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Senior Network Engineer Resume

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Denver, CO

Objective

  • A challenging full - time position as a System/Network professional.

TECHNICAL SKILLS

Operating Systems: Red Hat Enterprise Linux, CentOS, Microsoft Windows Server 2003/2008, Microsoft Windows 7/ Windows XP, AIX, Solaris, vSphere

Applications: MRTG, PRTG, Nagios, Hp Openview, Whats up Gold, Microsoft Exchange 2003/2007, Bind, Microsoft IIS, Apache, Syslog-ng, Symantec Backup Exec, VMware Work station, Blackberry Enterprise Server

Hardware: Dell Server Hardware, Hitachi San, Cisco routers/switches/firewalls, Juniper routers/switches/firewalls, Brocade/Foundry routers/switches/load balancers, Dell switches, HP switches, F5 load balancers, Internap FCP/FCX, Barracuda firewalls/load balancers, Sonic firewalls, and many different wireless access points.

Protocols: TCP/IP, Spanning Tree, OSPF, EIGRP, BGP, RIP, and MPLS

PROFESSIONAL EXPERIENCE

Confidential - Denver, CO

Senior Network Engineer

Responsibilities:

  • Implement and troubleshoot network routing protocols OSPF and BGP
  • Troubleshoot networking issues of OSI model layers 1-7
  • Inventoried route-maps across global WAN and made appropriate changes to reduce size and complexity of route-maps
  • Reconfigured Cisco ACE load balancers to reduce size of configuration and to recover public ip addresses.
  • Inventoried all Cisco Nexus switches to provide recommendation of reducing size and complexity of configuration

Confidential - Denver, CO

IT - Engineer 3

Responsibilities:

  • Audit remediation of security procedures and policies
  • Upgrade hardware and software to newest versions to meet security policies
  • Configure network equipment to ensure security policies and standards are implemented

Confidential - Denver, CO

IP Engineer 3

Responsibilities:

  • Implement and troubleshoot network routing protocols. OSPF,ISIS, EIGRP, and BGP
  • Troubleshoot networking issues of OSI model layers 1-7
  • Member of First Line Engineers group for Level3’s Worldwide Internet and MPLS backbone networks, ensuring 99.999% network availability for government, commercial, and residential customers worldwide.

Confidential - Denver, CO

Sr. Network Engineer

Responsibilities:

  • Implement and troubleshoot network routing protocols OSPF and EIGRP
  • Troubleshoot networking issues of OSI model layers 1-7
  • Install and configure Cisco wireless access points. Configure customer required security settings from Open to WPA2 Enterprise using encryption types TKIP and AES
  • Administer and maintain Cisco ASA’s and PIX’s
  • Documented Denver Network.
  • Customized applications using various shell languages, and scripted customized monitoring probes.
  • Implement and maintain HYPER-V for virtualization servers
  • Implement and maintain Microsoft DNS, IIS, and Active Directory.
  • Decision maker for all hardware and communications

Confidential - Lafayette, CO

Sr. Network Engineer

Responsibilities:

  • Completed a backlog of trouble tickets submitted by internal customers
  • Troubleshoot various network issues
  • Maintained security access lists on Cisco ASA’s and Fortinet firewalls
  • Troubleshoot networking issues of OSI model layers 1-7

Meshcasting - Denver, CO

Sr. Network Engineer

Responsibilities:

  • Install wireless access point devices and bridges to build a wireless network in downtown Denver for a customer base of 100
  • Configure and maintain Nagios monitoring software to monitor wireless network
  • Troubleshoot and correct any issues with wireless network
  • Configure Multipoint WAP’s using 802.11G as central gateways in downtown area to eliminate multi hop access points.
  • Troubleshoot networking issues of OSI model layers 1-7

Confidential - Denver, CO

Sr. Network Engineer

Responsibilities:

  • Design, implement, and maintain fully redundant network utilizing Foundry/Brocade and Cisco hardware to provide 24x7 Internet access to collocation customers
  • Implement and troubleshoot network routing protocols BGP and OSPF
  • Troubleshoot networking issues of OSI model layers 1-7
  • Install and configure various manufacturers wireless access points. Manufacturers include Netgear, Beldin, Linksys, Cisco, Brocade, and Juniper.
  • Configure customer required security settings from Oopen to WPA2 Enterprise using encryption types TKIP and AES
  • Administer and maintain Cisco ASA’s and PIX’s
  • Tier 4 support for collocation customers to support customers network hardware and various server operating systems and applications
  • Managed Network and Junior Network Engineers.
  • Documented troubleshooting procedures for NOC personnel and trained NOC staff of procedures.
  • Configured, and maintained various network monitoring tools which included Nagios, SolarWinds, HP Openview, MRTG, PRTG, and Cisco Works.
  • Customized applications using various shell languages, and scripted customized monitoring probes.
  • Implement and maintain VMWARE for virtualization servers
  • Implement and maintain Microsoft DNS, IIS, and Active Directory.
  • System Administrator for Windows 2003, Windows 2008 and various LINUX servers
  • Implemented and maintained QMOE service provider port to provide QMOE service to collocation customers
  • Decision maker for all hardware and communications
  • Disaster recovery communication manager for data and voice communications

