Salary: $120,640.00 - $146,536.00 Annually
Location : CA 92708, CA
Job Type: Full-time
Job Number: 559
Department: Engineering
Division: Design
Opening Date: 06/17/2025
Closing Date: 7/1/2025 5:00 PM Pacific

Description
What do you value in your next job?
At the Orange County Sanitation District our Core Values form the framework of our organization and reinforce our professional work ethic. If the following values ring true with you, we'd love to invite you to explore our career opportunities further.
Integrity, Inclusion, Honesty, and RespectWe aspire to the highest degree of integrity, inclusion, honesty, and respect in our interaction with each other, our suppliers, our customers, and our community. We strive to demonstrate these values in our actions, commitments, and service.
Leadership, Teamwork, and Problem SolvingWe lead by example, acknowledging the value of our resources and using them wisely to achieve our mission. We strive to reach OC San goals through cooperative efforts and collaboration with each other and our constituencies. We work to solve problems in a creative, cost-effective, and safe manner, and we acknowledge team and individual efforts.
Customer Service, Transparency, and AccountabilityWe are committed to acting in a timely, accurate, accessible, and transparent manner through excellent customer service. We are committed to act in the best interest of our internal and external stakeholders.
Resiliency, Innovation, and LearningWe continuously develop ourselves, enhancing our talents, skills, and abilities. We recognize that only through personal growth and development will we progress as an agency and as individuals.
SafetyWe are committed to providing a safe work environment. We will demonstrate leadership, promote individual accountability, and participate actively in the advancement of our health and safety practices.
OC San is currently looking to fill the role of an IT Analyst III (PLC/DCS Programmer).

Under general supervision, performs moderate to complex professional-level duties in the analysis, evaluation, design, development, programming, testing, implementation, documentation, and maintenance of a variety of systems and programs for OC San; troubleshoots, analyzes, and resolves moderate to complex systems, network hardware and software, voice and data system, and application problems; designs and maintains databases; designs, configures, and maintains telecommunications systems; provides technical support and training to end users for network and enterprise-wide systems; and performs duties as assigned.
The candidate should be experienced in programming Programmable Logic Controllers (PLC) and/or Distributed Control Systems (DCS), implementing Human Machine Interface (HMI) systems, and testing and commissioning control systems for wastewater, water, and industrial systems.

Under general supervision or direction, the IT Analyst III:

• Performs complex Programmable Logic Controller / Distributed Control System (PLC/DCS) and Human Machine Interfaces (HMI) programming to support projects as assigned. Performs complex PLC/DCS modification requests for Operations as assigned.
• Supports project commissioning by leading review of commissioning procedures and field testing of the control system.
• Reviews complex design submittals and provides comments to improve conformity to standards and guidelines.
• Reviews complex construction submittals and identifies any deviations from contract documents.
• Participates in project meetings keep informed of the project schedule and identify any risks that need to be addressed.
• Follows established guidelines and/or direction from assigned project manager.
• Works independently, and work is reviewed upon completion to ensure it is completed in according to the guidelines and standards.
• Stays abreast of new trends and innovations in the field of industrial control systems.
• Uses tools to remove, install and test equipment including networking equipment, power supplies, fiber optics and cabling.
• Works in construction sites and around wastewater treatment facilities.
• Other duties as assigned

Qualifications & Requirements
Required:
Any combination of education and experience that provides the required knowledge, skills, and abilities may be qualifying as determined by OC San.

1. Bachelor's degree from a college or university accredited by the U.S. Department of Education, with major coursework in computer science, information systems, or a related field.
2. Two (2) years of increasingly responsible work experience in information systems or network programming and analysis.
3. Must possess a valid California Class C Driver's License.

Desired:

• Proficiency with Microsoft Office Excel, Word and Access.
• Working knowledge of Schneider Electric Modicon ProWorx NxT and/or Control Expert (formerly Unity) and understanding of Programmable Logic Controllers with experience writing PLC programs in ladder logic or IEC 61131-3 Function Block Diagram.
• Working knowledge of ABB System 800xA and understanding of Distributed Control Systems.
• Experience with configuration and development of HMI graphics using Wonderware, DCS or modern HMI platforms.
• Advanced control systems experience with SCADA systems for wastewater, water, or industrial systems including development of complex algorithms for feedback, feed-forward, cascade and sequential logic controls.

