SLS Engineer
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 right balance between work and life, Vodafone offers the opportunity to help you belong and make a real impact.
Role Purpose
The Third Line Support Engineer is a highly technical position.The ACI Engineer role involves designing, implementing, and managing Cisco Application Centric Infrastructure (ACI) solutions for enterprise-grade data center networking. The position requires collaboration with cross-functional teams and demands deep technical expertise in ACI architecture and network automation. The successful candidate will be responsible for optimizing ACI environments and ensuring robust network performance. There is a strong emphasis on Data Centre technologies with routing and switching knowledge.
Essence of Role – Key Accountabilities
Key Job Responsibilities:
- Perform Third Line Support tasks and activities to ensure that all Network Operations Functions, Business Continuity and pro-active maintenance processes are supported in delivering VF Services to defined performance objectives.
- Participate in the interaction and provision of technical support to all 3rd Line Stakeholders e.g. Change Management, Problem Management, Incident Management, 1st Line Operations, 2nd line Operations, Field Services, Project, Operations Management Team and VF Development Teams.
- Participate in the operational aspect of Vendors / Third Party Contracts (TPC)and their service delivery, escalations, and software/hardware deficiencies e.g. equipment and fiber providers in keeping with VF Business Strategy Fault and Crisis management and critical operational decision making
- Participate and work within the framework of Vodafone's Operations change management process ensuring change calendars and change control are adhered to for all network changes
- Ensure that you support all Operations Functions, Initiatives and Processes to deliver Networks and Enterprise Vodafone’s Services to defined performance levels.
- Support VF Ireland's development Functions in delivering new products, services and functionality.
- Support the Availability, Capacity and Business Continuity Processes for Transport Operations and support VF Ireland's business continuity plan.
- Full operational engagement in internal and external project development, service introduction and operational acceptance processes.
- Design and deploy ACI fabric architectures aligned with business and technical requirements
- Configure and manage ACI constructs including tenants, application profiles, EPGs, contracts, and policies
- Implement network segmentation and security policies using ACI micro segmentation capabilities
- Develop and maintain documentation for ACI topologies, policies, and configurations
- Perform troubleshooting and health checks on ACI fabrics using diagnostic tools and CLI commands
- Monitor ACI fabric performance and optimize configurations for availability and efficiency
- Collaborate with storage, compute, and application teams to integrate ACI with broader infrastructure
- Take responsibility for staying knowledgeable of technology developments and maintaining appropriate level of expertise for supported technologies.
- Participate in the 3rd Line on Call Rota as required.
Typical Outputs
- Alarming setup/processes/review/resolution
- Device configuration backups verification/troubleshooting
- Detailed daily analysis and operational review of IP core and Transport device logs and alarms
- Device hardware/software maintenance and upgrades
- Service Performance / Failure Analysis
- Trouble Tickets & Analysis
We Are Looking For You, If You Have:
- Competency / Performance Driver
- 5+ years of experience in network engineering or data center infrastructure
- 3+ years of hands-on experience with Cisco ACI design, deployment, and operations
- Strong understanding of network protocols (TCP/IP, VLAN, VXLAN, BGP) and data center networking
- Proficiency with Cisco ACI Management Information Tree (MIT) and policy model concepts
- Experience with ACI configuration and monitoring tools (APIC, Cisco ACI simulator)
- Familiarity with network automation and Scripting (Python, REST APIs preferred)
- Knowledge of virtualization platforms (VMware, Hyper-V, OpenStack) and container technologies
- Excellent troubleshooting skills and ability to work independently on complex problems
- Networking skills: Proven ability to listen, build rapport, influence and build on relationships.
- Result driven: proven ability to focus on improving performance, meetings deadlines and producing results.
- Self-management: Displays self-control, confidence and resilience.
- Self-development: Displays enthusiasm and keenness to keep abreast of the new technologies.
- Initiative: proven decision maker, displays sound judgement whilst thinking laterally and innovatively
- Technical / Professional Expertise
- 3rd level Qualification in IP/Network Engineering or other suitable qualification
- 5 + years of high and low level design and operational experience maintaining a medium to large size ACI deployment/ multisite deployment including Access networks.
- Cisco Networking experience essential alongside CCNP Data Centres and good understanding of IP Transmission Technologies.
- Operational/Engineering Knowledge of Cisco (ACI and 9300's), Nexus dashboard and Nokia infrastructure advantageous
- Cisco/Vendor Certified Accreditations preferred.
When choosing us……….
When you join the Vodafone Team, you will have the chance to grow your career while also experiencing some serious benefits!
Some of the benefits that you will receive along the way are:
- Competitive Salary
- Flexible working (times and location) is part of our culture where your hours can facilitate your personal work-life balance
- Generous Employer Pension contribution
- Free Phone Bill – When you join the team, your phone bill is on us! You will also receive mobile phone purchasing discounts
- Learning and Development – We provide extensive training to all of our employees so they can progress in their careers! There is also the Vodafone University where our employees can gain incredible skills!
- Exclusive Family and Friends Discounts – Receive additional discounts for you, your Family and Friends on Vodafone Products!
- 23 days annual leave and 3 charity days off – PLUS a dedicated day off for your birthday
- Access to our Wellness centre including free access to our Gym, health and wellness centre and external practitioners
We are passionate about our employees! Here at Vodafone we want you to bring your whole self to work and we enable this with our progressive workplace policies. We are proud supporters of the LGBTQ+ community and Vodafone is committed to support all of their employees at work. We are an equal opportunities employer where our people can be at their best.
When you combine Technology and the human spirit, anything is possible. And when you join Vodafone, we’ll help you shape a rewarding career that gives back in more ways than one. It starts here. It starts with you.
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