SATHISH KUMAR
Holland CL
Summary
Effectively plan, install & configure and optimize the IT infrastructure to consistently achieve high availability and performance. Proven ability to create and deliver solutions tied to business growth, organizational development, and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects, and teams in a range of IT environments. Flexible Network Engineer with exceptional insight when troubleshooting routers, switches and firewalls. A motivated employee with expertise supporting the choice and purchase of hardware and software components. Highly-motivated employee with desire to take on new challenges. Strong work ethic, adaptability, and exceptional interpersonal skills. Adept at working effectively unsupervised and quickly mastering new skills. Analytical Systems Engineer with hands-on experience in areas of system administration, implementation and support. Knowledgeable and seasoned professional recognized for outstanding maintenance and troubleshooting abilities coupled with solid experience in various application stacks. Dedicated to implementing innovative solutions to solve technical challenges.
Overview
13
13
years of professional experience
Work History
Network Engineer
SINGAPORE TELECOMMUNICATIONS PTE LTD
Singapore
01.2022 - 01.2024
- Managing the operation team, monitoring the platform for stability, security and performance of 400+ Window servers, 50+ network devices (Nokia Router, Nokia Switches, Cisco switches, FortiGate and Palo Alto Firewall.
- Managing Active Directory, DNS, DHCP services for the Production platform.
- Responsible for performing and reviewing the security patches and firmware patches.
- Performed vulnerability assessment security scan and security audit using Nessus.
- Managed and performed security patching on window servers, real time scan and signature update by using the WSUS and SCCM.
- Administration for Beyond Trust PIAM (Physical identity and access management) system to manage the centralized authentication.
- Developed the script to automate the Anti-Virus scanning of 400+ servers.
- Used different monitoring tools such as Cacti, Nagios, MRTG, SCOM.
- Ensures that system hardware, operating systems, software systems and related procedure adhere to organizational values.
- Provide Level 2 support on any technical related issue in resolving various kinds of system, Servers, and Firewall devices.
- Worked on the integration of LCS (Log consolidation system) with IPTV networks for capturing the security, system and event logs Conduct backup and restore database quarterly exercise.
- Networking and security engineering with strong hands-on experience in network and security appliances.
- Extensive knowledge in configuring and deploying Next Generation Firewall, including FortiGate and Palo Alto Firewall NAT policies and Security Profiles.
- Expert-level working knowledge on Wireless Infrastructure APs, Switches, and Routers.
- In knowledge of routing protocols like OSPF.
- EIGRP and static routing.
- Knowledge of MPLS and MPLS VPN.
- Expertise in installing, configuring, and troubleshooting Windows Server.
- Excellent client/customer management, problem-solving, and troubleshooting skills with good communication skills.
- Production live servers KB patching and monitoring, handling more than 400+ physical servers and 50 VM servers.
- Monitoring Data Center devices and troubleshooting critical issues to raise the ticket to vendors.
- Hands of experience in SIEM, SolarWinds monitoring tool, SCOM, and SCCM.
- I has support service and system implementation to support Singtel's IPTV and OTT services.
- Two, I has perform operation support and service recovery of the services.
- In the implementation function, I have supported channels launch for Singtel's IPTV and OTT services (e.g Women's World Cup 2023, Asian Games 2023), critical and major system and new service upgrade program that is currently on-going project
- I have ensured that all changes are carried out with quality, on time, and no unexpected impact on customers.
- For the operation support function, I'm responsible for monitoring the performance, reliability, and availability of IPTV and OTT systems, applications, and features. I ensure that Singtel IPTV and OTT service availability is up at all times, including events of high viewership.
- During IPTV or OTT service recovery, I have provided more in-depth troubleshooting together with the team to recover the service swiftly with the Singtel IPTV Engineering & Operation team, which is a valuable skill set for the team.
- Configured and maintained network hardware, including routers, switches, firewalls, and wireless access points.
- Monitored network performance and troubleshooted any issues that arose.
