Sivalingham Bharaneetharan
Dartford,Kent
Summary
IT professional with over 20 years of experience in identity and cloud management, endpoint and systems management, cybersecurity, networking, and data protection. Expertise includes Azure AD, Microsoft Intune, Palo Alto firewalls, and Rubrik 365 backup and restore. Proven ability in incident escalation and cross-functional technical collaboration, ensuring high standards of cybersecurity compliance and effective IT operations. Aiming to advance in IT leadership roles while driving innovation in technology solutions.
Overview
4
4
years of post-secondary education
25
25
years of professional experience
Work history
IT 2nd Line Support Analyst
Frankham Consultancy Group
01.2023 - 09.2026
- Deliver 2nd line technical support across hybrid on-premises Active Directory and Azure AD environment, resolving escalated identity, email, and collaboration incidents to ensure high SLA compliance.
- Partner with 1st and 3rd line teams to diagnose complex technical issues, establishing root-cause fixes that improve overall first-time-fix metrics.
- Oversaw identity and access management across hybrid AD/Azure AD, managing user administration, Group Policy, and Azure AD Connect synchronisation troubleshooting to enhance security and access control.
- Administer Microsoft Intune for fleet device management, developing and enforcing compliance policies, configuration profiles, and application deployments for corporate and external endpoints.
- Lead email security operations via Mimecast, conducting threat remediation, spam/phishing triage, mail flow troubleshooting, and policy configuration to reduce inbound email risks.
- Support endpoint security posture using WithSecure (F-Secure), investigating security alerts and coordinating mitigation efforts across technical teams.
- Utilise KACE for IT asset management, software distribution, and automated patch deployment, increasing visibility over the device estate and accelerating ticket resolution rates.
- Managed Palo Alto Firewalls for remote access, configuring and troubleshooting VPN connectivity to ensure secure connections for remote workers and external devices.
- Maintain Rubrik 365 backup and restoration procedures for Microsoft 365 environments, monitoring job execution and carrying out point-in-time restores for critical business data.
- Act as Vulnerability Administrator, conducting periodic scans, triaging findings, and collaborating with cross-functional engineering teams to remediate system exposure.
- Supported compliance audits and implemented technical controls, contributing to maintenance of company-wide Cyber Essentials certification.
- Delivered excellent customer service by responding to and resolving technical issues.
Network Administrator
Bonus Pastor Catholic College
Bromley, Kent
09.2014 - 12.2022
- Administered Azure AD, Windows Servers, Sophos Antivirus, and Group Policies, ensuring secure system backups.
- Monitored and maintained school-wide network infrastructure, servers, and cloud environment, providing timely multi-tiered support to staff and students.
- Executed full lifecycle hardware/software upgrades, diagnostic testing, and system optimisation to minimise service interruptions.
- Supervised IT staff whilst managing specialised educational databases (Bromcom, 4matrix, Schoolvue, Schoolcloud) and preparing regulatory reporting census data.
Senior Engineering Technician
Babcock International Group
Lewisham, London
09.2012 - 08.2014
- Delivered comprehensive technical support (1st, 2nd, and 3rd line) for network servers (Windows 2003/2008/2012, Exchange, SQL) and MIS infrastructure, ensuring high availability and reliability.
- Performed system maintenance, fault finding, and software upgrades while implementing network security measures to mitigate risks.
- Improved overall functionality by upgrading existing systems.
- Undertook responsibility for preventative maintenance operations; improving machine longevity.
- Performed rigorous quality control checks, guaranteeing top-tier results.
IT Manager
Bonus Pastor Catholic College
Bromley, Kent
10.2003 - 08.2012
- Managed IT operations and departmental budgets while leading team of IT Technicians to ensure effective service delivery.
- Designed and maintained network server infrastructure (Windows Server, Exchange, SQL) and ensured compliance with software licensing while supporting internet connectivity and e-Portal platforms.
- Refreshed outdated systems to enhance functionality and performance., reducing maintenance costs significantly while improving reliability and efficiency.
- Improved overall system performance through optimisation techniques. by implementing new software solutions.
- Developed user-friendly interfaces for internal applications; enhanced usability.
IT Support Analyst
GBIT IT Service Provider
Luton, Bedfordshire
06.2001 - 09.2003
- Provided helpdesk and on-site support for Windows environments (Windows 2000/NT/XP), effectively troubleshooting hardware and software faults to minimise downtime.
- Enhanced system functionality by troubleshooting hardware and software issues.
- Provisioned LAN/WAN network infrastructure, dialup connections, and firewalls to enhance network reliability and security.
- Collaborated with other departments on technology integration projects.
- Developed technical manuals for user guidance.
Education
Bachelor of Science (BSc) - Computer Information System Design
Kingston University
Kingston upon Thames 09.1997 - 06.2001
Diploma of Higher Education - Computer Studies
Lewisham College
LondonSkills
- Cloud identity management
- Cybersecurity compliance
- Networking & VPN: Palo Alto Firewalls, Remote Access VPN, Network Infrastructure Troubleshooting, Windows Server Administration
- Data Protection & Backups: Rubrik 365 Backup & Restore, Disaster Recovery, Backup Job Monitoring
- Endpoint systems management
- Disaster recovery planning
- Operational IT management
- Knowledge of helpdesk systems
- Stress resilience
Affiliations
- Chairman, British Tamils Cricket League
- Secretary, Croydon Academy of Eastern Arts
- Founder Member & Manager, Lewisham Cricket Club
- Radio Presenter - London Tamil Radio
Accomplishments
League Legend Award Winner – Kent Cricket Board
Recognised in the “League Legend” category for outstanding contribution to Lewisham Cricket Club Tamils and for supporting the growth and development of grassroots cricket within the British Tamil community in the UK.
Timeline
IT 2nd Line Support Analyst
Frankham Consultancy Group
01.2023 - 09.2026
Network Administrator
Bonus Pastor Catholic College
09.2014 - 12.2022
Senior Engineering Technician
Babcock International Group
09.2012 - 08.2014
IT Manager
Bonus Pastor Catholic College
10.2003 - 08.2012
IT Support Analyst
GBIT IT Service Provider
06.2001 - 09.2003
Bachelor of Science (BSc) - Computer Information System Design
Kingston University
09.1997 - 06.2001
Diploma of Higher Education - Computer Studies
Lewisham College