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Vodafone

GM - Voice Core Senior Operations Manager

Location:  Bangalore, Karnataka, India
Location flexibility:  Office based
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Job Description

Who we are

VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation.
As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed in partnership with customers across Vodafone Group, local markets, and partner markets to simplify and drive growth. With our strategic partner Accenture, we work alongside our Vodafone customers, other Telco and tech companies to drive transformation, meet the challenges of our industry and ensure we stay relevant and resilient. This partnership is a unique, industry-first model which brings together the best of in-house and 3rd party capability.
We work with customers across 28 countries from 10 VOIS locations: Albania, Egypt, Hungary, India, Romania, Spain, Turkey, UK, Germany, Ireland, and with a network of teams in Czech Republic, Italy, Greece, and Portugal.
#VOIS #BeUnrivalled #CreateTheFuture

About this Role

We are seeking an experienced Mobile Voice Core Operations professional to lead the operational management of UK Mobile Core platforms within a mission-critical telecom environment. This role is responsible for ensuring service availability, operational resilience, incident management excellence, and continuous improvement across Voice Core domains. The successful candidate will work closely with Engineering, Deployment, Data Core, Cloud and vendor teams to maintain high service standards, support technology evolution, and deliver operational efficiencies through automation and optimisation initiatives.

This opportunity is ideal for individuals with extensive telecom operations experience, strong leadership capabilities, and deep understanding of Voice Core technologies, virtualised network environments, and service management practices.

What you’ll do

  • Lead day-to-day operations of Mobile Voice Core platforms, ensuring high availability, service continuity and operational excellence.
  • Implement and govern operational procedures that maintain system reliability and minimise service disruption.
  • Take end-to-end ownership of incident management activities across Voice Core domains.
  • Lead resolution activities for major incidents impacting voice services.
  • Develop, maintain and oversee incident response and recovery plans.
  • Coordinate with cross-functional support teams to identify, troubleshoot and resolve operational issues.
  • Drive continuous improvement initiatives across NOC and SOC operational teams.
  • Govern major changes across Voice Core environments and ensure effective change management practices.
  • Assess, review and validate technology changes with key stakeholders.
  • Manage dependencies and conflicts between Voice Core changes and activities across other technology domains.
  • Collaborate with Engineering teams to improve platform resilience, reliability and operational readiness.
  • Support smooth transition of new solutions from deployment and implementation into operations.
  • Implement and enhance monitoring capabilities for Voice Core services and platforms.

Who you are

  • University degree in Electronics, Telecommunications, Information Technology or equivalent professional experience.
  • 12-18+ years of experience within the telecommunications industry.
  • 5-10+ years of leadership experience managing technical, operational or service delivery teams.
  • Strong experience in telecom network operations and managed services environments.
  • Strong understanding of Mobile Core networks, voice services, data services and traffic management.
  • Demonstrated expertise in VNF and CNF-based architectures.
  • Good understanding of virtualisation technologies, networking protocols and cloud-based telecom environments.
  • Proven ability to lead critical operational teams within high-availability environments.
  • Strong analytical, troubleshooting and problem-solving capabilities.
  • Experience managing complex incidents, operational escalations and change implementation activities.
  • Strong stakeholder management, communication and collaboration skills.
  • Knowledge of operational governance frameworks and process management disciplines.
  • Industry certifications such as AWS Certified Cloud Practitioner or ITIL Foundation are desirable.
  • Experience with Cramer Network Inventory.

Expert-level proficiency in Cramer Network Inventory or equivalent network inventory and service management platforms

Not a perfect fit?

Concerned you may not meet every requirement? Vodafone is committed to creating an inclusive workplace where everyone can thrive. If you are excited about this role but your experience does not align exactly with every aspect of the job description, you are encouraged to apply. You may be the right candidate for this or another opportunity, and the recruitment team will support you in exploring where your skills fit best.

What's in it for you

  • Opportunity to lead operational delivery for critical UK Mobile Voice Core services.
  • Exposure to next-generation telecom technologies, including virtualised and cloud-native network functions.
  • Strategic collaboration with Engineering, Cloud, Data Core and Deployment teams.
  • Ownership of operational transformation, automation and service improvement programmes.
  • Leadership responsibility with direct influence on service stability, operational readiness and customer experience.
  • Opportunity to drive innovation, operational resilience and technology adoption within a global telecom environment.
  • International stakeholder engagement across Vodafone and VOIS delivery organisations.

What skills you will learn

  • Advanced Mobile Core operational leadership and governance.
  • Cloud-native telecom operations and CNF lifecycle management.
  • Service assurance and operational automation methodologies.
  • Strategic vendor and supplier management capabilities.
  • Telecom change governance and major incident leadership.
  • Performance optimisation and resource management in large-scale telecom environments.
  • Cross-functional collaboration across cloud, data and voice technology domains.
  • Best practices in telecom operational transformation and resilience management.

VOIS Equal Opportunity Employer Commitment

Vodafone recognises and celebrates the value of diversity in building a workforce that reflects the customers and communities it serves. No form of discrimination is tolerated. This includes, but is not limited to, discrimination based on race, colour, age, veteran status, gender identity, gender expression, sexual orientation, pregnancy, maternity or parental status, ethnicity, disability, religion or belief, political affiliation, trade union membership, nationality, citizenship, indigenous status, medical condition, HIV status, neurodiversity, social origin, cultural background, marital or civil partnership status, or socio-economic background.

Join Us

At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this.
We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together.
With us, you can truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.

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A little flex time

Company benefits

UK (28), India (22), Egypt (21), Hungary (20), Romania (20), Albania (22), Turkey (14) days annual leave + bank holidays
Work from anywhere scheme – work for up to 20 days/year abroad (dependant on country)
Annual bonus – dependant on company performance
Employee discounts
Personal development days – once per quarter
Learning platform – access to Harvard Business Publishing, MIT Horizon and Skillsoft
Enhanced maternity leave – 16 weeks (paid) with a phased return to work over 6 months
Enhanced paternity leave – 16 weeks (paid) with a phased return to work over 6 months
Volunteer days – up to 5 days
Coaching – access to a free certified internal pool of coaches
Mentoring
Carer’s leave
Adoption leave – 16 weeks (paid) with a phased return to work over 6 months
Enhanced sick days
Mental health platform access
Mental health first aiders
Employee assistance programme
Complimentary Medical Services – 24/7 online doctor service
Compassionate leave
Home office set up
Buddy scheme
Referral bonus
Early finish Fridays
Buy or sell annual leave
Cycle to work scheme
Life insurance
Sabbaticals
Salary sacrifice
Share options
Teambuilding days
Faith rooms
Enhanced pension match/contribution
Learning license

Awards & Accreditations

1st – Most loved - Large companies

1st – Most loved - Large companies

Flexa awards 2026
1st - Most Inclusive Company

1st - Most Inclusive Company

Flexa awards 2026
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2026
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Company employees:

85,887

Gender diversity (m:f):

61:39

Hiring in countries

Albania

China

Czechia

Democratic Republic of the Congo

Egypt

Germany

Greece

Hungary

India

Ireland

Italy

Luxembourg

Malaysia

Portugal

Romania

South Africa

Spain

Taiwan

Tanzania

Türkiye

United Kingdom

Office Locations