Network Security Engineer

Arunkumar Subbiah

*********.*******@*******.***

https://sg.linkedin.com/in/arunkumarsubbiah

Career Objective:

I would like to gain a full time occupation as a Network/Security/System Engineer into a standard organization where I be able to completely use my network, systems and security understanding, 9 years’ experience into system varied environment plus the capability to look after integrity and private information to include importance to the company.

Career Summary:

Network & Security Engineer with 9 years of experience specializing in Telecommunications, Enterprise Network, System & Security integration. Experienced in managing and provisioning varied solutions for network infrastructures across service provider & Enterprise based environments. Strong problem-solving skills with proficiency in identifying and rectifying issues within technical frameworks. Proven soft-skills in establishing relationships across multiple cultures and levels. Amicable and flexible with tough atmospheric experience and with the ability to work with a positive and driven attitude within a team.

Platform Knowledge:

Routing and Switching: Juniper MX960, MX480, M320, M120 and EX4200, Cisco IOS XR 1200 & 9000 series, Cisco IOS 7600, 2800 and 1900 series, Alcatel switches.

Perimeter Security: Fortinet FortiGate Firewall, Manager, and Analyser, Cisco ASA & Firepower, Firepower Management Centre, Palo Alto-NGFW, Juniper SRX & Net Screen.

Endpoint Security & technologies: CyberARK – PAS, McAfee ePolicy Orchestrator & Endpoint security, Carbon Black Response, and Protection.

Network Visibility and Enforcement: Cisco ISE server, Cisco Fire AMP solutions.

Access control management and compliance: Cisco ACS server.

Wireless: Cisco Wireless LAN controllers & Wireless AP’s.

Network Management Solutions: Prime Infrastructure

Wireless Mobility Solutions: Connected Mobile Experience & Mobility Service Engine.

WAN optimization: Riverbed Steelhead CX.

Operating Systems: Cisco IOS, IOS XE, IOS XR, JunOS, ScreenOS, FortiOS, Panos, ASA, UNIX, Linux (Kali Linux and Fedora), & Windows OS.

Virtualization: VMWare products, Oracle virtual Box, Viptela SDN WAN & Cisco & Juniper NFV, Cisco Meraki, Cisco IWAN

Server: IBM & HP blade servers.

Core Skills:

Requirement Gathering & design analysis

Problem-solving and Quick in resolving issues.

Leadership and project planning

Efficient communication skills

Technical Expertise:

Switching: STP, VTP, VLAN

FHRP: HSRP, VRRP, GLBP

Routing: BGP, MP-BGP, OSPF, ISIS, Policy-based routing (PBR)

VPN: MPLS/MPLS-TE, Multicast VPN, L2VPN, VPLS, L3VPN, DMVPN, IPSec VPN (both static endpoint and dynamic endpoint), SSL VPN.

WAN: MLPPP, SONET – APS, E1, T1.

IP based Filters: Access-list, Prefix-list, Route-maps, RPL.

Protocols: TCP/IP, UDP, SNMP, Telnet, SSH, FTP, HTTP, HTTPS, SMB, SMTP, POP3, IMAP, DNS, SCP, SFTP.

AAA: RADIUS & TACACS+.

Security: NAT, IDS/IPS, Antivirus/Antispyware/Antimalware, Antispam, Web URL filtering, Application control, DLP, File blocking, Penetration and Vulnerability testing.

Virtualization: VMNET, VMWare (Workstation, Fusion, ESXi & Sphere), Virtual Box, Linux KVM.

Network Scripting: Python & bash Shell Scripting.

Academic Profile:

Masters of Information Technology (2007-09) – Networking – James Cook University, Singapore.

Bachelor of Engineering (2003-07) – Electronics & Instrumentation Engineering – Anna University, India.

Training attended:

Introduction to McAfee ePolicy Orchestrator (ePO) and Endpoint Security 10 (ENS10)

CyberARK – Privileged Account Security Install and Configure.

Carbon Black Response and Protection Administration training.

Check Point Certified Admin (CCSA) R77.30

Check Point Certified Expert (CCSE) R77.30

Palo Alto Networks Foundation Workshop 2017

Palo Alto Networks SLR Workshop 2017

Palo Alto Networks Ultimate Test Drive Workshop 2017

Certifications achieved:

PSE: Foundation Exam 7.0

Accredited Configuration Engineer (ACE) Exam - PAN-OS 8.0 Version

Cisco Certified Internetworking Expert - Service Provider (Written)

ITILv3 foundation Certified

Cisco Certified Network Professional (CCNP)

Certified IPv6 Professional (CIPP)

Cisco Certified Network Associate (CCNA)

Juniper Networks Certified Associate Junos (JNCIA-Junos)

NSE4 – FortiGate Network Security Professional.