- Assisted in the design of local area networks and wide area networks.
- Installed software updates on servers, routers, firewalls, and other network devices.
- Developed policies for using and managing computer networks.
- Provided technical support to users experiencing difficulties with their networks.
- Implemented security measures to protect data from unauthorized access or destruction.
- Created documentation detailing all aspects of the network infrastructure and its configuration.
- Conducted regular system audits to ensure compliance with established standards.
- Evaluated new technologies for possible implementation into existing systems.
- Configured routers, switches, firewalls and other hardware to deploy and manage LAN, WAN and wireless networks.
- Monitored system performance to promote network speed, availability and reliability.
- Replaced faulty or damaged network hardware components to improve performance.
- Implemented, tested, validated and maintained networking services according to solution designs.
- Corrected network faults and malfunctions to restore connectivity to individual users and entire facilities.
- Performed preventive maintenance of networking hardware and related software.
- Managed IP addressing and subnetting, ensuring efficient network operation and connectivity.
- Evaluated new technology and network products for potential benefits to the organization.
- Utilized network management tools for monitoring, configuration management, and issue resolution.
- Conducted network vulnerability scans and remediation efforts to mitigate risks and ensure compliance with security policies.
- Monitored network usage and capacity to forecast future requirements and plan for expansions.
- Administered network policies, procedures, and standards to align with organizational goals and security requirements.
- Collaborated with cross-functional teams to support network infrastructure for critical projects and initiatives.
- Collaborated with IT security teams to enforce cybersecurity measures and respond to incidents promptly.
- Provided technical support and guidance to users and junior network engineers, enhancing team knowledge and efficiency.
- Configured and installed network hardware including routers, switches, and firewalls to enhance security and performance.
- Conducted regular network performance tests and monitoring to ensure high availability and reliability.
IT Engineer
WITFLUX ENGINEERING PTE LTD
Singapore
12.2020 - 12.2021
- Responsible for designing, implementation, troubleshooting, monitoring, maintaining
- and administration Head and Branch Office network infrastructure for LAN / WAN
- Network, Firewalls, VPN, routers, switches, wireless access points, WLC, Window
- servers.
- Hands-on experienced with Cisco, Meraki, SonicWALL Firewall, switches, routers,
- firewall as well as other various products for networking peripherals and IP- VPN,
- International leased line circuit.
- Troubleshoot and isolate router, Firewall, network issues as level 2 support.
- Design and maintain Network Infrastructure and release IP scopes.
- Firewall rules Management (creation/modification/ deletion) by following change
- management process and network security system.
- Plan and perform the Firewall upgrades, server patching and other security updates
- on network devices and Window servers.
- Wireless AP / Client Setup and Configuration.
- Administration & troubleshooting on Domain environments (VMs).
- Managing and maintaining cabling, CCTV network, PABX system.
- Experience in Data Centre environments and infrastructure.
- 24/7 maintenance onsite support (Network equipment and circuit issues).
- Troubleshooting system and network problems, diagnosed, and solved hardware or software faults, replaced parts as required
- Performed Software and Hardware troubleshooting Computers, laptops, Printers and other network devices like AP's, Extension
- Installed and configured computer hardware operating systems and applications
- Monitored and maintained computer systems and networks
- Coordinated staff or clients through a series of actions, either face-to-face or over the phone, to help set up systems or resolve issues
- FortiGate firewall user creation and group creation, network monitoring, user monitoring.
