Instrumentation and Controls Maintenance Technician

Instrumentation and Controls Maintenance Technician

Salary

$28.46 - $35.58 Hourly

Location

Public Services Complex - 2217 E McCarty Lane, San Marcos, TX

Job Type

Full-time Non-Exempt

Job Number

1963

Department

U - Water Maintenance

Opening Date

05/21/2026

Closing Date

6/5/2026 11:59 PM Central

FLSA

Non-Exempt

Work Hours

Varies

• Description
• Benefits
• Questions

JOB SUMMARY

The Instrumentation and Controls Maintenance Technician ensures reliable operation and regulatory compliance of the City's critical water and wastewater infrastructure. By maintaining and repairing lift stations, water production facilities, storage systems, and SCADA controls, the position safeguards public health and supports sustainable resource management. The work directly contributes to operational efficiency, environmental compliance, and uninterrupted service delivery to the community.

ESSENTIAL FUNCTIONS

• Performs daily inspections and operational adjustments on instrumentation and control systems supporting the City's Water and Wastewater Treatment facilities.
• Maintains, monitors, and operates water production stations, pressure stations, storage tanks, wastewater lift stations, and reclaim stations to ensure reliable and efficient system performance.
• Conducts functional testing, routine maintenance, and preventative care for electronic control equipment, including communication cables, antennas, and connections.
• Calibrates, configures, diagnoses, and repairs electronic recording and transmitting devices; performs mechanical repairs such as piping, tubing, and bracket welding as needed.
• Installs and modifies instrumentation and control systems; ensures proper operation and compliance with plans and specifications.
• Implements and adjusts control circuits and software programs for data logging and system control; provides technical direction to contractors, engineers, and vendors during installation or specialized maintenance.
• Inspects contractor and vendor installations for compatibility, functionality, and adherence to standards.
• Monitors inventory levels and assists with procurement of materials, parts, and services; updates asset management systems and reviews reports for work order status and maintenance schedules.
• Provides training and support to operators and users of the Supervisory Control and Data Acquisition (SCADA) system.
• Prepares schematics and maintains documentation of system parameters, control logic, performance data, and system changes.
• Supports facility inventory management and maintains assigned departmental vehicles and equipment.
• Participates in departmental meetings and provides on-call response to SCADA alarms, operational emergencies, and disaster-related incidents.
• Performs other related duties as assigned to support operational continuity and system reliability.

MINIMUM REQUIREMENTS & PREFERRED QUALIFICATIONS

• High School Diploma or equivalent.
• Two (2) years of technical training in electronic maintenance.
• Class "D" water or Class I wastewater certification within two (2) years of employment.
• Level II Wastewater Collections, Class C Distribution Water Treatment, or Class C Surface Water Treatment certifications are required within four (4) years of employment.
• Must possess a valid Texas Driver's License with an acceptable driving record.
• Required to perform after hours standby duties
• Must be able to respond within one (1) hour for emergency calls.

PREFERRED QUALIFICATIONS

• Two (2) years of experience in the maintenance of process instrumentation and control equipment is preferred.
• Experience programming PLC ladder logic is desired.

COMPETENCIES AND ENVIRONMENT

KNOWLEDGE, SKILLS, AND ABILITIES

• Knowledge of regulations, building and electrical codes, schematics, work orders, equipment manuals, and maintenance documentation.
• Skill in verbal and written communication, with the ability to convey technical information clearly and professionally.
• Skill in building and maintaining positive working relationships with City departments, external agencies, contractors, vendors, and the general public.
• Ability to read, comprehend, and apply technical documents and regulatory standards to operational and maintenance activities.

PHYSICAL DEMANDS

This position requires the ability to lift up to 50 pounds frequently. Subject to vision constantly; standing, sitting, walking, handling, fine dexterity, hearing and talking frequently; lifting, carrying, pushing/pulling, reaching, kneeling, crouching, bending, climbing, balancing and foot/hand controls occasionally; crawling and twisting rarely.

WORK ENVIRONMENT

Working conditions involve exposure to variable and/or extreme weather conditions, machinery with moving parts, electrical currents, hazardous chemicals, safety situations, elevated working conditions and infectious diseases.

Utilizes personal protective equipment as required.

The City of San Marcos offers its employees a broad range of benefits to enhance their personal and occupational lives. We are committed to a total rewards strategy that provides employees with competitive compensation, comprehensive benefits, and an environment that supports a healthy work/life balance. 2023 Benefits Guide

BENEFITS

Medical, Dental & Vision Coverage

• United Healthcare
• Choice Plus PPO Plan
• Prescription Drug Plan
• Wellness Initiatives
• Virtual Doctor Visits 24/7
• Dental Plan

Davis Vision Insurance

• Base Vision Plan
• Premium Vision Plan
• Laser Vision Correction discounts

Retirement

• Texas Municipal Retirement System (TMRS)
• Mission Square Retirement Corporation - optional 457-deferred compensation plan & Roth IRA

ADDITIONAL BENEFITS

• Flexible Spending Accounts
• City paid Life and AD&D Insurance
• Voluntary Life, AD&D and Long Term Disability insurance
• Employee Assistance Program
• Vacation
• Sick Leave
• Holidays
• Longevity Pay
• Tuition Reimbursement
• Activity Center Membership
• Direct Deposit

The City of San Marcos strives to provide employees with an opportunity for a flexible and positive work/life balance. Employees in eligible positions are offered remote telework options of up to two days per week or 40% of an employees scheduled work hours. Remote telework eligibility will be determined by department directors to ensure the City provides quality services.

01

Do you have a high school diploma or equivalent?

• Yes
• No

02

Do you have at least two (2) years of technical training in electronic maintenance?

• Yes
• No

03

Do you have any of the following licensure - Class "D" water or Class I wastewater certification, Level II Wastewater Collections, Class C Distribution Water Treatment, or Class C Surface Water Treatment certifications? Note: Class "D" water or Class I wastewater certification within two (2) years employment. Level II Wastewater Collections, Class C Distribution Water Treatment, or Class C Surface Water Treatment certifications are required within four (4) years of employment.

• Yes
• No

04

Do you have at least two (2) years of experience in the maintenance of process instrumentation and control equipment? Preferred

• Yes
• No

05

Do you have any experience programming PLC ladder logic? Preferred

• Yes
• No

06

Do you have, or are able to obtain, a valid Texas drivers license with an acceptable driving record?

• Yes
• No

07

Will you be able to perform after hours standby duties?

• Yes
• No

08

Will you be able to lawfully respond to an emergency call within one (1) hour of the call?

• Yes
• No

Required Question

Employer City of San Marcos, TX

Address 630 East Hopkins

San Marcos, Texas, 78666

Phone 512-393-8060

Website http://sanmarcostx.gov/jobs