Dan Wren Email & Phone Number

Toronto, Ontario, Ca

• Responsible for all network and network security design, implementation at bothData Centers and the Corporate Office• Performed Migrations from ASA’s to FortiGate’s with minimal downtime toservices• Configured and provided ongoing support for hundreds of client facing IPSECVPN Tunnels• Supported a fully remote work force utilizing FortiClient SSLVPN software• Built Python scripts to automate various tasks on the network – examples havebeen uploaded to my GitHub repository.• Supported outside non-technical teams in support of business objectives

• Directed project elements involving many different teams to build national 100G MPLS Backbone Network utilizing NCS-5501 routers• built ansible playbooks and python scripts to automate various tasks on the network – my latest playbooks and scripts have been uploaded to my github repository for review. • Planned, coordinated, and executed migrations of client EBGP peers with a focus on minimal client impact• Completed project to re-configure inter router links across the network to support additional client services• Participated in oncall rotation supporting all backbone related platforms on our national network• Supplied assistance, training, and leadership to other engineers as well as our technical assistance center (TAC) staff.

Greenwood Village, Colorado, Us

• Designed, Implemented, and Supported network technologies including: Juniper ScreenOS, Fortinet Fortigate, IPSEC VPN, F5 LTM, A10 Thunder ADC, Brocade SI load balancers, Cisco IOS and XR routers, Cisco Catalyst and Nexus switches.• Planned, documented, and executed maintenance projects/upgrades on both internal and managed client network infrastructure.• Supplied assistance, training, and leadership to other engineers as well as our technical assistance center (TAC) staff.• Built and maintained relationships with key client technical staff members as well as internal stakeholders.• Developed comprehensive documentation for provisioning and support of managed network products and services

Greenwood Village, Colorado, Us

Primary responsibilities included:• Provided daily (24/7/365) support through phone, e-mail, and ticketing system for management of customer’s network, systems, and telecommunications services including installation support issues.• Administered and diagnosed issues related to POP, SMTP, DNS, Radius, Ethernet, Load Balancing, Firewalls, Switching, Routing, Linux systems, Windows systems, and Vendor Management.• Provided training and escalation support as required for our technical assistance center (TAC) staff and Data Center Technicians.• Coordinated response to high priority events related to service degradation or disruption requiring cooperation from multiple teams and individuals to minimize and quickly resolve potential or realized impact to multiple production environments.• Investigated and responded quickly to automated alarms (Nagios, Nimbus) affecting customer environments, including circuit issues and provider escalations.• Implemented configuration changes to managed switches, firewalls, load balancers, Linux servers, Windows servers, IP addressing, and DNS records as requested by clients.• Developed comprehensive documentation for provisioning and support of managed products and services.

Performed on-site troubleshooting and repairs to NCR, Wincore, Triton, and Diebold Automated Teller Machines, NCR and IBM point of sale computer systems and Printers, also repaired Dell desktop and laptop computers.Covered the entire Denver metro area, maintained replacement parts inventory, supported other team members with difficult problems and met or exceeded all service level agreements for response and resolution.

Performed remote diagnostics, troubleshooting and problem step resolution over the phone with non-technical customer personnel on Windows NT, DOS and UNIX based point of sale networked computer systems.Performed Supervisory duties in the call center under the title of Shift Supervisor.