- Experience Active Directory handling group policy user account attributes permission
- Create group policy and add used to the Particular group Policy
- Switches and APs are configured, managing controller switch, and monitoring all the APs are connected into Switches
- Provide Support including Procedural documentation and relevant reports
- Apply OS Patches and upgrades on a regular basis
- Use thirty party tools to recover deleted data from the HDD
- Perform daily backup operations, ensuring all required files system and system data are successfully backed up to the appropriate media
- Manage, configure, and install new feature firmware on new/existing firewalls/ manage switches and wireless access points
- Work with service Provider as per requirement by our management to add new services or troubleshooting issues
- Followed diagrams and written instructions to repair a fault or set up a system
- Had set up new user's accounts and profiles and deal with password issues
- Worked continuously on a task until completion (or referral to third parties, if appropriate)
- Configure and troubleshoot the Printers, scanners, and other networking devices
- Perform Virus and Malware Removal Procedure
- Pioneered new ideas for the Computer Security Personnel's policies and procedures on equipment within a Sensitive Compartmented Information Facility (SCIF)
- Supported network engineers in hands-on projects which involved installing and testing various network media
- Provided server and computer protection from viruses using the Symantec Security Centre and Norton Anti-Virus Security System
- Researched solutions from various sources and applied documented procedures to resolve hardware and software issues for internal and external customers
- Using Microsoft Network Monitoring tool, to monitor and check all the Packets are received.
- Performed troubleshooting and maintenance of hardware and software components, including servers, routers, switches, firewalls, and other network devices.
- Configured and maintained Windows Server 2008, 2012, 2016 operating systems.
- Implemented security measures such as patching systems regularly and setting up user authentication protocols.
- Installed new hardware and software solutions in accordance with company standards.
- Developed policies and procedures related to the use of computer networks.
- Evaluated current IT infrastructure to identify areas that need improvement or upgrade.
- Diagnosed complex networking problems through root cause analysis techniques.
- Reviewed existing documentation related to IT operations and updated them accordingly.
- Drafted cabling and network configuration diagrams, illustrating plans to create repeatable, consistent infrastructures for multi-site facilities.
- Provided technical support in root cause failure analysis for significant production issues and investigations.
- Completed scheduled services and installations, preventive maintenance and calibration.
- Performed troubleshooting duties and provided server management expertise via remote and in-person interactions.
- Utilized routine preventive measures by maintaining security software and firewalls.
- Assisted with implementation and management of quality assurance efforts.
- Managed the installation, maintenance, and troubleshooting of network systems and hardware.
- Optimized system performance through continuous monitoring and advanced tuning techniques.
- Recorded systems information and documented design specifications and installation instructions.
System Engineer
HANDAL INDAH SDN BHD.
Singapore
10.2015 - 12.2020
- · Installed and configured computer hardware operating systems and applications.
- · Monitored and maintained computer systems and networks.
- · Coordinated staff or clients through a series of actions, either face-to-face or over the phone, to help set up systems or resolve issues.
- · Performed software and hardware troubleshooting for computers, laptops, printers and networking equipment.
- · Troubleshooted system and network problems, diagnosed and solved hardware or software faults, replaced parts as required.
- · Provided support, including procedural documentation and relevant reports.
- · Followed diagrams and written instructions to repair a fault or set up a system to support the roll-out of new applications.
- · Had set up new users' accounts and profiles and password issues.
- · Responded within agreed time limits to call-outs.
- · Worked continuously on a task until completion (or referral to third parties, if appropriate).
- · Prioritized and managed many open cases on parallel.
- · Initiate and complete Microsoft Windows server operating system updates.
- · Network with LAN/WAN and active directory for continuous company connection.
- Performed system upgrades, patching, security hardening and monitoring of systems.
- Troubleshooted and resolved hardware, software, network and storage related issues.
- Provided technical guidance to team members for system administration tasks.
- Configured networking components such as routers, switches, firewalls according to best practices.
- Managed user accounts on the domain controller using Active Directory services and Group Policy Objects.
- Monitored server performance metrics such as CPU utilization, memory usage using various tools.
- Analyzed system logs to identify potential issues or bottlenecks in order to take corrective action in a timely manner.
- Performed periodic backups of data stored in file servers using disk-based backup solutions like Symantec Backup Exec or Windows Server Backup Tools.
