Senior

APS•Phoenix, AZ

1d•Onsite

About The Position

Our present and future success depends on the creative and dedicated people of our company who demonstrate the principles outlined in the APS Promise: Design for Tomorrow, Empower Each Other and Succeed Together. Summary 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 systems—including access control and video management—ensuring 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.

Requirements

Bachelors degree in Information Technology or related field
Minimum of two (2) year of prior relevant experience for IT Security Infrastructure Engineer II
Minimum of five (5) year of prior relevant experience for IT Security Infrastructure Engineer III
Minimum of seven (7) year of prior relevant experience for IT Security Infrastructure Engineer, Senior
Requires working technical knowledge gained through experience within a job area or system
Requires strong technical knowledge within a job area or system and basic knowledge across related technical areas
Requires in-depth level of technical knowledge within a job area and working knowledge of other technical areas
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
Requires Critical Infrastructure Protection (CIP) access consistent with North American Electric Reliability Corporation (NERC) standards.
The applicant considered for this role will be required to obtain and maintain CIP access for the duration of employment in this position.
A full seven (7) year criminal history will be obtained through the pre-employment background check process (or, for current employees, through supplemental background check process) to fulfill the CIP access requirements.
In addition, this position requires an additional background check every seven years to maintain access.

Nice To Haves

Knowledge of all infrastructure technologies (compute, storage, networking, physical infrastructure, software, commercial off the shelf (COTS) and open source packages and solutions, virtual and cloud including IaaS, PaaS and SaaS); infrastructure management tools and monitoring tools; solution sizing for hardware/software platforms; industry standard security requirements and designs.
Troubleshooting; installing and repairing PC hardware and software; advanced design, maintenance and repair of servers; applying creative solutions to business problems to ensure business needs are most effectively met; advanced information system configuration management
Ability to developing and writing technical documentation; evaluate and test emerging technologies.
Recognized as the most experienced and knowledgeable infrastructure engineer within the organization

Responsibilities

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
Performs the most complex duties of the technical infrastructure team
Leads architecture, design, analysis, implementation, and operations of infrastructure
Develops, recommends, and implements complex infrastructure solutions
Leads the planning, designing, and execution of testing
Ensures infrastructure scalability and security within the organization
Reviews plans to manage the frequency of support package/patch application
Applies highly developed specialized knowledge and skills in Infrastructure to define improvements for increased reliability and performance
Evaluates and tests emerging technologies
Provides guidance, coaching, and training to other employees within field of infrastructure engineering
Typically responsible for managing major/complex projects across the enterprise at this level, involving delegation of work and review of infrastructure engineering projects