Domain Support Specialist IP Fixed network

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Noida, Gautam Buddha Nagar, Uttar Pradesh, IND
In-Office
Mid level
Cloud • Information Technology • Internet of Things • Machine Learning • Software • Cybersecurity • Infrastructure as a Service (IaaS)
We are shaping the future of digital connectivity the world relies on.
The Role
The role involves managing Fixed Network operations, troubleshooting, conducting network performance analysis, and collaborating with stakeholders to ensure service availability.
Summary Generated by Built In
Join our Team
About this opportunity:
We are seeking IP back office engineer - Fixed Network to join our team in Noida, India. In this role, you will handle Fixed Network (Core and Access) operations ensuring uninterrupted service availability for Broadband and Enterprise nodes in a multi-vendor environment. You will act as 2 nd line support engineer, providing solutions for alarm monitoring, hardware/software/configuration issues, and outage support while maintaining strict adherence to SLAs, compliance, and customer experience.
This role requires strong technical expertise, Coordination skills, and the ability to collaborate across multiple stakeholders including customers, third-party providers, and internal teams.
What you will do:
  • Ensure smooth and uninterrupted operation of Broadband & Enterprise Services and Networks.
  • Drive and govern Preventive & Corrective Maintenance across Broadband & Enterprise layers.
  • Conduct network performance analysis, investigate anomalies, and recommend optimization measures.
  • Handle Operations & Maintenance (O&M) activities for IP nodes, including:
    • Routers (multi-vendor)
    • Switches (multi-vendor)
    • Firewalls (multi-vendor)
    • Load Balancers (multi-vendor)
    • XGS-PON- OLT & BNG
    • DSLAM/BRAS
    • Cable Modem and CMTS
  • Execute and support Change Request (CR) implementation, ensuring minimal service impact and adherence to change management processes.
  • Lead troubleshooting, Root Cause Analysis (RCA), and resolution across hardware, software, and configuration issues.
  • Collaborate with customers, MSIP and Vendors for quick resolution.
  • Manage escalations, outages, and high-priority incidents with structured communication.
  • Engage in automation initiatives to enhance efficiency.
  • Contribute to Network Strategy, Transformation, and Digitalization initiatives.

The skills you bring:
  • Degree in Engineering or equivalent experience.
  • Strong knowledge of IP networking protocols such as OSPF, ISIS, BGP, BGP-LU, MPLS, Inter-AS, LDP, RSVP, Traffic Engineering (TE), L2VPN, L3VPN, BFD, and Segment Routing.
  • Good understanding of switching technologies including Docsis, DSL, XGS-PON, VLAN, STP, RSTP, MSTP, VRRP, and HSRP.
  • Hands-on knowledge of IP security protocols and technologies such as IPSEC, GRE, VPN, and CGNAT.
  • Experience with Cisco technologies, Spine-Leaf Architecture, Border-Leaf Architecture, and VXLAN deployments.
  • Good understanding of Fixed technologies including Docsis, FTTH, XGS-PON etc.
  • Product/vendor expertise in Cisco (mandatory), Nokia and Juniper while Ericsson knowledge will be an added advantage.
  • Strong communication, analytical, and troubleshooting skills with the ability to handle critical network issues effectively.
  • 3-7 years of relevant experience in the IP Networking domain.
  • Familiarity with multi-vendor environments (Cisco, Juniper, Nokia, Huawei, etc.).
  • Hands-on experience with network monitoring, fault management, and performance tools.
  • Excellent customer service, stakeholder management, and communication skills.
  • Ability to work under pressure, manage multiple priorities, and lead during crises.
  • Self-motivated, proactive, result-oriented with strong leadership qualities.
  • Excellent time management, interpersonal, and organizational skills.
  • Skills in tracing & decoding customer complaints.
  • Tenacity, perseverance, and flexibility in working hours.
  • Fluent in English (other languages beneficial).
  • Developed skills in knowledge sharing and creating a learning culture.

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: 784890

Skills Required

  • Degree in Engineering or equivalent experience
  • Strong knowledge of IP networking protocols
  • Good understanding of switching technologies
  • Hands-on knowledge of IP security protocols
  • Experience with Cisco technologies
  • 3-7 years of relevant experience in the IP Networking domain

What the Team is Saying

Vishal
Mayank
Granville
Sneha
Olga
Emily
Nicole
Sola
Aditi
Christoph

Ericsson Compensation & Benefits Highlights

  • Retirement Support The U.S. 401(k) includes an automatic 3% company contribution plus matching (100% of the first 3% and 50% of the next 2%) with immediate vesting. An employee stock purchase plan and legacy pensions in some groups strengthen long‑term savings.
  • Leave & Time Off Breadth Generous PTO, paid holidays, sick time, bereavement leave, and a dedicated volunteer day are offered. Time‑off allotments can increase with tenure and are complemented by hybrid work where roles allow.
  • Healthcare Strength Medical, dental, vision, and mental‑health support are part of a comprehensive health and wellbeing offering. Wellness initiatives such as onsite gyms, fitness classes, and EAP access are available in certain locations.

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The Company
HQ: Stockholm
88,000 Employees
Year Founded: 1876

What We Do

Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day. We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale. Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient. Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical. Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term. As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.

Why Work With Us

Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.

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