Sean O'Hearne

Experience

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  Intap/Big Dog Technologies

  Oct 1998 - Feb 2005

  SYSTEMS ADMINISTRATOR / TECH SUPPORT / BILLING

  Migrated entire Big Dog Technologies network to Intap’s network; gained working knowledge of Intap’s entire network, servers and software to perform systems administration functions for both client bases; renumbered existing equipment including web servers, routers, and customer networking equipment; integrated dialup users to Intap’s network; performed complete DNS reprogramming on new network; provided technical support for client base to assist with migration; oversaw all aspects related to managing a small startup Internet Service Provider; implemented services and technologies to assist in company growth; managed and maintained email, web and multiple domain name servers; gave technical support to end users; managed customer accounts and servers; upgraded and configured hardware and software on multiple co-located web servers; programmed and maintained routers and servers; reconciled bank statements; compiled accounts receivable reports; billed clients monthly; used Quickbooks software to record and process all customer account activity; transitioned to Data Account Executive for Nextel voice and data services and equipment; trained Nextel representatives on data services; tripled data service revenues; recognized as resource person for data products; gained knowledge of all T-mobile products and services; oversaw daily store operations; successfully managed opening of three T-Mobile and Nextel stores; coordinated delivery of all utilities for new store openings; assisted in building and setting up new locations and systems; purchased and installed computer, fax and telephone systems; purchased inventory for new stores; set up merchant accounts and credit card processing systems. Show less

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  Express Wireless

  Feb 2005 - Oct 2008

  IT MANAGER/DEALER COMMISSION SPECIALIST

  Installed, configured and maintained company computer networks, servers, local and remote workstations and company website; performed hardware and software upgrades to systems company-wide; provided technical support to all employees; updated new products, pricing and inventory on website; calculated and processed commission statements for 75+ T-Mobile and Sprint/Nextel dealers on a monthly basis; dealt with commission disputes and made adjustments as needed; created monthly commission reports for profit & loss analysis; spearheaded, installed and migrated new point of sale system for all retail locations; purchased all T-Mobile and Sprint/Nextel phones for warehouse on a weekly basis; developed and executed a product database and tracking system to manage phones and accessories sold in stores and warehouse inventory; created monthly trending reports to analyze product sales; tracked and introduced new products offered by carriers into the ordering system. Show less

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  General Packet

  Mar 2008 - May 2012

  NETWORK MANAGER

  Managed wireless and wired networks for apartment complexes, hotels and shopping centers throughout the United States (100+ networks); configured, tested, installed, monitored and maintained all network equipment and infrastructure for these property types; diagnosed and resolved LAN/WAN outages in a timely manner; used Big Brother and other diagnostic software to monitor networks in real time; remotely accessed and managed network devices via HTTP, SSH and Telnet for troubleshooting, repair, reconfiguration and upgrades; acted as a liaison between internet service providers (DSL, cable and T1 circuits) and clients; responsible for coordinating and dispatching field technicians to properties throughout the country - provided instruction and support for all new network installations and for all onsite repairs at existing customer's locations due to network outages or equipment failures; managed a web-based trouble ticketing system and twenty call center technicians; responded to and resolved escalated ticketing issues; collected call center data to generate and analyze reports used to assess team performance and help improve quality of service provided to callers on an ongoing basis. Show less

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  Rite-Solutions

  May 2012 - now

  Remediation Technician

  Perform scans utilizing RETINA and DISA Gold Disk tools to evaluate system compliance; patch and fix cyber security threats by analyzing these reports; implement INFOSEC policies and procedures following the Information security model, CIA Triad (Confidentiality, Integrity and Availability); responsible for mitigating and eliminating vulnerabilities and cyber security threats for all network assets both classified and unclassified; provide multi-network support with regard to information technology (IT) and information assurance (IA) requirements and security of information systems per United States Department of Defense/Navy standards; develop procedures and group policy recommendations to enhance the reliability, security, and integrity of the network infrastructure; run daily network scans and remediating methodologies per cyber security directives; routine research and implementation of compliance solutions in strict accordance with established government guidelines; provide support to end users for PCs, peripherals, or network, applications / hardware; respond to telephone calls, emails, and personnel requests for technical support; ensure a timely process through which problems are controlled - (Includes problem recognition, research, isolation, resolution and follow-up steps.); identify, research, and resolve technical problems; document, track, and monitor problems to ensure a timely and compliant solution; open/close trouble tickets; simulate or recreate user problems to resolve operating difficulties; monitor the network utilizing commercial off-the-shelf software applications and vendor specific applications; recommend system modifications to reduce user problems; support the development and maintenance of system configuration and design documentation; create/review/approve user level documentation; support Project Manager as directed; direct/supervise/mentor other Technical Support personnel Show less

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  General Packet

  May 2016 - now

  • Network Manager

    May 2016 - now

  • Network Manager

    May 2016 - now