Applications & Services Op. Expert
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.You will be part of a high-performing team responsible for the consistent delivery of high-quality, reliable, and resilient services across the organization by proactively monitoring, managing, and improving service performance. As a voice core specialist, you will handle configuration, implementation, and lifecycle management of voice core network solutions, ensuring service excellence and operational efficiency across IMS, Legacy Voice, and VoLTE platforms.
What you’ll do
- Oversee L3 support and act as the final escalation point for complex voice-related incidents;
- Support and contribute to the implementation of AI/ML-powered tools for diagnostics and performance monitoring;
- Ensure compliance with regulatory and security standards in voice service delivery;
- Handle vendor relationships (e.g., Ericsson, Oracle, Huawei), ensuring SLA adherence and lifecycle alignment;
- Coordinate cross-functional projects including 5GSA voice readiness and service evolution;
- Own documentation standards and ensure the team contributes to high- and low-level design and support materials;
- Collaborate with engineering and operations teams to ensure seamless integration and support of voice service.
Who you are
- Degree in computer science or equivalent;
- Good understanding of unified communications and high availability services, demonstrated by at least 3 years of experience in a similar role;
- Proven experience in IMS architecture and protocols (SIP, Diameter, HTTP, INAP, LDAP, DNS, DHCP, ISDN, etc);
- Strong analytical and troubleshooting skills in multi-vendor and multi-market environments;
- Proficiency in managing and resolving major incidents, including coordinating with multiple teams and stakeholders;
- Understanding and experience in working with cloud technologies;
- Ability to drive innovation and continuous improvement in service assurance;
- Clear and effective communication with both technical and non-technical stakeholders;
- Experience leading technical projects and teams in telecom or network operations;
- Ability to communicate technical concepts clearly to diverse stakeholders;
- Knowledge of RedHat/Linux environment and most common databases, particularly executing complex queries;
- Fluency in Portuguese and English (written and spoken).
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
- Hybrid Work Model - Flexible hybrid work model with 8-10 in-office days per month, managed by team leaders;
- Vodafone Products and Services - Employees get a mobile phone, free communication plan, data card, and various discounts on services and products;
- Recognition - Recognition programs for innovative, creative, high-potential employees and exemplary behaviors;
- Health and Well-being - Well-being Program offers nutrition and psychological consultations, webinars, workshops, and discounts on various services and products;
- Learning - Access to Communities of Practice and a customizable digital training platform with high-quality content (namely Harvard Business Publishing and Skillsoft);
- Local and International Mobility - Internal recruitment with local and international rotation opportunities across departments and roles.
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.