Raja Mohan Sivaraman
Abu Dhabi,United Arab Emirates
Summary
Innovative IT Network and Security Solution Architect with in-depth understanding of business services deployment and system design illustrated over 13 years of experience in similar roles.
Overview
18
18
years of professional experience
Work History
Infra Solution Architect - Network and Security
KATIM LLC
Abu Dhabi, UAE
01.2019 - Current
- Directed and implemented government entity (MOPA, MOD, PC, TPO) DC infra Network Security stack built.
- Over saw cloud network design, documentation and site built
- Over saw private cloud built via existing CISCO ACI infrastructure.
- Conduct periodic research to evaluate security design and process efficiency.
- Directed in-house project scope, schedule, status and documentation.
- Over saw private cloud security stack built
- Implemented hybrid SDWAN solution - VMware Velocloud.
- Design, Implementation and Troubleshooting DC Perimeter firewalling
- Design, Implementation and Troubleshooting DC firewalling (Palo Alto, Check Point, CISCO FTD/ASA, Fortinet)
- Design, Implementation and Troubleshooting multi-vendor SSL VPN (Cert Auth, MFA, HostScan).
- Design, Implementation and Troubleshooting corporate web proxy
- Implemented FireEye NX 4400
- Design, Implementation and Troubleshooting CISCO ISE. (AAA, Posturing, SGT)
- Design, Implementation and Troubleshooting corporate web proxy.
- Design support and implemented - Gigamon HC2 and Inline DC security stack.
- Authored post-validation with Infosec and adhere corporate DC compliance, analysis and documentation.
Senior Network Engineer
GULF BUSINESS MACHINE LLC
Abu Dhabi
06.2018 - 09.2019
- Led team of 13 to deliver high quality DC/DR infra for Abu Dhabi National airline.
- Over saw Security log analysis and provide periodic security report to leadership and IS.
- Over saw to mitigate site internal & external Pen-test recommendation and project hand-over to operation team.
- Develop QoS and enforce policies to standardize and secure the network infrastructure.
- Remote Site Standardization | Location: UAE, Canada, Europe, India.
- Over saw SPLUNK feed design and integration from all Network and Security devices
- Over saw for visio Network design, documentation and site built
- Design, Implementation and Troubleshooting Site firewall units
- Design, Implementation and Troubleshooting Site routing and switching
- Implemented Velocloud SDWAN Edge 850, 2000
- Over saw SIEM integration from all Network and Security devices.
- Over saw Azure cloud Network design, documentation and site built
- Design, Implementation and Troubleshooting Azure Palo Alto firewall for DevOps.
- Design, Implementation and Troubleshooting Azure application gateway.
- Design, Implementation and Troubleshooting Azure WAF Tier 2 Design
- Implementation and Troubleshooting Azure firewall Design
- Implementation and Troubleshooting Azure SSL VPN (P2S)
- Design, Implementation and Troubleshooting Azure Network setup.
- Deployed Azure security center to ensure all security recommendations are up-to-date.
- Design, Implementation of log analytics and integrated with SPLUNK heavy forwarders.
- Maintain cloud infra focusing future deployment of additional business critical services.
- Responsible for Ministry DC Network design, documentation and site built.
- Design, Implementation and Troubleshooting DC Core Firewall (PaloAlto - 7050), Core switch (Nexus 9508) and TOR switches (Nexus 93108)
- Design, Implementation and Troubleshooting for DC enterprise
- Design, Implementation and Troubleshooting DC perimeter firewall (CISCO FTDSeries), WAN firewall (CISCO FTD 4100 Series), WAN Routers (ISR
- Design, Implementation and Troubleshooting CISCO ISE Cluster deployment (2 - PAN, 4- PSN) SNS - 3615
- Design, Implementation and Troubleshooting F5 - LTM, APM & ASM
- Primary point of contact for P1 incident
- Over saw DC migrating perimeter firewall Cisco ASA 5500-x to CISCO FTD
- Over saw implementing new routes between DC and branches
Network Engineer
GULF BUSINESS MACHINE LLC
Abu Dhabi
- Implementing and maintaining secure network for optimum transaction switching between Interswitch and branch government sites includes CISCO Nexus 7000 & 2348 FEX.
- Predict future Out Comes and Proactive Maintenance of Network devices
- Configured AAA and associated with CISCO ISE for secured internal resource access
- Configuring routers and switches(ISR, Catalyst, and Nexus)
- Implement data and network security through firewalls and DMVPN (IPSec)
- Developed disaster recovery and fault tolerance plans to support data recovery and asset management.
- Implemented Cisco ACI technology to combine cloud computing and data centre management.
- Assisted various departments in maintaining network security and configured remote routers and firewalls.
Network and Security Engineer
AFRICAN EASTERN LLC
Dubai
07.2010 - 08.2013
- Aligned with IS and implemented IPS, AMP, URL Filtering and File inspection based on organization policy
- Implemented FireEye NX
- Primary point of contact for P1 incident
- Design, Implementation and Troubleshooting site core routing and switching
- Design, Implementation and Troubleshooting MPLS link between branches and DC
- Design, Implementation and Troubleshooting CISCO Flexconnect WLANs
- Design, Implementation and Troubleshooting Bluecoat ASG S400 & MAA S500 Series
- Primary point of contact for P1 incident
- Categorizing network traffic and event logs, and amend the security policy.
- Design, Implementation of DC
- Responsible for creation, review, and update of current security policies, process, and procedures in PaloAlto, F5 and Fortinet 1500D
- Review and modify access control lists (ACLs) on CISCO Switches, network core firewall, switching and routing equipment as needed to maintain security standards
- Responsible for the support, installation, maintenance of: CISCO Switches and Routers, Fortinet 1500D at Hub & 310B box at multiple Spokes with HA
- Palo Alto L3 technology, F5 - Reverse proxy and LTM,ASM
- Troubleshoot and diagnose all network systems to identify and correct malfunctions and other operational difficulties
- Implements and maintains policies and procedures for network administration, usage, and disaster recovery, documentation.
Network Support Engineer
HCL TECHNOLOGIES
Bangalore
01.2006 - 01.2010
- Monitoring all Cisco equipment's using OP Manager, Handle operational tickets - Network Port-Security, implementing approved firewall new access rules & routes
- Implements and maintains policies and procedures for network administration, usage, and disaster recovery
- Handling of Daily incident, Service Requests and Activities Configure routing using OSPF and policy routing using route maps Implementing traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
- Maintained and supported Tier 3 infrastructure and platforms.
- Maintained and supported banking infrastructure and platforms.
Education
Electronics And Communication Engineering - Electrical, Electronics And Communications Engineering
Sri Venkateshwara College of Engineering
Bangalore03.2010
Skills
- Strategic planning and review
- Advanced critical thinking
- Network and Security multi-vendor systems design
- Design, Implementation of DC & Enterprise networks
- Primary point of contact for P1 Incident
- Forecasting and planning
- AZURE Cloud Solution & Security
- In-house private cloud (Openstack) infra built
Languages
English
Advanced
Hindi
Upper intermediate
Tamil
Native
Timeline
Infra Solution Architect - Network and Security
KATIM LLC
01.2019 - Current
Senior Network Engineer
GULF BUSINESS MACHINE LLC
06.2018 - 09.2019
Network and Security Engineer
AFRICAN EASTERN LLC
07.2010 - 08.2013
Network Support Engineer
HCL TECHNOLOGIES
01.2006 - 01.2010
Network Engineer
GULF BUSINESS MACHINE LLC
Electronics And Communication Engineering - Electrical, Electronics And Communications Engineering
Sri Venkateshwara College of Engineering
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