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David Day
IT Security Specialist | A+, Net+, CySA+ 003, Juniper JNCIA-JUNOS, ISC2 CC,
Pittsburgh, PA, United States
Details
Experience:
2023 : Present
Per Scholas
Instructor Teaching Assistant (Cybersecurity)
Implement security hardening practices for phone and network equipment. Use packet sniffing, event log review and XHTML coding to detect, contain and remediate VoIP hacks for Incident Response. Maintain CIA Triad for clients' security interest. Engineer/build business VoIP environments for a business telephone service provider, which includes : Listen to client requests to suggest alternate call flow behavior with a purpose to implement clients ideas for CoreDial (Asterisk) / SkySwitch (Netsapien). Document PBX builds, PBX installation, and break fix repair process in a web based ticketing system. Assist in running Ethernet cabling for businesses.
2017 : 2018
Third Generation
Voice Technician
Troubleshoot and eliminate attack vector(s) for ShoreTel PBX within Win Server 2008/2012 and PBX appliance for enterprise sites. Security incidents include : OpenSSH SIP Trunk hijacking; Spoofing Caller ID; Spoofed INVITE Requests; DoS/DDoS; Unauthorized Server Logins. Resolve VoIP incidents and issues escalated to senior level engineers. Engineer/build business VoIP environments for a business telephone service provider, which includes : Listen to client requests to suggest alternate call flow behavior with a purpose to implement client ideas for PaaS Broadworks Enterprise Sites. Document installation/repair process web based ticketing system. Troubleshoot Peering ITSP Vendors issues/through Atlantech Online service provider network.
2014 : 2017
Atlantech Online
Voice Engineer I
Working in a Helpdesk environment, IT Helpdesk Tier 1 Agent is responsible for quickly resolving Desktop and Laptop issues.
In addition, Helpdesk Tier 1 agent will occasionally give instructional direction via phone and email on how to use various OS or Software.
2013 : 2014
Insight Global INC
IT Helpdesk Tier 1
IT Deskside Support / Entry Level Network Administrator for multiple contracted IT infrastructures. Supported Microsoft Office Users; maintain a Microsoft Client / Server environment.
Monitor and administer Access Control for a Windows Domain. Collect Windows Event Logs and connect relevant alerts to needed break fix actions. Identify malicious IP and domains to block/blacklist at the edge device(s) such as firewall(s) and exchange server.
Perform System Admin for a Linux environment for a non-profit which included Ubuntu Workstation, Ubuntu File Server and Ubuntu DC.
IT Deskside Support / Entry level Network Administrator also triple as a Printer Technical Support Agent of HP Printers.
2012 : 2013
True Math Technologie
IT Deskside Support / Entry level Network Administrator
Per Scholas
Instructor Teaching Assistant (Cybersecurity)
Implement security hardening practices for phone and network equipment. Use packet sniffing, event log review and XHTML coding to detect, contain and remediate VoIP hacks for Incident Response. Maintain CIA Triad for clients' security interest. Engineer/build business VoIP environments for a business telephone service provider, which includes : Listen to client requests to suggest alternate call flow behavior with a purpose to implement clients ideas for CoreDial (Asterisk) / SkySwitch (Netsapien). Document PBX builds, PBX installation, and break fix repair process in a web based ticketing system. Assist in running Ethernet cabling for businesses.
2017 : 2018
Third Generation
Voice Technician
Troubleshoot and eliminate attack vector(s) for ShoreTel PBX within Win Server 2008/2012 and PBX appliance for enterprise sites. Security incidents include : OpenSSH SIP Trunk hijacking; Spoofing Caller ID; Spoofed INVITE Requests; DoS/DDoS; Unauthorized Server Logins. Resolve VoIP incidents and issues escalated to senior level engineers. Engineer/build business VoIP environments for a business telephone service provider, which includes : Listen to client requests to suggest alternate call flow behavior with a purpose to implement client ideas for PaaS Broadworks Enterprise Sites. Document installation/repair process web based ticketing system. Troubleshoot Peering ITSP Vendors issues/through Atlantech Online service provider network.
2014 : 2017
Atlantech Online
Voice Engineer I
Working in a Helpdesk environment, IT Helpdesk Tier 1 Agent is responsible for quickly resolving Desktop and Laptop issues.
In addition, Helpdesk Tier 1 agent will occasionally give instructional direction via phone and email on how to use various OS or Software.
2013 : 2014
Insight Global INC
IT Helpdesk Tier 1
IT Deskside Support / Entry Level Network Administrator for multiple contracted IT infrastructures. Supported Microsoft Office Users; maintain a Microsoft Client / Server environment.
Monitor and administer Access Control for a Windows Domain. Collect Windows Event Logs and connect relevant alerts to needed break fix actions. Identify malicious IP and domains to block/blacklist at the edge device(s) such as firewall(s) and exchange server.
Perform System Admin for a Linux environment for a non-profit which included Ubuntu Workstation, Ubuntu File Server and Ubuntu DC.
IT Deskside Support / Entry level Network Administrator also triple as a Printer Technical Support Agent of HP Printers.
2012 : 2013
True Math Technologie
IT Deskside Support / Entry level Network Administrator
Company:
Per Scholas
Spoken Language:
Chinese, English, Japanese, Korean
About
Very interested in other Cultures and the languages that adorns them. Ambitious Information Security Professional with 8+ years of experience who believes in protecting people and critical assets. Seeking an employment opportunity to fulfill a career path that has been of interest since 2016, securing the world from the never ending onslaught of threat actors.
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