SUMMARY

• Maintain and manage firewalls, switches, routers, load balancers.
• Manage the day to day availability and 24x7 uptime of all core and fault tolerant systems
• Implement major modifications to the corporate infrastructure.
• Oversee the maintenance and implementation of appropriate network security measures, technologies, and policies.
• Provide oversight, technical direction, and expertise to other technical members of project and support teams.
• Create, maintain, and archive low level design documents and detailed engineering specifications based upon business and user requirements, to include high availability design diagrams, scalability design diagrams, capacity models, logical and physical network diagrams, storage layout diagrams and disaster recovery documentation
• Provides network planning recommendations to management.
• Vendor Management: Evaluates services provided by vendors and recommends changes.
• Issue Resolution: Troubleshoots, diagnoses and resolves network problems. Researches, analyzes and recommends the implementation of software or hardware
• Network Installation: Plans and monitors the installation of network systems.
• Provide recommendations to management team to increase effectiveness of organization and technology solutions
• nfigure and maintain Bluecoat SG510 gateways for all HTTP and HTTPS traffic traversing the Confidential network. Effectively update the Visual Policy manager (VPM) as per required access by the client. Periodically upgrade the bluecoat devices to desired feature set OS level as required.
• Assisted in designing and introducing basic QOS in the network through Riverbed appliances for increased performance on mission critical application throughout Confidential which spanned multiple sites.

TECHNICAL SKILLS

Systems: 2000/XP/Windows server 2003, 2008, Vista, Win 7, XenServer5.6, Windows 8

Experiences: Nmap, Wireshark, Varius platform of junipers, Cisco Router + Switches HP, Dell, Nessus, Checkpoint Firewall, Solarwind, CA spectrum, Riverbed, Cisco firewall(ASA), CA Service Desk, Cisco Works, SMS, SCOM, Mcafee IPS, Powershell, VBscript, PRTG, Cisco CUCM and CUCA.

MS: MS Office 2003/2007, MS Version, ConnectWise, Vipre, Symantec Backup Exec 2010, Symantec Endpoint Protection Manager, Bluecoat, Cisco CSS, Nexus switches, Brocade, Juniper SSL VPN, WAN Flow, RSA Token, Lucent QIP, 802.1x, AAA Radius Autantication, SNMPv3

PROFESSIONAL EXPERIENCE

Confidential

Sr. Network Engineer

Responsibilities:

• Maintain and manage firewalls, switches, routers, load balancers.
• Manage the day to day availability and 24x7 uptime of all core and fault tolerant systems
• Implement major modifications to the corporate infrastructure.
• Oversee the maintenance and implementation of appropriate network security measures, technologies, and policies.
• Provide oversight, technical direction, and expertise to other technical members of project and support teams.
• Create, maintain, and archive low level design documents and detailed engineering specifications based upon business and user requirements, to include high availability design diagrams, scalability design diagrams, capacity models, logical and physical network diagrams, storage layout diagrams and disaster recovery documentation
• Lead network design walkthroughs.
• Being SME for various technologies such as Checkpoint firewall, Cisco routers and switches (Catalyst/Nexus 2k/5k/9k,ASRs), Firemon, Tripwire, F5 Silverline DDOS Protection, Cisco ACS, F5 loadbalancer, Secureworks IDS, etc..
• Leading all network architect initiatives
• Providing mentorship to network engineers
• Design/configure AWS Direct Connect and Cloud Exchange
• Design/configure AWS resources such as VPC,Route53,IGW, etc..

Confidential

Teamlead/Sr.Network Engineer

Responsibilities:

• Support 2500+ Users, 80+ remotesites.
• Maintain and manage firewalls, switches, routers, load balancers, WIFI and VPN systems
• Manage core network equipment, upgrades, changes and replacements
• Diagnose WAN connectivity issues connecting 80+ sites
• Remote LAN and security management for 80+ sites
• Monitor, maintain, and configure network security systems and manage escalations
• Firewall Migration from Juniper to ASA 5585 SP20.
• Design/configure/implement WAN/LAN technology according to best practices.
• Technical Lead - providing guidance and mentorship to network engineers.
• Network Performance Assessment: Assesses network performance to ensure dat it meets the present and future needs of the business.
• Provides network planning recommendations to management.
• Vendor Management: Evaluates services provided by vendors and recommends changes.
• Issue Resolution: Troubleshoots, diagnoses and resolves network problems. Researches, analyzes and recommends the implementation of software or hardware
• Network Installation: Plans and monitors the installation of network systems.
• Provide recommendations to management team to increase effectiveness of organization and technology solutions

Confidential

Network\Security Engineer

Responsibilities:

• Support 1500+ environment
• Perform advanced, complex network analysis, identify problems and design solutions
• Oversee Network Security wif focus on IDS/IPS tuning, DMZ penetration testing, and access management
• Support Cisco Unified Communications (CUCM) infrastructure including: SIP and various Call Center applications Performs routine system administration and maintenance on local or remote locations Keeps documentation up to date for all telecommunications systems
• Proactively analyses, troubleshoots and resolves telecommunications systems and circuit issues Perform network installations, upgrades, training, documentation, monitoring and analysis Design and implement corporate and remote network architecture Handle day-to-day network and telecommunication related tickets Configuration of multiple models and vendors of switches/routers, including VLAN configuration, routing protocols, etc. Performing asset management and inventory of network and telecommunication equipment Document problems and resolution for future reference Monitoring system performance and implementing performance tuning

Confidential

TeamLead/Senior Network Engineer

Responsibilities:

