About Us

Brannen Mehaffey – Chief Executive Officer
As founder and CEO of Zero Down Time Networks since 2001, Brannen Mehaffey embodies relentless focus on customer service within the technology services sector. Under his ownership and management, they has grown into a preferred and highly sought out provider of managed IT services throughout Texas, servicing Austin, Dallas, Fort Worth, Houston and San Antonio. Mehaffey’s early tenure was at Cisco Systems as Director of Helpdesk Services (Austin)

Melissa King – Director of Business Development
Has over 10 years of operations management experience and 9 years of sales, marketing, and customer relations experience, Melissa King is responsible for development and execution of comprehensive product strategies and the technology service platforms based on them. 

Current Industry Certifications

  • MCSA – Microsoft Certified Systems Administrator
  • MCDBA – Microsoft Certified Database Administrator
  • MCSE – NT 4.0 – Microsoft Certified Systems Engineer
  • MCSE – Windows 2000, 2003, 2008 – Microsoft Certified Systems Engineer
  • MCP – Microsoft Certified Professional
  • MOUS – Microsoft Office User Specialist
  • MOS – Microsoft Office Specialist


  • CCDP – Cisco Certified Design Professional
  • CCNP – Cisco Certified Network Professional
  • CCSP – Cisco Certified Security Professional
  • CCDA – Cisco Certified Design Associate
  • CCNA – Cisco Certified Network Associate
  • CCIE – Routing and Switching – Cisco Certified Internetworking Expert
  • CCIE – Security – Cisco Certified Internetworking Expert


  • SCSA – Solaris Certified System Administrator
  • SCNA – Solaris Certified Network Administrator

Red Hat

  • RHCE – Red Hat Certified Engineer
  • RHCT – Red Hat Certified Technician


  • CompTIA A+ certified
  • CompTIA Network, Security, Linux+ certified


  • DCSE – Dell Certified System Engineer


  • PMP – Project Management Professional from Project Management Institute


  • CNE – Certified Novell Engineer


  • CCA – Citrix Certified Administrator


  • Certified Ethical Hacker for EC-Council