- Ensured compliance with industry standards by implementing appropriate security measures such as antivirus installation and updating virus definitions regularly on all systems within the organization's network perimeter.
- Created detailed documentation of existing IT infrastructure including network diagrams, IP address schemes.
- Resolved escalated incidents reported by users involving application failures or other IT related issues promptly.
- Maintained inventory records of hardware assets deployed across multiple sites along with their respective configurations and warranty information.
- Handled troubleshooting for software and hardware and promptly resolved issues.
- Handled troubleshooting tasks for Local Area Networks, Wide Area Networks, and voice systems to reduce network connectivity problems.
- Provided status updates to keep upper management informed and to reach goals.
Systems Engineer
GLOBAL TELESYSTEMS LTD.
Kochi
07.2011 - 08.2015
- · Installed and configured computer hardware operating systems and
- applications. Monitored and maintained computer systems and networks.
- · Responsible for the maintenance and repair of routers, switches, and backup systems integral to network functionality.
- · Performed software and hardware troubleshooting for computers, laptops, printers and networking equipment.
- · Troubleshooted system and network problems, diagnosed and solved hardware or software faults, replaced parts as required.
- · Assisted in the maintenance throughout the network environment to maintain a secure system.
- · Served as the Microsoft Windows desktop operating system resource person to quickly address complex user issues.
- Performed configuration testing of antivirus software in a networked environment.
- Developed and maintained system documentation, including installation procedures, operational guidelines, and user manuals.
- Configured and monitored network devices such as routers, switches, firewalls, and wireless access points.
- Installed and configured server hardware components such as processors, memory modules, hard drives, RAID controllers, power supplies.
- Performed software installations of Windows Server operating systems and applications.
- Troubleshooted technical issues related to servers, networks, storage systems, virtualization platforms and other IT infrastructure components.
- Monitored system performance using various tools and techniques to identify potential problems before they occur.
- Implemented security measures to protect data from unauthorized access or malicious attacks.
- Provided technical support for end-users by troubleshooting hardware and software issues remotely or onsite.
- Deployed patch updates to address identified vulnerabilities in the environment.
- Analyzed system logs to detect any irregularities that may indicate a problem with the system or its components.
- Maintained inventory records of all installed hardware and software components in the environment.
- Assisted in setting up new users accounts in Active Directory and provided them with necessary permissions for accessing resources on the network.
- Ensured compliance with company policies regarding security standards for all systems within the environment.
- Upgraded existing hardware and software components when needed according to best practices.
- Managed backups of critical data stored on servers using disk-to-disk technology.
Education
Master of Science - Computer Application
ANNA UNIVERSITY
Tiruchirappalli05-2011
Bachelor of Science - Computer Application
BHARATHIDASAN UNIVERSITY
Tiruchirappalli05-2008
Skills
- Risk Assessment
- Technical Troubleshooting
- Access Control
- Infrastructure planning and design
- Performance Improvement
- Documentation Writing
- IP Addressing and Subnetting
- Network Performance Analysis
- Technical Support
- Active Directory knowledge
- Equipment Configuration
- Cisco wireless routers and switches
- Network configuration
- Network Security
- Infrastructure Planning
- Connectivity troubleshooting
- Hardware Installation
Personal Information
- Date of Birth: 07/20/1987
- Nationality: Indian
- Marital Status: MARRIED
References
- ASHOK, Singtel, 97306891
- JOHN HO, Singtel, 97727913
Timeline
Network Engineer
SINGAPORE TELECOMMUNICATIONS PTE LTD
01.2022 - 01.2024
IT Engineer
WITFLUX ENGINEERING PTE LTD
12.2020 - 12.2021
System Engineer
HANDAL INDAH SDN BHD.
10.2015 - 12.2020
Systems Engineer
GLOBAL TELESYSTEMS LTD.
07.2011 - 08.2015
Master of Science - Computer Application
ANNA UNIVERSITY
Bachelor of Science - Computer Application
BHARATHIDASAN UNIVERSITY
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