SR

Sreerag Rajan

Security Engineer at Nanjgel Solutions FZ LLC

Dubai, United Arab Emirates

Work Experience

  • Security Engineer

    Nanjgel Solutions FZ LLC

    Feb 2020 - Present -5 yrs, 6 months

    • Job Details:Spearheading SIEM, PAM, ITM, ZTNA solution implementations, providing strategic security solutions to clients. Investigate security incidents across endpoints, networks, and applications and provide recommendations for remediation. Leverage threat intelligence feeds and integrate them with SIEM platform to enhance detection capabilities. Continuously tune and optimize security tools to improve detection and response times, minimizing false positives. Evaluating emerging threats and providing recommendations to strengthen security. Integration of logs from multiple security platforms to enhance security monitoring and streamline incident response processes. Comprehend customer requirements, analyze complex security environments and deliver strategic recommendations that align with their goals. Conceive and develop correlation and detection rules in SIEM systems to enable effective alerting. Perform software upgrades, updates and patches as needed. Handled managed SOC service for a semi-government entity in UAE managing a team of SOC analysts and providing technical guidance as needed.
  • Linux & Network Administrator

    Managed FZ LLC

    Jan 2014 - Feb 2020 -6 yrs, 1 month

    • Job Details:Setting up data center infrastructure and installation and configuration of security solutions for monitoring remote customer environments. Configured and administered VPN servers for secure data transfer. Coordinated with hosting providers and social media services for the removal of impersonating profiles and domains. Performed installation, configuration and administration of database servers and web servers. Monitoring the availability and performance of servers and network infrastructure using Nagios and Zabbix. Responsible for managing firewall and switch and DNS configurations. Created scripts for automating server initialization and data backups. Ensured business continuity by implementing system and application-level backups. Assisted development team in deployments and troubleshooting. Installed patches, hardware, software and firmware upgrades. Performed periodic vulnerability scans on customer assets.
  • Linux & Network Administrator

    Camerocks Technologies

    Dec 2011 - Oct 2013 -1 yr, 10 months

    India

    • Job Details:Designing, securing, and maintaining Linux web and database servers. Assisting developers with application deployments and troubleshooting. Configured and managed version control system. Monitoring application and server availability and performance. Ensuring data synchronization between remote and on-prem servers. Installed and administered web proxy and firewall for securing the office network.
  • Linux Administrator Trainee

    Spectrum Softtech Solutions

    May 2011 - Dec 2011 -7 months

    India

    • Job Details:Implementation of enterprise mail server using Qmail. Ensuring performance improvement and data redundancy using hardware RAID. Setup and maintenance of LAMP servers. Managing netfilter kernel firewall using iptables. Monitoring network usage by implementing proxy server using Squid.
  • Education

    • Bachelor's Degree in Computer Science and Engineering

      Govt. Engineering College

      Jan 2006 - Jan 2010 - 4 yr

    Skills

    • EDR
    • Windows Administration
    • Firewall Management
    • Network and system security
    • threat detection and analysis
    • Vulnerability Assessment
    • SIEM tools
    • PAM
    • ztna
    • FIM
    View More

    Languages

    • English

      Fluent
    • Malayalam

      Fluent
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