Summary
Overview
Work History
Education
Skills
Certification
Personal Information
Languages
Disclaimer
Timeline
Generic
SHARON DAVIS

SHARON DAVIS

Summary

Looking for a challenging career with a reputed organization, which demands the best of my professional ability in terms of System Administration, AWS Administration, Hardware & Networking and Desktop support, where I have good scope for broadening and enhancing my current skills and to gain knowledge to grow with the organization.

Overview

11
11
years of professional experience
4
4

Certifications

Work History

System Administrator

Al Sulaimi Technical Enterprise & Business
Muscat
04.2016 - 04.2024
  • Configured and maintained system hardware, software and network components.
  • Created user accounts and managed access rights for users.
  • Implemented security measures such as firewalls, antivirus programs.
  • Performed regular backups of critical data and documents.
  • Troubleshot application errors and provided technical support to end-users.
  • Deployed operating systems upgrades and security patching in accordance with IT policies.
  • Installed, tested and evaluated new systems, applications and patches.
  • Monitored system performance to ensure optimal operations and identified potential issues.
  • Maintained inventory of hardware assets including servers, laptops, desktops.
  • Monitored application and print servers, rapidly responding to faults and malfunctions.
  • Troubleshot and resolved printer hardware and software issues.
  • Investigated suspicious network activity to identify possible threats or vulnerabilities.
  • Performed regular maintenance of firewalls to ensure optimal performance.
  • Identified potential vulnerabilities within existing firewall configurations.
  • Managed user accounts, permissions, privileges, authentication protocols, encryption keys.
  • Conferred with network users about solutions to existing system problems.
  • Planned, tested and supported high-availability infrastructures.
  • Diagnosed, troubleshot and resolved hardware and system problems.
  • Configured, monitored and maintained email applications or virus protection software.
  • Analyzed intricate server issues and supported large enterprise and business-critical applications.
  • Kept flexible schedule and resolved after-hours and weekend emergencies quickly and accurately.
  • Designed, configured and tested computer hardware and operating system software.
  • Installed security software to protect networks.
  • Installed firewalls and antivirus software to improve cybersecurity.
  • Created online documentation to help employees resolve day-to-day issues.
  • Decreased spam with firewall filtering and real-time spam black lists for incoming emails.
  • Monitored system performance to ensure availability of all services and systems to authorized users.
  • Conducted routine maintenance tasks such as patching cables, replacing defective components or reconfiguring equipment.
  • Configured and maintained routers, switches, firewalls, wireless networks and other network devices.
  • Provided technical support for local area networks, wide area networks and Internet connections.
  • Performed data backup operations on a regular basis to ensure the security of critical information.
  • Resolved complex problems related to LAN, WAN systems, TCP, IP protocols, DNS, DHCP, VPNs.
  • Assisted in troubleshooting network connectivity issues related to DNS, DHCP and TCP and IP configuration.
  • Resolved network connectivity problems by troubleshooting DNS configurations.
  • Troubleshot networking problems such as IP addressing, DNS resolution, DHCP server configuration.
  • Administered Active Directory services such as Domain Controllers, DNS and DHCP Servers.
  • Performed installation and configuration of Windows Server 2008 R2, 2012, 2016 operating systems, Active Directory, DNS, DHCP, Group Policy Objects, Hyper-V, IIS and Clustering.
  • Configured and maintained Windows Server 2003, 2008, 2012 environment including Active Directory and DNS services.
  • Configured network services such as DNS, DHCP, NFS, FTP, SSH and web servers.
  • Configured network settings such as IP addressing, DNS records, and DHCP reservations.
  • Resolved networking issues by configuring routers, switches, VLANs, DNS servers.
  • Developed and implemented AWS cloud-based solutions to meet customer requirements.
  • Monitored, configured, and managed EC2 instances for optimal performance.
  • Implemented auto-scaling strategies to ensure high availability of services.
  • Managed storage options including S3 buckets and Glacier archives.
  • Installed and configured VPCs, subnets, gateways, NATs, VPNs, and security groups.
  • Monitored network performance to determine adjustments needed.

