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Fixed Voice Core Specialist

Vodafone

On-site
Istanbul, TR
Full-time
Senior
Salary not listedPosted 3d ago

Real job — pulled straight from Vodafone’s careers page · Verified August 29, 2026 · No reposts.

Job description

Vodafone is hiring a Fixed Voice Core Specialist — a full-time, based in Istanbul, TR role. Apply directly on Vodafone's careers page below.

Fixed Voice Core 2nd Line Ops Snr.Spec.

Location: İstanbul, Istanbul, Türkiye

Department: Fixed Voice and NAAP Operations Management

Work Location: onsite

Join Us

At Vodafone, we’re not just shaping the future of connectivity for our customers – we’re shaping the future for everyone who joins our team. When you work with us, you’re part of a global mission to connect people, solve complex challenges, and create a sustainable and more inclusive world. If you want to grow your career whilst finding the perfect balance between work and life, Vodafone offers the opportunities to help you belong and make a real impact.

What you’ll do


• Collaborates with vendors and 3rd parties for products and services provided.
• Provide7/24 support, 2nd level customer needs which are not solved by 1st level support teams. 
• Develop scripts, GUI & portal for troubleshooting and monitoring KPI of network.
• Use management tools and self-developed scripts to
 follow and report problems/capacity on the infrastructure 
 develop proactive and reactive problem solution methods
NAAP Specific
• maintain and operate NAAP platforms/software over Tanzu 
• Deploy developed APIs to production environment
• Provide development support to new APIs
• Troubleshoot problems on software in production
• Report issues to development team and follow up for solution
• Maintain logging & reporting facilities on NAAP platforms
Fixed Voice & NAAP 
• Collaborate with development team, vendors and 3rd parties for products and services provided
• Provide7/24 support 
• Attend customer meetings with sales teams when required
• Collaborates with 3rd party vendors for sourcing of skills required.
• Collaborates with 3rd party vendors for products and services provided.
• Watching further redundancy scenarios in line with the effort to add value for the network.
• Follow technology to understand and be able to implement new voice based services. 
• Attend seminars, conferences and other activities about new technology, software & hardware related to voice services. 
• Attend tests of new equipment and platforms to be able to take responsibility for operation. Ability to see the big picture as well as the important details.
• Ability to work effectively in a changing environment
• Ensure that VF HSE&W procedures are implemented and works carried out in compliance with local HSE regulations.
• Ensure that work associated risks are assessed and reduced so far as is reasonably practicable
• Comply with VFTR’s information security policy, standards and procedures, available under Intranet / Corporate Security Library,
• Report all suspected security and/or policy breaches, potential security risks to VF TR Corporate Security,
• Protect VF TR’s information assets from unauthorized access, disclosure, modification, destruction or interference,
• Protect user accounts and associated passwords , and accept accountability for any actions performed via usage of those accounts.
• Ensure that VFTR BCM policy /standard ,procedures ,plans implemented and works carried out in compliance with standards
• Ensure that BCM risks are assessed and mitigated so far as is reasonably practicable in VFTR Business Continuity Management System (BCMS)
• Ensure VTR BCMS by planning, establishing, embedding, implementing, monitoring, reviewing, maintaining and improving within VFTR
• Leading L2 Team members in accordance with their specific role in the team and prepare operational reports for L2 activities.

Who you are

• Degree qualified in an Engineering or a Science discipline
• Experience of VOIP operation activities on multi-vendor environment such as Enghouse Softswitch, Oracle SBC, Linxa
• Deep understanding of voice & communication basics and voip protocols like SIP, ISUP, SS7, IP, TCP, UDP
• SIP Call flow & troubleshooting
• Knowledge on IMS infrastructure & components
• Understanding of billing methods and common knowledge on billing systems
• Understanding of network infrastructures, application and transport layer
• Ability to troubleshoot problems on IP networks , taking traces and network captures
• Basic understanding of network security
• Basic shell scripting knowledge
• Fluent in English
• Strong analytical deduction
• Extensive problem solving
• Team working
• Strong relationship
• Customer oriented

Not a perfect fit?

Worried that you don’t meet all the desired criteria exactly? At Vodafone we are passionate about empowering people and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to still apply as you may be the right candidate for this role or another opportunity.

What's in it for you

We like to keep them flexible:

• Vflexy: Flexible Benefits Program 
• Hybrid working kit
• Ergonomic kit allowance 
• Digital meal voucher
• Flexible transportation allowance.
• Employee assistance hotline & counselling
• Comprehensive and flexible private health insurance
• Discounted price deals for wide range of products & services 


Plus, plenty more to enjoy!If you want to know more about us and what we do, then visit our website: www.vodafone.com.tr

https://www.vodafone.com.tr/insan-kaynaklari

Instagram: https://www.instagram.com/vodafonekariyer/

Youtube: https://www.youtube.com/user/VFTurkiye


Data Privacy
By applying for this job, you accept the Vodafone Privacy Policy. Please visit Privacy Policy web page at https://careers.vodafone.com/privacy-policy/turkey/ for further details. 

Who we are

We are a leading international Telco, serving millions of customers. At Vodafone, we believe that connectivity is a force for good. If we use it for the things that really matter, it can improve people's lives and the world around us. Through our technology we empower people, connecting everyone regardless of who they are or where they live and we protect the planet, whilst helping our customers do the same.

Belonging at Vodafone isn't a concept; it's lived, breathed, and cultivated through everything we do. You'll be part of a global and diverse community, with many different minds, abilities, backgrounds and cultures. ;We're committed to increase diversity, ensure equal representation, and make Vodafone a place everyone feels safe, valued and included.

If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, please refer to https://careers.vodafone.com/application-adjustments/ for guidance.

Together we can.

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Frequently asked questions

What skills are required for Fixed Voice Core Specialist at Vodafone?

The required skills for Fixed Voice Core Specialist at Vodafone include: Python.

What is the seniority level for Fixed Voice Core Specialist at Vodafone?

Fixed Voice Core Specialist at Vodafone is a Senior level position.

How do I apply for Fixed Voice Core Specialist at Vodafone?

You can view the full description and apply for Fixed Voice Core Specialist at Vodafone on EchoJobs: https://echojobs.io/job/vodafone-fixed-voice-core-2nd-line-ops-snr-spec-i7gcl.