/2026
Hazen and Sawyer is seeking an experienced AE II in our I&C group in one of our office locations in California: Los Angeles, Irvine, San Diego, or Concord.

Why Hazen And Sawyer

  • Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an employee-owned company with a singular focus on "all things water."
  • Our work includes planning, design, and oversight of construction of environmental infrastructure – for water, wastewater, and stormwater management.
  • We foster a work environment low on bureaucracy and high in creativity.
  • We recruit talented professionals, provide them with challenging, interesting, and creative assignments, and furnish them with the tools they need to succeed.
  • We currently have over 2,000 employees in 70 offices throughout the United States, Latin America, Canada, and the UK.
  • A flexible hybrid work schedule supports today's busy professionals.

Key Responsibilities

  • Prepare Process and Instrumentation Diagrams (P&IDs), control system network diagrams, control panel wiring diagrams, equipment layouts, I&C system specifications, and installation details.
  • Coordinate with the other disciplines (process/mechanical, structural, architectural, HVAC, plumbing, electrical, and site civil).
  • Inspect, test, and approve I&C work provided by contractors at water and wastewater facilities.

Required Qualifications

  • Experience with AutoCAD and/or Auto CAD Plant 3D software or be willing to learn.
  • Experience with Microsoft Office products is required.
  • Strong verbal and written communication skills are required.
  • Knowledge of water/wastewater or industrial process instrumentation and equipment is desirable.
  • Prior working experience or internship in the water and wastewater industry is highly desirable.
  • Engineer in Training (EIT) Certificate, or ability to obtain within 1 year is desirable.
  • 2-5 years of experience.

What We Offer

  • Comprehensive health benefits (medical, dental, vision, and prescription plans).
  • Pre-tax flexible spending plans for medical, dependent care, and transportation.
  • Short and long-term disability, and employer paid life insurance.
  • Paid holidays, floating holidays, and paid time off (PTO).
  • Employer-contributed 401(k) plan and additional financial planning support.
  • Professional growth opportunities, including tuition reimbursement, in-house training, and incentives for professional registration and professional organization memberships. 
  • Starting pay range for this position depends on skills, experience, education and geographical location.

Salary : $100,000 - $120,000

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