Telecom Specialist II

Astreya; Hyderabad; On-site; INR 3,600,000 - 5,400,000; Full time

Job summary

Astreya is seeking an experienced Corp Telephony Lead/SME for 8+ years of enterprise voice expertise in Hyderabad, India. The role oversees PSTN/POTS, SBCs, and life-safety circuits, driving architecture standards and critical incident resolutions.

You will manage carrier relationships, SLA adherence, and provide governance with SOPs and DR planning, ensuring system availability across the organization.

Qualifications

• 8+ years with enterprise voice platforms and POTS/analog systems.
• Experience with PSTN, SIP, SBCs, and carrier circuits.
• Strong English communication for crisis management.
• Bachelor's degree in Electrical/Telecom or related field.

Responsibilities

• Lead enterprise voice architecture and modernization.
• Oversee POTS line design, deployment, and maintenance.
• Escalation handling for critical outages (Tier-4).
• Manage carrier relationships and SLAs.
• Develop SOPs and DR plans.

Skills

Telephony POTS

PSTN/POTS

SIP/SBC

Networking basics

Incident management

Crisis comms

Vendor management

Education

Bachelor’s degree (EE/CS/Telecom)

Tools

Wireshark

ServiceNow

Jira

Job description

Corp-Telephony Lead/SME/DC POTs (L4)

Corporate Telecommunications Lead (8+ years) 24/7 Operations

Role Overview

The Corp Telephony Lead, SME, and DC POTS L4+ Expert serves as the ultimate escalation point and authority for enterprise voice, PSTN/analog copper connectivity (POTS), and unified communications. This role is responsible for driving architecture strategy, overseeing critical line deployments (e.g., life-safety, out-of-band management, emergency circuits), leading advanced Tier-4 escalation resolutions, and managing carrier relationships to ensure system availability and strict SLA adherence.

Key Responsibilities

• Platform Leadership & SME Management: Act as the technical SME for enterprise voice systems and physical infrastructure, leading architectural standards, system integrations, and modernization paths for legacy PSTN/POTS systems.
• POTS & Infrastructure: Direct the design, installation, and lifecycle of analog circuits, copper infrastructure, POTS lines, Out-of-Band (OOB) modem access, fire/safety alarm panels, and emergency lines.
• L4+ Tier Incident Escalation: Serve as the final technical escalation level for critical, complex outages across enterprise VoIP platforms, Session Border Controllers (SBCs), SIP trunks, and physical POTS infrastructure failures.
• Vendor & Carrier Management: Oversee technical relationships with regional and global telecom carriers, enforcing strict SLAs for circuit deliveries, repairs, and legacy PSTN line migrations.
• Documentation & Governance: Develop, publish, and audit enterprise telephony architecture guides, disaster recovery plans, POTS line inventories, and Standard Operating Procedures (SOPs).

Required Skills & Qualifications

• Telephony & Protocol Expertise: In-depth knowledge of analog POTS hardware/wiring (RJ11/RJ21, punch-down blocks, 66/110 blocks), FXS/FXO gateways, SIP signaling, RTP/SRTP, Session Border Controllers (SBCs), and PSTN signaling.
• Networking Fundamentals: Comprehensive understanding of enterprise network architecture, OSI model, TCP/IP, DNS, DHCP, VPNs, VLANs, and firewall policies for real-time voice media.
• Operations: Demonstrated experience managing voice and analog communications infrastructure within critical environments, including out-of-band (OOB) serial access networks.
• Diagnostic Tools: Advanced mastery of packet analyzers (e.g., Wireshark SIP traces), analog line testing equipment (butt sets, TDRs, voltmeters), and ITSM systems like ServiceNow or Jira.
• Communication & Crisis Management: Clear written and verbal English communication for guiding bridge calls, leading incident response during major outages, and managing vendor relationships.
• Education: Bachelor's degree in Electrical Engineering, Computer Science, Telecommunications, or equivalent work experience.
• Experience: 8+ years of experience managing enterprise voice platforms, carrier circuits, infrastructure, and legacy POTS/analog telephone systems.
• Certifications (Preferred): Cisco CCNP/CCIE Collaboration, Avaya Certified Solutions Expert (ACSE), BICSI Telecommunications/ Certifications, or ITIL v4.

Physical Demand & Work Environment

• Must have the ability to perform office-related tasks, which may include prolonged sitting or standing.
• Must have the ability to move from place to place within an office and environment.
• Must be able to use a computer.
• Must have the ability to communicate effectively.
• Some positions may require occasional repetitive motion or movements of the wrists, hands, and/or fingers.