David Applebaum

David Applebaum Email and Phone Number

Network Engineer @ City of Wheat Ridge
David Applebaum's Location
Denver, Colorado, United States, United States
David Applebaum's Contact Details

David Applebaum personal email

David Applebaum phone numbers

About David Applebaum

Electrical engineer by education with a focus in Public Safety Land Mobile Radio (LMR), networking, and security. Experience with Motorola Astro P25 Digital Trunked Simulcast radio systems, Motorola MCC 7500 radio consoles, Aviat Eclipse microwave and Provision NMS, Cisco firewalls, switches and routers, Palo Alto firewalls, and Ruckus and Meraki WLANs.

David Applebaum's Current Company Details
City of Wheat Ridge

City Of Wheat Ridge

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Network Engineer
David Applebaum Work Experience Details
  • City Of Wheat Ridge
    Network Engineer
    City Of Wheat Ridge Jan 2023 - Present
    Wheat Ridge, Colorado, Us
    I get to play with switches, routers, and firewalls for the city I am fortunate to live in.
  • City And County Of Broomfield
    Senior Network Engineer
    City And County Of Broomfield Apr 2022 - Dec 2022
    Broomfield, Co, Us
  • Jefferson County Consolidated Communications Authority (Jeffcom911)
    Network Administrator
    Jefferson County Consolidated Communications Authority (Jeffcom911) Apr 2020 - Jul 2021
    Responsible for Jeffcom911 network and firewalls, including - Cisco 2960-X distribution and Nexus 9300 core switches - Cisco ASA firewalls with Firepower Services, planned migration to Palo Alto - Meraki WLAN - General IT support.Management of the Jefferson County Fiber Optic Network (JFON), owned by the Jefferson County Emergency Commutations Authority (911 authority). - MAN with 12 sites connecting police and fire agencies in the county. - Brocade CES-2024F-4X switches, mpls with vpls tunnels.
  • State Of Colorado
    Northeast Regional Manager, Public Safety Communications Network
    State Of Colorado Sep 2016 - Jan 2020
    Denver, Co, Us
    Led a team of eight technicians in four regional shops in the engineering, maintenance, and operation of over seventy Public Safety radio communication sites in Northeast Colorado. Radio system is Motorola P25 Astro 7.18. Lead project engineer in statewide 240 site Aviat Networks Eclipse microwave upgrade. Administrator for Aviat Provision network management platform.
  • Sacramento County
    Sr. Telecom Systems Analyst
    Sacramento County Apr 2011 - Sep 2016
    Sacramento, California, Us
    Provide radio, network, and IT expertise to a regional 12-site Motorola trunked simulcast Public Safety radio system that provides reliable voice communications to eight 911 dispatch centers and over 13,000 subscribers.
  • City Of Roseville
    Telecommunications Manager
    City Of Roseville Jul 2005 - Dec 2010
    Roseville, Ca, Us
    Led a team of five network analysts responsible for the data, voice, and radio. Provided customer-focused support to 15 major departments, including Roseville Police and Fire Departments.
  • City Of Roseville
    Network Analyst Ii
    City Of Roseville Dec 2001 - Jun 2005
    Roseville, Ca, Us
    Technical lead for networks and radios. Implemented Cisco LAN, WLAN, Firewall, and AAA. Migrated from single 5-channel Motorola trunked radio system to three site 10-channel Simulcast system.
  • Nec Electronics
    Network Engineer
    Nec Electronics Dec 1999 - Aug 2001
    Kawasaki, Kanagawa, Jp
    Contributed in a broad range of roles as member of the IT Engineering Department, supporting computer and network operations, desktop technical support, and desktop services.
  • Trw Defense & Space Systems Group
    Senior Staff Network Engineer, Senior Fellow
    Trw Defense & Space Systems Group Sep 1990 - Aug 1999
    Ensured the reliable 7 x 24 operation of e-mail, group scheduling, and remote access services for a division of 2000 Macintosh users. Assisted in corporate LAN development and operations. Project Manager for initial UTP network installation. Initiated enterprise desktop backup.
  • Trw Defense & Space Systems Group
    Electrical Engineer To Senior Staff Engineer
    Trw Defense & Space Systems Group Sep 1982 - Aug 1990
    Worked primarily as a Direction Finding (DF) Subsystem engineer supporting the research and development of airborne COMINT reconnaissance systems. Developed antennas for the U.S. Army’s RC-12 Guardrail program. System administrator of lab HP-UX computers.
  • Watkins-Johnson
    Member Of The Technical Staff
    Watkins-Johnson Jun 1981 - Aug 1982
    Us
    Developed a broadband helix antenna for an airborne jamming system.

David Applebaum Skills

Networking Telecommunications Network Engineering Cisco Technologies Troubleshooting System Administration Security

David Applebaum Education Details

  • Cornell University
    Cornell University
    Electrical Engineering
  • Santa Clara University
    Santa Clara University
    Electrical Engineering

Frequently Asked Questions about David Applebaum

What company does David Applebaum work for?

David Applebaum works for City Of Wheat Ridge

What is David Applebaum's role at the current company?

David Applebaum's current role is Network Engineer.

What is David Applebaum's email address?

David Applebaum's email address is da****@****eld.org

What is David Applebaum's direct phone number?

David Applebaum's direct phone number is +191623*****

What schools did David Applebaum attend?

David Applebaum attended Cornell University, Santa Clara University.

What skills is David Applebaum known for?

David Applebaum has skills like Networking, Telecommunications, Network Engineering, Cisco Technologies, Troubleshooting, System Administration, Security.

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