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David Ryerson Email & Phone Number
Systems Analyst
at
LADOT
1 work email found
@lacity.org
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 86%
Current company
Role
Systems Analyst
Location
Los Angeles, California, United States
Company size
Who is David Ryerson? Overview
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Quick answer
David Ryerson is listed as Systems Analyst at LADOT, a with 288 employees, based in Los Angeles, California, United States. AeroLeads shows a work email signal at lacity.org and a matched LinkedIn profile for David Ryerson.
David Ryerson previously worked as Student Professional Worker at City Of Los Angeles Office Of Finance and System Administrator III at Mori Associates. David Ryerson holds Bachelor Of Science, Information Systems from California State University, Northridge.
Company email context
Email format at LADOT
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{first}.{last}@lacity.org
86% confidence
AeroLeads found 1 current-domain work email signal for David Ryerson. Compare company email patterns before reaching out.
Profile bio
About David Ryerson
David Ryerson is a Systems Analyst at LADOT.
Current workplace
David Ryerson's current company
Company context helps verify the profile and gives searchers a useful next step.
Ladot
13 roles
David Ryerson work experience
A career timeline built from the work history available for this profile.
Systems Analyst
Systems Analyst
Bureau of Information Systems, HelpdeskSupport, trouble-shoot, and maintain the LAN and Windows Active Directory.Installation and configuration of computer workstations.Repair of systems including acquisition of necessary parts.Inventory control to include receipt of new equipment.Monitor operation and performance of systems.
Student Professional Worker
Systems DivisionSupport, trouble-shoot, and maintain the LAN and Windows Active Directory.Support of Virtual Machines hosted by MS Hyper-V and Azure.Installation and configuration of computer workstations.Develop training manuals for both position and for end-user applications.Monitor operation and performance of systems.
Oct 2021 - Jul 2022
System Administrator Iii
On contract to NASA Jet Propulsion Laboratory, Pasadena, CASupport of the Proposal Center - technical support for proposal development teams.Upgraded and maintained the IT infrastructure used in support of proposal development.Operated and maintained dedicated IT systems to include Web and application servers.Formulated and applied IT based solutions to improve proposal production.Co-ordinated with NASA JPL Data Security staff to preserve system integrity against data theft.Co-ordinate and supervised maintenance of 13 dedicated conference rooms.Optimized facilities to support the creation of proposals to NASA for new space missions.Asset and supply management for facilities and customers.
Jan 2014 - Mar 2021
System Administrator Ii
On contract to NASA Jet Propulsion Laboratory, Pasadena, CASupport of the Proposal Center - technical support for proposal development teams.Upgraded and maintained the IT infrastructure used in support of proposal development.Operated and maintained dedicated IT systems to include Web and application servers.Formulated and applied IT based solutions to improve proposal production.Co-ordinated with NASA JPL Data Security staff to preserve system integrity against data theft.Co-ordinate and supervised maintenance of 13 private conference rooms.Optimized facilities to support the creation of proposals to NASA for new space missions.Asset and supply management for facilities and customers.
Jan 2001 - Dec 2013
System Administrator
Oao Corporation
On contract to NASA Jet Propulsion Laboratory, Pasadena, CASupport of the Project Design Center and the Proposal CenterOperated backup system and file servers in support of the Project Design Center.Maintained 50 computer systems used by engineering and design staff.Purchased and installed software to accomplish specific design tasks.Planned for new IT services to increase efficiency of design of space projects.
Nov 1996 - Dec 2000
Network Technician Ii
Senior IT maintenance technician Maintained nearly 600 computer systems and associated networks.Administration and operation of servers and email system.Inventory of company IT assets.
Apr 1993 - Oct 1996
Account Executive
Sears, Roebuck, And Company
Retail in Northridge, CASales of office equipment, computers, electronics, and cell phones.Level 1 technical support.
Mar 1990 - Mar 1993
Aircraft Armament Systems Specialist
Served in England and Arizona, occasionally sent to Germany also.Maintenance of electronic and mechanical systems used in aircraft weapon systems.Served on both foreign and domestic tours.Honorably discharged.Held a Secret security clearance.
Apr 1986 - Jan 1990
Computer Lab Technician
Satellite location in Glendale, AZAdministration and maintenance of multi-user Xenix based computer system located at Luke AFB
Jan 1989 - Nov 1989
Shipping And Receiving Clerk
Shipping and receiving store merchandiseMaintenance and movement of materials in the store
Apr 1984 - Apr 1986
Delivery Driver
A.A. Rentals And Sales
Delivery and setup of rental equipment used for entertaining.
Jun 1983 - Mar 1984
1 education record
David Ryerson education
FAQ
Frequently asked questions about David Ryerson
Quick answers generated from the profile data available on this page.
What company does David Ryerson work for?
David Ryerson works for LADOT.
What is David Ryerson's role at LADOT?
David Ryerson is listed as Systems Analyst at LADOT.
What is David Ryerson's email address?
AeroLeads has found 1 work email signal at @lacity.org for David Ryerson at LADOT.
Where is David Ryerson based?
David Ryerson is based in Los Angeles, California, United States while working with LADOT.
What companies has David Ryerson worked for?
David Ryerson has worked for Ladot, City Of Los Angeles Office Of Finance, Mori Associates, Erc, Inc., and Oao Corporation.
How can I contact David Ryerson?
You can use AeroLeads to view verified contact signals for David Ryerson at LADOT, including work email, phone, and LinkedIn data when available.
What schools did David Ryerson attend?
David Ryerson holds Bachelor Of Science, Information Systems from California State University, Northridge.
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