Skip to contentSkip to footer
  • Community
  • Jobs
  • Companies
  • Salaries
  • For employers
      Notifications

      Loading...

      Elevate your career

      Discover your earning potential, land dream jobs, and share work-life insights anonymously.

      employer cover photo
      employer logo
      employer logo

      AT&T

      Engaged employer

      About
      Reviews
      Pay and benefits
      Jobs
      Interviews
      Interviews
      Related searches: AT&T reviews | AT&T jobs | AT&T salaries | AT&T benefits | AT&T conversations
      AT&T interviewsAT&T Tier3 Escalation Support & Technical Trainer interviewsAT&T interview


      Glassdoor

      • About / Press
      • Awards
      • Blog
      • Research
      • Contact Us
      • Guides

      Employers

      • Free Employer Account
      • Employer Centre
      • Employers Blog

      Information

      • Help
      • Guidelines
      • Terms of Use
      • Privacy and Ad Choices
      • Do Not Sell Or Share My Information
      • Cookie Consent Tool
      • Security

      Work With Us

      • Advertisers
      • Careers
      Download the App

      • Browse by:
      • Companies
      • Jobs
      • Locations
      • Communities
      • Recent posts

      Copyright © 2008-2026. Glassdoor LLC. "Glassdoor," "Worklife Pro," "Bowls" and logo are proprietary trademarks of Glassdoor LLC.

      Company Bowl sample

      Want the inside scoop on your own company?

      Check out your Company Bowl for anonymous work chats.

      Bowls

      Get actionable career advice tailored to you by joining more bowls.

      Followed companies

      Stay ahead in opportunities and insider tips by following your dream companies.

      Job searches

      Get personalised job recommendations and updates by starting your searches.

      Tier3 Escalation Support & Technical Trainer Interview

      1 Oct 2015
      Anonymous employee
      Hyderābād
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied online. The process took 2 months. I interviewed at AT&T (Hyderābād) in Apr 2011

      Interview

      It's modest, If you have Decent skills in Level3 Troubleshooting Skills in Enterprise Infrastructure.. You may need to have hands on experience on HP, Dell, IBM - Servers, Blades, EMC, Netapp, 3PAR Storage..

      Interview questions [1]

      Question 1

      Performance issues on Servers, Network, Storage
      Answer question