Recruitment & Selection Process
Vacancies: 1

(an eligible list may be established for future vacancies)
Apply online at:
APPLICATION FILING DEADLINE: Tuesday, July 1, 2025; 5:00 P.M.

(or until a sufficient number of qualified applications have been received)
Hiring Salary Range: $120,640.00 - 133,016.00/Year*

*(starting salary will be within this range based upon qualifications)

Supplemental Information

PHYSICAL DEMANDS

• Mobility to work in a standard office setting and use standard office equipment, including a computer; to operate a motor vehicle and visit various OC San sites; this is primarily a sedentary office classification although standing in work areas and walking between work areas may be required; occasionally bend, stoop, kneel, reach, push, and pull drawers open and closed to retrieve and file information; ability to lift, carry, push, and pull materials and objects up to 35 pounds.
• Vision to read printed materials and a computer screen.
• Hearing and speech to communicate in person and over the telephone.
• Finger dexterity to access, enter, and retrieve data using a computer keyboard or calculator and to operate standard office equipment.

ENVIRONMENTAL ELEMENTS

• Office environment with moderate noise levels, controlled temperature conditions, and no direct exposure to hazardous physical substances.
• Employees may interact with upset staff and/or public and private representatives in interpreting and enforcing departmental policies and procedures.

OTHER REQUIREMENTS

• May be required to work extended hours, including nights, weekends, and holidays when necessary.
• Probationary Period: All OC San employees, except classifications considered "at-will", are subject to the probationary period provisions as specified in the applicable Memorandum of Understanding, policies, and/or resolutions. Employees who have not yet successfully completed their initial probationary period serve "at-will" and may be released from employment without cause or recourse to any appeal or grievance procedures.
• Pre-Employment: All employment offers are contingent upon successful completion of OC San's pre-employment process, which includes a background investigation, a physical examination, and a drug screen.
• Work Location Assignment: Employees will be assigned to a work location based on business needs which may be located at any/all of OC San locations; this work location may be changed at any time.

Disaster Service Workers
All Orange County Sanitation District employees are designated Disaster Service Workers through state law (California Government Code Section 3100-3109). Employment with the Orange County Sanitation District requires the affirmation of a loyalty oath to this effect. Employees are required to complete all related training as assigned, and to return to work as ordered in the event of an emergency.

OTHER INFORMATION

For the full range of duties, responsibilities, and essential job functions please review the Classification Specification for this position found on

Applicants must clearly demonstrate, through their application materials, that they meet the minimum requirements as outlined in the job announcement and class specification to receive further consideration. However, meeting the minimum requirements does not guarantee an interview. All properly completed applications will be reviewed, and the most appropriately qualified individuals will be invited to continue in the selection process.
False statements may be cause for disqualification, removal from the eligible list, or discharge from employment. All statements made on applications are subject to investigation and verification.

To ensure your application is accurate and complete, please review the
Employment is contingent upon successful completion of OC San's pre-employment process, which includes a background investigation and a physical examination. For some positions, this may include a drug screen. False statements may be cause for disqualification, removal from the eligible list, or discharge from employment. All statements made on applications are subject to investigation and verification.

Reference Checks will be conducted by OC San to verify employment related information for all potential employees once a contingent job offer is made during the background investigation process. This is done to ensure that individuals who join OC San are well qualified and have a strong potential to be successful in their employment. The extent of the inquiry will depend on the position being applied for, but will at least include:

• Verification/Reference from current and past employers
• Confirmation of necessary licenses, certificates, and degrees.

