Skip to content

AT&T International Careers My Job Application

Join a network that helps you succeed

At AT&T, our talents work together to make a difference. Think you’d like to help us connect more people than ever before? Check out our latest opportunities below, or browse for other recent postings.


Tech Specialist, Netwk Svcs Maintenance


Bangalore, India

Ref #:


Date published:

Apply now
Monitors the performance of the overall network and its elements, responds to and fixes troubles, and performs preventative and routine maintenance activities. Recommends systems improvements to overall network to maintenance impacts

Roles and Responsibilities:

• Minimum of 6 years’ experience in L3 network Support. Proven ability in learning and upgrading new technologies/technical skills.
• Solid understanding and experience in managing Data center LAN
• Must be able to demonstrate excellent troubleshooting and problem solving skills . Good communication skills
• Good understanding (Of L3 Level) of Switching & routing protocols, and products like : H3C Device, Alcatel Lucent DWDM, Checkpoint firewalls, F5 LoadBalacers, IPAM, Netscout Packet Capture and Flow Analyzer
• Management of onsite vendors - During implementation activity and day after support.
• Escalation point for network implementation issues - Telco, Cabling, and Managed Service Vendor
• Analyze/solve application -related problems - Use advanced network troubleshooting techniques required to analyze and solve application-related problems within large geographically dispersed networks as needed.
• Analyze/solve advanced Switching/routing problems - Apply advanced network troubleshooting techniques required to analyze and solve protocol routing problems within large geographically dispersed networks.
• Analyze/solve application -related problems - Use advanced network troubleshooting techniques required to analyze and solve application-related problems within large geographically dispersed networks as needed.
• Configure network switches/VLANs/VTP - Implement features of each communication type in a large network. Implement features of a Layer 2 switch. Implement features of routers and VLANs. Identify differences between end-to-end and local VLANs. Establish guidelines for creating and deleting a VLAN in global mode.
• Configure virtual LANS/ trunk protocols - Configure virtual LANS (VLANS) and VLAN trunk protocols in a switched network.
• ITIL V3 Foundation Certification is desired
• Utilizes good troubleshooting skills to quickly provide quality solutions for customer issues
• Provides timely updates to customers/team members
• Understands the criticality of cases and meets initial response time as defined in SLA.
• Analyzes performance against SLAs, proactively manages issues and ensures implementation of corrective action.
• Sets clear expectations and commitments during the investigative phase, through the resolution phase and follows through on commitments made

Operational Excellence
• ITSM Process Compliance & Keeping all relevant documents up-to-date.
• Individual responsible for day-to-day delivery and management including customer relationship and overall one shared delivery team.
• Supporting system implementations and integrations, systems analysis and diagnosis, trouble-shooting, performance analysis and resolution.
• Problem Management: Ensure that problem tickets are created and reviewed periodically on a proactive basis.
• Responsible for keeping the project SharePoint portal/file share up-to-date.
• Documents the problem/resolution to allow for future reference in Knowledge Database
• Change Management: Prepare the Implementation and fallback plan for the changes .Ensure that the changes are tested before actual implementation.
• Participate in regular delivery audits
• Document and maintain the standard operation procedures for the project.

• Responsible for helping to meet the cost of delivery targets as communicated to him by his Manager.
• Achieve in technical competency through continues improvement and automation for reduction in man efforts.
• Co-operates and works well with others in the pursuit of team/project goals and effective inter personal behavior.
• Responsible for maintaining high employee satisfaction and employee morale
• Effective Verbal and Written communication

Key Competencies and Skills:

Required Skills:

Network support specialist Level 3 with
2)Loadbalancer Cisco / F5
3)exposure to firewall (ASA /checkpoint / Fortinet ) is a must

CCNP certfication is mandatory

Desired Skills:
1) wifi
3)CCIE certification

Education and Qualifications:

Graduate or Diploma(10+3 or 10+2+3)

Additional Information:

Job Location-Electronic City
Should be flexible with 24*7 shifts