John Jensen Email & Phone Number

Reston, Virginia, United States

Reston, Virginia, United States

The crux of my role as Staff Network Engineer has been serving as lead network engineer for CoreSite's OCX Enhanced Network Services products. Other duties as assigned include mentoring other engineers, building out our nationwide 100G backbone, operational escalation, and developing new tools to keep CoreSite's production network running smoothly.

Reston, Va

Heavy focus on automation and DevOps practices while managing CoreSite's nationwide datacenter network and IXPs. Extensive use of open source orchestration and monitoring tools, including Docker, Ansible, ElasticSearch and InfluxDB.

Herndon, Va

Mainly served as Networking SME for Amazon's BMS team. Most of what I performed at this second stint at Amazon revolved around standardizing and deploying new network designs for Amazon's building automation and controls systems. Acted as a liaison between Amazon's production Network Engineering team and their Building Infrastructure Operations group. Responsible for deployment of Networking Infrastructure and Firewalls to serve as the backbone of Amazon's datacenter building controls & SCADA systems.

Reston, Va

Deploy and automate Carrier Ethernet and MPLS/VPLS based solutions for the second largest peering exchange in the U.S. Extensive use of Perl and Python for automation revolving around deployment, configuration, and configuration standardization.

Seattle, Wa

Perform protocol/performance/feature testing and bug reproduction and verification on Amazon's network hardware and software platforms. Use of IXIA hardware and software for traffic generation and analysis as well as test automation and execution. Use of and automation around GaleForce software used to interface with MRV MCC equipment in order to dynamically reserve resources and topologies within Amazon's network engineering lab.

Seattle, Wa

Member of the team responsible for maintaining automation revolving around Amazon's network systems, including the tool for moving traffic off of transit/peering circuits, tools used to maintain configuration/verify configuration policy on Amazon's network devices, and tools used to deploy ACLs to Amazon's network devices.

Seattle, Wa

Performed operational duties for Amazon network engineering as well as escalation for Tier One Support. Also performed operational duties for Infrastructure Technology Operations, which was a team that handled projects that involved process improvements via automation for Infrastructure objectives. Federated Amazon's network monitoring system and extended monitoring to top-of-rack network devices; wrote automation to add/remove top-of-rack devices to the NMS as needed. Wrote the majority of the backend code for a tool to apply BGP filters to transit/peering circuits in order to shift traffic off of the links.

Seattle, Wa

Front line support for Amazon.com systems and network operations. Managed high-severity events which involved AWS or Amazon's retail website. Worked on projects with other network engineering teams. Deployed one of the first CloudFront POPs in Newark, NJ. Remotely configured and turned up a number of other POPs in the initial CloudFront deployment. Facilitated Amazon's initial peering sessions (public and private) when Amazon first began public peering and connecting to public exchanges. Helped build the TOS team by interviewing candidates and insisting on a high bar for network engineer candidates to fulfill the TOS NE1 role.

Northern Va

Member of the team of technicians responsible for supporting the physical network and systems infrastructure for Amazon.com. Supported multiple data centers throughout the Northern Virgina area. Worked with other engineering teams for maintenance and support of various aspects of Amazon's datacenter infrastructure, including networking equipment such as Cisco 3750, 3750E, 3560, 3560E, 4948, 6509E and 7609E platforms, Cisco CSM and Citrix Netscaler load balancers. Provided hardware support/systems administration for Amazon's datacenter server fleet, comprised primarily of HP ProLiant and Rackable C2001/C2004/C and S3012 servers, as well as various storage solutions from HP, including StorageWorks disk shelves and MSAs. Worked very closely with other engineering teams within the Infrastructure department as well as the Seattle-based Systems and Network Operations Center on various projects, both systems-side and network-side, involving increasing systems and network capacity, availability, and redundancy while reducing cost. Participated in multiple data center rollouts as well as data center decommissionings and/or moves. At the time, our team were the first engineers to put hands on and deploy what would be the very first racks of AWS EC2.

Crystal City, Va

Worked with a staff of 15 Tier I support technicians responsible fortroubleshooting basic software and hardware issues. Supported 1000+ users at sites nationwide; worked as a government contractor responsible for supporting GSA’s Federal Supply Service. Used Proxy remote control software to access user’s machines and assist them visually as well as verbally over the phone. Coordinated with Tier II support technicians when certain issues or problems that had to be escalated, and routed tickets accordingly.

Springfield, Va

Worked as a government contractor on a helpdesk taking upwards of 10,000 calls per month from various employees of the Department of Homeland Security and Customs and Border Protection. Worked with an 8-person team responsible for Asset Management and IT hardware support. Fielded calls for various hardware and software issues to other support teams and resolved all hardware-related calls and some software-related calls within the scope of my capabilities. Worked with Peregrine ServiceCenter Service Management software and maintained a ticket queue, worked and updated tickets daily.

Forest Park Senior High School - Woodbridge, Va

Member of a two-person team working in conjunction to deliver end-user technical support for teachers and administrative staff. Actively facilitate the updating of software, hardware, performance of system configuration and maintenance on a constant basis. Perform daily maintenance on the school’s Novell servers, including backup tape changes, checking tape backup logs, and clearing connections when needed. Assist the Data Center with virus removal and protection of systems in the school. Perform basic Novell NetWare administration in NWADMIN32 as well as ConsoleOne involving adding/removing users, setting up e-mail accounts, and configuring and troubleshooting NDPS printers.

Central Administrative Facility, Manassas, Va

Deliver end-user technical support within temporary position asTechnical Assistant within the main administrative facility that serves all IT needs of the local school system. The facility supports administrative offices and all schools, which together consist of a user base of over 1,000 employees. Actively facilitate the updating of software, performance of system configuration and maintenance. Assist in troubleshooting and diagnosis of various network problems dealing with Cisco Catalyst switches. Perform basic Novell NetWare administration in cooperation with team of 12 staff within helpdesk function at the facility.