Confidential - Denver, CO

Sr. Engineer

Responsibilities:

  • Administer and maintain 24/7 production and development network
  • Implement and troubleshoot network routing protocols BGP and OSPF
  • Troubleshoot networking issues of OSI model layers 1-7
  • Administer and maintain over 125 servers consisting of Solaris, AIX, Windows 2003, and various Linux servers
  • Administer and maintain Hitachi SAN (Thunder 9500 series) with McData SAN switches
  • Install and configure Internaps FCX WAN accelerator to increase performance between HQ and satellite offices
  • Install and administer various network and server management and monitoring tools.
  • Customized applications using various shell languages, and scripted customized monitoring probes.
  • Implement wireless networking using Cisco 1100 series using PEAP
  • Implement VMWARE for virtualization servers
  • Administer and maintain sendmail, postfix, bind(, Microsoft Exchange, Microsoft IIS, Microsoft DHCP, and Nagios
  • Implemented Single Sign ON (SSO) on all Unix servers to authenticate against Windows Active Directory using LDAP, windbind, and NIS.

Confidential - Denver, CO

Sr. Network Engineer

Responsibilities:

  • Troubleshoot networking issues of OSI model layers 1-7
  • Install and configure various network management tools.
  • Customized applications using various shell languages, and scripted customized monitoring probes.
  • Implement network/telecom backup system and procedures
  • Implement VoIP to various satellite offices

Confidential - AuRora, CO

Network Designer

Responsibilities:

  • Design network architecture based on customer needs and requirements
  • Designed networks for very large government enterprise networks utilizing Cisco, Foundry, and Juniper hardware
  • Provide technical network design documents
  • Maintain phone system as needed

Confidential - Denver, CO

Sr. Network Engineer

Responsibilities:

  • Implement 24x7 Website network utilizing Foundry and Cisco switches and routers
  • Redesign network architecture to allow full redundancy of website using BGP/OSPF, Transparent Cache Switching, Symmetric Load Balancing, and Global Server Load Balancing
  • Troubleshoot networking issues of OSI model layers 1-7
  • Design Corporate Headquarters internal network
  • Design, implement, and maintain Sendmail
  • System administration of various Linux, Solaris and Windows servers
  • Automate configuration backups of routers and switches using EXPECT scripting language
  • Customize HP Network Node Manager to provide real time and historical reports of website status and notification when website degradation occurs.
  • Customized applications using various shell languages, and scripted customized monitoring probes.
  • Project Manager for evaluating and implementing new co-location for Denver website

Confidential - Denver, CO

Network Designer

Responsibilities:

  • Design and implement load balancing for various internal applications
  • Redesign and implement all key corporate networks
  • Troubleshoot networking issues of OSI model layers 1-7
  • Design, implement and maintain Cisco PIX firewall solution
  • Design, implement and maintain DNS
  • Automate configuration backups of routers and switches using various scripting languages
  • Project manager for evaluating and implementing all new network equipment
  • Member of Windows 2000 implementation team

Confidential - Denver, CO

Network Administrator

Responsibilities:

  • Troubleshoot networking issues of OSI model layers 1-7
  • Maintain global WAN consisting of 23 North American offices
  • Project lead for all data and voice projects
  • Furnish technical support including troubleshooting, interpreting communication failures and isolating system performance difficulties
  • Communication liaison with vendors
  • Redesign, plan, configure and install entire data and voice network
  • Senior team member for global WAN for AMVESCAP, consisting of 65 offices
  • Disaster recovery coordinator for Communications department

Confidential - San Diego, CA

Interior Communications Technician

Responsibilities:

  • Maintain telephone, gyro compass, special weapons alarms, critical systems alarms, and PA systems
  • Served work center supervisor and coordinate 10 members
  • Managed de-installation and re-installation of ships phones system consisting of 2000 work spaces aboard USS Constellation during a six month period

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