Consultant, Network/security Engineer Resume
Jersey City, NJ
SUMMARY
- Network Engineer with over ten years of experience supporting Network Infrastructure for global financial institutions.
TECHNICAL SKILLS
Network Hardware: Cisco Catalyst switches 6500, 4500, 3560, and 2950.
Cisco Routers: Nexus 3/5K, Cisco CRS,7500, 7600, 7200, 7100, 3700.
Network Management: Concord Network Health Management, VitalNet, Smarts, Spectrum, Cisco Works, Solarwinds.
Network Probes: ExtraHopNiksun/Endace/Ninja/Hammerhead/Infinistream, Corvil, NetScout.
Network Protocols: BGP, OSPF, RIP, EIGRP, Multicast PIM Sparse & Dense, IGMP, TCP, IP, UDP, ARP, SNMP, HSRP, VRRP, VSVLAN, DHCP, DNS, FTP, and TFTP, GLBP & Spanning Tree.
PROFESSIONAL EXPERIENCE
Confidential, Jersey City, NJ
Consultant, Network/Security Engineer
Responsibilities:
- Monitored and maintained Global Network infrastructure.
- Maintained firewall policies on Checkpoint and Palo Alto Firewalls.
- Setup connectivity to backend servers using F5 Load Balancers.
- Worked with application support to troubleshoot application layer problems.
- Performed packed captures and analysis to identify client connectivity issues.
- Assisted with onboarding new clients.
- Worked with carriers to resolve circuit connectivity.
- Setup Internal and External users using RSA SecurId.
- Participated in daily Network Change meetings.
- Troubleshoot Routing problems within BGP/OSPF routing protocols.
- Escalated hardware / software issues to Vendors such as Cisco.
- Enforced Network security and access policies using Cisco ISE.
- Performed Bandwidth analysis for Global Network using tools such as HPNA.
- Perform pre and post checkouts on all Network related changes.
Confidential, Holmdel, NJ
Consultant Network /Security Engineer
Responsibilities:
- Supported the migration effort for connectivity to AWS.
- Maintained Firewall policies primarily using Juniper SRX and Cisco ASA Firewalls.
- Created security groups to control access to AWS VPCs.
- Built connectivity to onboard new clients.
- Built out tap aggregation network consisting of Netscout switches.
- Set up VPN connectivity for communication with remote sites.
- Worked with Application and Dev - ops teams to troubleshoot connectivity issues.
- Performed packet captures and use Wireshark to analyze connectivity issues.
- Participated in daily change meetings to present any scheduled work and reviewed peer changes as well.
- Worked on a project to upgrade our West backbone from Cisco equipment to Juniper MX960s.
- Configured and troubleshot hardware and software related problems with multi-layer switches running VLANS, RSM & MSFC, Spanning-tree, HSRP, VRRP, VTP, Ether-channel.
Confidential, New York, NY
Consultant/FTE Network Engineer
Responsibilities:
- Supported & deployed Confidential Global Network infrastructure.
- Troubleshot low latency / high frequency trading feeds from various exchanges.
- Detected multicast gaping from exchanges using tools such as Corvil and Netscout.
- Level 3 support for global network infrastructure as part of their day to day operations.
- Troubleshot Wi-Fi connectivity, Frame Relay failures; RIP, OSPF & BGP routing problems in enterprise customer's network.
- Diagnosed Retail Branch environment reports of latency and connectivity issues.
- Deep-dived into complex troubleshoots (leveraged tools, such as Wireshark), implemented changes, and served as an escalation for the level 1 and 2 teams.
- Rolled out production changes over the weekends and performed break-fix changes (when required) as per guidelines from a Project Managers while limiting impact to the production environments.
- Handled the deployment and maintenance of monitoring infrastructure primarily using Arista 7150 & 7280 tap aggregation switches.
- Performed in depth bandwidth analysis and Circuit upgrades for global LAN/WAN environment.
- Monitored and maintained the optical network including ADVA & Ciena MUX equipment.
- Performed Optical power meter testing to isolate and repair faulty circuits.
