Senior System Administrator
NANOSOFT IT SOLUTIONS PTE. LTD. · Singapore ·
- Seniority
- Senior
- Category
- Devops
- Delivered twenty-four hour support for all technology infrastructure needs and issues, for environment including 5 Windows and 8 Linux based servers and 200 desktops and laptops (Windows, MAC and Linux) across three regional offices
- Efficiently implemented network file sharing by configuring NFS to share files and resources across the network
- Managing corn jobs, at Jobs, batch processing and job scheduling
- Hands on experience in protocols such as TCP/IP, DHCP, HTTP, SMTP, SSH, FTP
- Installed and configured SSH, SFTP, Managed email (Postfix and Sendmail), LDAP
- Installed Apache, IIS and configured Virtual hosts and also experience applying SSL certs for websites, CSR generation
- Installation of SAMBA utility software
- Create File systems using Logical Volume Management (LVM), LV Extend and Reduce
- Linux kernel, memory upgrades and swaps area and performed Red hat Linux Kickstart installations
- Provided systems and server management and oversight and resolution of network/connectivity and software issues for local and remote users
- Worked with Server OS performing setup, maintenance and troubleshooting for 2000, 2003, 2008, Responsible for building, configuring, and supporting workstations and servers.
- Performed hardware builds (upgrades and new machines), set up offsite backup systems, and contributed to system migrations
- Good hands on experience in building/managing Virtual Machines in Oracle and VMware virtual environments
- Experience in Windows Domain Controller, Active Directory configuration, users and group creation and management, folder permissions, network sharing, backup and maintenance
- Responsible for implementing and supporting Microsoft Office (2000, 2007, 2010) technologies
- Responsible for LAN/WAN administration and support
- Responsible upgraded and maintenance of server hardware components as per requirement.
- Worked with different hardware and software vendors to troubleshoot the hardware and software problems.
- Strong technical knowledge on Domain(Maintain and updating Domains CName and A Records in Godaddy.com, securepaynet.net, Net4in, Hostgator)
- Installed, configured and managed databases MS SQL 2000/2005 Server on Windows