Dion Antonio Email & Phone Number
@opendoor.com
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Who is Dion Antonio? Overview
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Dion Antonio is listed as Staff Security Engineer at Opendoor, based in San Francisco, California, United States. AeroLeads shows a work email signal at opendoor.com and a matched LinkedIn profile for Dion Antonio.
Dion Antonio previously worked as Senior Security Engineer at Opendoor and IT Specialist at American Institute In Taiwan. Dion Antonio holds Ms, Computer Science from The George Washington University.
Email format at Opendoor
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AeroLeads found 1 current-domain work email signal for Dion Antonio. Compare company email patterns before reaching out.
About Dion Antonio
I am a cybersecurity expert with 14+ years of experience helping enterprise organizations secure and protect their data. In today’s data economy, companies live and die by data. I have a passion for safeguarding that data to protect both companies as well as their end-users. My diverse and well-rounded background is reflected in the various roles I’ve held within cybersecurity and information technology. I have experience with enterprise level security operations centers, threat hunting, incident response to real time events, and system security audits and assessments. I am known for helping organizations defend against cyber attacks by designing and implementing security solutions, identifying and remediating security vulnerabilities, and leveraging security controls such as web application firewalls and endpoint security devices.When I am not working, you can find me spending time with my family traveling, camping, and hiking. I also have a passion for running, and have completed over 20 marathons.
Listed skills include Information Security, Information Assurance, Security, Vulnerability Assessment, and 30 others.
Dion Antonio's current company
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Dion Antonio work experience
A career timeline built from the work history available for this profile.
Senior Security Engineer
It Specialist
As an IT Specialist in an overseas post, I oversaw the IT and telecommunications infrastructure in a secure computing environment. Due to the mission-critical and sensitive nature of the data processed in the facility, I focused on improving the information security program by making sure IT security controls were properly implemented, including patch management, access control, PKI, system hardening, disaster recovery, vulnerability management, and configuration management. My efforts have reduced the organization’s risk score to a level where it was continually in the top 10% within the enterprise. In an effort to reduce overhead, I led the project to migrate on-premise computing architecture to a Government cloud service: conducted engineering reviews, prepared local computing environment for the cloud, and worked project to completion.
Senior Security Engineer
In this remote position, I worked as a Senior Security Engineer integrating new telemetry sources for a client ArcSight SIEM system. I coordinated with the client to obtain requirements, researched telemetry sources to find out delivery method (i.e. syslog, SNMP, RESTful API, etc.), and developed and implemented software that processed and ingested the event data into the SIEM. I worked extensively with RESTful APIs from cloud services such as Salesforce and Okta, and with creating parsers to process JSON data from log sources.
Senior Security Engineer
I was embedded in a team of analysts monitoring and defending an enterprise global network. In my role as a Senior Security Engineer, I administered globally distributed, high throughput ArcSight and Splunk SIEMs. I engineered hundreds of analytics, dashboards, and reports to address the organization’s security concerns and emerging threats. Through the implementation of automation tools, I was able to help improve SOC workflow and to streamline analysis. I improved uptime and performance of the SIEMs by implementing operational controls.
Senior Ia Engineer
As a member of the US European Command Security Operations Center, I was responsible for engineering and maintaining the security solutions that monitored a large, dispersed enterprise network. I administered the full IT Security tools stack including the hardware, the operating systems, and the applications. I continually identified and implemented enhancements to the security tools. On top of my duties as an engineer, I also worked as an analyst discovering, investigating, and responding to security and operational incidents. Further, I conducted network security assessments, hardened systems, and remediated vulnerabilities.
Information System Security Officer
I led the security and FISMA risk management programs of IT systems that reached over 400 locations throughout the US. In this role, I conducted security audits, compiled regulatory documentation, ran vulnerability and patch management tasks, conducted OS and application hardening, monitored output of security tools, and wrote policies and procedures. To keep up with a wide range of responsibilities, I automated as many repetitive tasks as I could.
Security Engineer
It Security Specialist
Colleagues at Opendoor
Other employees you can reach at opendoor.com. View company contacts →
Richard Duffy
Colleague at OpendoorTempe, Arizona, United States
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MF
Michaela Fried
Colleague at OpendoorSan Francisco Bay Area, United States
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KM
Karen Mattingley
Colleague at OpendoorVancouver, Washington, United States
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GD
Gennifer Delman
Colleague at OpendoorNew York, United States
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LP
Leonela Padilla
Colleague at OpendoorGreater Phoenix Area, United States
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NC
Natalie Cordery
Colleague at OpendoorGoodyear, Arizona, United States
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TJ
Tara Jones
Colleague at OpendoorGreater Phoenix Area, United States
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LB
Luke Bunjovac
Colleague at OpendoorPhoenix, Arizona, United States
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VB
Vanessa Blasing
Colleague at OpendoorFairfield County, Connecticut, United States
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AT
Anika Thomas
Colleague at OpendoorGarland, Texas, United States
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Dion Antonio education
Ms, Computer Science
Bachelor Of Science (Bs), Computer Science
Frequently asked questions about Dion Antonio
Quick answers generated from the profile data available on this page.
What company does Dion Antonio work for?
Dion Antonio works for Opendoor.
What is Dion Antonio's role at Opendoor?
Dion Antonio is listed as Staff Security Engineer at Opendoor.
What is Dion Antonio's email address?
AeroLeads has found 1 work email signal at @opendoor.com for Dion Antonio at Opendoor.
Where is Dion Antonio based?
Dion Antonio is based in San Francisco, California, United States while working with Opendoor.
What companies has Dion Antonio worked for?
Dion Antonio has worked for Opendoor, American Institute In Taiwan, Wavestrong, Inc., Foxhole Technology, and Sra International.
Who are Dion Antonio's colleagues at Opendoor?
Dion Antonio's colleagues at Opendoor include Richard Duffy, Michaela Fried, Karen Mattingley, Gennifer Delman, and Leonela Padilla.
How can I contact Dion Antonio?
You can use AeroLeads to view verified contact signals for Dion Antonio at Opendoor, including work email, phone, and LinkedIn data when available.
What schools did Dion Antonio attend?
Dion Antonio holds Ms, Computer Science from The George Washington University.
What skills is Dion Antonio known for?
Dion Antonio is listed with skills including Information Security, Information Assurance, Security, Vulnerability Assessment, Cissp, Network Security, Information Security Management, and Fisma.
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