John Riordan
Telecommunications Technician at Commercial Technology Contractors Inc (CTCI) | New York City Metropolitan Area
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Telecommunications Technician at Commercial Technology Contractors Inc (CTCI) in May 2016 to Present
MDF Technician/Manager at Time Inc. Ion Computer in August 2015 to January 2016
Avaya Engineer at AT&T woking at Horizon Blue Cross in July 2012 to March 2015
Critical Infrastructure & Facilities Environmental, Health, & Safety Lead at RR Donnelly and Sons Company (Formerly Bowne & Co, acquired by RRD in 2010) in November 2011 to March 2012
Critical Infrastructure Lead/ IT Engineer at RR Donnelly and Sons Company (Formerly Bowne & Co, acquired by RRD in 2010) in November 2010 to November 2011
Lead Technologist Critical Infrastructure at Bowne and Company, Inc in February 1991 to November 2010
Maintenance Engineer at Pandick Press, Inc in February 1989 to February 1991
Warehouse Mgr at EL Smith Printing in January 1987 to January 1989
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Telecommunications Systems
Voice over IP (VoIP)
Telephony Support
Operations Management
Vendor Relations
Troubleshooting
Vendor Management
Process Improvement
Value Engineering
Software
Project Management
Integration
Data Center
Program Management
Change Management
Security
Disaster Recovery
Management
Cross-functional Team Leadership
Training
Telecommunications
IT Management
System Administration
Project Planning
CRM
Technical Support
Networking
Leadership
Business Process Improvement
VoIP
Visio
Infrastructure
Budgets
Team Leadership
Outsourcing
SharePoint
IT Strategy
Cloud Computing
Information Technology
System Deployment
Testing
IT Operations
PMP
Microsoft Exchange
Incident Management
Enterprise Architecture
IT Service Management
Business Continuity
Project Portfolio Management
Software Documentation
Team Building
Customer Relationship Management (CRM)
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What is John Riordan email address?
Email John Riordan at [email protected] and [email protected]. This email is the most updated John Riordan email found in 2026.
What is John Riordan phone number?
John Riordan phone number is +17328033480 and +13612290828.
How to contact John Riordan?
To contact John Riordan send an email to [email protected] or [email protected]. If you want to call John Riordan try calling on +17328033480 and +13612290828.
What is John Riordan net worth?
John Riordan has an estimated net worth of $750,000 to $999,999
What company does John Riordan work for?
John Riordan works for Commercial Technology Contractors Inc (CTCI)
What is John Riordan's role at Commercial Technology Contractors Inc (CTCI)?
John Riordan is Telecommunications Technician
What industry does John Riordan work in?
John Riordan works in the Telecommunications industry.
John Riordan Email Addresses
John Riordan Phone Numbers
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