A Prem
Chennai
Summary
Cloud & Infrastructure Administrator with 3+ years of experience managing Linux servers, AWS environments, enterprise firewalls, and Microsoft 365 infrastructure. Red Hat Certified System Administrator (RHCSA) with strong expertise in RHEL systems, LVM management, system hardening, and network security. Proven track record of optimizing performance, strengthening security, and supporting 100+ users in production environments.
Overview
3
3
years of professional experience
2
2
Certifications
Work History
Network Administrator - AWS
Human Xpert India Pvt Ltd
Chennai
02.2025 - Current
- Manage complete IT infrastructure including network architecture, IP planning, and performance monitoring.
- Designed and deployed a US-region proxy solution in AWS using EC2 and VPC architecture supporting 100+ users.
- Configured and maintained Sophos XGS firewall including NAT, VPN, web filtering, and security policies.
- Established secure IPSec tunnel between AWS and on-prem Sophos firewall for remote workforce access.
- Administer Microsoft 365 environment including onboarding, compliance policies, and access governance.
- Implemented enterprise password management solution (1Password).
- Maintain detailed documentation including SOPs, network diagrams, and infra change logs.
Linux/System Administrator
Kadamba Technologies Pvt Ltd
Trichy
04.2024 - 02.2025
- Managed Ubuntu and CentOS servers including storage allocation and security hardening.
- Performed OS installations, patching, and preventive maintenance.
- Executed AWS cost optimization by identifying and removing unused, and redundant resources.
- Monitored Fortinet Firewall health, system status, and performance metrics.
- Hosted and managed web applications on IIS (Internet Information Services), including configuration, deployment, and troubleshooting.
- Configured SQL database replication from live production servers to testing servers for development and QA.
- Maintained inventory of hardware assets including servers, laptops, and desktops.
- Conducted regular system backups and disaster recovery operations, minimizing data loss during critical failures.
Junior System Administrator
Ducima Analytics Pvt Ltd
Chennai
02.2023 - 03.2024
- Configured, administered, and supported Windows and Linux operating systems.
- Managed networked systems, hardware, software applications, and user environments.
- Ensured data security, backup schedules, and recovery processes.
- Administered user access, credentials, and secrets management using Zoho Vault.
- Performed OS installation, patch management, updates, and system maintenance.
- Provided L1/L2 system support, troubleshooting performance, access, and configuration issues.
Education
Bachelor of Arts - Commerce
DG Vaishnav COllege of Arts & Science
Chennai04-2020
Skills
- RedHat 10 System Administrator
- Network Administrator
- Linux Administration
- Google sheets
- MS Excel
- AWS management
- Ticketing
- Firewall configuration
- Microsoft 365 administration
Websites
Hobbies and Interests
- Badminton
- Travel
- Motorcycle riding
- Stock market
- Information technology
Languages
English
Proficient (C2)
C2
Tamil
Native
Native
Telugu
Proficient (C2)
C2
kannada
Upper Intermediate (B2)
B2
Hindi
Intermediate (B1)
B1
Certification
Red Hat Certified System Administrator (RHCSA) – Red Hat
Timeline
Network Administrator - AWS
Human Xpert India Pvt Ltd
02.2025 - Current
Linux/System Administrator
Kadamba Technologies Pvt Ltd
04.2024 - 02.2025
Junior System Administrator
Ducima Analytics Pvt Ltd
02.2023 - 03.2024
Bachelor of Arts - Commerce
DG Vaishnav COllege of Arts & Science