System Administrator | Specialist

Shreya Sharma

Dubai, United Arab Emirates
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About Candidate

Dynamic System Administrator with four years of experience managing complex IT infrastructures for reliability and security. Expert in Unix, Linux, and AIX systems, specializing in high-availability clustering, logical volume management, and server migration. Known for disaster recovery planning, virtualization optimization, and automation that enhances efficiency. Skilled in Microsoft 365 administration, secure data access, team collaboration, and regulatory compliance.

Education

B
Bachelor of Science 2020
Maharshi Dayanand University, Rohtak, Haryana

71.6%

Experiences

A
AIX/Linux System Administrator 2025-02-01 - 2025-08-01
CNS | Project: Dubai Health

Provided end-user support, resolving technical issues to maintain system uptime across the organization. Installed systems, software, and peripherals, enabling seamless accessibility for all team members. Managed AIX, Linux, and Windows, handling updates, patches, and regular operating system administration. Automated tasks with Ansible, Bash, and Shell, ensuring efficiency in daily IT processes. Oversaw IBM Power systems and HMC, securing consistent performance and hardware management. Supported virtualization with Hyper-V, Docker, AWS, and Azure, strengthening hybrid infrastructure deployment. Maintained PowerHA and GPFS clusters to ensure high availability and robust business continuity. Administered Active Directory and Microsoft 365, optimizing user accounts and secure access control. Enforced security protocols, managing firewalls, antivirus, and intrusion prevention for infrastructure safety.

S
Specialist 2021-04-01 - 2024-08-01
DCM Infotech Limited Delhi, India

Spearheaded end-to-end server migration projects across Windows, Linux, and AIX platforms with zero disruptions. Configured and managed high-availability clusters to ensure uninterrupted services during operational demands. Designed and executed secure data backup and recovery protocols, ensuring consistent integrity and accessibility. Optimized and maintained virtualized environments, enhancing resource utilization and ensuring scalability. Conducted logical volume management, resizing and creating file systems to support evolving requirements. Automated repetitive tasks using advanced scheduling tools significantly improve overall operational efficiency. Oversaw user account management, ensuring secure access and compliance with IT governance policies.

Skills

Capacity Planning
90%
System Documentation
92%
Logical Management
94%
Project Management
96%

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