RHEL Virtualization Architect in Slough

Are you looking to leverage your expertise in RHEL virtualization and cloud platform architecture? We have an exciting opportunity for you!

Careers at TCS: It means more. TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

• Build strong relationships with a diverse range of stakeholders across business and technology teams.
• Gain access to continuous learning opportunities and emerging cloud technologies.
• Work collaboratively across teams to deliver innovative and scalable solutions.

The Role: As a RHEL Virtualization Architect, you will be responsible for designing and delivering vendor neutral architecture for Red Hat OpenShift within a Telco Cloud environment. You will define platform components, infrastructure topology, and integration patterns to support secure, scalable, and resilient deployments. You will play a key role in shaping migration strategies, enabling automation, and ensuring alignment with enterprise architecture and operational standards.

Key responsibilities:

• Provide architecture and design consultancy to ensure seamless integration with external systems and automation frameworks.
• Lead migration planning from Tanzu to OpenShift, including dependency mapping, downtime planning, and rollback strategies.
• Support migration of non-production clusters to OpenShift environments.
• Design and implement OpenShift lifecycle management processes, including patching, upgrades, monitoring, and alerting.
• Drive load balancer migration from AVI to MetalLB, including design, planning, and execution.
• Evaluate Container Network Interface (CNI) options and provide recommendations aligned to performance and scalability requirements.
• Support the design of network fabric and IP architecture for Red Hat and Wind River environments using Cisco and Arista technologies.
• Contribute to infrastructure services design, including load balancers, firewalls, DNS, NTP, AAA, and related components.
• Ensure infrastructure environments are optimised, scalable, and aligned with sustainability goals, including hardware efficiency.
• Deliver end-to-end design documentation, including blueprints, runbooks, test plans, and acceptance criteria.
• Oversee supplier deliverables to ensure compliance with architectural standards and design specifications.
• Support storage design and integration, including evaluation of CSI and solutions such as Pure Storage.

Desirable skills/knowledge/experience:

• Strong experience with Red Hat OpenShift, Kubernetes, and Tanzu platforms.
• Proven experience planning and executing platform migrations, particularly from Tanzu to OpenShift.
• Knowledge of platform lifecycle management, including upgrades, patching, and monitoring.
• Strong expertise in data centre networking, including leaf-spine architecture and IP fabric design using Cisco or Arista technologies.
• Experience with load balancing solutions such as AVI and MetalLB, as well as CNI and core network services.
• Ability to design scalable, resilient architectures within Telco Cloud or similar environments.
• Experience with system integration and automation-driven deployments, including CI/CD or Infrastructure as Code principles.
• Knowledge of storage platforms and integration, including CSI and enterprise storage solutions.
• Ability to produce detailed architecture documentation, including blueprints and operational artefacts.
• Experience in vendor management, design governance, and ensuring compliance with architectural standards.

Rewards & Benefits: TCS is consistently voted as a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.

Diversity, Inclusion and Wellbeing: Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998. We believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity and inclusion motto is ‘Inclusion without Exception’. Our continued commitment to Culture and Diversity is reflected across our workforce implemented through equitable workplace policies and processes.

You’ll find a welcoming culture and many internal volunteering and social networks to join (these are optional). Our diversity, inclusion and social activities include 12 employee networks such as gender diversity, LGBTQIA+ & Allies, mental health, disability & neurodiversity inclusion and many more, as well as health & wellness initiatives and sports events and we sponsor the London Marathon. We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.

If you are an applicant who needs any adjustments to the application process or interview, please contact us with the subject line: “Adjustment Request” or call TCS London Office to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Next Steps: Due to a high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion. Join us and do more of what matters. Apply online now.