System Support Engineer

Micro Hard Service Pvt.Ltd
Bengaluru
01.2013 - 03.2016
  • Configured and installed operating systems, software, and hardware components.
  • Repaired malfunctioning hardware components such as CPUs, RAM modules, hard drives.
  • Provided technical support for users with varying levels of expertise.
  • Analyzed customer requirements for specific projects related to system support activities.
  • Performed regular maintenance on computer systems such as updating drivers and antivirus programs.
  • Tested computer systems and networks to diagnose problems and implemented solutions.
  • Maintained inventory records of hardware components, including serial numbers and warranty information.
  • Created user accounts and configured access privileges in accordance with security protocols.
  • Monitored and maintained network, server and peripheral equipment, diagnosing surfaced IT issue root causes.
  • Configured and maintained network devices, including routers, switches, and firewalls.
  • Developed and maintained detailed documentation of common issues and solutions to enhance knowledge base.
  • Optimized system configurations for maximum performance and reliability.
  • Managed ticketing system, ensuring all support requests were addressed in accordance with SLAs.
  • Diagnosed and resolved technical issues for clients in a timely manner, ensuring minimal downtime.
  • Conducted root cause analysis for recurring problems to prevent future occurrences.
  • Assisted in the deployment of new software applications and hardware systems.
  • Conducted regular system maintenance and updates to prevent potential issues.
  • Handled troubleshooting tasks for Local Area Networks, Wide Area Networks, and voice systems to reduce network connectivity problems.
  • Investigated suspicious network activity to identify possible threats or vulnerabilities.
  • Provided technical support to end users in resolving wireless connectivity issues.
  • Configured, monitored, and troubleshot wireless LANs and access points.
  • Developed and implemented network requirements for WiFi networks.
  • Resolved complex technical problems escalated from junior administrators or help desk staff.
  • Created system backups with Symantec Backup Exec tool for disaster recovery purposes.
  • Performed regular maintenance activities such as disk defragmentation and disk clean up operations on servers.
  • Deployed patches and updates to all Windows Servers using WSUS or SCCM tools.
  • Managed user access rights and privileges according to organizational policies and procedures.
  • Provided technical support for resolving network connectivity issues between servers and clients.

Education

Bachelor of Engineering in Computer Science -

HMS Institute of Technology

Secondary Education -

CBSE

Skills

  • Proficiency in Windows Server, Windows OS, Remote Applications, AWS
  • Configuring and troubleshooting ADDS, ADCS, ADRMS
  • Configuration and troubleshooting of LAN / WAN / VLAN /WLAN APs / VPN
  • Thorough knowledge in the hardware part, Firewall & Intrusion prevention
  • Excellent in troubleshooting connectivity and network issues
  • Hands on experience in Desktop Support
  • Installation, configuration & troubleshooting Network printers, sharing printers, scanners, plotters and all in one machines
  • Microsoft OS & Server level, TCP IP, Understanding of IP range/Classification
  • Maintenance and up keeping of switches, Router
  • Identification and fixing of cable and switch related issues & Crimping or punching the defective connectors

Certification

  • Microsoft Certified IT Professional Server Administrator on Windows Server 2008 (Certification No:E036-3845)
  • Microsoft Certified Solution Associate Windows server 2008 (Certification No:E036-3847)
  • Microsoft Certified Technology Specialist Windows Server 2008 Network Infrastructure & Configuration (Certification No:E034-0478)
  • Windows Server 2008 Active Directory & Configuration (Certification No:E026-3774)

Personal Information

  • Father's Name : Davis K J
  • Date of Birth : 11/15/89
  • Gender : Male
  • Mother Tongue : Malayalam
  • Nationality : Indian

Languages

  • English
  • Hindi
  • Malayalam
  • Kannada

Disclaimer

I hereby declare that the above mentioned details are true and correct to the best of my belief and knowledge.

Timeline

System Administrator

Al Sulaimi Technical Enterprise & Business
04.2016 - 04.2024

System Support Engineer

Micro Hard Service Pvt.Ltd
01.2013 - 03.2016

Bachelor of Engineering in Computer Science -

HMS Institute of Technology

Secondary Education -

CBSE
SHARON DAVIS