L3 Network Engineer | Mumbai

Tech Junction Ltd; Mumbai; In loco; INR 4.200.000 - 6.000.000; Tempo pieno

Descrizione del lavoro

The Wits Lab in Mumbai is seeking an experienced L3 Network Engineer with 8–10 years of professional experience to join our infrastructure team on-site. You will own core network routing, switching, firewall security, and data center operations, focusing on BGP/OSPF, multi-vendor hardware, and high availability.

The role requires hands-on design, troubleshooting, vendor coordination, and mentoring for junior engineers, with on-site work in Mumbai and open to permanent full-time employment.

Competenze

• Bachelor's degree in Computer Science, Information Technology, Telecommunications Engineering, or a related technical discipline.
• Minimum of 8 to 10 years of progressive professional experience in senior network engineering, L3 support, or data center infrastructure roles.
• Strong comprehensive mastery of TCP/IP, OSI model, Ethernet transport, NAT, and advanced IP addressing structures.
• Mandatory deep practical expertise in BGP routing protocols, OSPF, HSRP, and VRRP high-availability mechanisms.
• Proven hands-on configuration and administration experience across Cisco, Juniper, Fortinet, and Check Point platforms.
• Strong practical knowledge of enterprise firewalls, IPS/IDS, UTM, SD-WAN, VLANs, STP, SVI, LACP, GRE, and VPN clustering.

Mansioni

• Architect, configure, deploy, and maintain robust L3 enterprise network infrastructure, routing protocols, and data center fabrics.
• Design and manage dynamic routing architectures with mandatory BGP and OSPF, HSRP, VRRP, and advanced IP addressing schemes.
• Configure, administer, and troubleshoot multi-vendor networking and security hardware including Cisco, Juniper, Fortinet, and Check Point.
• Manage enterprise firewalls, intrusion prevention systems (IPS/IDS), UTM devices, SD-WAN fabrics, and firewall clustering.
• Oversee core switching and Layer-2/Layer-3 protocols including VLANs, STP, SVI, LACP, GRE, and secure VPN tunnels.
• Implement and monitor network management systems (NMS), SYSLOG logging, SNMP monitoring, and telemetry tools.
• Lead root-cause analysis (RCA), critical incident triage, and complex troubleshooting for high-availability enterprise environments.
• Coordinate directly with external vendors, carriers, and internal stakeholders to resolve infrastructure bottlenecks and service requests.

Conoscenze

TCP/IP mastery

OSI model

IP addressing

BGP routing

OSPF

HSRP/VRRP

VPN/SD-WAN

Firewall security

Formazione

Bachelor's degree in Computer Science or related field

Strumenti

Cisco

Juniper

Fortinet

Check Point

Descrizione del lavoro

Position Summary

We are actively seeking an experienced, high-caliber, and technical L3 Network Engineer with 8 to 10 years of professional experience to join our infrastructure team in Mumbai on a full-time permanent on-site basis. In this critical senior network engineering role, you will be responsible for designing, securing, troubleshooting, and maintaining complex enterprise network infrastructure and data center environments. You will leverage your deep specialist expertise in BGP, OSPF, advanced routing protocols, multi-vendor firewalls, and data center connectivity to deliver uncompromised uptime and network resilience. This opportunity offers competitive compensation, executive technical visibility, and exceptional career growth prospects within a premier technology enterprise.

Detailed Job Description

As an L3 Network Engineer supporting advanced enterprise infrastructure in Mumbai, you will take full operational, tactical, and technical ownership of core network routing, switching, firewall security, and data center operations. Your day-to-day responsibilities include architecting and optimizing BGP and OSPF routing frameworks, configuring multi-vendor enterprise hardware (Cisco, Juniper, Fortinet, Check Point), managing firewall clustering, VPNs, and SD-WAN deployments, and executing high-level troubleshooting and vendor coordination. You will utilize your proactive, hands-on engineering skills to resolve critical network incidents, implement security policies, and mentor junior engineers. Furthermore, you will manage application requirements via direct email to [e-mail], ensuring strict compliance with 8-10 years of senior network engineering experience standards.

Key Responsibilities

• Architect, configure, deploy, and maintain robust L3 enterprise network infrastructure, routing protocols, and data center fabrics.
• Design and manage dynamic routing architectures with mandatory BGP and OSPF, HSRP, VRRP, and advanced IP addressing schemes.
• Configure, administer, and troubleshoot multi-vendor networking and security hardware including Cisco, Juniper, Fortinet, and Check Point.
• Manage enterprise firewalls, intrusion prevention systems (IPS/IDS), UTM devices, SD-WAN fabrics, and firewall clustering.
• Oversee core switching and Layer-2/Layer-3 protocols including VLANs, STP, SVI, LACP, GRE, and secure VPN tunnels.
• Implement and monitor network management systems (NMS), SYSLOG logging, SNMP monitoring, and telemetry tools.
• Lead root-cause analysis (RCA), critical incident triage, and complex troubleshooting for high-availability enterprise environments.
• Coordinate directly with external vendors, carriers, and internal stakeholders to resolve infrastructure bottlenecks and service requests.

Required Qualifications & Skills

• Bachelor’s degree in Computer Science, Information Technology, Telecommunications Engineering, or a related technical discipline.
• Minimum of 8 to 10 years of progressive professional experience in senior network engineering, L3 support, or data center infrastructure roles.
• Strong comprehensive mastery of TCP/IP, OSI model, Ethernet transport, NAT, and advanced IP addressing structures.
• Mandatory deep practical expertise in BGP routing protocols, OSPF, HSRP, and VRRP high-availability mechanisms.
• Proven hands-on configuration and administration experience across Cisco, Juniper, Fortinet, and Check Point platforms.
• Strong practical knowledge of enterprise firewalls, IPS/IDS, UTM, SD-WAN, VLANs, STP, SVI, LACP, GRE, and VPN clustering.
• Excellent written and verbal English communication skills with strong customer and vendor coordination capabilities.
• Mandatory legal work eligibility in India with local residency and availability for on-site operations in Mumbai.

Nice-to-Have Skills

• Professional expert-level industry certifications (e.g., CCIE, CCNP Enterprise, JNCIP/JNCIE, NSE 7/8).
• Experience with network automation scripting in Python, Ansible, or Netmiko for configuration management.
• Prior professional working experience in large telecommunications carriers, managed service providers (MSPs), or mission-critical enterprise data centers.
• Familiarity with cloud networking architectures (AWS VPC, Azure VNet, GCP hybrid interconnects).

Application Information

• Salary/Rate: Market Competitive / Senior Enterprise Package
• Deadline: Open until filled (Urgent Mumbai On-Site Opening)
• Notice Period: Immediate to 30 Days
• Contract Duration: Permanent / Full-Time On-Site (Mumbai, India)
• Company Website: https://www.thewitslab.com

Recruitment Pro Tip

• When applying for this L3 Network Engineer position, ensure your resume explicitly highlights your hands-on BGP routing mastery, multi-vendor firewall expertise (Cisco, Juniper, Fortinet, Check Point), and data center networking track record.