Support Engineer

Job Type: Permanent

Location: London

Hours: 40 hours per week, full time

Ready to utilize your experience and expertise as a L3 Support Engineer? 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.

Work in a collaborative, fast‑paced support environment. Take ownership of critical BAU activities within customer environments. Contribute to stable, secure, and high‑performing enterprise platforms.

The Role

As an L3 Support Engineer, you will be a key technical SME supporting a customer environment, primarily focused on Zscaler and identity services. This is a critical BAU role, currently managed by a single engineer, requiring strong ownership, problem‑solving, and coordination across multiple teams. You will handle day‑to‑day operational requests, incident resolution, and change activities, including migrations, access changes, and platform optimization.

Key Responsibilities

• Support BAU operations for Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA).
• Design, implement, and maintain Zscaler solutions for secure internet and private application access.
• Manage Zscaler configurations including policies, app connectors, authentication profiles, and access controls.
• Monitor network traffic, analyse logs, and troubleshoot performance or access issues.
• Support application migrations and Zscaler‑related change requests by coordinating with multiple technical teams.
• Integrate Zscaler with enterprise services including identity providers, SIEM platforms, firewalls, and endpoint tools.
• Collaborate with security and IT teams to meet compliance requirements and support audits and incident response.
• Administer Microsoft Entra ID (Azure AD) including users, groups, RBAC, and directory synchronisation.
• Configure and support SSO integrations using SAML, OAuth, and OpenID Connect.
• Implement and manage Azure Privileged Identity Management (PIM) and Conditional Access policies.
• Support identity governance processes including access packages, approvals, and access reviews.

Your Profile

• Strong hands‑on experience with Zscaler Internet Access (ZIA).
• Strong hands‑on experience with Zscaler Private Access (ZPA).
• Experience managing and maintaining Zscaler policies and configurations.
• Ability to monitor traffic, analyse logs, and troubleshoot performance or access issues.
• Experience configuring SSO for enterprise applications using SAML, OAuth, and OpenID Connect.
• Hands‑on experience with Azure Privileged Identity Management (PIM).
• Experience designing and supporting identity governance solutions.
• Strong understanding of Conditional Access and Multi‑Factor Authentication controls.
• Experience contributing to project delivery alongside BAU support.
• Ability to work across multiple teams to gather requirements and deliver solutions.
• Strong organizational skills with a proactive, ownership‑driven approach.

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 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.

As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role.

Next Steps

Application Process:

• Online application: You can apply directly through LinkedIn/ by uploading your CV.
• Skill-Based discussion: This will be a level 1 interview with the project team, it can be via video or in-person.
• Managerial discussion: This discussion will focus on behavioural aspects and person-organisation fit.
• HR Discussion: This will be with one of the members of the HR team and will cover your career journey, aspirations for growth, compensation and any other questions you may have.

Beware of Fraudulent offers: This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process.

Join us and do more of what matters. Apply online now.