NIRANJAN RAVICHANDRAN
Dublin,Ireland
Summary
Cyber security professional with eight years of experience across SOC operations, GRC triage, service desk leadership, and desktop support. Strong in SIEM monitoring, detailed event analysis, policy-based triage, structured escalation handling, and cross-functional collaboration. Experienced in 24/7 multi-client environments with hands-on work involving alert validation, threat assessment, knowledge base enhancement, and mentoring support teams. Combines deep technical troubleshooting with security-driven decision-making and academic grounding through a First Class Honors Master's in Applied Cyber Security.
Overview
8
8
years of professional experience
1
1
year of post-secondary education
1
1
Certification
Work history
Security Operations Center Associate
Unisys
Bengaluru
05.2022 - 07.2024
- Handled SIEM monitoring across LogRhythm and Securonix, reviewing Windows event logs including password failures, privilege changes, suspicious application executions, and endpoint behavioral anomalies.
- Investigated inbound/outbound firewall events, DNS anomalies, network deviations, and correlating multi-source alerts across client environments.
- Performed initial triage by validating events, correlating logs, analyzing user behavior patterns, and escalating high-risk alerts to L2/L3 teams with structured notes.
- Used threat intelligence sources such as VirusTotal and IPVoid to inspect IOCs, malicious domains, suspicious hashes, and associated indicators.
- Documented incidents within ServiceNow with clear timelines, evidence, and classification based on client protocol.
- Managed shift handovers with full context sharing, ensuring continuity and accuracy across global SOC teams.
- Supported GRC activities for a partner client by pre-assessing external companies, selecting compliance categories (PII, HIPAA, GDPR), and submitting risk packages for CFO/CIO approval.
Team Lead
Unisys
Bengaluru
08.2020 - 04.2022
- Led a team of 20+ analysts, managing call flow, SLA adherence, quality assurance, and workload allocation.
- Created training guides, delivered onboarding sessions, and conducted ongoing coaching for team members.
- Prepared SLA, KPI, and performance reports, analyzing patterns and presenting findings to management.
- Conducted DSAT reviews by assessing customer interactions, identifying root causes of dissatisfaction, and creating action plans to convert DSATs into CSAT improvements.
- Built and maintained KB articles based on new issues, workflow changes, and escalation patterns.
- Developed Power BI dashboards for roster visibility, performance insights, escalation frequency, DSAT/CSAT tracking, and team workload distribution.
- Coordinated shift plans, escalations, and inter-team collaboration during high-volume operational periods.
Service Desk Support Representative
Unisys
Bengaluru
02.2018 - 07.2020
- Provided L1 support across Windows, MS Office, VPN, application issues, system performance, and network connectivity.
- Handled account lockouts, password resets, system troubleshooting, hardware diagnostics, and user guidance.
- Documented and managed incidents via ServiceNow, ensuring SLA compliance and clear communication with end users.
- Contributed to process documentation and supported improvements in first-call resolution.
- Collaborated with senior engineers for escalations, ensuring clear and accurate issue summaries.
System Engineer
Tek Systems (Hewlett Packard Enterprise)
Bengaluru
07.2016 - 01.2018
- Provided desktop support including OS troubleshooting, VPN configuration fixes, network diagnostics, printer issues, and hardware replacements.
- Served as SME and trainer for new team members, assisting with technical knowledge transfer and customer interaction best practices.
- Used Salesforce for ticket management, documentation, and follow-up across multiple clients.
- Supported VIP users by ensuring timely handling of sensitive or high-priority technical requests.
Education
Master's - Applied Cyber Security
Technological University Dublin
Blanchardstown, Ireland 09.2024 - 06.2025
Bachelor of Engineering - Computer Science
Cambridge Institute of Technology
BengaluruSkills
- Security & Analysis: SIEM monitoring, deep-dive triage, multi-layer incident analysis, malware investigation, threat intelligence lookup, endpoint event diagnostics, firewall and DNS event review, incident documentation and escalation
- Tools & Platforms: LogRhythm, Securonix, Qualys, Devo, ServiceNow, Salesforce, VirusTotal, IPVoid
- GRC Awareness: Vendor risk pre-screening, compliance categorization (PII, HIPAA, GDPR), documentation assessment, initial-risk triage and submission workflows
- Systems & IT Operations: Windows, Linux, VPN troubleshooting, hardware and OS diagnostics, Active Directory basics, network fundamentals, escalation workflows
- Scripting & Automation: Python, PowerShell
- Reporting & Data: Power BI dashboards (SLA trends, KPI breakdowns, roster management, workload distribution, DSAT/CSAT analysis), Microsoft Office Suite
- Professional Skills: Team leadership, coaching, performance monitoring, stakeholder communication, customer experience management, knowledge base development, quality audits
Certification
- CompTIA Security+
- ITIL v4 Foundation
- AZ-900
- Devo Certified Platform User
- Qualys VM Certified
- On track for CRISC
ACADEMIC PROJECT
Hybrid Ensemble Machine Learning Framework for Multi-Layered Detection of DDoS Attacks, Designed and evaluated a multi-layered detection model that leverages ensemble learning algorithms for improved DDoS identification across network traffic datasets. Worked on feature extraction, preprocessing, model training, evaluation metrics, and comparative assessments of detection accuracy.
Timeline
Master's - Applied Cyber Security
Technological University Dublin
09.2024 - 06.2025
Security Operations Center Associate
Unisys
05.2022 - 07.2024
Team Lead
Unisys
08.2020 - 04.2022
Service Desk Support Representative
Unisys
02.2018 - 07.2020
System Engineer
Tek Systems (Hewlett Packard Enterprise)
07.2016 - 01.2018
Bachelor of Engineering - Computer Science
Cambridge Institute of Technology