Tenable Certified Security Center CV Sales Engineer.

Work Experience:

Senior Network & Security Engineer, Project Team, Logicalis, Singapore - May 2016 – Dec 2017.

Responsibilities

Deploying Network Security solutions as outlined in the Statement of Work (SOW).

Migrate customers from legacy firewall technologies to Next Generation Networks security platforms.

Build custom security policies and application signatures.

Develop and maintain expertise in deploying advanced Network Security features and functionality.

Optimizes the integration of the Network security solutions and advises on proposed design solutions.

Ensure client needs are met and deliverables produced on time according to specified project deliverables/scope.

Provides a review of design documentation and accompanying configuration files.

Concentrates on the verification of the business-centric aspects of the customer environment and includes implementation of customer-specific test plans.

Provides a design lead throughout the project to ensure any issues that may arise are taken care of. Analyse logs and events from the solution to perform initial troubleshooting and issue identification.

Clear and consistent communication with customers, Sales and Professional Services Project Management and Management team.

Work with customer and team to manage and deliver projects on schedule with a high level of customer satisfaction.

Network Engineer, Operation, and support, Logicalis, Singapore - August 2015 – April 2016.

Responsibilities

Act as a Tier 2 support for data, security and wireless network for the end customer.

Collect appropriate logs and outputs from end customer in the event of issues, analyze and interpret the logs or output collected, identify and troubleshoot the network/hardware issues.

Work closely with vendors to find a workaround for firmware issues and fixes for bugs.

Provide specialist skills when needed in supporting and troubleshooting network problems and emergencies.

Co-ordinate multiple stakeholders on a conference call or remote session (Cisco WebEx, GoToMeeting) to troubleshoot network issue or to provide RMA support for hardware failures.

Create new or update Standard Operation Procedures and Maintenance Operation Procedures and record diagnosis and resolution of network faults, maintenance instructions.

Proactively monitor network and hardware to provide support based on alerts.

Manage & track tickets according to their priority and ensure to provide timely updates to all stakeholders and close the tickets with proper resolution hints.

Provide support for change or service request during end customer maintenance.

Network Engineer, Global Service Provisioning, Singtel, Singapore - August 2011 – August 2015.

Responsibilities

Act as a Tier 2 network support engineer for IP Provisioning and managed service provisioning engineers.

Analyse, interpret and evaluate complex/customized network & service design and architecture specifications, data models and diagrams in the development of network configuration and integration.

Assign network resources as per the design by working closely with internal stakeholders and external global partners.

Provide specialist skills when needed in supporting and troubleshooting network problems and emergencies.

Configure, test and deliver new MPLS L3 & L2 VPN networks & managed services.

Provide network programming in support of specific business needs and requirements.

Verify and maintain procedures and documentation for network inventory, and record diagnosis and resolution of network faults, maintenance instructions.

Co-ordinate & work with relevant stakeholders to ensure services delivery such as managed service and monitoring services in accordance with customer requirements.

Manage & track works order assigned, and monitor the works order job activities and provide timely updates.

Provide support for infrastructure upgrade/migration, hardware replacement, and carrier link aggregation.

Network System Engineer, Hotel Solutions, Singapore - March 2010 – April 2011.

Responsibilities

Support procurement team on Pre-sale of Network Equipments and Server Hardware at cost effective price and in compliance with company procurement policy.

Assess and recommend improvements to network operations and integrated hardware, software, communications and operating systems.

Research, analyze, evaluate and design network infrastructure to operate at optimal performance.

Computer network and system engineer, IT Point, Singapore - March 2009 – Feb 2010.

Responsibilities

Install, configure, test and administrate new and upgraded networks, software database applications, servers, and workstations.

Analyse, evaluate and monitor networks and systems to ensure they are configured to operate at optimal performance.

Assess and recommend improvements to network operations and integrated hardware, software, communications and operating systems.

Act as a Tier 1 Support for end-user on installing the application, software’s, endpoint securities and plugin, OS installation/upgrade and hardware replacement/upgrade in accordances to company policy and printing assistance.

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