adamko.ch

Senior Systems Administrator with 10+ years managing hybrid Windows, Linux, and multi-cloud (AWS, Azure) environments across healthcare, financial services, and education. Proven record of cutting cloud costs 25–30% and manual workload 40% through automation, while maintaining NIST and GLBA compliance for enterprise environments supporting nearly 4,000 users.

Advanced Technical Proficiencies

Languages: PowerShell, Python, Bash, Lua, XML
Software & Tools: Microsoft 365, Active Directory, Group Policy, DNS, DHCP, ServiceNow, Git, ConnectWise Automate, NinjaOne, Rubrik, Azure Virtual Desktop, Packer
Hypervisors: Nutanix, VMware, Hyper-V
Operating Systems: Linux (CentOS, Ubuntu, Mint, Fedora, RHEL); Windows 7–11; Windows Server 2008/R2–2025
Cloud Platforms: Amazon Web Services (AWS), Microsoft Azure

Professional Experience

Senior Systems Administrator May 2023 – Present

Movement MortgageIndian Land, SC

Designed, implemented, and managed AWS and Azure cloud solutions, improving system performance while cutting infrastructure costs by 30%.
Administer on-premises and cloud-based Linux and Windows servers supporting mission-critical applications, maintaining high availability and security.
Built automation scripts in PowerShell, Bash, and Python for deployment, configuration, and monitoring, reducing manual intervention by 40%.
Lead cloud security initiatives — network segmentation, encryption, IAM policies, and vulnerability management — ensuring compliance with NIST and GLBA standards.
Run recurring cloud cost reviews identifying underutilized resources, delivering 25% in ongoing monthly savings.
Architected and maintain an Azure Virtual Desktop environment spanning 4 host pools, using Packer to automate golden-image builds and ensure consistent, repeatable desktop deployments.
Led deployment of a hybrid Rubrik backup solution spanning cloud and on-premises appliances, establishing disaster recovery capabilities where none previously existed.

Manager, Systems Administration Nov 2020 – May 2023

Global Lending ServicesGreenville, SC

Co-managed 20 physical Hyper-V hypervisors and 100+ virtual machines across Rackspace, Azure, and AWS as part of a 4-person systems team.
Deployed and managed network, application, and security infrastructure to automate financial decisioning for automotive loans, partnering with IT Security to meet federal regulatory requirements.
Administered 1,200+ user accounts across Active Directory, Azure AD, and Microsoft 365; developed Group Policies to harden workstation and server security.
Automated administrative workflows using PowerShell, Batch, and Bash, cutting time spent on repetitive tasks by an estimated 35%.

IT Systems Administrator May 2019 – Nov 2020

Southside Christian SchoolSimpsonville, SC

Managed a 2-host VMware ESXi server fleet running 29 VMs and administered an on-premises Exchange server for 250+ active accounts.
Imaged, deployed, and maintained a fleet of ~250 desktops and laptops; authored and enforced workstation-use and Group Policy standards.
Built an MDT/WDS PXE-boot imaging solution that cut per-device deployment time by an estimated 50%.
Administered Active Directory across two domains, an Azure AD domain, and a Google Workspace directory of ~500 Chromebooks; deployed a CentOS server for infrastructure monitoring.
Built a PDQ Deploy/Inventory infrastructure for centralized patching across the full device fleet, including servers.
Deployed and managed JAMF School with Apple School Manager to administer a 150-device iPad fleet.

Associate Application Analyst May 2018 – May 2019

Care Coordination InstituteGreenville, SC

Configured and administered production and test RHEL 7 servers for a care-coordination software platform, minimizing downtime through proactive troubleshooting and root-cause analysis.
Led feasibility research and test-plan development for an Oracle-to-AWS database migration, ensuring compliance with technical specifications.
Supported application implementation, validation, upgrades, and documentation across the full software lifecycle.

I/S Desktop Analyst Jan 2014 – May 2018

Greenville Health SystemGreenville, SC

Deployed and maintained a health-system-wide desktop fleet using Microsoft SCCM; streamlined procurement, installation, and licensing for desktops, software, and peripherals.
Built a Google Chrome extension that improved administrative tracking and incident-response workflows for the desktop analyst team.
Met SLA targets resolving tickets and providing hands-on support across Windows desktops, laptops, and workstations; served as subject matter expert for AD account lifecycle and Group Policy.

Education

Bachelor of Science, Cloud & Systems Administration — Western Governors University May 2018 – Sep 2019

Training & Certifications

Microsoft Azure Administrator Associate AZ-104 — Microsoft Feb 2023

Microsoft Azure Fundamentals AZ-900 — Microsoft May 2021

Security+ CE SY0-501 — CompTIA Mar 2018

LPIC-1: Linux Administrator — Linux Professional Institute Jun 2018

Server+ SK0-004 — CompTIA Mar 2018

Additional certifications (2013–2018): CompTIA, Microsoft, and ITIL foundational certifications available upon request.