L2 Network Engineer – 24×7 NOC Operations | Sify Technologies Limited | Chennai – Tidel

Sify Technologies Limited; Chennai; On-site; INR 900,000 - 1,200,000; Full time

Job summary

Sify Technologies Limited in Chennai is seeking an experienced L2 Network Engineer to own 24x7 NOC incident resolution, routing maintenance, and cross-functional coordination. You will handle L2 troubleshooting across enterprise routing/switching, multicast configuration, and DR/failover testing, ensuring high availability.

The role requires 3–7 years of enterprise networking experience, BGP/OSPF/MPLS expertise, and on-site availability in Chennai.

Qualifications

• Bachelor’s degree in CS/IT/Telecom or related field.
• 3–7 years in enterprise networking and 24x7 NOC.
• Hands-on BGP, OSPF, MPLS and multicast experience.
• Ability to work on-site in Chennai, 24x7 operations.

Responsibilities

• Provide L2-level troubleshooting, incident diagnosis and rapid resolution across enterprise networks.
• Configure and optimize BGP, OSPF, and static routing configurations.
• Manage multicast technologies with PIM and IGMP across transit networks.
• Maintain switching infrastructures including VLANs, STP, and port channels.
• Support MPLS core networks and L3VPN environments.
• Perform deep packet captures, log analysis for traffic troubleshooting.
• Drive incident management, RCA, and SLA compliance for outages.
• Coordinate with internal teams, vendors, and service providers.
• Execute change management and DR/failover testing.

Skills

L2 troubleshooting

BGP

OSPF

MPLS

PIM/IGMP

ITIL

English

On-site

Education

Bachelor’s degree in CS/IT/Telecom

Tools

Wireshark

Network monitoring tools

Job description

Position Summary

Sify Technologies Limited is actively seeking an experienced, high-caliber, and technical L2 Network Engineer with 3-7 years of progressive professional experience in enterprise networking and 24×7 Network Operations Center (NOC) environments to join our infrastructure team on a full-time permanent on-site basis in Chennai - Tidel. In this critical technical operations role, you will be responsible for monitoring mission-critical network infrastructure, troubleshooting complex L2-level network anomalies, and managing incident resolutions across complex routing, switching, and MPLS environments. You will leverage your deep specialist expertise in BGP, OSPF, PIM/IGMP multicast, MPLS L3VPNs, and packet capture log analysis to deliver uncompromised network uptime, resilience, and operational excellence. This opportunity offers competitive compensation, executive technical visibility, and exceptional career growth prospects within a premier digital services, telecommunications, and cloud infrastructure enterprise.

Detailed Job Description

As an L2 Network Engineer supporting Sify Technologies Limited in Chennai - Tidel, you will take full operational, tactical, and technical ownership of 24×7 NOC incident resolution, routing protocol maintenance, and cross-functional vendor coordination. Your day-to-day responsibilities include performing L2-level network troubleshooting and incident resolution across enterprise routing and switching fabrics, administering BGP, OSPF, and static routing, configuring multicast technologies (PIM, IGMP), managing VLANs, STP, and port channels, supporting MPLS and L3VPN environments, conducting packet captures and log analysis for traffic flow troubleshooting, ensuring strict SLA compliance and root cause analysis (RCA), coordinating with engineering squads and telecom carriers, and executing change management and DR/failover testing. You will utilize your proactive troubleshooting and analytical problem-solving skills to resolve complex network bottlenecks under strict 24×7 mission‑critical service level agreements. Furthermore, you will manage application requirements by submitting your updated resume via direct email to Priyanka Irudayaraj at [e-mail] with the specified subject line and screening details (Total Experience, Current CTC, Expected CTC, Notice Period, Current Location, and Preferred Location), ensuring strict compliance with the Chennai Tidel on‑site and 24×7 NOC requirements [cite: user].

Key Responsibilities

• Provide expert L2-level network troubleshooting, incident diagnosis, and rapid resolution across enterprise production networks.
• Administer, configure, and optimize dynamic routing protocols including BGP, OSPF, and static routing configurations.
• Manage complex multicast technologies and protocols including PIM and IGMP across transit networks.
• Maintain switching infrastructures covering VLANs, Spanning Tree Protocol (STP), and resilient port channel aggregations.
• Support and troubleshoot MPLS core networks and multi-protocol L3VPN environments.
• Execute deep packet captures, log analysis, and advanced traffic flow troubleshooting to isolate intermittent network faults.
• Drive incident management protocols, root cause analysis (RCA), and strict SLA compliance for all network outages.
• Coordinate seamlessly with internal engineering teams, external hardware vendors, and telecommunications service providers.
• Perform routine network monitoring, change management execution, and disaster recovery (DR) failover testing.

Required Qualifications & Skills

• Bachelor’s degree in Computer Science, Telecommunications Engineering, Information Technology, or a related technical discipline.
• Minimum of 3 to 7 years of progressive professional experience in enterprise networking and 24×7 NOC operations.
• Strong, demonstrable hands‑on professional expertise in L2-level network troubleshooting and fault isolation.
• Deep practical proficiency in routing protocols (BGP, OSPF), switching, and L3VPN/MPLS network architectures.
• Solid practical experience with multicast technologies (PIM, IGMP) and packet capture analysis tools (Wireshark).
• Comprehensive working knowledge of ITIL service management frameworks for incident, problem, and change management.
• Exceptional analytical, troubleshooting, debugging, and problem‑solving capabilities under high‑pressure 24×7 conditions.
• Excellent written and verbal English communication skills with strong cross‑functional stakeholder collaboration abilities.
• Mandatory legal work eligibility and physical availability for 24×7 on‑site operations in Chennai - Tidel.

Nice‑to‑Have Skills

• Professional networking certifications such as Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP).
• Prior professional working experience in tier‑1 telecom operators, Internet service providers, or managed network service providers.
• Hands‑on familiarity with network automation scripting languages (Python, Ansible) and enterprise monitoring platforms.
• Advanced understanding of data center fabric architectures and software‑defined networking (SDN) concepts.

Application Information

• Recruiter: Sify Technologies Limited Talent Acquisition Division [cite: user]
• Contact Name: Priyanka Irudayaraj (Senior Talent Acquisition Specialist) [cite: user]
• Email: `[e-mail]` [cite: user]
• Phone:
• Company Website: https://www.sifycorp.com
• Salary/Rate: Market Competitive / Enterprise Telecommunications Package
• Deadline: Open until filled (Urgent Chennai Tidel 24×7 NOC Opening) [cite: user]
• Notice Period: As specified in application screening details [cite: user]
• Contract Duration: Permanent / Full‑Time On‑Site Engagement (Chennai - Tidel, India) [cite: user]

Recruitment Pro Tip

When applying for this L2 Network Engineer position at Sify Technologies, ensure your email body explicitly includes all required screening details (CTC, notice period, locations) and highlights your BGP, OSPF, and MPLS hands‑on troubleshooting portfolio.