Sr Associate Network Technology Support -- TDM Tier2 Support
Bengaluru, India
Overall Purpose: Ensure the reliability and continuous operation of AT&T’s TDM, Optical, IP Core, Mobility, and advanced communication technologies through 24x7 technical support, fault and lifecycle management, and comprehensive understanding of end-to-end services.
Key Roles and Responsibilities: Typical tasks may include, but are not limited to, the following:
• Troubleshooting and Issue Resolution: Diagnose network problems, provide technical support, manage incidents, coordinate root cause analysis, restore service, and solve Tier 2 issues.
• Network Monitoring and Maintenance: Monitor network performance, perform routine maintenance, optimize operations, and proactively maintain system configurations using alarm and KPI monitoring.
• Configuration and Deployment: Configure network devices, deploy network solutions, manage configurations, and implement vendor/IT fixes or design changes.
• Collaboration and Coordination: Work with teams, coordinate with vendors, support projects, collaborate with business partners in DevOps, and interact with customers.
• Documentation and Reporting: Maintain documentation, create technical and process documentation, review and interpret technical and vendor specifications, and generate reports.
Job Contribution: An entry-level professional with foundational knowledge, applying company policies to routine issues. Follows standard procedures to analyze data and perform transactional work. Contributes to project fulfillment and organizational objectives, influencing productivity and expenditures. Works under regular supervision with visibility primarily within the department or region.
Supervisor: No
More details about the Job role:
Job Title
Senior Associate - Network Technology Support
(Tier 2 Support Engineer – TDM & IP Network Infrastructure (24x7 Operations))
Experience; minimum of 3–5 years of experience supporting telecom infrastructure with hands-on IP network support/configuration.
Job Summary
The Tier 2 Support Engineer provides 24x7 operational support for TDM infrastructure and associated IP networks. The role monitors alarms, troubleshoots service-impacting issues, and drives incident/ticket resolution by coordinating with cross-functional teams and field technicians. The engineer also supports/configures IP network components as needed, handles critical incidents with timely updates, maintains documentation, and contributes to team knowledge sharing. Basic Linux and coding/scripting skills are an added advantage, with opportunities to support internal portal development and Linux-based initiatives.
Key Responsibilities
Monitor alarms and dashboards; perform event triage and initiate troubleshooting in a 24x7 environment.
Provide Tier 2 support for TDM infrastructure and IP network connectivity supporting telecom services.
Perform fault isolation across layers (device, link, service) and drive service restoration.
Manage the end-to-end ticket lifecycle: ownership, prioritization, documentation, escalation/dispatch coordination, validation, and closure.
Coordinate with Tier 3/engineering, transport teams, vendors, and field technicians for resolution and follow-up actions.
Lead/participate in critical incident bridges; provide regular status updates, ETAs, and clear restoration communications.
Produce and maintain documentation (SOPs, runbooks, troubleshooting guides) and ensure accurate shift handovers.
Collaborate with team members, share knowledge, and contribute to continuous improvement initiatives.
Support Linux-based platforms and contribute to internal tools/portal development (as assigned).
Required Skills & Technical Knowledge
IP Networks (Support & Configuration)
Experience supporting and configuring IP networks in an enterprise or carrier environment.
Strong knowledge of IP addressing/subnetting (IPv4)
Routing and switching concepts: VLANs/trunking, STP basics, static routing and exposure to dynamic routing (e.g., OSPF/BGP concepts).
Practical troubleshooting: ping/traceroute, ARP/MAC tables, interface errors, routing table checks, basic packet-flow analysis.
Telecom / TDM
Strong understanding of TDM concepts and operational troubleshooting.
Experience with multiplexers and TDM transport fundamentals.
Working knowledge of telecom switches such as DMS, 5ESS, C20 (or similar platforms).
Operations
Familiarity with alarm monitoring tools, ticketing systems, and incident management.
Strong written/verbal communication and documentation skills.
Ability to work in a 24x7 rotational shift environment and during high-severity outages.
Preferred / Added Advantage
Linux fundamentals: CLI usage, logs, services/process checks, network commands.
Coding/scripting: Python/NodeJS/Bash/PowerShell/JavaScript for automation, reporting, or portal enhancements.
Experience with dashboards/monitoring tools and operational automation.
ITIL knowledge (Incident/Problem/Change) is a plus.
Education (Typical)
Bachelor’s in Telecommunications/Engineering/CS/IT (or equivalent practical experience).
Weekly Hours:
40Time Type:
RegularLocation:
Bangalore, IndiaIt is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
Job ID R-101315 Date posted 02/19/2026
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
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