Objective:

Sr. Network Engineer/Consultant with over 10 years experience seeking a position, as a Sr. Network Engineer, that will benefit from my experience while offering the opportunity for advancement.

Experience:

Confidential

• Provide recommendations and guidance to Cisco customers to help operate, maintain, and configure Cisco networking equipment.
• Provide assistance where needed in helping external customers operate, maintain, and configure various Cisco network devices.
• Work with internal resources to further enhance customer satisfaction.
• Present various types of deliverable reports on state of the network, best practice recommendations, hardware life cycle, security recommendations, and project milestones.
• Make design and architecture recommendations where needed.
• Implement and configure equipment to match customer needs.

Confidential

• Design and support an internal and external cloud infrastructure to support new and existing customers. Also assisted in maintaining enterprise lan/wan infrastructure.
• Designed and built from the ground-up data center cloud infrastructure consisting of Cisco nexus/UCS, NetApp, and VmWare nodes.
• Lead Engineer and had sole responsibility for network infrastructure.
• Analyze and troubleshoot network traffic with providing weekly status and reports to upper management.
• Troubleshoot all layers of protocol stack from hardware to application level as well as interact with multiple departments such as end-users, application developers, and management.
• Provided assistance to internal as well as external customers.
• Helped design and maintain security devices for authentication.
• Provided Tier-3 LAN and WAN support for internal enterprise network supporting over 20k users at over 100 office locations and data centers globally.

Confidential

• Support classified US Navy network consisting of a Cisco network infrastructure.
• Part of Network re-design virtualization project consisting of VMware vSphere and Cisco Nexus virtual distributed switches.
• Responsible for migrating physical to virtual machines decreasing server footprint and increasing server performance.
• Primary engineer for all routing switching infrastructure support and design.
• Ensure all network device nodes maintain classified security level with the Department of Defense and meet the required Security Technical Implementation Guide standards.
• Implemented and configured 2-factor authentication for network devices using RSA Secure tokens and Cisco ACS.
• Configured SNMP v. 3 across all network devices with AES-256 bit encryption enabled for network monitoring and troubleshooting.
• Reconfigured all nodes for network time synchronization to external ntp time clock.
• Coordinate Layer 2 port security with helpdesk personnel for all workstation/server additions and removals from network access layer switches.
• Monitor and make necessary firewall changes as needed.
• Maintain IPsec Lan-to-Lan vpn tunnels to offsite hosting facility ensuring all network traffic is fully encrypted with AES encryption.
• Configure and administer Red Eagle Type-1 hardware encryptors using the HAIPE protocol for intra-building WAN connectivity.
• Perform SAN engineering support as needed.

Confidential

• Design and support a time-sensitive financial data transaction network consisting of 17 sites worldwide throughout the US and Europe.
• Provide last level support to over 150 mission-critical network nodes including routers, switches, firewalls, and servers.
• Re-designed internal network wan/lan infrastructure to support dynamic routing protocols and full redundancy.
• Researched, ordered, and procured network hardware for a 200k network redesign project.
• Analyze and troubleshoot network traffic with providing weekly status and reports to upper management.
• Troubleshoot all layers of protocol stack from hardware to application level as well as interact with multiple departments such as end-users, developers, and management.
• Interface with outside exchange personnel for various design and support connectivity issues.
• Monitor, add, and change wan circuits for various TDM and Ethernet technologies to meet optimal requirements and price offerings.
• Researched, procured, and design firm wide video conferencing solution.
• Interacted directly with vendors for equipment acquisitions and price offerings.

Confidential

• Support the IT infrastructure for a multinational law firm with over 25 offices and 3,000 users. Provide tier 3 support escalation of system and network related issues.
• Worked on a team with other Engineers supporting the entire firm's WAN and server farms.
• Perform system builds for new equipment, ensuring to meet standard requirements for end users.
• Act as part of the firms disaster recovery planning.
• Maintain and managed WAN connectivity circuits globally.
• Part of an on call rotation schedule for escalation issues.

Confidential

• Provide 24/7 technical support for various network related issues within an information technology department serving 7 offices through a globally connected WAN. Direct hands-on experience with installation, configuration, and maintenance of a complex LAN/WAN network consisting mainly of Cisco equipment at all layers.
• Sr. Engineer for escalation of all network related issues, ability to interact directly with vendor support when necessary for complex issues.
• Technical lead for new project implementations as well as the primary contact for interfacing with providers as well as equipment resellers.
• Troubleshoot network issues through the entire network protocol stack related to routers, switches, firewalls, and remote VPN connectivity.
• Designed LAN/Wan Topology and IP addressing scheme for the entire organization for external and internal addressing.
• Support a staff of 220 office and remote users at multiple locations spread throughout the world with network related issues maintaining an always on call rotation schedule.
• Responsible for maintaining data center connectivity ensuring system uptime to meet SLA agreements for hosted customers.
• Transitioned a frame-relay point-to-point network to a fully meshed MPLS network for organization WAN connectivity.
• Implemented BGP as an external routing protocol redistributed into OSPF internal protocol.
• Configured backup GRE tunnels over IPSec VPN tunnels for redundant WAN connectivity in the event of primary link failover.
• Setup and monitoring of IPSec site to site VPN tunnels for partner and client network access while maintaining minimal levels of access for security concerns.
• Monitor network performance and network uptime using tools such as Solarwinds, WhatUpGold Professional, MRTG, Ethereal, and Wireshark.
• Responsible for monitoring all firewalls throughout the company ensuring proper operation and performance expectations while ensuring availability with the use of redundant fail-over pairs.
• Setup access control rules and DMZ's for external access
• Setup fully redundant L2 L3 switches, configured STP, HSRP, VTP, 802.1q trunking, etherchannels, VLAN's and switchport security.
• Managed audit controls and policies enforced to comply with Sarbanes-Oxley compliance.
• Maintain integrity and security of the network from a physical to a software standpoint.
• Enforce client end network security through Cisco Clean Access and Cisco Security Agents

Confidential

• Acted as part of a team responsible for system and network uptime of a time sensitive aircraft maintenance squadron providing defense readiness within 24 hour notice
• Assisted in entire network upgrade from Token Ring to Ethernet technologies with the introduction of Layer 2 switches and routers
• Troubleshot network problems over phone or onsite repair and maintained trouble ticketing system for tracking of outstanding work orders
• Maintained Antivirus software and enforced updates to clients from central management server ensuring integrity of the network from malicious activity.
• Provided physical as well as environmental security for Network Operations Center for highly-sensitive and confidential equipment for 24-hour always on-call operation
• Created and updated documentation for entire division following strict Standard Operating Procedures directed by the Commander of Air Wing Operations
• Interfaced directly with partner divisions to maintain internetwork operability while maintaining minimal levels of access among those divisions for security purposes
• Ran nightly system backups and restores for an enterprise database system while enforcing retention periods and offsite data storage.
• Configured servers, workstations, and printers for network access including over 500 nodes
• Instruct and lead technical training classes covering latest technologies with demonstrations