Arunkumar Santhalingam
Chennai
Identity verified by DigiLocker
Contact details — on requestProof of Work — on request
Experience
C
IT Head
Citadelle-Solution · Jun 2025 – Present
- IT Project Management
- Cloud Infrastructure Management
- Odoo Functional Consulting & Implementation
- Port Security (Douala & Kribi) - CCTV Systems
- Project Design & Delivery
C
Head of Information Technology
citadelle solution · Jun 2025 – Present
- Project Port DlA , project Port kribi , project Airport.
IT Manager
HJ Hospitals, Kinshasa, DRC · Jun 2024 – May 2025
H
IT Manager
HJ Hospitals GROUP · Nov 2023 – May 2025
- Infrastructure Design: Designing and planning the physical infrastructure of data centers, including server racks, cooling systems, power distribution, and networking architecture
- Deployment and Maintenance: Installing, configuring, and maintaining hardware components such as servers, storage arrays, switches, and routers within the data center environment
- Virtualization Management: Implementing and managing virtualization technologies (e.g., VMware vSphere, Microsoft Hyper-V) to optimize resource utilization and facilitate workload consolidation
- Capacity Planning: Analyzing capacity and performance metrics to forecast future requirements and ensure that the data center infrastructure can support the organization's growth and operational needs
- Security Implementation: Implementing security measures to protect data center This may involve implementing firewalls, intrusion detection systems, and access controls
- Disaster Recovery Planning: Developing and implementing disaster recovery and business continuity plans to ensure data center resilience and minimize downtime in the event of disruptions or disasters
- Monitoring and Troubleshooting: Monitoring data center performance, diagnosing issues, and performing troubleshooting to identify and resolve hardware or software-related problems
- Ensuring compliance with relevant regulations, standards, and best practices
- System Integration: Integrating diverse IT systems, applications, and platforms to enable seamless communication and interoperability between different components within the IT infrastructure
- Collaboration and Project Management: Collaborating with various stakeholders, including IT teams, business units, vendors, and external partners, to plan, coordinate, and execute integration projects effectively
- This may involve project planning, resource allocation, and progress tracking
- Training and Support: Providing training and support to end-users and IT staff on integrated systems, ensuring smooth adoption and operation of new technologies and processes
- Documentation and Knowledge Sharing: Documenting integration processes, configurations, and best practices
N
Data Center Engineer
Nova Group Of companies · Dec 2023 – May 2024
S
IT Manager
Safricode Group Sarl · Sep 2018 – Oct 2023
- Audit security standards, implementing security guidelines and software standardization
- Develops implementation plans for dealing with more complex requests for change, evaluates risks to integrity of infrastructure inherent in proposed implementations, seeks authority for those activities, reviews the effectiveness of change implementation, suggests improvement to organizational procedures governing change management
- Leads the assessment, analysis, development, documentation, and implementation of changes based on requests for change
- Implemented new ERP (https://strategicerp.com/) to company successfully
- Modules handled
- Managing Azure VM, creating zones, azure web service
- Project Engineering, ERP admin, site management, contract management, purchase management, account payable and receivable, HR and payroll, finance management, plant and machinery, property management
- Built, lead, and manage a team of IT professionals; handled recruitments, day-to-day task management and performance appraisals
- Implemented Nagios monitoring server in centos os Linux
- Experienced in configuring Mikrotik router, tunneling, site to site vpn, IPsec, Address list, grp tunneling, bridge
- Installing and configuring matrix VoIP site to site VoIP configuring
- Handled resource allocations and set up job responsibilities in the IT department across the group
