Network SME | S3 | CIO

Network SME | S3 | CIO | Milton Keynes |

Country:
United Kingdom

Santander () is evolving from a global, high-impact brand into a technology-driven organisation, and our people are at the heart of this journey. Together, we are driving a customer-centric transformation that values bold thinking, innovation, and the courage to challenge what's possible.

This is more than a strategic shift. It's a chance for driven professionals to grow, learn, and make a real difference.

Our mission is to contribute to help more people and businesses prosper. We embrace a strong risk culture and all our professionals at all levels are expected to take a proactive and responsible approach toward risk management.

Santander Digital Services is the team of technology and operations  are convinced of the importance of technology that is aligned with the requirements of the business and that out work not only brings value to users, people and communities but also fosters individual creativity. Our team of over 7,000 people in 8 countries (Spain, Portugal, Poland, UK, USA, Mexico, Chile and Brazil) develops and/or implements financial solutions across a broad spectrum of technologies (including Blockchain, Big Data and Angular among others) on all kinds of on-premise and cloud-based platforms.

Santander UK is looking for a Network Subject Matter Expert based out of Milton Keynes.

We are seeking a Network SME to work alongside the Technical Service Manager (TSM) to ensure the network service is healthy, risks are being managed, and suppliers or engineering teams are delivering the expected outcome.

The successful candidate will be responsible for coordinating across operations, security, vendor, and service management teams to maintain the availability, resilience, and regulatory compliance of business-critical network services.

The ideal candidate will have 5-10+ years of hands‑on networking experience and be comfortable operating at both a technical and service-management level, supporting incident resolution, driving service improvements, overseeing governance processes, and managing supplier relationships.

• Acting as the technical expert for network services
• Reviewing service performance, incidents, problems, and changes
• Advising the TSM on technical risks, priorities, and improvements
• Challenging suppliers or support teams when service levels are not being met
• Supporting major incident resolution and root cause analysis
• Assessing the impact of network changes and projects
• Ensuring network services align with business and operational requirements
• Providing technical input for governance, reporting, and service reviews

Our people are our greatest strength. Every individual contributes unique perspectives that make us stronger as a team and as an organisation. We’re enabling teams to go beyond by valuing who they are and empowering what they bring.

The following requirements represent the knowledge, skills, and abilities essential for success in this role. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Experience in Enterprise networking in LAN/WAN across IOS, EOS. (Required)
• Experience in Routing and switching in BGP, OSPF, VLANs, STP. (Required)
• Experience in SD-WAN, Firewalls, DNS, IPAM and Load Balancers. (Required)
• Proven background with exposure to Incident, Problem & Change Management. (Required)
• Excellent communication and collaboration skills to work effectively with diverse teams and stakeholders, including senior leadership and non-technical audiences. (Required)
• Experience in using ticketing and ITSM tools e.g., Jira, Service Now. (Required)
• Analytical and detail-oriented, with the ability to assess…