Senior IT Server Engineer with 23+ Years Experience

JEFFERY MICHALSKI

Jacksonville, FL ***** 904-***-**** **************@*****.*** https://www.linkedin.com/in/jeffery-michalski-499a9575/ Professional Summary

Resourceful IT support engineer with 23+ years of experience delivering helpdesk and systems administration in fast paced environments. Expert in troubleshooting Windows endpoints, Microsoft Server, TCP/IP, DNS, firewalls, routers, and backup solutions. Skilled in customer service, technical documentation, and user training. I hold an Associate degree in Computer Science and ISC2 Certified in Cybersecurity.

Technical Skills

•Windows Server (NT4-2019) •Vulnerability Remediation •Terminal Services

•IIS •DNS •DHCP

•Hyper-V (2008-2016) •Active Directory •SQL

•Azure •RDP •LDAP

•Dell PowerEdge Servers •Dell PowerVault SAN •VEEAM

•Dell Switches and KVMs •HP Switches and KVMs •Cisco Routers

•Cisco Firewalls •Technical Documentation •Audits

•ServiceNow •Salesforce •BackupExe

•Solarwinds •Zerto •Globalscape EFT

•Citrix •VMware (v4-8) •vCenter

•Server Optimization •Desktop Support •Firewall

•SFTP •Microsoft Office •SIEM

•SSH •TCP/IP •VPN

•Juniper •Helpdesk •Routers

•Switches •Remote Desktop •Backup Software

•Backup Hardware •Server Hardening •Patching (WSUS)

•Git •Shell Scripting •Bash

•Docker •Jenkins •Nexus

Professional Experience

FIS

Jacksonville, FL

Senior Server Engineer II 12/2015 – 03/2024

• Provided remote support and troubleshooting for server and workstation systems, ensuring prompt resolution of client issues.

• Install, configure, and maintain server hardware and software across on-premise and cloud environments with emphasis on Windows Server, VMware, Hyper-V, and Azure environments.

• Manage server backups and disaster recovery using Backup Exec, Veeam, and Zerto for off-site storage of data and replication.

• Ensure server compliance, availability, performance, and security through continued vulnerability remediation, optimization, and compliance checking.

• Delivered assistance to users, addressing computer hardware and software inquiries with a focus on customer service with an average customer satisfaction of 80% or more.

• Diagnosed and resolved data communication and connectivity problems, including TCP/IP and DNS issues, across diverse environments.

• Documented client issues and resolutions thoroughly in service management systems to ensure accurate records and knowledge sharing, reducing tier 1 troubleshooting times with regards to the server teams by up to 30% on reoccurring issues.

• Trained team members and end users on proper use of software, hardware, and best practices to enhance productivity and reduce recurring issues.

• Collaborate with Security and Endpoint teams to analyze and remediate security vulnerabilities, supporting compliance while following change management protocols.

• Executed asset migrations and decommissioning, maintaining infrastructure reliability and adhering to company standards.

SunGard Relius

Jacksonville, FL

Senior Network Engineer 06/2000 – 12/2015

• Provided desktop and endpoint support, troubleshooting hardware and software issues to enhance user satisfaction and productivity.

• Supported and managed server environments, including Windows Server, SANs, and backup solutions, ensuring system reliability.

• Administration of Active Directory services, including the automation of tasks through GPOs, including deployments of vulnerability remediation and security fixes, as well as post-hardening optimization to servers.

• Coordinated with cross-functional teams to optimize network infrastructure, including firewalls, routers, and switches.

• Assisted users with data communication and connectivity issues, including TCP/IP and DNS troubleshooting.

• Delivered user training on software and hardware usage, improving adoption and reducing support requests.

• Maintained thorough documentation of IT processes, procurement, and support activities to ensure compliance and knowledge transfer.

• Conducted audits of IT procurement and support processes, contributing to successful company-wide compliance initiatives.

• Performed multiple migrations from physical to VMWare and Hyper-V environments, reducing the need and cost for physical servers and infrastructure by up to 50%.

Education

Florida Technical College

Jacksonville, Florida

Associate degree, Computer Science

2004-2006

TechWorld with Nana

DevOPS Bootcamp

2025-

Certifications

Certified in Cybersecurity

ISC2 June 21, 2024 – June 21, 2027

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