If you need support in completing the application or if you require a different format of this document, please get in touch withat with the subject line: "Application Support Request".Role: SOC Analyst - L2Job Type: PermanentLocation: Letterkenny OnsiteJoin a global tech leader right here in Donegal. With over 850 employees and a state-of-the-art global delivery centre, we're proud to offer world-class career opportunities without having to leave the Northwest. Recognised as Workplace of the Year by the Letterkenny Chamber, we foster a culture of continuous learning, innovation, and respect. Our people are at the heart of everything we do – collaborating across teams, geographies, and disciplines to drive real change for clients around the world. Be part of something global, grounded in Donegal.Careers at TCS: It means moreTCS 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.Gain access to endless learning opportunities.Fast track your growth with diverse career opportunities internally.Grow your career, while being exposed to new technologies.The RoleAs a SOC Level 2 Analyst, you will serve as an escalation point for security incidents identified by Level 1 analysts. Your responsibilities include performing detailed analysis of alerts, investigating potential threats, and validating incidents to determine impact and scope.You will fine-tune detection rules and SIEM configurations to reduce false positives and improve alert accuracy. Additionally, you will generate clear and actionable reports on security incidents, trends, and overall, SOC performance for stakeholders. This role requires strong analytical skills, proficiency with SIEM tools, and the ability to provide recommendations that enhance the organization's security posture.Your responsibilities:Key Responsibilities:Investigate and validate escalated security alerts using Microsoft Sentinel.Perform deep log analysis with KQL (Sentinel) to identify attack patterns and root cause.Fine-tune detection rules and correlation logic to reduce false positives and improve alert accuracy.Conduct alert triage, escalate critical incidents to L3, and assist in containment actionsAbility to work 24*7 shifts, managing a team of analysts working shifts.Support L1 analysts and graduates in investigations and role growth.Manage and enhance SOAR playbooks for automated triage and response workflows.Conduct proactive threat hunting aligned with MITRE ATT&CK techniques.Ensure log source integrity and data quality across all integrated systems.Develop and maintain use cases based on threat intelligence and business risk.Generate detailed incident reports and SOC performance dashboards for stakeholders.Document investigations and preserve evidence for compliance and forensic needs.Collaborate with IR and platform teams for containment, remediation, and continuous improvement.Your ProfileEssential skills/knowledge/experience:BSc Cyber Degree or equivalent experience is required for this position.Excellent English written and verbal skills.At least five (5) years of with hands-on investigation and incident response in enterprise environments.Expertise in SIEM platforms – Microsoft SentinelStrong understanding of cybersecurity frameworks and methodologies, such as MITRE ATT&CK, NIST, and incident handling best practices.Proficiency in automation and SOAR workflows, including Sentinel Playbooks (Logic Apps).Team management and ability to adjust to changing priorities.Critical and strategic thinker, negotiator, and consensus builder.Desirable skills/knowledge/experience:Experience with PowerShell or Python for automation and custom integrations.Knowledge of Microsoft Azure and hybrid environments.Familiarity with security monitoring using SIEM technologies such as Microsoft Sentinel, Splunk, IBM QRadar, LogRhythm.Experience with EDR platforms (e.g., Defender for Endpoint, CrowdStrike) and network security tools.Understanding of threat hunting methodologies and MITRE ATT&CK framework.Awareness of frameworks like ISO 27001, GDPR, and related requirements.Preferred Certifications (not mandatory):CompTIA Security+ or CySA+EC-Council Certified SOC Analyst (CSA)Microsoft SC-200 (Security Operations Analyst)Rewards & BenefitsTCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop and 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 and partner with our local communities in Ireland.Diversity, Inclusion and WellbeingTata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the Ireland Employment Equality Acts as amended) and the Equal Status Acts as amended).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 atif you would like to opt in.If you are an applicant who needs any adjustments to the application process or interview, please contact usat with the subject line: "Adjustment Request" or email to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.Beware of Fraudulent offersThis 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 toto 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.