Senior System Administratror
Resume:
With a seasoned career spanning over ** years, this professional stands
as an innovative IT Specialist, proficient in system administration and Microsoft specialties. This track record showcases excellent communication skills, facilitating seamless collaboration with colleagues across all levels and fostering enduring relationships with customers. Fluent in both English and Spanish, these skills transcend language barriers. A commitment to continuous advancement drives this individual, consistently embracing new processes and techniques to refine abilities and aiming to be a significant asset to any forward- thinking company. At present, the objective is to secure a position as a Sr System Administrator or a System Engineer, ideally within a dynamic organization that values leveraging the latest technology to create a meaningful impact.
Work History
2022-05 -
2023-08
Senior Network Engineer
Onbe, Remote, IL
• Collaborated with IT teams such as DevOps,
CloudOps, Data Services, Security, and PMO to
support Azure AD integrations and other IT systems.
• Configured system monitors and alarms to meet
uptime and performance SLAs, coordinating with
third-party vendors for IT system development and
support.
• Oversaw software and hardware installation and
maintenance, ensuring junior Service Desk
specialists understood standard procedures and
new initiatives.
• Engaged directly in major incident work, evaluating architecture and design deliverables, and
specializing in Azure, Autopilot, Endpoint, Exchange, Teams, and other O365 Admin tools.
• Fostered knowledge management within the team,
ensured knowledge transfer, and liaised with
infrastructure and technology groups to drive
Contact
Address
Chicago, IL 60666
Phone
ad0a26@r.postjobfree.com
https://www.linkedin.com/i
n/juan-m-giraldo/
Technical Profile
General:
Documentation, System
Administration,
Virtualization, Backups,
Technical Support
Helpdesk, Networking,
Customer Service.
Operating Systems:
Windows 98 to 10, Windows
Server 2003 to 2019, Mac
OS X.
Software:
Microsoft 365 Suite,
Exchange Server, Skype for
Business, MS Teams, Active
Directory, Windows Server
roles,
Intune, SCCM, Antivirus
programs, VPN solutions,
Juan Giraldo
System Administrator
initiatives, resolve problems, and uphold service
levels.
2021-01 -
2022-04
System Engineer II
Entara, Remote, IL
• Focus areas include managing client and
infrastructure hardware and software,
encompassing desktops, laptops, servers, storage,
Windows & Linux OS, Active Directory, Group Policy, Exchange, Office 365, Hyper-V, and VMWare.
• Established expertise in specific areas of systems infrastructure or vendor hardware/software,
addressing and resolving assigned incidents and
requests.
• Produced and refined IT Glue documentation,
Knowledge Base (KB) documents, and checklists
while acting as the Lead Engineer for Critical P1
incident processes.
• Complied with Service Level Agreement (SLA)
standards, ensured commitments were met, and
acted as the Primary Engineer for assigned clients, ensuring effective support.
2018-10 -
2020-12
System Administrator
Seminole Electric Cooperative, Tampa, FL
• Configured and maintained VMware infrastructure
across host and virtual servers, utilizing Active
Directory on-premises or Azure for account
creation, user permission management, and group
policy edits.
• Deployed and managed the Office 365 Exchange
environment, setting Exchange Online Protection
and advanced threat protection policies and rules, ensuring security.
• Managed the anti-malware solution from inception to deployment and served as an escalation point
for Helpdesk in troubleshooting and resolving user issues.
• Established a robust file server system to enhance performance between sites and implemented
Seminole Electric documentation for the IT
department, clarifying various processes and tasks. Remote desktop tools,
VMware tools system,
Nutanix, Veeam backup,
Barracuda, VOIP Systems,
Good Enterprise, Citrix
XenApp & ADC, Azure,
Internet Browsers,
Certificate Authority,
ServiceNow, Proofpoint, IT
Glue, Okta, PRTG, Jira,
Confluence.
Networking:
IP & Subnetting, Setting
dial-up & Broadband
connections, Wi-Fi Switches
& Router Configuration.
Hardware:
Computer Hardware &
Peripherals for both PC &
Macs, Network Switches,
Firewalls, VOIP
Configuration & Support,
Riverbed, Aruba Aerohive,
SAN&NAS Configuration &
Setup.
2013-04 -
2018-10
Network Engineer
Aspire Financial Services, Tampa, FL
• Administered servers in the data center, resolved issues for local and remote users, monitored servers and phone systems, and updated Active Directory
with user, computer, and application integrations.
• Transitioned the Exchange environment from 2003
to 2010 and to Office 365, managed Office 365's
multi-tenant setup, and oversaw backups for
company servers.
• Ensured computer functionality, decommissioned
servers and data centers, and upheld IT
infrastructure efficiency.
• Introduced processes for the IT department and
provided training documents to familiarize users
with system utilization.
2012-01 -
2013-04
System Administrator
MarkMaster Inc, Tampa, FL
• Managed the company's networking, infrastructure, PC repairs, peripherals, servers, and phone
infrastructure via the PBX system.
• Created new user accounts in software
applications and managed server troubleshooting.
• Ensured system efficiency and integrity with IT
support, hardware repair, and software updates.
Education
2009-12 -
2010-08
IT Classes: Computer Science
New Horizons Computer Learning Center - Orlando
2004-08 -
2005-09
Associate of Science: Recording Arts Technology
Full Sail University - Winter Park
.
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