Specialist- DWDM

Ericsson; Dadri; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Ericsson is seeking a Senior Engineer- DWDM (L2/L3 access network) to lead technical delivery and support for DWDM, SDH, and optical networks. You will drive incident restoration, root-cause analysis, and proactive fault detection while coordinating with field teams for hardware installation and fault resolution.

The role requires deep expertise in SDH/DWDM technologies, cross-connection provisioning, and familiarity with OTN/MSC/NMS tools.

Qualifications

• Strong understanding of SDH/DWDM technologies, network architecture and transmission concepts.
• Hands-on experience with STM‑1/4/16/64 provisioning and DWDM wavelength provisioning.
• Familiar with MS Office tools for reporting and analysis.
• Exposure to Microwave/ASON/OTN is a plus and OEM certifications are valued.

Responsibilities

• Serve as customer technical point for 24/7 activities requiring expert knowledge.
• Ensure services meet SLA performance levels and uptime targets.
• Perform proactive fault analysis to detect potential failures and guide remediation.
• Collaborate with field technicians for hardware installs, fiber terminations, and onsite troubleshooting.
• Provide configuration support and fault analysis across SDH/DWDM networks.

Skills

SDH & DWDM knowledge

NMS/EMS tools

Troubleshooting expertise

OEM certifications

Job description

Join our Team

About this opportunity:

We have an exciting opportunity for a Senior Engineer- DWDM (L2/L3 access network), DWDM, Fiber & Microwave based networks to join our dynamic team here at Ericsson. As a critical component of our Managed Services deliveries, the role aligns with the Ericsson Operations Engine's mandate. The positions key responsibilities include offering technology leadership, domain expertise, and robust support throughout the entire cycle of Create, Sustain, and Evolve processes.

What you will do:

• Acts as the customer concern point for activities demanding a level of technical expertise as a 24/7 capability!
• Ensure that the services provided to customers are continuously available and performing to Service Level Agreement (SLA) performance levels.
• Performs analysis to proactively detect possible failures. This shall ensure incident restoration and repair because of its own analysis or when prompted by MS Automated Service Function processes.
• Act to meet the service or resource requirements, in the cases in which an overall and higher-level network knowledge is required or when knowledge on specific products or services is required.
• Remote troubleshooting on SDH, DWDM, OTN, Optical and L2 Service devices on Nokia devices.
• Detail understanding of Fixed Line Telephony with hands on experience on Nokia & Marconi fixed line telephone exchanges
• Collaborate closely with field technician for all field activities (hardware installation, fibre termination/swap, onsite troubleshooting, and fix action).
• Handling Configuration Support & fault analysis.

The skills you bring:

• Quick learner with a positive attitude; a strong team player with the ability to contribute independently and collaborate effectively.
• Solid understanding of SDH and DWDM technologies, including network architecture, topology, and transmission concepts.
• Hands‑on experience in configuration and provisioning of SDH (STM‑1/4/16/64) and DWDM systems (wavelength provisioning, cross‑connections, optical parameters).
• Good knowledge of optical transport concepts such as:
  Optical power levels and budgeting
  OSNR, attenuation, dispersion
  Protection schemes (MSP, SNCP, ring protection)
• Experience in fault isolation and troubleshooting related to:
  Fiber issues (cuts, degradation)
  Hardware faults (cards, ports, transponders)
  Performance degradation and service impact/outages
• 10-15 years of experience in handling service outages and restoration within defined SLA timelines in transport networks.
• Familiarity with NMS/EMS tools for SDH/DWDM network monitoring, alarm handling, and performance management.
• Working knowledge of MS Office tools (Excel, Word, PowerPoint) for reporting and analysis.
• Exposure to Microwave and ASON/OTN technologies is an added advantage.
• Relevant OEM certifications (e.g., Ciena, Nokia, Huawei) or transport network certifications are a plus.
• Working knowledge of below mentioned Microwave products and vendors –
  SDH Devices: Alcatel, Ciena, ECI, Fujitsu, Marconi & Nokia
  DWDM Devices: Alcatel, Cisco, Huawei, Infinera, Ribbon & Nokia

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