Please have all necessary documentation ready. Additional inquiries may be necessary depending on the position for which you are applying. Human Resources will also schedule a post-offer physical examination once a job offer has been made.
OC San only accepts applications submitted via our online application system. Applications submitted via mail, fax or email will not be accepted.
The provisions of this announcement do not constitute an expressed or implied contract. Any provision contained in this announcement may be modified or revoked without notice.
Ten working days paid vacation after one year of service; eleven paid holidays and one floating holiday; sick leave; group life insurance; group disability insurance; group health insurance, dependent coverage available, including medical, dental, and vision, employee contribution is required; a retirement plan (Orange County Employees Retirement System) and the option of participating in a deferred compensation plan as well as other optional benefits. A credit union is available. Benefits are subject to the Board of Directors' periodic determination (usually annually) and the meet and confer process, and are therefore subject to change. The District makes a generous contribution toward the cost of these benefits.
01

PLEASE READ. The information provided on the Supplemental Questions will be used in conjunction with your job application to determine whether you meet the qualification requirements. Failure to provide detailed and complete information may result in your application being rejected. Do not submit a resume in place of completing these Supplemental Questions. Education obtained outside the United States must be comparable to education earned at an accredited school in the United States. We reserve the right to request further information about your academic program, evidence of comparability, or an original transcript. Any information you submit may be verified.When applying for this position, I understand that I must thoroughly complete the Education and Work Experience sections of my application and the Supplemental Questions. This includes a detailed description of each position that I feel qualifies me for the job I am seeking. I have read the above statement and understand that failure to provide sufficient detailed information may result in my application being rejected. I also understand that I may not submit a resume in lieu of filling out the job application or answering the Supplemental Questions. However, I may attach a resume to the application to provide additional information.

• Yes, I understand.

02

Do you have a bachelor's degree from a college or university accredited by the U.S. Department of Education, with major coursework in computer science, information systems, or a related field?

• Yes
• No

03

If you answered "No" to question #2, please describe how your combination of education and experience provide the knowledge and skills required for this position. If you answered "Yes", type N/A.
04

If you answered 'Yes' to question #2, please indicate the major and emphasis of your bachelor's degree, as it appears on your diploma. If you answered 'No', type N/A.
05

Do you possess two (2) years of increasingly responsible work experience in information systems or network programming and analysis?

• Yes
• No

06

Do you have two (2) years of work experience in PLC/DCS and HMI control system programming, testing and commissioning?

• Yes
• No

07

Please indicate in which of the following areas you can demonstrate strong hands-on experience. Please do not include management or supervisory experience: (Check all that apply)

• Schneider Electric Modicon ProWorx NxT ladder logic programming software
• Other ladder logic PLC programming software
• Schneider Electric Control Expert (or Unity) programming software
• Other IEC 61131 PLC programming software
• ABB System 800xA DCS platform programming software
• Other DCS platform programming software
• CRISP/32 HMI graphical software
• Wonderware InTouch or System Platform HMI graphical software
• Other HMI graphical software, including DCS
• Schneider Electric Modbus, and Modbus TCP communication protocol
• Other industrial networking protocols and equipment
• Cisco networking - switches and routers
• Microsoft Visual Studio - Visual Basic or C#
• Microsoft SQL Database or similar
• Air blown fiber or fiber optic network installation and troubleshooting
• None of the Above

08

Which of the following best describes your level of proficiency in developing PLC and DCS control system programs?

• No Experience
• Beginner
• Intermediate
• Advanced

09

Which of the following best describes your level of proficiency with drawing, linking and configuring graphics in applications used to develop HMI graphical systems?

• No experience
• Beginner
• Intermediate
• Advanced

10

Briefly describe your experience programming PLC and/or DCS systems. Include manufacturer, model number, programming language (ladder logic, function block, etc.), approximate number of I/O points, and your role on the project. If no experience, type "N/A".
11

Briefly describe your experience configuring HMI systems. Include the software package, approximate number of screens, and your role on the project. If no experience, type "N/A".
12

Are you in possession of or do you have the ability to obtain an appropriate, valid California Class C Driver's License by time of appointment?

• Yes
• No

13

All Orange County Sanitation District employees are designated Disaster Service Workers through state law (California Government Code Section 3100-3109). Employment with the Orange County Sanitation District requires the affirmation of a loyalty oath to this effect. Employees are required to complete all related training as assigned, and to return to work as ordered in the event of an emergency. Click on the radio button below to acknowledge you understand these requirements.

• Yes, I understand.

Required Question