Senior Security Operations Engineer ( SOC Engineer L3)

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Role: Senior Security Operations Engineer (SOC Engineer L3)

Work Location: Warrington or Leamington Spa

Role Type: Permanent

Mode of Working: Hybrid

Are You Ready to Utilise Your Experience in Cyber Security?

We have an exciting role for you — Senior Security Operations Engineer (SOC Engineer L3)

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.

1. • Want to help build a modern AI led Cyber Security Operations Centre?
2. • Think that any problem is just a pause between ideas?
3. • Know how to build a modern SOC build on AI and automation?

The Role

As an experienced Security Engineer, you will be responsible for designing, implementing, and optimizing security monitoring, detection, response, and automation capabilities across large enterprise environments. Drives security engineering initiatives focused on improving SOC effectiveness, reducing analyst effort, and leveraging AI-driven technologies to enhance threat detection, investigation, and response.

Key responsibilities:

• Evaluate, onboard, and integrate security logs from cloud, infrastructure, application, and security technologies.
• Design and Implement log ingestion pipelines, parsing logic, normalization standards, enrichment processes, and data quality controls.
• Develop, tune, and optimize detection rules, correlation searches, alerting content, and threat detection use cases to improve detection fidelity and reduce false positives.
• Design and build automated playbooks, automated response workflows, and orchestration capabilities to streamline security operations.
• Develop integrations between SIEM, SOAR, EDR/XDR, IAM, vulnerability management, ticketing systems, cloud platforms, and third-party security tools.
• Optimizing security tooling infrastructure, ensuring platform availability, scalability, performance, and operational resilience.
• Develop dashboards, reporting, and metrics to measure detection coverage, operational efficiency, platform health, and SOC performance.
• Support incident response, threat hunting, and security investigations through detection engineering, automation, and continuous service improvement.
• Lead AI and machine learning initiatives to improve alert triage, investigation workflows, threat detection, correlation, and response decision-making.
• Identify and implement AI-driven use cases that reduce manual SOC activities, accelerate investigations, enhance analyst productivity, and improve overall response effectiveness.
• Collaborate with security, infrastructure, cloud, and application teams to deliver scalable and sustainable security monitoring solutions.

Your Profile

Essential skills/knowledge/experience:

• Detection Engineering (taking Threat Intel and designing detection logic to detect TTPs and IoCs).
• Detection Fine-Tuning and false positive reduction.
• Critical thinking skills and problem solving
• Communication skills (able to convey complex ideas in simple terms to both non-native English speaker and management)
• Leadership qualities, able to inspire team mates to delivery to the highest quality
• Experienced with AI agents (both personal use and implementation of agentic workflows in security tools
• SIEM Engineering
• Log Onboarding & Evaluation
• Log Parsing & Normalization
• Rule Development
• SOAR and general Security Automation
• AI for Security Operations (implement and optimize AI Agents)
• API Integrations (learn and develop logic apps)
• Log Pipeline Management
• Security Tool Administration (get the most of the inbuild capabilities)
• Support Incident Response
• Design automated performance metric reporting
• Support the development of SOC processes to take advantage of the changing AI agent landscape.

Desirable skills/knowledge/experience:

• Bachelor’s degree in cyber security, Computer Science, Information Technology, or related field.
• 8+ years of SOC, Detection Engineering, or Security Engineering experience.
• Experience designing and implementing enterprise-scale SIEM and EDR solutions.
• Microsoft SC-200,
• Microsoft SC-100
• AZ-500
• CEH
• Python scripting

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 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. Please email us at [email protected] if you would like to opt in.

If you are an applicant who needs any adjustments to the application process or interview, please contact us at [email protected] with the subject line: “Adjustment Request” or call TCS London Office 02031552100 / +44 204 520 2575 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Next Steps:

Application Process

1. Online application: You can apply directly through LinkedIn/ by uploading your CV. In case you wish to submit your application via another format like audio/video, please, contact - [email protected]
2. Skill-Based discussion: This will be a level 1 interview with the project team, it can be via video or in-person. Details will be confirmed by your recruiter.
3. Managerial discussion: This discussion will focus on behavioural aspects and person-organisation fit.
4. 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. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to [email protected] to report any fraudulent activity.

Due to the 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.