- Managed all IT projects through scoping, planning, resource allocation, setting and meeting deadlines, coordinating vendor and internal staff efforts
- Created and implemented policies and procedures to define and improve workflow and communication
- Designed and implemented multiple WAN circuit and data center builds and/or upgrades
- Negotiated contracts for all enterprise IT solutions
- Created, justified, and maintained budgets for multiple years Group Policy design and configuration
- Microsoft IIS administration and configuration
- Heading the IT Technical & Networking Team
- Handling Dell Technical/Sales Support, Warranty, for other groups
- Implementation of Backup Solutions (Symantec, Bacula, Veeam)
- Configuring & maintaining SAN, NAS Free NAS, Truenas, Synology, backup server
- New technology exploration for company benefits
- Configuring site to site tunneling
- Handling PFSENSE, Seqrite UTM firewall, Fortigate100D creating policy web filtering in all our groups
- Installing & configuring samba servers in centos in all our group companies
- LAN Routing and Switching design, configuration, and troubleshooting (VLANs, IP Subnetting, 802.1Q trunks)
- Strong communication and documentation skills
- Flexible and able to adapt to a rapidly changing environment
- Well experienced in installing Mikrotik & configuring WAN as well as in LAN
Information Technology Manager
Safricode · Jan 2018 – Oct 2023
- Audit security standards, implementing security guidelines and software
- standardization
- •
- Develops implementation plans for dealing with more complex requests for
- change, evaluates risks to integrity of infrastructure inherent in proposed
- implementations, seeks authority for those activities, reviews the effectiveness
- of change implementation, suggests improvement to organizational
- procedures governing change management
- •
- Leads the assessment, analysis, development, documentation, and
- implementation of changes based on requests for change
- •
- • Implemented new ERP (https://strategicerp.com/) to company successfully
- • Modules handled
- • Managing Azure VM, creating zones, azure web service
- Project Engineering, ERP admin, site management, contract management,
- purchase management, account payable and receivable, HR and payroll,
- finance management, plant and machinery, property management
- •
- Built, lead, and manage a team of IT professionals; handled recruitments,
- day-to-day task management and performance appraisals
- •
- • Implemented Nagios monitoring server in centos os Linux
- Experienced in configuring Mikrotik router, tunneling, site to site vpn, IPsec,
- Address list, grp tunneling, bridge
Technical Support Manager
MFI Document Solutions limited · Oct 2014 – Dec 2017
- • Call logging and follow up with vendor for Hardware and software related issues.
- • Worked on ticketing system tool, Resolving the issues within the specified SLA.
- • Remote support to the Remote Branches for the software & Hardware related issues.
- • Generating Daily and Monthly Call Reports for the virus and malware logs.
- • Performing routine audits of systems and software and File servers.
- • Taking weekly, Monthly and Quarterly Backups of Servers and Critical Data.
- • Adding Systems to Domain and Configuring profiles for Users.
- • Installing and configuring IBM Servers & windows 2008 and 2003 servers
- • Configuring Services Like DHCP, DNS, FTP, IIS, WDS.
- • Ensuring the proper planning for the activities to be done in the weekends.
- • Installation and monitoring Symantec antivirus in both server and client ends.
- • User rights permissions assignments of all domain resources.
- • Installation & configuration of mail clients like Microsoft Outlook for Users.
- • Repaired prototype multi-function printers and copiers used in software development.
- • Supported a fleet of constantly changing software development multifunction machines.
- • Installed and retrofitted new and existing machines.
- • Performed hardware and software upgrades as required.
- • Troubleshooting MS Outlook 2003, 2007 & 2010 and Personal Folders.
- • Troubleshooting Internet Explorer and Internet Proxy Settings.
- • Troubleshooting Wireless / LAN Network issues.
