Igor Guarisma
Principal Security Consultant at Difenda- Claim this Profile
Click to upgrade to our gold package
for the full feature experience.
-
English Native or bilingual proficiency
-
Spanish Native or bilingual proficiency
Topline Score
Bio
Paul Zhang
It is a good experience to work with Igor. He is very professional and has very good knowledge with Splunk. Besides Splunk, he also shows a good understanding of system and network which can be rely on for designing and implementing different solutions.
Roberto Nhuch
I had the pleasure to work with Igor on a few projects at Symantec. Igor is very dedicated, with very positive attitude, has an amazing technical expertise and always communicated the status of the project promptly. He makes everybody's life easier.
Paul Zhang
It is a good experience to work with Igor. He is very professional and has very good knowledge with Splunk. Besides Splunk, he also shows a good understanding of system and network which can be rely on for designing and implementing different solutions.
Roberto Nhuch
I had the pleasure to work with Igor on a few projects at Symantec. Igor is very dedicated, with very positive attitude, has an amazing technical expertise and always communicated the status of the project promptly. He makes everybody's life easier.
Paul Zhang
It is a good experience to work with Igor. He is very professional and has very good knowledge with Splunk. Besides Splunk, he also shows a good understanding of system and network which can be rely on for designing and implementing different solutions.
Roberto Nhuch
I had the pleasure to work with Igor on a few projects at Symantec. Igor is very dedicated, with very positive attitude, has an amazing technical expertise and always communicated the status of the project promptly. He makes everybody's life easier.
Paul Zhang
It is a good experience to work with Igor. He is very professional and has very good knowledge with Splunk. Besides Splunk, he also shows a good understanding of system and network which can be rely on for designing and implementing different solutions.
Roberto Nhuch
I had the pleasure to work with Igor on a few projects at Symantec. Igor is very dedicated, with very positive attitude, has an amazing technical expertise and always communicated the status of the project promptly. He makes everybody's life easier.
Credentials
-
Linux Foundation Certified System Administrator
The Linux FoundationNov, 2016- Oct, 2024 -
Splunk Certified Consultant II
SplunkDec, 2015- Oct, 2024 -
Splunk Certified Consultant Level I
SplunkJun, 2015- Oct, 2024 -
ITIL Intermediate Certificate in Planning Protection and Optimization (PPO)
Pink ElephantMay, 2015- Oct, 2024 -
Splunk Architect
SplunkMay, 2015- Oct, 2024 -
GIAC Advisory Board
GIACFeb, 2014- Oct, 2024 -
ITIL Foundation v3
Pink ElephantMay, 2011- Oct, 2024 -
CompTIA Linux+
CompTIAJan, 2009- Oct, 2024 -
GIAC Web Application Penetration Tester (GWAPT)
GIAC CertificationsMay, 2018- Oct, 2024 -
GIAC Penetration Tester (GPEN)
GIACFeb, 2014- Oct, 2024 -
Microsoft Certified: Azure Security Engineer Associate
MicrosoftJun, 2021- Oct, 2024 -
Microsoft 365 Certified: Security Administrator Associate
MicrosoftFeb, 2021- Oct, 2024 -
Microsoft Certified: Security Operations Analyst Associate
MicrosoftJan, 2022- Oct, 2024
Experience
-
Difenda
-
United States
-
IT Services and IT Consulting
-
1 - 100 Employee
-
Principal Security Consultant
-
Feb 2015 - Present
Responsible for leading and delivering various projects such as SIEM implementations, security audits and assessments and security strategy development. Implementation of digital certificate management system. Responsible for leading and delivering various projects such as SIEM implementations, security audits and assessments and security strategy development. Implementation of digital certificate management system.
-
-
-
-
Sr. Security Consultant
-
Feb 2015 - Nov 2017
Paladion Inc is now Difenda Paladion Inc is now Difenda
-
-
-
Symantec
-
United States
-
Software Development
-
700 & Above Employee
-
Principal Security Infrastructure Administrator (Sr. Linux Engineer)
-
Jan 2012 - Jan 2015
Responsible for a huge mission critical infrastructure that hosts Symantec.cloud security services around the world, specifically the Web Security Service (WSS), Instant Message Security service (IMSS) and eMail Security Service (ESS).Provide environment specifications for the different .Cloud Security Services and every new feature provided to our clients depending on the capacity expectations previously calculated that contemplates number and types of servers, networking gear and details like VLANs, IP addresses, subnetting, routing, data flows, logical and physical diagrams.Create deployment plans with specific steps to be followed by the different deployment teams and operations specialists for any new service as well as for changes requested to the production infrastructure, working very close to the project manager as a Technical Lead of each project.Be part of the Change Advisory Board (CAB) to discuss and approve changes to the platform in a weekly basis.
-
-
-
-
Systems Administrator
-
Jul 2010 - Jan 2012
Administer large mission critical Linux and Vmware ESX servers, hosting the dating websites www.ashleymadison.com, www.cougarlife.com and www.hotornot.com, between others Planned and executed several important infrastructure and software changes to improve the response time of the biggest site, www.ashelymadison.com. Designed and installed an automatic Operating System deployment service using cobbler as a PXE booting service and RPM repository and puppet as a centralized repository of configuration files. Implemented, configured and maintained web-based centralized monitoring systems (Nagios, Cacti and NewRelic) which monitor/report system log entries, various processes, systems performance, reporting on system conditions, emailing as necessary and recording long term data for trend analysis and resource allocation tracking. Developed several BASH shell scripting and PERL programming to streamline daily administrative routines, monitoring and reporting. Pinpointed and resolved operating system, application software, hardware, and network problems on various platforms.
-
-
-
Ganz
-
Hungary
-
Shipbuilding
-
1 - 100 Employee
-
Systems Administrator/Team Lead
-
Feb 2008 - Jul 2010
Deployment and 24x7 support of the main websites for kids, www.webkinz.com, www.webkinzjr.com, www.webkinznewz.com and www.ganzestore.com and their new features, using the LAMP platform. Implemented, configured and maintained web-based centralized monitoring systems (Nagios and Cacti) which monitor/report system log entries, various processes, systems performance, reporting on system conditions, emailing as necessary and recording long term data for trend analysis and resource allocation tracking. Responsible of the developer’s environments using Xen and VMware to virtualize Linux and Windows servers. As the technical lead of the Operating Systems team, I was responsible of the tasks I assign to my team in regards server installation, package upgrades, user management, and performance monitoring. Plan and execution of Linux distribution migration from Gentoo to Red Hat 5.3.
-
-
-
Smartmatic
-
United Kingdom
-
IT Services and IT Consulting
-
300 - 400 Employee
-
Hardware and OS Specialist
-
2006 - 2007
-
-
-
-
Systems Administartor
-
2005 - 2006
-
-
-
EDUNET
-
Australia
-
Computer Hardware Manufacturing
-
1 - 100 Employee
-
Systems Administartor
-
2005 - 2005
-
-
-
Universidad Central de Venezuela
-
Venezuela
-
Higher Education
-
700 & Above Employee
-
Preparador II - Data Comunications
-
2001 - 2003
-
-
Education
-
Universidad Central de Venezuela
Bachelor in Computer Sciences, Computer Science -
Instituto Diocesano Pablo VI
-
Instituto Diocesano Pablo VI