SCADA OT Network Administrator

Salary : $88,589.75 - $ Annually
Location : Multiple locations within the City Brighton, CO 80601, CO
Job Type: Full Time
Job Number: 26-01369
Department: Utilities
Division: Water Treatment Plant
Opening Date: 05/22/2026
Closing Date: 7/21/2026 11:00 PM Mountain

Job Description

Starting hiring salary - $88,589.75 to $93,905.14 annually
DEFINITION:
The SCADA / OT Network Administrator is responsible for configuring, troubleshooting, optimizing, securing, and maintaining the City's Utilities Operational Technology network and SCADA system environment. This includes SCADA servers, virtual machines, HMI workstations, historian systems, alarm notification systems, PLC communication networks, industrial switches, firewalls, remote access systems, backups, software updates, and related OT infrastructure.
The position provides technical expertise to support day-to-day SCADA and OT network operations, including efforts to design, maintain, monitor, document, and audit OT infrastructure that supports water treatment operations. The role serves as a technical bridge between Utilities operations, City IT, engineering consultants, system integrators, contractors, and vendors.
This position must work well independently and with teams made up of employees from other divisions.

SUPERVISION EXERCISED AND RECEIVED:The position reports to the Water Treatment Plant Manager and works in close coordination with the IT Infrastructure Manager. This position does not supervise others.
EXAMPLES OF ESSENTIAL RESPONSIBILITIES AND DUTIES:
Install, configure, maintain, and troubleshoot SCADA servers, virtual machines, HMI workstations, historian systems, reporting systems, alarm notification systems, and related OT applications.
Administer and maintain the water treatment OT network, including industrial switches, routers, firewalls, VLANs, fiber and copper connections, remote access systems, and communication paths between PLCs, remote sites, servers, operator workstations, and City IT systems.
Monitor SCADA system and OT network performance, resource utilization, communication status, alarms, and system health to ensure optimal uptime, reliability, and performance.
Coordinate with City IT to ensure OT systems are appropriately segmented, backed up, secured, monitored, and supported while preserving the reliability and availability requirements of water treatment operations.
Support SCADA software platforms, including HMI screens, tags, alarms, trends, historian connections, reporting functions, user access, licensing, updates, and vendor-supported modules.
Perform routine maintenance tasks, such as patch coordination, software updates, firmware planning, server maintenance, workstation maintenance, endpoint protection coordination, and backup verification.
Design, implement, document, and regularly test backup and disaster recovery procedures for SCADA servers, historians, PLC programs, HMI applications, network configurations, firewall configurations, and critical OT data.
Manage user access, roles, permissions, authentication methods, and account reviews for SCADA and OT systems in coordination with City IT policies and operational security needs.
Maintain OT cybersecurity practices, including asset inventory, network diagrams, access control, remote access review, vulnerability coordination, incident response support, logging, and corrective action tracking.
Troubleshoot SCADA and OT communication issues involving PLCs, remote I/O, instrumentation networks, servers, workstations, switches, firewalls, fiber, radios, cellular routers, and vendor-managed equipment.
Coordinate with system integrators, engineers, contractors, vendors, and City IT during capital projects, upgrades, migrations, startups, commissioning, and control-system modifications.
Review proposed SCADA, network, PLC, instrumentation, and control-system changes for operational impacts, cybersecurity concerns, maintainability, backup requirements, documentation needs, and compatibility with existing standards.
Maintain accurate documentation of OT network architecture, IP addressing, VLANs, firewall rules, remote access methods, server configurations, software versions, backup…