G
IT Technical Support Manager
GROUPMFI SUB-SHARAN AFRICA S.A.R.L · Nov 2014 – Jul 2017
- Sales & Marketing: Forecasting monthly/annual sales targets and executing them in each time frame thereby business planning, forecasting and analysis for assessment of revenue potential in business opportunities
- Identifying, exploring & penetrating new market segments by conceptualizing & effectuating innovative sales strategies
- Implementing pre/post launch sales promotional activities for brand building & market development
- Vendor Management: Maintaining relation with distributor for all the products
- As per the deal size negotiation on pricing
- Periodic monitoring the performance of each product to maintain partner level ship with all the OEM
- Team Management: Mentoring, motivating and guiding team members ensuring sales - business generation and achieving budgeted figures on Quarterly basis
- Training subordinates to develop requisite skills, conducting trainings on products, selling skills, lead prospecting, and closing skills
- Configuring Exchange server 2010 & 2013,2016
- Configuring high availability in 2013 exchange server
- Configuring Users, groups, group policy settings and security settings in Active Directory
- Managing Symantec Endpoint Protection Manager Server as well as in client computers
- Regular updating of Service Packs & Antivirus pattern files in Servers and Desktops
- Configuring and installing Hyper-V
- Call logging and follow up with vendor for Hardware and software related issues
- Worked on ticketing system tool, Resolving the issues within the specified SLA
- Remote support to the Remote Branches for the software & Hardware related issues
- Generating Daily and Monthly Call Reports for the virus and malware logs
- Performing routine audits of systems and software and File servers
- Taking weekly, Monthly and Quarterly Backups of servers and Critical Data
- Adding Systems to Domain and Configuring profiles for Users
- Installing and configuring IBM Servers & windows 2008 and 2003 servers
- Configuring Services Like DHCP, DNS, FTP, IIS, WDS
- Installing Hyper-V and creating guest operating system
- Ensuring the proper planning for the activities to be done in the weekends
- Installation and monitoring Symantec antivirus in both server and client ends
- User rights permissions assignments of all domain resources
- Installation & configuration of mail clients like Microsoft outlook for Users
T
System Administrator
Tech-india info-way Private Limited · Aug 2012 – Oct 2014
- Repaired prototype multi-function printers and copiers used in software development
- Supported a fleet of constantly changing software development multifunction machines
- Installed and retrofitted new and existing machines
- Configuring tally server and deploying to end user with remote location using RDP Cals in windows
- Performed hardware and software upgrades as required
- Troubleshooting MS Outlook 2003, 2007 & 2010 and Personal Folders
- Troubleshooting Internet Explorer and Internet Proxy Settings
- Troubleshooting Wireless / LAN Network issues
- Resolving issues for Onsite user's, giving support by using telephonic conversation
- Responsibility for documenting the configuration of the system
- Vendor Management like co-ordination with other parties to resolve the problems
- Installing, Configuring FORTINET firewall
- Configuring Users, groups, group policy settings and security settings in Active Directory
- Managing Seqrite Endpoint Protection Manager Server as well as in client computers
- Regular updating of Service Packs & Antivirus pattern files in Servers and Desktops
- Call logging and follow up with vendor for Hardware and software related issues
- Worked on ticketing system tool, Resolving the issues within the specified SLA
- Remote support to the Remote Branches for the software & Hardware related issues
- Working with a variety of Linux Services like: CENTOS 7, User management, Permission, Scheduling Corn tab, LVM, Patch Management, Linux minor OS upgrade, NFS, SE Linux
- Troubleshooting application related issues
- Generating Daily and Monthly Call Reports for the virus and malware logs
- Performing routine audits of systems and software and File servers
- Taking weekly, Monthly and Quarterly Backups of servers and Critical Data
- Adding Systems to Domain and Configuring profiles for Users
- Installing and configuring IBM Servers & windows 2008 and 2003 servers
- Configuring Services Like DHCP, DNS, FTP, IIS, WDS
system admin
techindia infoway pvt ltd · Aug 2012 – Aug 2014
- • Configuring Users, groups, group policy settings and security settings in Active Directory.
- • Managing Symantec Endpoint Protection Manager Server as well as in client computers.
- • Regular updating of Service Packs & Antivirus pattern files in Servers and Desktops.
- • Call logging and follow up with vendor for Hardware and software related issues.
- • Worked on ticketing system tool, Resolving the issues within the specified SLA.
- • Remote support to the Remote Branches for the software & Hardware related issues.
- • Generating Daily and Monthly Call Reports for the virus and malware logs.
- • Performing routine audits of systems and software and File servers.
- • Taking weekly, Monthly and Quarterly Backups of servers and Critical Data.
- • Adding Systems to Domain and Configuring profiles for Users.
- • Installing and configuring IBM Servers & windows 2008 and 2003 servers
- • Configuring Services Like DHCP, DNS, FTP, IIS, WDS.
- • Ensuring the proper planning for the activities to be done in the weekends.
