Senior Spec Core Infrastructure Support at Vodafone Global Enterprise

Role Purpose/Business Unit:

• To provide advanced support and maintenance for our Core Network Cloud Infrastructure. This role requires strong technical proficiency, hands-on troubleshooting, and the ability to ensure the resilience, scalability, and performance of mission-critical telecom and cloud systems.

Your responsibilities will include:

Infrastructure Operations

• Perform advanced support and maintenance of core network cloud infrastructure (compute, storage, virtualization, orchestration).
• Ensure system availability, performance, and compliance with security standards.
• Conduct proactive monitoring, diagnostics, and performance tuning.

Incident & Problem Management

• Serve as the escalation point for complex technical issues.
• Lead root cause analysis and implement corrective/preventive actions.
• Provide clear incident reports and technical updates to stakeholders. 

Technical Expertise & Guidance

• Be a subject matter expert (SME) for cloud and network infrastructure technologies.
• Mentor junior engineers and share knowledge through documentation and technical sessions.

Operational Excellence

• Develop and maintain runbooks, SOPs (Standard Operation Procedure), and technical documentation.
• Champion automation, monitoring, and optimization initiatives.

Collaboration

• Work closely with cross-functional teams (engineering, support, security) to align infrastructure with business needs.
• Contribute to strategic projects such as migrations, upgrades, and capacity planning.

The ideal candidate for this role will have:

• Bachelor’s degree in computer science, Telecommunications, or related field (or equivalent experience).
• 5+ years of experience in core network/cloud infrastructure support (Essential)
• Minimum 2+ year experience in Core Network Applications (Essential)
• Working knowledge of Telco over cloud stack and core applications (Desirable)
• Understanding of networking protocols (IP/MPLS, BGP, OSPF, SDN)
• A good understanding of virtualization and containerization (VMware, OpenStack, Kubernetes)
• Proven track record in incident management and operational risk mitigation.
• A good knowledge and understanding of NFVi (Essential).

Core competencies, knowledge, and experience:

• Telecommunication Industry and current government telecommunication legislation as well as developments within ETSI/3GPP IETF and ITU-T.
• Telecom industry experience with large-scale cloud infrastructure.
• Relevant GSM Core applications.
• Voice Core, Mobile Convergence, NFVi, Orchestration and SDN.
• Telco over Cloud Infrastructure operating models.
• VIM/Hypervisor Design (KVM OpenStack, VMware etc).
• Business Acumen and Ethics.
• Computer Applications (MS Office).
• Engineering and Quality Standards.
• Knowledge of GSM,GPRS,UMTS, LTE,5GSA principles and protocols
• 3GPP and non 3GPP call flows.
• Communication (Verbal/Written)
• Technical writing and analysis
• Support
• Resilience
• Implement, Support vendor road maps
• Co-ordination
• Implementation.
• Service Orientation.
• Interpersonal. 
• Analytical.
• Creativity.
• Problem Solving.
• Negotiation
• Analytical
• Communication
• Decision making
• Interpersonal Communication 
• Presentation
• Problem solving mindset
• Time Management

We make an impact by offering:

• Enticing incentive programs and competitive benefit packages
• Retirement funds, risk benefits, and medical aid benefits
• Cell phone and data benefits, advantages fibre connection discounts, and exclusive staff discounts offered in collaboration with partner companies

Closing date for Applications: 20 April 2026.