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John Ramsden Email & Phone Number

Technical Support Specialist at Colliers
Location: Los Angeles Metropolitan Area, United States 6 work roles 2 schools
1 work email found @colliers.com 3 phones found area 310 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email j****@colliers.com
Direct phone (310) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Technical Support Specialist
Location
Los Angeles Metropolitan Area, United States

Who is John Ramsden? Overview

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Quick answer

John Ramsden is listed as Technical Support Specialist at Colliers, based in Los Angeles Metropolitan Area, United States. AeroLeads shows a work email signal at colliers.com, phone signal with area code 310, and a matched LinkedIn profile for John Ramsden.

John Ramsden previously worked as Technical Support Specialist - Network and Unified Communications at Colliers and Help Desk Engineer at Crimson It. John Ramsden holds Bachelor'S Degree, Computer And Information Systems Security/Information Assurance from Westwood College-South Bay.

Company email context

Email format at Colliers

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{first}.{last}@colliers.com
86% confidence

AeroLeads found 1 current-domain work email signal for John Ramsden. Compare company email patterns before reaching out.

Profile bio

About John Ramsden

Experienced IT professional interested in new opportunities and challenges. My passion in life is helping people and making them more familiar with technology. Teamwork and Integrity are the principles that I have built my professional reputation on.

Listed skills include Networking, Troubleshooting, Windows Server, Software Installation, and 54 others.

Current workplace

John Ramsden's current company

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Colliers
Colliers
Technical Support Specialist
Los Angeles, CA, US
AeroLeads page
6 roles · 30 years

John Ramsden work experience

A career timeline built from the work history available for this profile.

Technical Support Specialist

Los Angeles, Ca, Us

Technical Support Specialist - Network And Unified Communications

Current

Toronto, Ontario, Ca

Achievements:• All aspects of Microsoft Teams Softphone Integrations - Greater Los Angeles Region Colliers International Offices: Downtown-Los Angeles, El Segundo, West LA, Glendale, Woodland Hills, and City of Industry. • All aspects of Greater Los Angeles Region Colliers International Office Infrastructure build-outs – Woodland Hills, El Segundo, and West LA. Responsibilities:• Interact, diagnose, and resolve IT issues for the Colliers Executive Leadership Team. • Perform Active Listening techniques during information-gathering. • Diffuse hostile inbound IT-related escalations. • Provide updates on active IT-related outages, both written and verbal. • Compose Know base Articles for Business Applications; Adobe, Microsoft, etc.…• Follow the written procedures and guidelines for Collier's imaged devices MAC, and mobile devices. • Participate in scheduled timeline meetings, providing accurate feedback when appropriate. • Provide timely updates to the Service Delivery Manager. • Facilitate all aspects of NOC during system-wide outages including timely updates and notifications.• Building network/desktop infrastructure projects including LAN room/network topography buildout. • Rackmount and power network appliances. • Validate network performance upon integration completion.• Perform network speed tests on wired/wireless systems.

Sep 2021 - Present

Help Desk Engineer

Los Angeles, California, Us

Responsibilities:• Administrator for Microsoft Office 365 (O365) tenants for 60+ clients; manage tenant subscriptions and licenses, configure custom domains and implement two-factor authentication (2FA). • Administrator of G-Suite; Provide cloud computing/application software support. • Administer of cloud-based file sharing and file synchronization solutions such as Citrix ShareFile, Drop Box, One Drive and Box. • Deliver onsite/remote hardware support for desktops, laptops MacBook, Surface Pro, VoIP telephony, printers, scanners and mobile devices (iPhone/Android).• Resolve complex issues including system crashes, poor network performance, connectivity problems, security breaches and virus infections. • Prioritize, resolve and document tickets using ConnectWise Help Desk ticketing system.

Mar 2018 - Sep 2021

Infrastructure Support Engineer

Dallas, Tx, Us

Achievements:• Developed “new-hire on-boarding” training curriculum for ISG (Infrastructure Support Group).• Upgraded non-compliant Windows operating systems on 100+ desktops/servers. Responsibilities:• Provide onsite and remote Desktop Support to Software/Quality Assurance Engineers.• Prioritize Jira support tickets and diagnose problems with software and hardware.• Install, upgrade, and configure personal computers and peripherals. • Install and maintain Windows desktop application software, service packs, patches, and anti- virus updates.• Provide recommendations to IT users on selection of hardware including laptops, Macbooks, desktops, servers, telephony and printers.• Assist in the planning and coordination of software and applications upgrades.• Communicate updates, milestones and future plans of action within multiple groups and teams within organization.

Apr 2016 - Mar 2018

Network Administrator

Torrance, Ca, Us

Achievements:• Implemented Dual-Wan router for retail store locations system-wide; Draytek 2950 router ensured maximum internet uptime for credit card revenue transactions • Designed/integrated Axis surveillance systems including network infrastructure, cameras, software and ceiling mounted LCD monitors• Upgraded in-store Verifone pin pads to process new credit card chip technology. Responsibilities:• Desktop Support/Network administration for corporate administration offices in Torrance/Sacramento CA. • Responsible for providing (24/7) IT support for more than 50 retail store locations • Project Technical Lead for new store location openings including providing internet service via ISP (Internet Service Provider), network infrastructure, POS (Point of Sale) hardware/software, camera surveillance, and hand punch hardware/software.

Oct 2012 - Mar 2016

Desktop Support Professional

Atlanta, Georgia, Us

Achievements:• Project Manager for GIDS (Gate Information Display systems) at LAX and SFO airports • Project Manager for RF network implementation for LAX baggage serviceResponsibilities:• Conducted site surveys and provided recommendation on power/IP data conveyance for new Delta airport service locations • Project Manager - Directly responsible for completing installations/deployments on schedule and within budget• Resolved hardware/software/network helpdesk tickets within specified SLA (Service Level Agreement)

1997 - 2012 ~15 yrs
2 education records

John Ramsden education

Bachelor'S Degree, Computer And Information Systems Security/Information Assurance

Westwood College-South Bay

Associate'S Degree, Electrical And Electronics Engineering

Los Angeles Community College District
FAQ

Frequently asked questions about John Ramsden

Quick answers generated from the profile data available on this page.

What company does John Ramsden work for?

John Ramsden works for Colliers.

What is John Ramsden's role at Colliers?

John Ramsden is listed as Technical Support Specialist at Colliers.

What is John Ramsden's email address?

AeroLeads has found 1 work email signal at @colliers.com for John Ramsden at Colliers.

What is John Ramsden's phone number?

AeroLeads has found 3 phone signal(s) with area code 310 for John Ramsden at Colliers.

Where is John Ramsden based?

John Ramsden is based in Los Angeles Metropolitan Area, United States while working with Colliers.

What companies has John Ramsden worked for?

John Ramsden has worked for Colliers, Crimson It, At&T, Tower Energy Group, and Delta Air Lines.

How can I contact John Ramsden?

You can use AeroLeads to view verified contact signals for John Ramsden at Colliers, including work email, phone, and LinkedIn data when available.

What schools did John Ramsden attend?

John Ramsden holds Bachelor'S Degree, Computer And Information Systems Security/Information Assurance from Westwood College-South Bay.

What skills is John Ramsden known for?

John Ramsden is listed with skills including Networking, Troubleshooting, Windows Server, Software Installation, Windows, Microsoft Office, Computer Hardware, and Laptops.

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