Telecom Specialist II

Astreya China; Hyderabad; On-site; INR 3,200,000 - 5,200,000; Full time

Job summary

Astreya China in Hyderabad, India seeks a Corp Telephony Lead/SME/DC POTs L4+ to own enterprise voice infrastructure, POTS/copper, and SBC/SIP trunks. You will drive architecture strategy, supervise critical line deployments and manage carrier relationships to meet SLA.

The role requires 8+ years of hands-on experience with PSTN/POTS, analog wiring, SBCs, and telecom signaling; CCNP/CCIE or ACSE preferred; strong English communication and incident leadership in 24/7 operations.

Qualifications

• 8+ years of experience managing enterprise voice platforms and PSTN/POTS infrastructure.
• Bachelor’s degree in Electrical Engineering, Computer Science, Telecommunications, or equivalent.
• Certifications are preferred (e.g., CCNP/CCIE Collaboration, ACSE, ITIL v4).

Responsibilities

• Lead architectural standards for enterprise voice systems and legacy POTS.
• Direct design, installation, and lifecycle of analog circuits and POTS lines.
• Act as final escalation point for major outages in VoIP, SBCs, and PSTN infrastructure.
• Manage vendor and carrier relationships to ensure SLA adherence.
• Develop and audit SOPs and disaster recovery plans for telephony infrastructure.

Skills

Telephony & Protocol Expertise

Networking Fundamentals

Operations

Diagnostic Tools

Communication & Crisis Management

Education

Bachelor's degree in Electrical Engineering/Computer Science/Telecommunications

Tools

Wireshark

Butt sets

TDRs

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.