Engineer Security

Ushan Subasinghe

Raleigh – Durham – Chapel Hill, NC ****************@*****.*** 678-***-**** LinkedIn

Network Security Engineer

Innovative IT Support and Network Security Engineer with extensive Information Technology expertise with background in Network Engineering, System Administration, Security, IT service and support, data analysis, and hardware/software documentation. Significant experience developing and implementing cross-functional department processes and methodologies., and maintaining high levels of customer satisfaction. Exceptional ability to translate complex technical concepts into tangible business outcomes. Dynamic leadership and team building capabilities driven by expert communications skills and analytical mindset. Exceptional IT experience with a customer-focused attitude and the ability to manage multiple high-profile projects. Strong team leader, contributor, and independent performer with extensive IT experience.

CORE COMPETENCIES

Project Management

Operations & Troubleshooting

Network Security

IFT Testing

Cross-functional Team Leadership

Network Administration

Technical Leadership

Technical Problem Resolution

Networking Protocols & Concepts

Product Management

Consulting

Vendor Management

TECHNICAL EXPERTISE

Network Securities: NAT, VPN, IPSec, ACL

Routing Protocols: OSPF, EIGRP, RIP

Network Managements: SNMP, SSH, Telnet, ICMP

LAN Technology: VLAN, VTP, Inter-vlan routing, ISL, dot1q, STP.

WAN Technologies: Basic knowledge of Frame Relay, MPLS

Infrastructure Services: DHCP, DNS, FTP, TFTP

COMM Protocols: ARP, RARP

Implement Traffic Filters Using Standard and Extended Access-Lists, Distribute-Lists and Route Maps

Sound Knowledge of OSI Layers And TCP/IP

SELECTED ACHIEVEMENTS

§Worked directly with customers on complex, high severity issues and cross-functional technology support teams, consistently receiving high customer satisfaction ratings - 80% + with top tier Cisco Clients, while advising customers how to make improvements to existing systems and generating sales leads for the company. (Cisco Systems Inc.}

§Improved the security features of client’s network with accessing, evaluating, and discovering client’s network with limited Network Documentation, making significant improvements to client's Network Security Vulnerabilities. (Cisco Systems Inc.}

§Leveraged Cisco standards and processes to gain visibility into client’s network pain areas, and reviewed, implemented, and delivered emergency changes, resulting in seamless cutovers and 100% Network uptime during implementation of emergency changes. (Cisco Systems Inc.)

PROFESSIONAL EXPERIENCE

CISCO SYSTEMS, INC. Research Triangle Park, NC 2008 – 2020

Technical Consulting Engineer (TCE), 2017 - 2020

§Serve as technical authority and trusted IT advisor on Cisco’s suite if security products & solutions.

§Ensured customers utilized network services, while addressing technical issues and improving SLAs, and preventing downtime.

Technical Consulting Engineer (TCE) (Continued)

§Deciphered logs, recreated issues in advanced labs, and collaborated with Engineering to find, investigate, and fix software and hardware bugs.

§Worked directly with global customers to restore network functionality and improve overall confidence in Cisco’s solutions.

§Support upgrades, provide configuration assistance, and troubleshoot issues on Next Generation Firewalls, including Firepower Management Systems (FMC), Firepower Threat Defense (FTD), ASA firewalls.

§Using advanced troubleshooting techniques, captured live packets with TCPdump and WireShark using SPAN/R-SPAN sessions.

Onsite Operations Support Engineer Atlanta, GA 2015

§Improved the security features of client’s network with accessing, evaluating, and discovering client’s network with limited network documentation.

§Leveraged CISCO standards and processes such as CISO NRA report to gain visibility into Client’s Network pain areas.

Onsite Operations Support Engineer, (Continued)

§Supported client’s network operations, improving SLAs, including Network troubleshooting, configuring SPAN ports, running ELAM captures, and analyzing packet flows.

§Fixed Security vulnerabilities found in NRA report, including enforced use of SSHv2, Password Security.

§Implemented security best practices on switches, shutting down unused ports and enabling Root Guard.

Level III Customer Support Engineer, SP Video-DMN TAC Team Lawrenceville, GA 2011-2015

§Provided Remote Technical Assistance on Cisco PowerVu Network Control (PNC) Systems.

§Managed troubleshooting for Satellite Video Broadcasters and their affiliates to provide remedial solutions.

§Configured and setup PNC Servers, Cisco Digital Content Manager (DCMs – D9900, D9902), Cisco Modular Encoders (D9036), Modulators and Integrated Receiver/Decoder (IRDs).

§Upgraded firmware on devices, and recreated video issues in Cisco advanced Labs.

Digital Field Operations Engineer on Digital Cable Headend and Hub Systems Lawrenceville, GA

TAC Engineer on IPTV System Delivery Platform, 2008 - 2011

§Set up IPTV Systems Delivery Platform for Rural Cable companies.

§Performed configurations, troubleshooting, and fixing on ISDS, RNCS, DCM, PCG, VQE, and Cisco 4948/7600/2800 switch routers and set tops.

§Maintained Cisco Master Headend and Remote Customer Systems, achieving 100% operational uptime.

§Performed preventative maintenance and other system tasks, including backups, reviewing logs, and monitoring NMS servers.

§Installed all Cisco systems release software upgrades and set-top code remotely.

§Developed and implemented operational procedures for maintenance and operational tasks.

§Collaborated with the ISDP NCC Operations Leads to execute system expansion, upgrades, and change events.

PREVIOUS EMPLOYMENT

Telecom Operations Analyst GEORGIA TECHNOLOGY AUTHORITY Atlanta, GA

§Performed Network Monitoring & troubleshooting from the Network Operations & Security Center.

§Managed, monitored, tested, analyzed, and provided troubleshooting for state of Georgia, local area & Wide Area Networks.

§Monitored network alerts using NetCool & Intermapper.

EDUCATION & PROFESSIONAL DEVELOPMENT

Council of Engineering Institution (UK) – Part 1 CCNA & CCNP Route & Switch (CSCO11054007)

Completed Cisco Firepower & NGFW Technology Training Designing Cisco Data Center Unified Computing (DCUCD) Training

Completed OpenStack Bootcamp Training VMware VSphere: Install, Configure, Manage V. 6.0 Training

Certified on IPTV Service Delivery Platform (ISDP) Certified on PowerVu Network Control Systems Operations

Certified on CDS-TV

Digital Content Manger (DCM) Operations and Maintenance Certified on Headend/ Hub Technology

Activating and Operating a Digital Subscriber Network Cisco Systems Inc.

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