Job Specifications
**If you need support in completing the application or if you require a different format of this document, please get in touch at UKI.recruitment@tcs.com or call TCS London Office number 02031552100 with the subject line:“Application Support Request”.**
Role: Cyber Defence Analyst
Job Type: Permanent
Location: London
Ready to utilise your experience and expertise in Cyber Defence?
We have an exciting role for you – Cyber Defence Analyst!
Careers at TCS: It means more
TCS is a purpose‑led transformation company, built on belief. We do not just help businesses 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.
Eager to collaborate and contribute to a dynamic team environment.
Ready to tackle challenges head‑on with a proactive mindset.
Committed to achieving excellence and delivering impactful results in every interaction.
The Role
As a Cyber Defence Analyst, you will be responsible for detecting and responding rapidly to potential security threats. You will interpret threat data, perform in‑depth investigations, enhance detection capabilities, and proactively manage and tune security tools to ensure optimal performance. This role is critical to strengthening the organisation’s cyber resilience and supporting core security operations.
Key Responsibilities
Proactively monitor, investigate, and respond to alerts in SIEM tools and ticketing systems; manage incidents through to closure or initiate IT incident management processes where required.
(Participation in an on‑call rota for security incidents is required.)
Manage incident and approval queues within IT ticketing systems.
Act as SecOps SME for nominated technologies, ensuring effective configuration, management, and optimisation of assigned security tools.
Support SecOps leadership in providing assurance over services delivered by Managed Security Service Providers.
Ensure SecOps processes and procedures are well‑documented and support knowledge sharing across the team and the wider IT landscape.
Assist with processing security events, investigations, vulnerability analysis, and remediation activities.
Derive actionable insights from cyber threat intelligence and improve understanding of the threat landscape.
Process IOAs and IOCs to enhance detection rules and control configurations.
Perform proactive threat hunting based on emerging threats and organisational threat intelligence.
Conduct confidential eDiscovery investigations, document findings, and present evidence as required.
Support additional security activities and projects as needed.
Engage and collaborate with external stakeholders including IT teams, users, and service requestors.
Your Profile
Essential Skills / Knowledge / Experience
Experience in Use Case production and security tooling configuration/operations.
Strong understanding of case management tools and IT ticketing systems.
Extensive knowledge of Security Operations controls and processes.
Experience with vulnerability management tools and SIEM solutions.
Basic knowledge of networking, perimeter controls, IAM, and operating systems.
Understanding of cloud security controls and container security.
Experience with scripting and basic coding.
Experience with EDR operation and configuration, including MITRE ATT&CK framework.
Prior experience with eDiscovery tools and investigations.
Industry‑standard security certifications (e.g., CISSP, GIAC, CEH).
Strong written, verbal, and presentation communication skills.
Ability to work under pressure during security incidents and manage competing demands effectively.
Excellent analytical and problem‑solving abilities.
Strong stakeholder collaboration and relationship‑building skills.
Desirable Skills / Knowledge / Experience
Exposure to the Retail domain.
Demonstrated commitment to excellence (performance, improvement, customer focus, decision‑making).
Strong collaboration, communication, influence, resilience, and ability to manage ambiguity.
Innovative mindset with curiosity around emerging cyber trends.
Rewards & Benefits
TCS is consistently voted 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.
We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon.
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 r
About the Company
Tata Consultancy Services is an IT services, consulting and business solutions organization that has been partnering with many of the world's largest businesses in their transformation journeys for over 56 years. Our consulting-led, cognitive powered, portfolio of business, technology and engineering services and solutions is delivered through our unique Location Independent Agile(tm) delivery model, recognized as a benchmark of excellence in software development.
A part of the Tata group, India's largest multinational busi...
Know more