Telecom Specialist II

Astreya Consultancy India Private Ltd; Hyderabad; On-site; INR 4,200,000 - 6,200,000; Full time

Job summary

Astreya Consultancy India Private Ltd in Hyderabad seeks a Corp‑Telephony Lead/SME/DC POTS (L4+) to drive architectural strategy for enterprise voice and legacy POTS systems. You will oversee critical line deployments, incident escalation, and carrier relationships to ensure high availability and strict SLA adherence.

Lead the design, installation, and lifecycle of analog circuits, POTS lines, and emergency circuits while guiding cross-functional teams through complex outages and modernization

Qualifications

• Extensive experience with enterprise voice systems and PSTN/POTS.
• Strong knowledge of telephony protocols and circuit design.
• Experience in critical incident coordination and vendor relations.

Responsibilities

• Lead architectural standards for enterprise voice and POTS platforms.
• Direct design, installation, and lifecycle of analog circuits and copper lines.
• Escalate and resolve Tier-4 outages across VoIP, SBCs, and PSTN.
• Manage carrier relationships and ensure strict SLA adherence.
• Develop governance docs, DR plans, and SOPs for telephony.

Skills

Telephony & Protocols

Networking Fundamentals

Incident Management

Diagnostic Tools

Clear Communication

Education

Bachelor’s degree in Electrical Eng., CS, or Telecom

Tools

Wireshark

SIP Traces

Butt Sets

Job description

Corp‑Telephony Lead/SME/DC POTS (L4) – Corporate Telecommunications

Lead (8+ years) 24/7 Operations

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.

Astreyans bring deep expertise, curiosity, and a commitment to excellence. We partner with the world’s most innovative organizations to optimize modern IT environments across the digital workplace, cloud, data, AI, and enterprise platforms. Our people are our strength. Across regions and roles, Astreyans bring deep expertise, curiosity, and a commitment to excellence. We believe great technology starts with great humans, which is why we invest in learning, collaboration, and career growth. At Astreya, transparency, accountability, and trust guide how we work with each other and our customers. We foster an inclusive culture where diverse perspectives are valued and everyone has the opportunity to make an impact. Join us to build solutions that matter and shape the future of IT together. Onwards and upwards!