Connecting the Community Through Technology

Providing technical solutions and keeping data secure for the city of Addison, the Information Technology team works behind the scenes to ensure and enhance our community's diverse services.

Hamid Khaleghipour

IT Director

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Hamid Khaleghipour

IT Director

Phone: 972.450.2868

Contact Hamid

Zeis Djaja-Chen

Network Specialist

Phone: 972.450.2855

Contact Zeis

Sheryl Donihoo

Network Specialist

Phone: 972.450.2853

Contact Sheryl

Chad Hancock

Network Specialist

Phone: 972.450.2856

Contact Chad

Randy S King

Network Specialist

Phone: 972-450-7105

Contact Randy

Ronnie J Lee

Network Specialist

Phone: 972-450-2854

Contact Ronnie

Nam Pham

Network Specialist

Phone: 972-450-2857

Contact Nam

Our cutting-edge tools and solutions advance Addison’s mission of public service by engineering and supporting critical technical initiatives throughout the city. The Information Technology department focuses on providing easy access to secure, reliable, and timely data, and we’re committed to retaining quality staff and investigating new technologies. In addition, our team avidly collaborates with other departments to create and deliver effective, problem-solving strategies. 


Number of service calls in 2013

2.46 million

Website page views in 2014


Downtime occurrences in the past six years

In addition to managing Addison’s fast Ethernet network and Public Safety computer systems, the team monitors and directs the growth and performance of both hardware and software; coordinates with departments concerning information services; compiles data for long- and short-term projects as requested by departments; consults with departments regarding computer purchases; evaluates, recommends and implements emerging technology; and provides training and technical assistance on software applications. The Information Technology department is also tasked with developing and implementing guidelines for the following:

  • Hardware & Software Standardization
  • Antivirus, Spam, Spyware, and “Phishy” Prevention & Detection
  • Compliance
  • Network Security & Management
  • Software Licenses
  • Education & Training
  • Hardware & Software Registration
  • Internet & Email Access
  • Firewall Configuration
  • Backup Procedures
  • Disaster Recovery Planning

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