- Assisted vendors/customers providing troubleshooting and support for new rollouts and testing.
- Monitored, troubleshot, and diagnosed network problems using Spectrum, Sevone, Splunk Smarts, NetQOS, ExtraHo Would you expectp & Thousand Eyes management tool.
- Resolved application layer issues using Network probes such as Niksun, Hammerhead, Corvil & Endace and perform in-depth packet analysis using Wireshark software.
- Used Service Center ticketing system to ensure that all outages and problems were properly documented and resolved.
- Perform pre and post checkouts on all Network related changes.
- Provided documentation of all network standards and procedures.
- Created/updated Network Diagrams using Visio, and PDF.
- Configured and troubleshot hardware and software related problems with multi-layer switches running VLANS, RSM & MSFC, Spanning-tree, HSRP, VRRP, VTP, Ether-channel.
- Isolated and troubleshot all circuit related outages by performing loop/Head to Head testing with the carriers.
Confidential, Parsippany, NJ
Network Engineer
Responsibilities:
- Supported/deployment Confidential L.P. Global LAN/WAN environment.
- Provided Tier Two 24x7 technical support for network infrastructure and customer problem resolution in the Confidential L.P. network environment.
- Troubleshot OSPF /BGP & RIP routing problems in enterprise customer's network environment.
- Deployed and maintained Confidential node sites, ordered/tested new circuit installs, managed rack space and ordered and configured all Network equipment.
- Assisted vendors and customers to provide resolution on testing and configuration issues related to Managed Services.
- Configured & prepared Routers, Switches and network appliances for production deployment.
- Diagnosed connectivity issues with Confidential terminals & feeds by verifying Multicast Routing and checked for gapping using Confidential proprietary management tools.
- Resolved receiver stations Multicast connectivity issues by performing a Reverse Path Forwarding check from the Receiver to the rendezvous point and verifying IGMP group memberships.
- Worked with carriers on new circuit installations & acceptance and ran internal cabling.
- Performed Optical power meter testing to isolate and repair problematic circuits.
- Monitored, troubleshot, and diagnosed network problems using Network probes/sniffers, Checkpoint Firewalls and Confidential proprietary tools for bandwidth usage and packet analysis.
- Used Confidential proprietary ticketing system to create Network Changes and track Network Outages.
- Provided documentation of all network standards and procedures.
- Created/updated Network Diagrams using Visio, and PDF.
- Configured and troubleshot hardware and software related problems with multi-layer switches running VLANS, RSM & MSFC, Spanning-tree, HSRP, VTP, Ether-channel.
- Implemented IOS upgrades on all Juniper/Cisco/Arisa Platforms.
- Analyzed customers bandwidth utilization and provided recommendations based on current usage and future growth.
- Rolled out production changes over the weekends and perform break-fix changes (when required) as per guidelines from a Project Managers without causing any negative impact to the production environments.
Confidential, New York, NY
Consultant Mainframe Operations Team Lead
Responsibilities:
- TCP/IP installation, IP addressing and subnetting.
- Troubleshot internet, intranet and extranet connectivity problems.
- Monitored batch production and ensured production cycle met all deadlines.
- Made sure all NJE and RJE connections were active.
- Monitored transmissions via SNDM, SNDS, and NDM.
- Monitored Batch production and ensured the production cycle met all deadlines.
- Maintained the NY tape library.
- Investigated all batch abends, providing first level support and contacted secondary support if needed.
- Transmitted nightly production files from the NY host to the Dallas Mainframe.
- Maintained critical files and Programs using CICS platform.
- Monitored CICS availability using tools such as ILX Monet
- Used Service Center ticketing system to ensure that all outages and problems are properly documented and resolved.
- Personal computer repair, replaced and troubleshot procedures and utilities.
- Installation, configuration, troubleshooting and maintenance of operating systems, network operating systems, hardware and software applications.
- Windows 2000 Professional/Server; managed users and groups in security database, set up and maintained Registry as well as both roaming and local profiles, provided disk administration, set up and maintained remote access service, and administered both file and director security.
