Network Engineer L2 (Cisco, Routing, Switching & Security) | Altraize | Chennai

Altraize; Chennai; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Altraize in Chennai is seeking a Network Engineer L2 for a full-time, on-site role. You will own enterprise LAN/WAN infrastructure, monitor performance, and drive rapid incident resolution, with strong Cisco routing/switching skills and ITIL-aligned processes.

Ideal candidates have 4–6 years in network engineering, solid understanding of TCP/IP, VPN, DNS/DHCP, and firewall administration. On-site collaboration with cross-functional teams is essential.

Qualifications

• Bachelor’s in CS/IT/Telecom or related technical field.
• 4–6 years of progressive network engineering and IT operations experience.
• Strong knowledge of TCP/IP, LAN/WAN, VLAN, VPN, DNS, and DHCP.
• Cisco routing and switching configuration and maintenance.
• Experience with OSPF, BGP, and EIGRP routing protocols.
• Firewall administration and security policy implementation.
• ITIL-aligned incident, change, and service request handling.
• Excellent problem-solving and stakeholder communication.

Responsibilities

• Own enterprise LAN/WAN infrastructure, monitoring, and incident resolution.
• Configure and maintain Cisco routers/switches and core networking gear.
• Implement OSPF/BGP/EIGRP and resolve routing issues.
• Administer firewalls, VPNs, and network security tools.
• Handle incidents, service requests, and change tickets per SLAs.
• Collaborate with IT support, sysadmins, and infra managers.
• Maintain network diagrams, backups, runbooks, and audit logs.

Skills

TCP/IP

LAN

WAN

VLAN

VPN

DNS

DHCP

Cisco routing

Cisco switching

OSPF

BGP

EIGRP

Firewall admin

Network troubleshooting

ITIL

On-site operations

Education

Bachelor's degree in CS/IT/Telecom

Tools

SolarWinds

Wireshark

Python scripting

Jira

ServiceNow

Remedy

Job description

Position Summary:

Driving advanced enterprise network operations, infrastructure monitoring, and rapid incident resolution in Chennai, Altraize is actively seeking a skilled and motivated Network Engineer L2 for a permanent full-time professional engagement. In this vital technical operations role, you will take full operational, tactical, and technical ownership of enterprise LAN/WAN infrastructure, Cisco routing and switching configuration, firewall management, and incident/change request workflows. Bringing 4 to 6 years of progressive professional experience in network engineering and IT operations, you will empower an elite technology and digital services enterprise to achieve uncompromised network availability, secure data transit, and superior uptime performance. This prestigious career opportunity offers competitive remuneration, high-visibility enterprise exposure, and professional growth within a leading global technical recruitment and IT consulting enterprise.

Detailed Job Description:

As a Network Engineer L2 supporting Altraize on an on-site professional basis in Chennai, you will take full operational, tactical, and technical ownership of enterprise network infrastructure maintenance, performance monitoring, troubleshooting, and cross-functional engineering collaboration. Your day-to-day responsibilities include managing, monitoring, and troubleshooting complex enterprise network infrastructures to ensure smooth operations and timely incident resolution, applying strong knowledge of TCP/IP, LAN, WAN, VLAN, VPN, DNS, and DHCP architectures, configuring and maintaining Cisco routers and switches, implementing and troubleshooting routing protocols such as OSPF, BGP, and EIGRP, executing network troubleshooting and incident management protocols, administering firewalls, network security appliances, and monitoring tools, handling network incidents, service requests, and change requests in accordance with ITIL standards, and interacting directly with talent acquisition specialists like Jayalakshmi Gowda.

Key Responsibilities:

• Manage, monitor, and troubleshoot enterprise-grade network infrastructure, local area networks (LAN), and wide area networks (WAN).
• Ensure smooth, uninterrupted network operations and achieve rapid incident resolution for all network-related trouble tickets.
• Configure, maintain, and administer Cisco enterprise routers, switches, and core networking hardware.
• Implement, optimize, and troubleshoot core routing protocols including OSPF, BGP, and EIGRP.
• Administer firewalls, network security policies, Virtual Private Networks (VPN), and real-time network monitoring tools.
• Handle end-to-end network incidents, service requests, change requests, and escalation tickets within established SLAs.
• Collaborate proactively with cross-functional IT support squads, system administrators, and infrastructure managers.
• Maintain meticulous network diagrams, configuration backups, incident logs, change management runbooks, and audit documentation.

Required Qualifications & Skills:

• Bachelor’s degree in Computer Science, Information Technology, Telecommunications Engineering, or related technical discipline.
• Minimum of 4 to 6 years of progressive professional hands-on experience in network engineering, operations, and L2 support.
• Strong, demonstrable operational knowledge of foundational networking protocols: TCP/IP, LAN, WAN, VLAN, VPN, DNS, and DHCP.
• Comprehensive working knowledge and practical proficiency in Cisco routing and switching hardware configuration and maintenance.
• Deep practical experience with dynamic routing protocols including Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), and Enhanced Interior Gateway Routing Protocol (EIGRP).
• Solid practical grasp of network troubleshooting methodologies, incident management frameworks, and security firewall administration.
• Exceptional analytical problem-solving aptitude, root-cause diagnostic capabilities, and professional stakeholder communication skills.
• Mandatory legal work authorization and physical availability for professional on-site operations in Chennai.

Nice-to-Have Skills:

• Professional Cisco networking certifications such as Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP).
• Prior professional working experience supporting Tier-1 enterprise networks, managed service providers, or multinational IT environments.
• Hands-on familiarity with advanced network monitoring and automation tools (SolarWinds, Wireshark, Python scripting).
• Experience utilizing enterprise service desk and ticketing platforms (Jira, ServiceNow, Remedy).
• Active participation in network engineering user groups, Cisco developer communities, or IT infrastructure forums.

Application Information:

• Recruiter: Altraize Recruitment Division
• Contact Name: Jayalakshmi Gowda (Technical Recruiter)
• Email: [e-mail]
• Phone: [phone]
• Application URL: https://lnkd.in/gUqzXkt
• Company Website: https://www.altraize.com
• Salary/Rate: Market Competitive / Enterprise Network Engineering Package
• Work Schedule: On-Site Professional Operations (Chennai)
• Deadline: Open until filled (Urgent Chennai Network Engineer L2 Opening)
• Notice Period: Immediate to 15 Days Preferred
• Contract Duration: Permanent / Full-Time Employment (Chennai)

Recruitment Pro Tip:

When applying for this Network Engineer L2 position through Altraize, ensure your resume explicitly highlights your Cisco routing/switching tenure, OSPF/BGP experience, and active CCNA/CCNP certifications.