• Support 1000+ Employee environment
• Perform monitoring and maintenance on all network elements which include Cisco 6500, 4500, 4000 switches; Cisco 3750, 3500, 2900 switches; Cisco 3700, 3600, 2800, 2600, 1600 routers, and IP networks, protocols to include but not limited to: TCP/IP, BGP, IGP, OSPF, EIGRP, Spanning-Tree, SNMP, SSH, IPSec, 802.1q.
• Manage and maintain Lucent QIP for IP Address allocation and RSA server for all autantication issues.
• Resolve tickets for networking team in order to meet defined Service Level Agreement (SLA).
• Assisted in setting and migrating windows based RSA server to new RSA appliances wif upgraded OS to support two factor autantications wifin the organization as per security requirements.
• Maintain and monitor RSA appliances for configured agents and users which comprises of token based autantication.
• Worked in setting up and configuring load balancing requirement for various internal applications on Cisco CSS 11500 and Brocade Switches.
• Prepare data network diagrams and drawings on Microsoft Visio to document and assist in communicating current operation status of networks.
• Monitor and maintain performance of Juniper SA 6500 appliances for SSL access into the organization from external network.
• Monitor bandwidth and network activity by analyzing information provided by Scrutinizer net flow to ensure both efficient and effective network operation.
• Key contributor in implementing and supporting routing, switching in LAN and WAN environment in accordance wif specified customer requirements.
• Consistently upgrade network gear and IOS on all end of lifecycle devices.
• Designed and implemented an efficient IP address scheme wifin the network utilizing VLSM, Subnetting and CIDR for optimal network performance and aggregation.
• Introduced new switches and routers in the network wif full redundancy based on hardware and software.
• Segregated the network on DMZ, external and internal interfaces on Cisco ASA devices. Manage security policies and global objects on Cisco ASA appliances as per requirement in the network. Successfully upgraded OS on Cisco ASA devices as required.
• Configure and maintain Bluecoat SG510 gateways for all HTTP and HTTPS traffic traversing the Confidential network. Effectively update the Visual Policy manager (VPM) as per required access by the client. Periodically upgrade the bluecoat devices to desired feature set OS level as required.
• Assisted in designing and introducing basic QOS in the network through Riverbed appliances for increased performance on mission critical application throughout Confidential which spanned multiple sites.

Confidential

Network Engineer

Responsibilities:

• Support 2000+ employee environment
• Experienced Network Engineer working wif Cisco Routers (2500, 2600, 2800, 3800, & 7600), Switches (2960, 3750, 4500, 4900, & 6500), and Adaptive Security Appliances (5505 & 5510)
• Team Lead on 802.1X Implementation across the agency
• Upgrade field sites wif Aruba Wireless network
• Implementation of Remote Access (IPSec & SSL) and site to site VPNs using Cisco ASA and Cisco Router IOS devices
• Design, implementation, and management of development network for testing configurations and software before moving into the production environment
• Troubleshooting of DHCP, DNS, SMTP, and Active Directory Issues
• Monitoring of the network infrastructure (SNMPv3) using SolarWinds Network Performance Monitor
• Administration of SolarWinds, CA Spectrum, and Ciscoworks.
• Administration of remote access VPN (IPSec & SSL) solution for the organization
• Administration of Cisco ACS 5.2 (TACACS & RADIUS) Server
• Research, test, recommend and deploy leading edge network solutions including new Cisco Routers/Switches, appliances, software tools and specialty hardware to enhance service and life cycle management
• Assist and mentoring of Helpdesk Technicians wif escalated networking issues
• Deployed, supported and upgraded Cisco IOS switches, routers, and ASA’s
• Built and maintained Visio documentation database of network topology
• Full installation support of networking infrastructure including racking, cabling, configuring, and management
• Maintenance of IOS revisions. Allocation and management of IP Addresses, switch port allocations and VLAN assignment
• Performing network and vulnerabilities scanning using third party programs.

Confidential

System Administrator

Responsibilities:

• Developing system, application, security, and network configurations (including network and domain migrations and upgrade paths).
• Recommending new technologies and solutions to proactively support the client’s environment
• Testing and evaluating network systems to eliminate problems and make improvements
• Determining products and services dat best fit customers’ needs
• Recommending and building systems and efficiencies for end-user and overall client site support both remotely and on-site
• Local travel to client sites required as needed.

Confidential, Sterling, VA

Network Administrator

Responsibilities:

• Manage/Configure HP Procurve 2810& 2910al, Juniper SRX 240, Cisco Routers 1841 & 2800 series, & Cisco Catalyst 3550, and Dell switches.
• Installing, configuring network connections wif public telecommunications, and network providers
• Design, implements, and maintains various networks: LAN and WAN systems in accordance wif specified requirements. Design network diagrams and drawings to document and assist in communicating current operation status of networks.
• Implementing and administrating common TCP/IP-based services, including DNS, DHCP, HTTP, FTP, SSH, SMTP.
• Configure, test, and implement varieties of routing protocols such as RIPv2, OSPF, EIGRP, OSPF, MPLS, BGP.
• Maintain, install, and upgrade of varieties of software and server platforms: Windows server 2003 & 2008, Office 2003/2007,SQL server 2008, DNS, DHCP, AD,Symantec Endpoint Protection, MDT 2010, WDS, Blackberry Server, ect.
• Resolve or escalate user reported problems/issues.
• Troubleshoot users' software and hardware problems.
• Verifying/Troubleshooting LAN connectivity
• Create/maintain accounts, network folders, access rights, and Organization units in Active Directory
• Maintain confidentiality of system’s data and users’ information
• Re-imaging/upgrade computers wif appropriated updates.
• Assists troubleshooting MS Office 2003/2007.

Confidential, Falls Church, VA

Computer Tutoring

Responsibilities:

• Instruct elder adults of basic computer usage + troubleshooting
• Assist elder adults wif Internet, MS Office & searching skills
• Computer Science Association