This job posting isn't available in all website languages

For Nokia Internal Employee access Log in here

Join us at Nokia to connect the world

Search jobs

CORE & Service Operations Specialist

Customer Services
GS Global Services
1800000PF4 Requisition #
Thanks for your interest in the CORE & Service Operations Specialist position. Unfortunately this position has been closed but you can search our 3,235 open jobs by clicking here.


  • Bachelor’s or master’s in electrical, Electronical, Computer Science, Telecom Engineer or similar Engineering Degree.

Experience Requirements

  • 5-7 years of experience in Telecommunications and Networking, or

  • 5-7 years Network Operations experience

  • Must have hands on experience on Nokia Siemens CS and PS CORE operations & maintenance including Siemens R99 MSC, CMX-5000 as well as R4 MSS/MGW, SGSN DX200 platforms.

  • Core software applications including all CS & PS CORE components.

  • Network Protocol Analyzer, tracing and diagnostic tools for advance low-level troubleshooting such as K15, Wireshark etc.

  • Project and Process Management.

  • Service Delivery Management.

  • Incident & Problem Management as per the ITIL framework and best practices.

  • Experience of working with LTE networks

Desirable Skills

  • Good understanding of overall GSM-R fundamentals and network architecture.

  • Experience of working in Multi-vendor environment.

  • Understanding of IP over ATM Transport Networks with SIGTRAN knowledge & Troubleshooting skills.

  • Understanding of the fundamentals of IP Networking, Switching, Routing, Network Management and Network Security.

  • Good knowledge on Cisco and Juniper products.

  • Understanding of Cloud infrastructure/IMS/Core/SDM/VoLTE network.

  • Understanding of the VNF and Cloud infrastructure.

  • Understanding of IMS/VoLTE architecture.

  • Excellent management and technical problem resolution skills with the ability to work independently while meeting the demanding timelines.

  • Advanced knowledge of network implementation / integration processes.

  • Office Automation: Word, Excel, Outlook, PowerPoint.

  • Planning & Design: Microsoft Project, Visio.

  • Overall understanding of Mobile and Fixed Networks; RAN, Core PS/CS, IP, VAS, BSS, OSS, Dispatcher, Radio, SIM-Cards, SS7, UNIX, Windows, Backup, Security.


  • CCNP Routing and Switching.

  • JNCIA Juniper Networks.

  • CCNA Routing and Switching or Security.

  • ITIL

  • PMP

Personal Attributes

  • Positive attitude and flexibility to support business requirements.
  • Customer focus and Leadership.
  • Proactiveness and desire to learn new skills and support cross enabling.
  • Excellent communication, interpersonal and presentation skills.
  • Good team player with self-motivation.
  • Flexible and responsive to changing work patterns and demands.
  • Open approach to solving problems and dealing with new proposals.
  • Integrity and credibility.
  • Self-motivated and ability to motivate others.

Additional Information

  • 24h Operation.

  • Transport/Rail Safety Awareness.

  • Knowledge of GSM-R networks and technology an advantage.

Previous Job Searches

My Profile

Create and manage profiles for future opportunities.

Go to Profile

My Submissions

Track your opportunities.

My Submissions
Life at Nokia
Explore Employee Blogs
We create the technology to connect the world

Stay in touch with us through our social media channels:

Follow us on Facebook
Follow us on LinkedIn
See us on Glassdoor
Follow us on Twitter
Please try again.


Either there was a problem on our end with the action you just performed, or we are currently having technical difficulties with our system. Please try again later.

Teams at Nokia

See all jobs

Research & Development

See new jobs

Market & Sales development

See new jobs

Corporate services

See new jobs
Nokia is an equal opportunity employer that is committed to diversity and inclusion. At Nokia, employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law.