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
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