I/C Computer Technician

Arizona Public Service - APS

. Maintain, test, troubleshoot, configure and support safety-related, security-related and risk-significant digital systems supporting nuclear plant operations, security and emergency preparedness .

Posted 11/6/2026full-timeUnited StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in maintaining and troubleshooting safety-related digital systems, including PLCs, DCS, and plant computer systems, while ensuring compliance with nuclear cybersecurity and emergency preparedness protocols. Capable of performing technical support, system upgrades, and configuration management in high-stakes environments.

Highest-signal resume keywords

Digital Control SystemsPLCsCybersecurity ActivitiesTechnical SupportConfiguration Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Plant Computer SystemsDCS PlatformsRTUsData Acquisition SystemsSurveillance TestingLogic TestingCalibrationSystem RestorationIndustrial NetworkingSignal Conditioning

Soft Skills

Manual DexterityAbility to LearnMentoring

Tools & Technologies

Windows ServerUNIX ServerVideo Surveillance CamerasAccess Control InterfacesEmergency Evacuation LightingBucket TrucksBoom Lifts

Certifications & Qualifications

EEI MASS TestNuclear Access Qualification

Industry Keywords

Nuclear Cybersecurity RequirementsEmergency PreparednessCorrective Action ProgramConfiguration RecordsTechnical Specifications

Tech Stack

Tools & technologies

Cyber SecurityFirewallsUnix

About the role

Key responsibilities & impact

Maintain, test, troubleshoot, configure and support safety-related, security-related and risk-significant digital systems supporting nuclear plant operations, security and emergency preparedness
Perform surveillance testing, post-maintenance testing, system upgrades and cybersecurity activities on plant computer systems, DCS, PLCs, data acquisition systems and associated networks
Maintain and troubleshoot safety-significant plant computer systems, DCS platforms, meteorological tower monitoring systems, PLCs, RTUs and other digital or networked components
Conduct channel checks, functional testing, logic testing, calibration, surveillance activities and post-maintenance testing
Diagnose hardware, software, communication and data-quality issues and restore system functionality
Maintain and test security computer systems, access control interfaces, intrusion detection sensors, video surveillance cameras, vehicle barriers, security doors, turnstiles and associated field panels
Maintain evacuation notification sirens, public-address and broadcast systems, emergency evacuation lighting and related communication interfaces
Perform elevated work using bucket trucks and boom lifts to access sirens, speakers, cameras and lighting
Perform cybersecurity and configuration-management activities, including backups, patching, account management, firewalls, data diodes, version control and system hardening
Support cybersecurity assessments, maintenance, audits and incident response
Support digital system upgrades, modifications and Site Modification Packages throughout the project lifecycle
Participate in stakeholder meetings, factory acceptance testing, cyber FAT, site installation testing and integrated system testing
Conduct logic validation, I/O checkout, interlock testing and system restoration after modifications
Provide technical support during plant outages, including upgrades, large-scale testing, troubleshooting and system startup
Document work activities, surveillance results, test data and as-left conditions in the site work management system
Maintain configuration records, engineering drawings, change documentation and audit evidence packages
Support the Corrective Action Program by initiating condition reports and contributing to evaluations and corrective-action implementation
Provide technical support and mentoring

Requirements

What you’ll need

High school diploma/GED plus three (3) years of working experience in I&C, digital controls, plant computer systems or equivalent technical roles
One year of the required experience should be related technical training
High degree of manual dexterity and ability
Capability to learn and apply basic skills
Ability to qualify for and maintain unescorted nuclear access
Ability to obtain and maintain required site and system qualifications
Must meet or exceed minimum education and experience requirements per Palo Verde Procedure 01DP-0EM08, Appendix A
EEI MASS Test administered
Knowledge of digital control systems, PLCs, RTUs and microprocessor-based systems
Knowledge of plant computer systems, historians, Windows/UNIX Server-based computer systems and data concentrators
Knowledge of safety-related and risk-significant digital systems
Knowledge of industrial computer networking, Ethernet-based and fiber-optic-based communications
Knowledge of industrial instrumentation interfaces, test equipment usage and signal conditioning
Knowledge of Technical Specifications, surveillance requirements, configuration management, change control, nuclear cybersecurity requirements, emergency preparedness and security system interfaces, procedure use, human performance tools and corrective action processes
Must be a U.S. person for openings at Palo Verde Nuclear Generating Stations
Must reside in Arizona, or in New Mexico for Four Corners-based employees
Must be able to perform field and/or facility work, including elevated work using aerial equipment
May be required to serve in the Emergency Response Organization and support refueling or short-notice outages

Benefits

Comp & perks

Emergency Response Organization (ERO) participation and outage support are conditions of employment
Drug and alcohol testing consistent with business necessity, regulatory requirements and applicable laws
Equal opportunity and nondiscrimination employment policy
Family and Medical Leave Act (FMLA) rights
Testing and scheduling information provided by email