Platform Engineer Technical Analyst; IT Obsolescence | S3 | Technology & Operations

Platform Engineer / Technical Analyst (IT Obsolescence) – S3 Technology & Operations (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 help more people and businesses prosper. We embrace a strong risk culture and expect all professionals at all levels to take a proactive and responsible approach toward risk management.

Santander Digital Services is the technology and operations team  are convinced of the importance of technology that is aligned with the requirements of the business and that our 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 Platform Engineer / Technical Analyst based out of Milton Keynes. We are seeking highly skilled S3 Platform Engineer Technical Analyst to join Santander’s IT Obsolescence programme helping us modernise our technology estate by replacing, upgrading or decommissioning end‑of‑life systems. You’ll ensure changes are delivered securely, efficiently and ready for BAU support with full production readiness and operational transition in place.

• Managing and coordinating OS upgrade, migration and decommissioning activities.
• Supporting application teams with middleware (MQ, Web Sphere, Biz Talk) for upgrades and migrations.
• Providing asset discovery and application mapping to support obsolescence planning.
• Ensuring infrastructure changes meet production readiness and operational transition requirements.
• Supporting problem management, root‑cause analysis and incident investigations.

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.

• Broad understanding of operating systems, databases, middleware and networking (RHEL, Windows, Oracle, DB2, Postgre
  
  SQL).
• Understanding of solution architecture principles to drive end‑to‑end remediation capability.
• Strong data analytical skills to determine alignment of orphan assets to business areas.
• Hands‑on experience in asset discovery and application mapping.
• Delivery management and oversight of internal and external teams and their associated portfolios.
• Awareness of compliance frameworks such as GDPR and SOX.
• Degree in IT engineering or equivalent experience.
• ITIL Foundation certification.
• Experience in production readiness and operational transition for infrastructure projects.

• Operating systems (RHEL, Windows)
• Databases (Oracle, DB2, Postgre
  
  SQL)
• Middleware (MQ, Web Sphere, Biz Talk)
• Asset discovery and application mapping
• Solution architecture principles (end‑to‑end remediation)
• Data analytical skills (aligning orphan assets to business areas)
• Delivery management and oversight of technical teams
• Compliance frameworks (GDPR, SOX)
• Production readiness and operational transition for infrastructure projects

• Strong collaboration and teamwork abilities (working with internal and external teams)
• Effective communication skills (supporting application teams, coordinating activities)
• Analytical thinking and problem‑solving (root cause analysis, incident investigations)
• Proactive and responsible approach to risk management
• Adaptability and willingness to embrace innovation and change
• Attention to detail (ensuring production readiness and operational transition)
• Organisational…