- • Installation and monitoring Symantec antivirus in both server and client ends.
- • User rights permissions assignments of all domain resources.
- • Installation & configuration of mail clients like Microsoft Outlook for Users.
- • Troubleshooting MS Outlook 2003, 2007 & 2010 and2013 Personal Folders.
- • Troubleshooting Internet Explorer and Internet Proxy Settings.
- • Troubleshooting Wireless / LAN Network issues.
- • Resolving issues for Onsite user’s, giving support by using telephonic conversation.
- • Responsibility for documenting the configuration of the system.
- • Vendor Management like co-ordination with other parties to resolve the problems.
- • Installing, Configuring FORTINET firewall
P
system admin
pmm hospital · Feb 2011 – Jul 2012
- • Installing, Configuring Windows 2003 & 2008 Server with Active Directory services.
- • Creating, Managing and Maintaining AD User ID Accounts & reconciliation reports.
- • Daily Monitor Health Check and Disk utilization of all servers.
- • Managing and Monitoring of Active Directory like Adding, removing, or updating user account information, resetting passwords, etc.
- • Designing, planning and implementing Group Policy, delegation strategies and OU structure.
- • Regularly Monitoring Anti Virus Console and clean virus threat in affected machines
- • Applying operating system updates, patches, and configuration changes on all servers and desktops.
- • Implementing and Managing IP Addressing between different Networks.
- • Configuring Services like DNS, DHCP, FTP, IIS, WSUS.
- • Managing the Windows Deployment Server for Remote Installation.
- • Managing Active Directory Sites and Replications.
- • Responsibility for documenting the configuration of the system.
- • Servers performance tuning and Monitoring Hardware issues in the Sever.
- • Installing, Configuring CCTV,EBPX,FIRE ALARAM .
A
System Administrator
AUM HOSPITAL(PMM) · Feb 2011 – Jul 2012
- Installing, Configuring Windows 2003 & 2008 Server with AD services
- Clustering between two Application servers (HIS)
- Creating Vlan in cisco for different subnets in network
- Managing ERP HIS (Hospital management system) Aventtic, configuring for new client machine, Backing up database
- Part of IT Operation Team Coordinating with various technical teams
- Creating, Managing and Maintaining AD User ID Accounts & reconciliation reports
- Daily Monitor Health Check and Disk utilization of all servers
- Managing and Monitoring of Active Directory like Adding, removing, or updating user account information, resetting passwords, etc
- Designing, planning and implementing Group Policy, delegation strategies and OU structure
- Regularly Monitoring Anti-Virus Console and clean virus threat in affected machines
- Applying operating system updates, patches, and configuration changes on all servers and desktops
- Working with a variety of Windows Services like: Windows Server 2012, Print Server, User management, Permission, Patch Management
- Implementing and Managing IP Addressing between different Networks
- Installing, Configuring CCTV, EBPS, FIRE ALARAM
E
Service Engineer
ELECTRO CHANNEL · Aug 2010 – Jun 2011
- Installing and Updating Windows XP, Vista, Windows 7 & Service packs, 2003, 2008
- Installing and Updating Antivirus and its Definitions
- Troubleshooting System Boot up and Startup problems
- Installing and Up-gradation of Hardware and Software
- Troubleshooting Software and Hardware problems
- Installing and Updating Hardware drivers
- Cctv installation configuring
E
Service Technician
ESSAE ELECTRONIC · Jul 2009 – Jul 2010
- CIRCUIT BOARD TESTING & INSTRUMENTATION TROUBLESHOOTING
E
CIRCUIT BORD TESTING ENGINEER
ESSAE DIGITRONICS PVT LTD · May 2009 – Jun 2010
- • CIRCUIT BOARD & INSTRUMENTATION TROUBLESHOOTING
Proof of Work
Proof of Work
Arunkumar shares this with people who ask. You'll hear back either way.
Contact details
Contact details
Arunkumar shares this with people who ask. You'll hear back either way.
Ask about this candidate
AI responses may contain errors. Proof status and source information are provided by Proof of Skill.
A Proof CV — one profile, kept current, with the proof attached. Back to the portal