Jeff Sepeta
574-334-6177
jsepeta@gmail.com
Professional Summary:
Experienced IT professional with a strong background in system administration and technical management. Proven ability to streamline processes and enhance system efficiency, demonstrated by recovering $180,000 in lost revenue through effective ERP implementation. Skilled in managing diverse technical environments across industries, aiming to leverage expertise to optimize system performance and support organizational growth.
Employment:
Piper Networks (Contractor)
Technical Engineering Manager, NICTD – Michigan City, IN
March 2024 – August 2025
• Mentored and trained full-time staff in system administration and network engineering, enhancing team skills and performance
• Assisted in managing VMware, Veeam, and storage systems, facilitating a smooth migration to updated software platforms
• Developed comprehensive documentation using Word and Visio for existing systems and new hardware and software technologies, improving team understanding and efficiency
• Managed projects and provided 3rd level support 24×7, ensuring continuous system availability and reliability
TekSystems (Contractor)
Systems Administrator, LanzaJet – Deerfield, IL
July 2023 – September 2023
• Developed and implemented digital signage on the Raspberry Pi platform (Linux), enhancing communication efficiency across the organization
• Consulted with NetSuite developers to design and implement help desk ticketing and asset management systems, improving support response times and asset tracking
• Procured and deployed PC hardware (Dell, HP, Lenovo, Microsoft), software, licenses, and services for global operations, ensuring seamless technology integration and support
• Managed Azure / M365 accounts to efficiently onboard new staff, facilitating rapid team expansion and resource allocation
Pace Systems (Contractor)
Network Administrator, University of Chicago Medical – Chicago, IL
March 2023 – July 2023
• Deployed and resolved issues with PC hardware, software, network, and licenses, ensuring smooth operations and minimizing downtime
• Utilized Microsoft System Center Configuration Manager (SCCM) to keep computers up to date, enhancing system security and performance
• Resolved ServiceNow tickets daily with follow-ups to ensure end user satisfaction, improving user experience and service efficiency
Senior Exchange Administrator, Rush University Medical Center – Chicago, IL
October 2021 – March 2023
• Migrated 15,000 email accounts from on-premises Exchange 2019 servers to Microsoft 365 / Azure Exchange, enhancing email reliability and security with Proofpoint
• Consulted on the migration of 3,500 users from IBM Lotus Notes to Microsoft 365 / Azure Exchange, ensuring a smooth transition and improved user experience
• Handled ServiceNow tickets related to messaging and faxing, utilizing Active Directory to resolve issues efficiently and improve service response times
• Modified PowerShell and Exchange Shell scripts after support ended for Basic Authentication, ensuring continued functionality and security compliance
Saggezza (Contractor)
Infrastructure Project Manager, ePost Global – Itasca, IL
November 2020 – September 2021
• Designed a Hybrid Active Directory and WAN for two 3-location distribution companies, successfully separating them from the parent corporation
• Built 3 Windows Server 2019 on HP servers and set up Azure/M365, NAS, Fortinet firewalls, and Sophos endpoint protection, enhancing system security and efficiency
• Managed a project with a tight timeline, including moving a warehouse and migrating to a new VOIP and VPN platform, ensuring seamless communication and operational continuity
IDC (Contractor); HCL (Subcontractor); SC Johnson (Subcontractor)
Third Level Support Engineer, Method Products – Chicago, IL
March 2020 – November 2020
• Procured Apple, Dell, and Ubiquiti Unifi hardware for a 500-person manufacturing firm, enhancing global operational efficiency
• Deployed Windows 10 laptops to American and Canadian staff using KACE imaging tools and FedEx shipping, improving capabilities
• Handled various Windows 10 and Microsoft Exchange 365 Administrator tasks using TOPDesk ticketing software and Proofpoint security management, ensuring seamless IT operations
Freelance IT Consultant (Self) – Chicago, IL
March 2019 – February 2020
• Developed a business continuity plan, including Windows Server 2016 and Windows 10 upgrades, for a manufacturing company, ensuring seamless operations during system transitions
• Provided desktop and notebook support for Apple and Dell devices at a web design agency, and delivered remote support for a law firm in Texas, enhancing IT efficiency and user satisfaction
Technical Manager, ES99 – Chicago, IL
August 2017 – February 2019
• Hired and managed a team of 7 web developers, enhancing recruitment efforts and improving team productivity
• Managed projects and technical operations for 70 customers’ websites on Ubuntu servers, using Jira to streamline workflows and enhance customer satisfaction
• Developed SDLC standards and documented procedures, improving server performance and instituting automated backups, which enhanced system reliability
• Implemented updates to HTML, CSS, PHP, SSL, and WordPress for 150 websites, ensuring compliance with GDPR data security standards and improving site security
West Valley Staffing (Contractor)
Project Manager, Extreme Networks – Lincolnshire, IL
May 2017 – June 2017
• Acquired and cleaned data for managed services Salesforce database migration project, ensuring data accuracy and readiness for migration
• Documented workflow to enable duplication for additional customers, enhancing efficiency and consistency in project execution
• Managed SharePoint data using Confluence and Jira, improving data organization and accessibility for team collaboration
American Contract Group (Contractor)
Project Manager, S&C Electric
November 2016 – December 2016
• Developed a Learning Management System (LMS) after evaluating inadequate commercial systems, leading to improved training efficiency and user satisfaction
• Designed workflow for industrial laser cutter software using Visio; resulted in reduced waste
• Troubleshot network issues for industrial fabrication machines, ensuring minimal downtime and maintaining production efficiency
Insight Global (Contractor)
Active Directory & Exchange Administrator, Tribune Media Company – Chicago, IL
August 2016 – October 2016
• Provided 24×7 support and maintenance for Active Directory and Windows Server 2012 (80 servers) and Microsoft Exchange 2013 (24 servers, 8000 accounts, 3500 mail lists) on VMWare, enhancing system reliability and security with Proofpoint
• Led a project for spectrum auction security and SOX compliance testing, ensuring adherence to regulatory standards and enhancing data protection using Agile methodologies
IT Director, Sundberg America – Chicago, IL
May 2014 – May 2016
• Managed network, VOIP phones, hardware, and software for a regional enterprise with 20 locations across 9 states, ensuring seamless communication and operational efficiency
• Supervised AWS migration project and SQL development for Epicor ERP, optimizing SQL queries improving reporting accuracy
• Approved vendor budgets and planned restructuring of systems to enhance stability and ensure business continuity
• Managed 8×8 VOIP system and developed a comprehensive plan for migrating to a new VOIP system, improving reliability
• Implemented Microsoft 365, Veeam backup system for VMWare, and NAS for archival backups
• Managed software licenses and SLA agreements with vendors such as Amazon, CenturyLink, Dell, Epicor, Microsoft, and Zebra
Education:
• Bachelor of Science Degree in Computer Applications + International Relations University of Notre Dame, 1991
• Taught courses in Microsoft Office, Microsoft Works, Claris Works, Filemaker, Adobe Pagemaker, Adobe Photoshop, Adobe InDesign, Adobe Dreamweaver, Quark XPress 1989-1993
• Apple Ethernet Certification, 1992
• Bay Networks Layer 3 Switch training, 1997
• Microsoft Project training, additional courseware in project management, 1998
• Microsoft MCSE training, 2000
• Microsoft SQL training, 2003
• Meraki Training, 2013
• CompTIA A+ certification, 2025
