IP Core Senior Engineer -GSD

Ericsson · Greater Kolkata Area

  • Experience5–7 yrs
  • SalaryNot disclosed
  • Work modeonsite
  • Levelsenior
  • Posted17 Sept 2026

About Ericsson

Ericsson is hiring in Greater Kolkata Area in telecom. This role looks for around 5+ years of experience.

Skills

  • IP/MPLS networks
  • Cisco
  • Huawei
  • Juniper
  • Arbor
  • Check Point
  • FortiGate
  • ZTE
  • 2G
  • 3G
  • 4G
  • 5G
  • multi-vendor migration
  • OSPF
  • IS-IS
  • BGP
  • MPLS
  • Segment Routing
  • Layer 3 VPN
  • Layer 2 VPN
  • EVPN
  • QoS
  • Traffic Engineering
  • firewalls
  • DDoS
  • DNS
  • DPI
  • load balancers
  • ISP network technologies
  • CDN
  • IX
  • network optimization
  • Layer 2 networking
  • managed service telecom operations
  • network automation
  • Microsoft Excel
  • Microsoft PowerPoint
  • Microsoft Word

The role

A network engineer at a telecommunications company designs, audits, and optimizes IP/MPLS networks using routing protocols and telecom technologies, while configuring network security devices and supporting ISP network operations. The role also applies network automation and multi-vendor migration expertise.

Full job description

Join our Team

About this opportunity:

The Network Engineer performs design, optimization and audit of a network to meet the customer requirements. The role is focused on executing design, audit and optimization services, where the network engineer is responsible for part of the solution and part of the service process. The Network Engineer is responsible to upkeep time, performance and quality according to Ericsson requirements and Customer contract.

What you will do:

Ability to Analyze, Discuss and Define Network Requirements and Review Network Solutions.

Customer facing role

Interact with internal and external stakeholders for delivery execution

Excellent communication skills

Prepare IP Documents ( HLD/LLD as per Requirement).

Ability to lead integration services for Telcom IP Networks.

Perform MPBN Network Audit ( i.e. Security, Configuration & Hardware).

Troubleshoots network problems and implements corrective action

Analysis of Different KPIs & Recommendation of Network Best Practices.

Deliver technical assistance to the team.

Optimization of MBPN and ISP networks.

The skills you bring:

Hands on experience in Configuration of Cisco, Huawei, Juniper, Arbor, Checkpoint, FortiGate and ZTE Network/Security Devices.

Hands on experience in Troubleshooting – Network related issues.

Experience in Telecom Technologies (2G, 3G, 4G & 5G).

Experience in Multi-Vendor Migration of Services.

Should have sound knowledge in routing and VPN technology (OSPF, ISIS,BGP MPLS, SR & L3/L2 VPN, EVPN) and QOS along with Traffic Engineering

Should have sound knowledge in Firewall, DDoS, DNS, DPI & load balancer.

Strong understanding of ISP network technologies, including CDNs, IX, and network optimization techniques.

Skillset

Planning, Design & Optimization of IP/MPLS Network.

Excellent knowledge in Routing Protocols and MPLS Transport.

In-depth understanding and hands-on expertise in Layer 2 networking technologies.

Knowledge of Managed Service telecom operations practice.

Excellent verbal and written communication skills.

Automation Skills.

Professional /Expert IP Certification. (CCIE, JNCIE)

Proficient in DNS, CDN mechanisms, and the structure of ISP networks.

Excellent skills in Microsoft applications like excel, Power Point, Word etc.

“All academic credentials must be from recognized and accredited institutions and are further subject to verification.”

Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: India (IN) || Noida

Req ID: 787480