Senior Network Engineer Resume
Crystal City, VA
SUMMARY:
- Accomplished Network Engineering professional with experience in combining technical and business solutions to support overall enterprise strategic goals.
- Experienced Confidential designing, deploying and troubleshooting enterprise LANs, WANs, VoIP and Satellite solutions.
- Supported from 200 to 7,000 users in multiple sites around the world.
- Created then managed network facilities
- Extensive background gathering user requirements then developing end - to-end solutions to meet diverse goals.
- Thorough understanding of security, configuration and troubleshooting a myriad of equipment.
- Over fifteen years’ experience in Information Technology providing delivery and support of Network Infrastructure Confidential the Access, Distribution, Core, and Data Center layers.
AREAS OF EXPERTISE:
- Network Design
- Network Architecture
- Network Infrastructure
- Network Capacity Planning
- Network Administration & Setup
- Network Security & Certification
- Cisco Call Manager/VoIP
- Monitoring & Support
- Project Management
TECHNICAL SKILLS:
Firewalls: Cisco ASA 5500 Series, Juniper SRX Series
Cisco Routers: 7600, 3900, 3800, 2900, 2800, ASR 1K, ISR 4300/4400 (IOS-XE)
Cisco Switches: 6500, 4500, 3850 (IOS-XE), 3600, 3750 (including POEs), NEXUS 5K/7K
Cisco Access Points: 1220, 1242; Cisco 4400 Wireless LAN Controllers
Cisco Wide Area Application Engines: WAE-512, WAE-674, Riverbed Steelhead/Steelfusion
Polycom: LifeSize, and Tandberg video conferencing solutions
PROFESSIONAL EXPERIENCE:
Confidential
Senior Network Engineer, Crystal City, VA
Responsibilities:
- Architect and implement network designs and solutions for the Confidential global network infrastructure to include WAN technologies such as DMVPN, MPLS, IPSEC/GRE, and routing protocols EIGRP, BGP.
- Recommend, evaluate, and pilot new technologies to optimize the network infrastructure.
- Provide training and mentorship to the onsite Operational Engineering Team .
- Act as the project technical lead for network integration projects.
- Provide Tier IV support escalation as needed.
- Review and document the functionality of existing environments while proposing enhancements and/or upgrades .
- Create test plans, installation guides, technical specifications, implementation plans, and best practice documentation.
Confidential
Senior network engineer, Washington, DC
Responsibilities:
- Responsible for the design, implementation, maintenance, and support of unclassified and classified networks.
- Implementation of WAN technologies such as DMVPN, MPLS, IPSEC/GRE, and routing protocols EIGRP, BGP.
- Construct, test and implement integrated network, hardware and software solutions, distributed computing solutions, and/or physical and logical communications networks for the customer.
- Participate in day-to-day orders, Special Projects, and escalations related to LAN/WAN/MAN services (ISDN, Frame-Relay, Point-to-Point, and MPLS) on the Confidential OpenNet and ClassNet networks.
- Conduct site surveys and organize the documentation into an Engineering Plan for implementation on the customer's OpenNet and ClassNet networks.
- Write and execute detailed network implementations, generate bills of materials, and basis of estimates.
- Provide network performance statistics, reports, and recommends technical enhancements to the network.
- Contribute to systems infrastructure plans based on an understanding of the customer's organizational direction, technical context and business needs.
- Provide technical consulting on high-level network designs, platform sizing, infrastructure system design and the application of new technologies.
- Interface with counterparts on system infrastructure problems and advise management on technical problems, priorities, and methods.
- Receive trouble escalations from Tier 1 and Tier 2 organizations for troubleshooting, analysis, and remediation of WAN issues to include MPLS.
- Configuration and implementation of devices to be deployed within the MPLS cloud.
Confidential
Senior Network Engineer, Washington, DC
Responsibilities:
- Managed and participated as part of a team that is responsible for designing and developing scalable, maintainable, highly available network architectures that meet business objectives and SLAs.
- Led the network migration effort to move 1000 servers in a data center to a hybrid cloud.
- Configured and installed various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS) in both physical and virtual environments. Perform network documentation and created disaster recovery fail-over implementation plan.
