OTCR Senior Technical Specialist

We are a water-focused engineering consulting firm, certified as a Great Place to Work® based on feedback from our community of over 260 team members. We ranked top three in the AEC Advisors 2021 and 2022 Diversity Index Top Firms and have been recognized as one of Fortune’s® Best Workplaces in Consulting and Professional Services from 2023 – 2025. Since 1990, our mission has been to be the water firm of choice for both our clients and our team.

Over the years we have built upon that mission and now integrate a host of high-quality services in groundwater, water supply, water and wastewater treatment, water and wastewater infrastructure, stormwater, recycled water, construction management, and operations technology from our multiple locations in the west. As a team, we work with our clients to understand their true needs. Our long-term relationships are based on integrity, partnership, and high-value solutions.

In 2026 and beyond, West Yost is advancing water resources for future generations and living our core values every day.

Compensation range: $105,000 - $138,000. Based on our Phoenix office location. (West Yost uses geographic salary differentials that would apply for candidates in other regions).

This is a Hybrid role with 3 days in the office and 2 days remote.

We provide a comprehensive array of valuable benefits to protect your health, your family, and your way of life. Benefits include medical, dental, vision, flexible spending accounts, health saving accounts (with West Yost contribution), paid vacation, paid sick leave and holidays, two employee assistance programs, travel assistance program, 401(k) profit sharing with employer match, leaves of absence with additional supplemental paid time off, parental leave, life and AD&D insurance, short-term and long-term disability insurance, and even pet insurance.

The Senior Technical Specialist I leads the planning, design, programming, and management of industrial control systems. This position provides advanced expertise in PLC and SCADA programming, control strategy development, SCADA standards development, SCADA master planning, and the application of Cyber-Informed Engineering (CIE) principles. This role combines technical leadership, project management, client engagement, mentorship, business development, and support of critical infrastructure resilience initiatives.

The successful candidate exercises independent technical judgment and serves as a trusted advisor to clients and internal teams.

• Develop, test, maintain, and update SCADA and PLC programs that provide monitoring and control of plant and process systems.
• Design and configure PLC logic and HMI applications for water and wastewater processes.
• Design and develop control systems including instrumentation, panels, field devices, and associated equipment.
• Develop Piping and Instrumentation Diagrams (P&IDs), control narratives, control strategies, Standard Operating Procedures (SOPs), and technical specifications.
• Develop and maintain SCADA standards to promote consistency, scalability, cybersecurity, and reliability.
• Contribute to the development and implementation of SCADA Master Plans.
• Query databases and historians for historical data to facilitate report development by utilities.
• Apply advanced knowledge of instrumentation and automatic control of dynamic processes to promote safe, reliable, and efficient operations.
• Design advanced control strategies including PID control, sequencing, interlocks, redundancy schemes, and fail-safe systems.
• Apply the Cyber-Informed Engineering (CIE) methodology to control systems design and programming.
• Demonstrate working knowledge of industrial networking fundamentals, including Ethernet-based control networks, managed switches, VLANs, network segmentation, and routing.
• Apply basic cybersecurity principles as they relate to industrial control systems, including secure remote access, user access management, system hardening, patch management coordination, and network architecture awareness.
• Exercise independent technical judgment in routine and moderately complex…