IT Security Infrastructure Engineer II / III / Senior

IT Security Infrastructure Engineer II / III / Senior

Are you a hands-on security engineer who thrives at the intersection of physical security and technology? At APS, you'll play a key role in protecting critical infrastructure that powers communities across Arizona. This role is focused on designing and supporting advanced physical security systemsincluding access control and video managementensuring they are secure, reliable, and built to scale. You'll work on systems that directly impact real-world operations, from securing facilities across the state to supporting incident response and system resilience. If you're someone who enjoys solving complex problems, working in the field, and seeing the tangible impact of your work, this is a unique opportunity to do just that.

What You'll Do:

• Design, implement, and support enterprise-level physical security systems, including access control (PACS) and video surveillance (CCTV)
• Lead and support system upgrades, installations, and migrations across security platforms, servers, and databases
• Troubleshoot and resolve complex security system issues, both remotely and in the field, minimizing downtime and operational risk
• Partner with cybersecurity, engineering, network, and field teams to ensure systems are secure, integrated, and performing reliably
• Support compliance efforts, including documentation, system testing, and maintaining security records aligned to regulatory standards (e.g., CIP)
• Validate network connectivity and performance for security systems to ensure seamless operation across locations
• Coordinate with vendors and internal stakeholders to deliver high-quality installations and system enhancements
• Evaluate new technologies and continuously improve system performance, scalability, and security posture

What You Bring:

• Hands-on experience with physical security systems such as access control, video management, and supporting infrastructure
• Experience working with security system servers, hardware deployments, and database or platform migrations
• Strong troubleshooting skills with the ability to diagnose and resolve issues across integrated systems
• Familiarity with compliance-driven environments and structured documentation practices
• Experience working across cross-functional teams, including cybersecurity, network, and field operations
• Comfort working in both technical and field environments, supporting systems at multiple locations
• A proactive mindset with a focus on ownership, reliability, and continuous improvement

Minimum Requirements:

• IT Security Infrastructure Engineer II: Bachelors degree in Information Technology or related field PLUS two (2) year of prior relevant experience or equivalent combination of education and directly related experience.
• IT Security Infrastructure Engineer III: Bachelors' degree in Information Technology or related field PLUS five (5) year of prior relevant experience or equivalent combination of education and directly related experience.
• IT Security Infrastructure Engineer, Senior: Bachelors' degree in Information Technology or related field PLUS seven (7) year of prior relevant experience or equivalent combination of education and directly related experience.