- Oversee and support WAN (DMVPN, MPLS, Metro-Ethernet) links to service provider for over 30 remote sites, full mesh WAN, set up TFTP server to backup, and upgrade/restore configuration and IOS image files for the ASA, Cisco routers, and Catalyst switches.
- Designed configuration and layout of WAN to include Internet facing VPNs and wireless subnet.
- Administered multiple ASA firewalls throughout WAN to ensure LAN integrity from external threats.
- Monitored bandwidth and network activity by analyzing information provided by SolarWinds (SNMP) to ensure both efficient and effective network operation.
- Configured and supported multiple remote site installations.
Confidential
network engineer, Washington, DC
Responsibilities:
- Managed and support the day-to-day functions of the Video/Voice over Internet Protocol transport network (VVoIP) for the entire Washington Navy Yard.
- Performed engineering, design, and new implementations for enhanced integrated services (i.e., Secure IPTV, VoIP, and VTC).
- Provide Tier 3 engineering support to include Voice/Data VLAN administration, Router/Switch configurations, and ACL administration.
- Manage all outbound connections to the Global Information Grid (GIG) via a DoD-approved Internet Service Provider, as well as an IDS/IPS solution. Implement and maintain VPN Tunnels using IPSEC.
- Design, implement, and administer the enhanced perimeter layer security posture consisting of Cisco 5550 (Firewall), Cisco Nexus 5548 and 7010 Switches, Cisco 5545 Security Appliances (IDS/IPS), and internally with Cisco Catalyst 3750 Series Routers and 4500 Series Switches that protect the internal and external network connections Confidential the Washington Navy Yard.
- Administer all network devices via direct serial interface, and in some instances, remotely using Secure Shell (SSH) over an Out-of-Band (OOB) Management Network.
- Maintain Data Center environment by way of cable infrastructure management, installation of new network devices, and perform routine maintenance/upgrades to core network infrastructure.
- Assist in documentation to include creating and maintaining network diagrams, and writing C&A Plans, in effort to achieve ATC and ATO for VVoIP.
Confidential
Network engineer, Greenbelt, MD
Responsibilities:
- Provided device installation, routing/switching implementation and monitoring/troubleshooting of the NASA (DSCOVR) Network Infrastructure across three data centers. Core routing and switching Technologies included STP, VLAN, Multicast, OSPF, BGP, and EIGRP.
- Provided hands-on configuration support for Cisco 3900 Series Routers and Cisco 3750 Layer 3 Switches.
- Performed network security monitoring, event analysis, remediation, and impact analysis.
- Traveled to various NASA sites across the US to conduct site surveys for data center build-outs.
- Performed full life cycle (end-to-end) and network design for five NASA data centers. Assisted actively in implementation, development and enforcement of security technologies and policy.
- Performed VLAN and ACL administration and created Network Diagrams using Microsoft Visio.
- Performed Firewall installation, configuration and monitoring. Products included Cisco ASA 5500 and Juniper SRX Series.
- Created and updated security policies and NAT statements on Juniper SRX Series firewalls.
- Assist team with designs, installations and configurations of LAN/WAN including core network switches, routers, firewalls, VLAN, LACP, STP, VPN, intrusion detection/prevention systems (IPSs), and change management while participating in 24x7 on-call rotation schedule.
- Utilized network management tools such as Solar Winds, Kiwi Tools, GEMS, Cisco ACS, and Cisco Works.
- Responded to alerts sent by Remedy Action Request System (ARS) in an effort to maintain high network availability and ensure the integrity of all security measures and mechanisms.
Confidential
Sr. Network Engineer
Responsibilities:
- Designed, deployed and supported data as well as voice requirements in evolving environments. Interfaced with senior leadership and tactical US Army units, and evaluated existing hardware configurations currently in place, to determine best use of infrastructures and integrate or improve current ISR systems destined for theater.
- Oversaw implementation of ISR communications architecture to comply with Army’s C5ISR initiatives.
- Installation and support of Radio Communication systems in an effort to improve and extend RF communications for Warfighter environment.
- Performed network integration of TTnt, 117G, and HARC into Warfighter’s tactical network environment.
