Arunlal A

Microsoft Azure & Office 365:

• Configured and managed Microsoft Azure, Office 365 (SharePoint, Security, Compliance, Exchange, Teams, Azure AD, Azure DevOps, SSO Integration, End-Point Management), and managed Microsoft licenses (E3, E5, E2).
• Implemented ISO 27001 certification as Security Audit focal point.
• Installed security and functionality patches to ensure optimal system protection and reliability.

Windows & Linux Server Management:

• Managed Windows Server 2019/2022 (AD, Group Policy, Security, Migration) and Linux Server (Ubuntu, Redhat).
• Administered web servers (Apache, Nginx, IIS) and SQL/MySQL Servers.

Network & Firewall Administration:

• Configured and managed firewalls (Sophos XG, SonicWall).
• Handled network troubleshooting and management for Cisco, TP-Link, and MikroTik routers and switches.

Vulnerability Assessment & Security:

• Conducted vulnerability assessments using Acunetix, Nessus, Kaspersky Endpoint Cloud, ZAP Proxy, and Burp Suite.
• Implemented proactive maintenance plans, reducing downtime and extending equipment lifespan.

IT Service Management:

• Managed Zoho Desk, Jira, and Zendesk for IT support and incident management.
• Monitored incident response and mitigation, improving issue resolution times.
• Streamlined onboarding/offboarding processes and supported new technology implementation with technical expertise and training.

Documentation & Troubleshooting:

• Created detailed system configuration documentation and best practices for simplified troubleshooting and maintenance.

Microsoft Azure & Office 365:

• Managed and configured Microsoft Azure Active Directory, Exchange Online, Security, SharePoint, Intune, and Microsoft Teams.
• Performed security administration and compliance management under ISO 27001 standards.

Windows Server & Networking:

• Configured and managed Windows Server 2016 (Active Directory, Group Policy, ADFS, HyperV).
• Managed and configured Cisco routers and switches (SG300, 2800, 2900) and MikroTik routers (RB3011UiAS-RM, CRS112/8P-4S-IN).
• Configured firewalls and security devices and VPN (SOPHOS XG, SOPHOS Central, SonicWall).
• Configured and manage HyperV and VMware.

Vulnerability Assessments:

• Conducted vulnerability assessments using Acunetix, Nessus, Kaspersky Endpoint Cloud, ZAP Proxy, and Burp Suite.

Cloud & DevOps:

• Managed Amazon Web Services (EC2, RDS, S3, Route 53, Load Balancers, Billing).
• Configured Docker containerization, Nginx proxy manager, Amazon ECR and ECS.
• Implemented Jenkins pipelines for CI/CD and version control management with Git.

Monitoring & Security:

• Administered Kaspersky Endpoint Security Cloud, Site 24x7, and Grafana for monitoring and incident response.
• Led anti-phishing simulations and security training sessions.

Support Systems & IT Tools:

• Administered IT support systems such as Zoho Desk and Jira for effective incident management.

Network Troubleshooting:

• Expert in network troubleshooting across Cisco, TP-Link, and MikroTik devices.

Network & Security Management:

• Established network specifications and analyzed workflow, access, information, and security requirements.
• Configured and managed Cisco routers and switches, ensuring efficient network performance.
• Installed and configured firewalls and security devices (SOPHOS XG, PfSense).
• Applied security and functionality patches to maintain system protection and reliability.

Windows & Server Administration:

• Managed Windows Server 2008, 2012, and 2016 (Active Directory, Group Policy, WDS, HyperV Manager, RDS, DNS, DHCP).
• Designed and implemented preventive maintenance schedules, minimizing downtime and hardware faults.
• Administered web servers (Apache, IIS) and managed software and hardware troubleshooting.

Vulnerability Management & Monitoring:

• Monitored server and network health using Zabbix and conducted ongoing maintenance.
• Created patches and solutions to address bugs in existing applications.

IT Infrastructure & Preventative Maintenance:

• Designed proactive maintenance strategies to prevent unnecessary downtime.
• Managed both server and network health monitoring, ensuring systems remained stable and secure.

• Training corporate employees in Microsoft principles and environments
• Hands-on training for CCNA, CCNP, and MCSE students
• Troubleshoot hardware and software problems
• Providing installation and maintenance services for desktop computers, networks (Cisco Routers & Swtichs) and laptops