Aaron Christensen

Experience

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  TEKsystems

  Dec 2006 - Jul 2007

  Contractor
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  Shadow Hills Church

  Jul 2007 - Aug 2010

  Network Administrator

  Responsible for the management and maintenance of a small network and server infrastructure for a non-profit organization• Deployed service desk ticketing system and asset management and monitoring software using open source technologies• Reduced IT related expenses by 50% in the first year by consolidating servers using virtualization technologies and working with vendors to take advantage of 501(c)3 pricing opportunities• Developed and implemented backup solutions and disaster recovery scenarios• Upgraded network to Gigabit Ethernet and deployed secure wireless coverage across campus Show less

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  FusionStorm

  Aug 2010 - Jun 2013

  Responsible for the deployment, configuration and implementation of network, server, storage and virtualization solutions for customers on-premise and in hosted data centers as well as the maintenance and support of internal infrastructure and tools.• Configure physical and virtual Windows and Linux (Red Hat, CentOS) server solutions in a Data Center infrastructure• Deploy private cloud virtualization technologies using VMware and Citrix• Install and configure Cisco ASA Firewalls and F5 Load Balancers in High Availability pairs• Provision SAN Storage on EMC, Isilon, and Data Domain Storage Arrays• Develop and maintain documentation on design, configuration and remediation of network, server, and storage environments• Design and implement proof of concept and one-off custom technology server and storage solutions Show less Responsible for the management, monitoring, support and troubleshooting of network devices, WAN circuits, VoIP phones, and Windows/Linux servers for over 200 companies in a 24/7 Network Operations Center• Resolved over 2000 trouble and change request tickets with an 87% closure rate at Tier 1• Developed training and remediation documentation for ongoing support operations roles• Coordinated and managed communications, vendor engagement, and engineering resources during high severity incidents Show less

  • IT Deployment Engineer I

    Apr 2012 - Jun 2013

  • Support Analyst II

    Aug 2010 - Apr 2012
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  American Casino & Entertainment Properties

  Jun 2013 - Oct 2013

  Senior Network Engineer

  Responsible for 24/7 support and operation of network, security, and wireless technologies across large scale multi-campus casino environment.• Designed and configured upgrades to switch infrastructure across 4 campus locations• Audited and remediated issues with network monitoring and backup systems• Reviewed infrastructure configurations and applied changes to improve reliability and security on network devices• Provided guidance on the design and deployment of a Data Loss Prevention system Show less

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  NTT DATA, Inc.

  Oct 2013 - Mar 2022

  Responsible for leading Proactive, Deployment, and Internal Security Engineering teams for a large-scale Managed Service Provider with international presence. Focused on team development, service management, and pursuing efficiencies through standardization and automation.• Led multiple engineering teams with focus areas including Network/Wireless, Unified Communications, Contact Center, and Security• Generated and presented technical reports and recommendations to clients for Network/Wireless, Unified Communications, and Contact Center based on ITIL frameworks for availability, capacity, service asset and configuration management, event, and incident processes• Led the definition and redesign of technical reporting requirements for Unified Communications and Contact Center, and contributed to the redesign of network reports• Implemented and contributed to a large number of automated processes and tasks which saved 1000s of hours of manual effort• Worked closely with Service Delivery Managers to define standardized reporting schedules across client base to enable increased standardization and automation of reporting, allowing for a 40% increase in reports delivered without additional headcount Show less Responsible for client connectivity and monitoring solutions in mid-size Managed Service Provider, along with acting as a pre-sales and lead deployment engineer for new client engagements. Acted as an SME for Managed Services capabilities and monitoring.• Acted in lead role for the architecture, implementation, and deployment of a new monitoring and secure remote connectivity solution for 100+ customers• Worked to redesign and improve customer onboarding process to reduce average time-to-revenue from 90+ days to 30 days• Contributed to the creation of a standardized sales portfolio and service definitions for entire Managed Services organization • Deployed monitoring services to over 80 customers, averaging a new customer go-live once a week• Performed duties as monitoring SME for Network, Unified Communications, and Contact Center, Systems & Storage, and Security systems in pre and post deployment phases• Collaborated closely with Dimension Data transition team to integrate Managed Service environment and clients from Nexus after acquisition Show less

  • Senior Manager, Managed Services

    Jan 2022 - Mar 2022

  • MS Engineering Manager

    Jun 2020 - Jan 2022

  • MS Engineering Team Lead - Dimension Data (Subsidiary of NTT)

    Jun 2015 - Jun 2020

  • Systems Engineer - Nexus IS (Acquired by Dimension Data)

    Oct 2013 - Jun 2015
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  Amazon Web Services (AWS)

  Mar 2022 - now

  Senior Technical Account Manager

  Responsible for the ongoing technical relationship with AWS Enterprise Support customers, focused on strategic accounts. Act as a designated technical contact to align customer business objectives and needs with AWS operational support. Assist with support escalations, lead cost optimization efforts for AWS workloads, lead business and operational reviews with customer senior management, provide technical guidance on AWS services, and act as the customer's voice within AWS.