- Provided senior level knowledge and Tier 3 support to customers and their components to include Tier 2/3 infrastructure troubleshooting and support that involving configuration and administration of tactical network devices and infrastructure.
- Provided remote support and/or traveled to customer sites, as required.
Sr. Network Administrator
Confidential
Responsibilities:
- Designed network development and LAN/WAN expansion, as needed.
- Performed routing of Layer 3 IGP and BGP protocols over network.
- Granted access permission to TCP/UDP ports, added/removed VLANs (trunking, STP, VTP), Security (Radius/TACAS+), troubleshot/conducted surveys on wireless and network issues.
- Managed, analyzed and troubleshot Non-Secure and Secure networks Layer 2 and Layer 3 in Enterprise network environment, in compliance with US Government (DOD-approved, Government-furnished equipment, and Cisco IOS standards).
- Enforced Identity Management (Radius, TACACS+, 802.1x), AAA (Authentication, Authorization, and Accounting) using Cisco ACS (Access Control Server) integrated with Active Directory.
- Performed software upgrades (JUNOS) on Juniper SRX and Cisco ASA security devices.
- Developed and implemented NAT translations and zone -based security policies on Juniper SRX firewalls.
Sr. Network Engineer
Confidential
Responsibilities:
- Provided local administration of Aruba Networks wireless system.
- Optimized RF line of sight for wireless backhaul and Wide Area Mesh/Local Area Mesh points (WAM/LAMs).
- Performed configuration and testing of LAN/WAN infrastructure to include Wireshark and Ethereal packet captures/sniffers, and F5 Load Balancers.
- Provided preventive, remedial, and corrective maintenance to ensure all equipment was in proper and full operating condition as prescribed by equipment manufacturer.
Network Engineer
Confidential
Responsibilities:
- Evaluated current network systems to propose and implement network system enhancements.
- Defined, designed, and implemented network solutions and support for 35 remote US military bases in Southern Afghanistan.
- Drove network systems projects to include installation and configuration of Cisco 2800/2900 Series Routers, 2900/3500/3700 Series Switches, and Cisco 1300/1400 Series Wireless Bridges.
- Handled third-level technical escalations and sensitive situations.
Confidential, Wake Forest, NC
Network Engineer
Responsibilities:
- Managed capacity and bandwidth throughout Confidential ’s nationwide Core IP network in support of small to large size Metro Ethernet customers, using SNMP based reporting tools and applications (i.e., bandwidth utilization on core gigabit Ethernet trunks; CPU/Memory/GBIC port utilization on edge and core devices.)
- Provided planning and execution of network development and traffic engineering to ensure adequate bandwidth and capacity through the transition from ATM/Frame Relay transport to MPLS.
- Performed troubleshooting of IP routing protocols such as BGP, EIGRP, and OSPF.
- Implemented and provided escalated support for Confidential (Network Access Control) appliance (Cisco Clean Access) and NAC framework-based.
- Configured and tested LAN/WAN infrastructures using Wireshark and Ethereal packet captures & sniffers, and F5 Load Balancers.
Confidential, Durham, NC
NOC Technician
Responsibilities:
- Responsible for monitoring availability and health of network and computer system environments within large multi-platform 24/7/365 Data Center.
- Troubleshot and resolved moderately complex-to-complex network problems. Interacted with client technology teams in support activities.
- Performed remote router/switch configuration and troubleshooting for ATM, Frame Relay, MPLS, and Metro Ethernet service lines.
- Provided integration of LAN/WAN, and installation and configuration of Cisco routers and other network devices
Confidential, Cary, NC
NOC Engineer
Responsibilities:
- Resolved end-to-end failures with assistance of local telephone companies ( Confidential ).
- Test wide area networks ranging from OC-3, T3, T1, to Fractional T1 and as small as 56K.
- Provided quality technical support to clients on installation, implementation and troubleshooting of Cisco Series 2500-7500 Routers.
- Provided on-line assistance and coordination and facilitated efforts with MSOs, field engineers, service providers, vendors and other internal/external support organizations.
- Responsible for provisioning, configuring, and troubleshooting VoIP equipment and services via WEB provisioning tool and Linux-based server. (Specific protocols were SIP and MGCP.)