Alek Markovic
Senior Systems Administrator
Sarasota,FL
Summary
Senior Systems Administrator with 13+ years of experience in application support, cybersecurity, engineering, network administration, system administration, and team management. Team player with strong communication and presentation skills. Excellent reputation for resolving technical issues, exceeding customer satisfaction, meeting SLA deadlines, lowering costs, and driving overall operational improvements. Looking to obtain a position as a Senior Systems Administrator.
Overview
12
12
years of professional experience
2
2
Languages
Work History
Senior Systems Administrator
Velocity Global
06.2023 - Current
- Implemented virtualization technologies using AWS and Azure to maximize resource utilization.
- Performed a full migration from Google to Okta.
- BYOD MDM deployment to all androids and iOS devices.
- Setup company automation using Make & BetterCloud.
- Setup and maintained all DNS records using Cloudflare, Gitlab, and Terraform.
- Performed a full Notion to Confluence migration.
- Setup and configured DLP using EPP on all company devices.
- Migrated all applications to Okta using JIT & SCIM.
- Migrated all devices from Jamf to Kandji.
- Setup an Okta OIDC SSO EIAM bridge for clients using Velocity Global services.
- Performed a full Zendesk to Devrev migration.
- Intune application deployments and updates.
- Established standard operating procedures for consistent system maintenance across all environments.
Senior IT Application Support Engineer
Syapse
10.2021 - 06.2023
- Kaseya to Microsoft Intune migration system wide.
- Decreased company phish prone % from 30% to 3%.
- Performed infrastructure wide VPN migration from Aviatrix, to Global Protect, to Cisco Any Connect.
- HiTrust HIPAA/PHI compliance met for 2021-2023.
- Insourced all IT work from BoxIT & LANSG vendors.
Technical Support Engineer
Agari
10.2020 - 10.2021
- Performed customer training, troubleshooting, and diagnostic capabilities on all 3 Agari platforms.
- Ensured DMARC/DKIM/SPF alignment with all clients.
- Worked in conjunction with Engineering on high severity cases that impacted Tier 1 & 2 customers.
- Supported ACID team, Cisco Engineers, and the F.B.I on high threat security vulnerabilities.
Senior Corporate IT Engineer
Cadre
05.2018 - 10.2020
- Setup Chicago/Toronto office switches, AP's, 100 work stations, 18 AV/VC rooms, and security systems.
- Upgraded infrastructure of entire NY office to support tripling of overall hardware & users.
- Provided 24/7 support to CEO and executives.
- Performed maintenance on entire IT infrastructure.
- Migrated NCP to Cisco & Meraki to Air Watch.
IT Support Engineer
New York Stock Exchange
10.2017 - 05.2018
- Carried out weekly schedule of auditing terminated user accounts, assets, and VDI's.
- Used Putty to open/close ports, enable/disable NAC, toggle port security, and decom VOIP.
- Pushed software, updates, and scripts via Altar's.
- Trading floor support for equities, ETF's, options, bonds, brokers, media, and VP's during bell ringing.
Enterprise Engineer
Facebook
01.2017 - 10.2017
- Setup phase 1,2 & 3 of NY Facebook office.
- Diagnosed issues on servers, computers, oculus's, way finders, dashboards, and conference rooms.
- Assisted developers with dev server setup, reserving, connecting, permissions, and repositories.
- Application support for VMware, VMfusion, Citrix receiver, and all applications in MSC/Chocolatey.
- On-boarded/Trained all new hires and IT staff.
Desktop Engineer
New York Racing Association
02.2015 - 01.2017
- Team lead & escalation point for executive support.
- Trained/Mentored help desk on complex issues.
- Performed multiple server migrations, additions, upgrades, disaster recovery, mitigation, and BCP.
- Added AP's at Aqueduct, Belmont, and Saratoga tracks to provide coverage for 100,000 devices.
IT Support/Technology Project Management
American Stock Transfer & Trust LLC
01.2013 - 02.2015
- Created documentation and standardized all policies and procedures for IT/Project Management.
- Performed full scale disaster recovery migration.
- Migrated over 500 machines from XP to Windows 7.
Education
Associates - Computer Technology, Applied Science
LaGuardia Community College of The City University of New York
Long Island City, NY 03.2012 - 2014.12
Skills
CCNA Certified
Okta Certified Professional
AWS Certified Cloud Practitioner
Microsoft Exchange & O365
Windows Server 2016
Active Directory
Azure & SQL
G Suite
Citrix/VMware
Wireshark/Putty
Meraki
Atlassian
Ring Central
Intune
Jamf
Kandji
SolarWinds
Salesforce
SharePoint
Cloudflare
Gitlab
Terraform
BetterCloud
Glean
Timeline
Senior Systems Administrator
Velocity Global
06.2023 - Current
Senior IT Application Support Engineer
Syapse
10.2021 - 06.2023
Technical Support Engineer
Agari
10.2020 - 10.2021
Senior Corporate IT Engineer
Cadre
05.2018 - 10.2020
IT Support Engineer
New York Stock Exchange
10.2017 - 05.2018
Enterprise Engineer
Facebook
01.2017 - 10.2017
Desktop Engineer
New York Racing Association
02.2015 - 01.2017
IT Support/Technology Project Management
American Stock Transfer & Trust LLC
01.2013 - 02.2015
Associates - Computer Technology, Applied Science
LaGuardia Community College of The City University of New York
03.2012 - 2014.12
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