Senior Network Engineer Resume
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