Christiano Mendonça
@christianomendona
Senior IT support and network analyst specializing in Windows server administration and bilingual technical support.
BrazilWhat I'm looking for
I am a senior IT support and network analyst with extensive experience in infrastructure administration, Windows server environments, and bilingual customer-facing technical support. I hold a Bachelor's Degree in Systems Analysis from PUC/PR and am fluent in English and Portuguese.
Throughout my career I have delivered Level I–III support, managed migrations and server installations across global locations, and collaborated with international teams at companies such as Wiley, HCL Technologies and Volvo. I contribute to global support strategy, handle critical escalations, and use metrics to monitor and improve service quality.
I bring leadership, proactivity, and strong communication skills, coupled with hands-on experience in Exchange, Hyper-V, Active Directory, DHCP, DNS and a range of network monitoring and ticketing tools. I seek roles where I can apply my technical expertise and customer-centered mindset to drive excellent support outcomes.
Experience
Work history, roles, and key accomplishments
WIProvide global technical support, ensuring SLA compliance and timely ticket resolution while contributing to cross-functional projects and monitoring escalations to improve support quality.
APEvaluated online web content against detailed criteria to improve search and content relevance as part of distributed evaluation projects.
UTApplication Tester
uTest
Jan 2014 - Present (11 years 9 months)
Executed test cases on mobile and web applications, reporting bugs and performing functionality, localization and layout tests to improve product quality.
HTSenior Bilingual Service Desk Analyst
HCL Technologies
Jan 2019 - Jan 2021 (2 years)
Delivered first-level bilingual support via chat, calls and ServiceNow, produced KB documentation and conducted internal trainings to improve incident resolution and knowledge sharing.
Bilingual Network Operator
Premier IT Global Services
Jan 2017 - Jan 2019 (2 years)
Monitored internet environments for national and international clients, provided Level I support, opened tickets via monitoring tools and coordinated with global teams to resolve incidents.
Senior Network Analyst
Cantoni Revisões
Nov 2013 - Feb 2015 (1 year 3 months)
Led Level III support and administration of company servers and networks including Windows Server, Exchange and Hyper-V, implementing services such as AD, DNS, DHCP, GPOs and IIS.
WTSupported MasterCard Banknet network and performed MIP analysis using enterprise network management tools to monitor and report network performance and incidents.
Migration Analyst
ExxonMobil Business Support Center Brazil
Dec 2009 - Nov 2010 (11 months)
Installed and migrated remote Windows servers across Europe and Asia, executing data migrations from Windows Server 2003 to 2008 and supporting mid-level production environments.
Education
Degrees, certifications, and relevant coursework
DLTEC
Certificate, IT Service Management / Linux
Completed ITIL Foundation V3 (20 hours) and Linux Essentials (40 hours) training (online) in 2017.
McAfee (Channel Partner Training)
Certificate, Information Security
2011 - 2011
Completed McAfee technical professional trainings in Data Protection, Network Defense, System Security, and Web & Email Security in 2011.
CISCO Networking Academy
Certificate, Networking
Completed a 70-hour networking course through the CISCO Networking Academy in 2004.
MCM. Cury Computação
Certificate, Systems Administration
Completed a 120-hour MCSE on Networks with Windows 2000 Server preparatory course in 2002.
PPPontifical Catholic University of Paraná
Bachelor of Science, Systems Analysis
Bachelor's Degree in Systems Analysis completed in December 1999.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
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