IT Infrastructure Engineer II / III / Senior

Arizona Public Service - APS; Phoenix (AZ); On-site; USD 90,000 - 130,000; Full time

Job summary

A leading utility company is seeking a Communications Desk Infrastructure Engineer to ensure the reliability and modernization of communication systems. This role includes maintaining and troubleshooting infrastructure, integrating new technologies, and analyzing network performance. The ideal candidate will have a Bachelor's degree in Information Technology and extensive experience in telecommunications. Strong mentoring skills and the ability to work in a 24/7 environment are essential for this position.

Qualifications

• Experience in telecommunications or RF systems.
• Ability to interpret schematics and troubleshoot to component level.
• Knowledge of TCP/IP, network design, and network security.

Responsibilities

• Maintain and troubleshoot communication infrastructure.
• Integrate and test new technologies.
• Analyze network performance and resolve issues.
• Collaborate with vendors, contractors, and internal teams across assigned areas.
• Mentor junior staff and serve as SME for equipment within the Comm Desk environment.
• Support 24/7 operations, including after-hours response for critical systems.

Skills

Telecommunications experience

RF systems knowledge

TCP/IP networking

Collaboration

Mentoring junior staff

Team leadership

24/7 support

Schematic interpretation

Education

Bachelor's degree in Information Technology

Technical degree in telecommunications or data communications

Tools

MPLS

Ethernet over microwave

Job description

Communications Desk Infrastructure Engineer II / III / Senior

The Communications Desk Infrastructure Engineer helps ensure the reliability, safety, and modernization of the communication systems that keep APS operations and public safety connected. By supporting both legacy and next‑generation RF, microwave, and IP‑based networks, this role directly contributes to service continuity for field crews and emergency responders. Their work strengthens APS’s ability to deliver safe, dependable energy to customers and communities across Arizona.

What Your Day Would Be Like

• Maintain, configure, and troubleshoot communication infrastructure that supports APS’s operational and public safety systems.
• Integrate and test new technologies, ensuring smooth transitions from legacy platforms to next‑generation networks.
• Analyze network and RF system performance to resolve issues and optimize reliability.
• Partner with vendors, contractors, and internal teams to coordinate work across assigned areas of responsibility.
• Mentor junior staff, sharing technical knowledge and serving as a subject‑matter expert for equipment and systems within the Comm Desk environment.
• Support 24/7 operational needs, including after‑hours response to ensure critical systems remain available.

Who We’re Looking For

• Experience in telecommunications, data communications, RF systems, or related infrastructure technologies.
• Ability to interpret schematics, troubleshoot to the component level, and understand both basic electronics and electrical power systems.
• Knowledge of TCP/IP networking, network design principles, network security, propagation, and point‑to‑point radio operations.
• Familiarity with MPLS or similar network convergence technologies, and the ability to support transitions from legacy communications to next‑generation platforms.
• Understanding of FCC regulations and microwave path licensing requirements.
• Strong collaboration, vendor‑oversight, and leadership skills, including mentoring junior team members.
• Comfortable working in a 24/7 support environment and contributing to critical operational and public‑safety communications.

Communications Desk 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.
• Requires in-depth level of technical knowledge within a job area and working knowledge of other technical areas

Communications Desk 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.
• Requires in-depth level of technical knowledge within a job area and working knowledge of other technical areas

Communications Desk 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.
• Requires in-depth level of technical knowledge within a job area and working knowledge of other technical areas

Preferred Special Skills, Knowledge Or Qualifications

Technical degree in telecommunication, data communications or equivalent.

• Ability to interpret schematic diagrams and troubleshoot to component level.
• Knowledge to transition to legacy communication to Next Generation Network and Radion equipment.
• Specific knowledge of TCP/IP, network design, network security, propagation, and point to point radio operation using ethernet over microwave.
• Knowledge of building IP networks using MPLS or other network convergence technologies.
• Familiarity with FCC regulations and standards for licensing microwave paths.
• Understand basic electronics, electrical power systems, the basics of the 7 layers of the OSI model and in‑depth knowledge and experience in RF.
• Ability to coordinate and provide direct oversight to Vendor and 3rd part support and other activities within their area of responsibility (AOR).
• Ability to train and mentor junior level staff and perform as SME of all equipment that resides within their AOR.
• Ability to work 24/7 in support of Enterprise Network systems and Public Safety Communication Systems, including nights, weekends and holidays.