Network Administrator Infrastructure Engineer
Resume:
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**** ***** ********* ***., *******, US, 60638 *.**********@*****.*** 773-***-**** Professional summary
Senior System/Infrastructure Engineer with over 28 years of extensive experience in network security, Microsoft Office 365, and VMware virtualizations. Demonstrates analytical prowess in optimizing network performance and implementing innovative solutions across international corporate offices. Proficient in WSUS, VPN, and Active Directory, committed to driving technological advancement and supporting organizational growth. Employment history
Senior System/Infrastructure Engineer
CA Ventures, Chicago — Nov 2015 - Sep 2024
Administer Office 365 and MDM, boosting productivity in corporate offices globally. Implement network security, enhancing data protection and compliance. Design and maintain network infrastructure, ensuring global connectivity. Manage VMware and Azure integrations, optimizing virtual environments. Execute VLAN and Active Directory setups, streamlining IT operations. Analysed and improved network security measures, enhancing data protection and compliance. Optimised virtual environments through strategic VMware and Azure integrations. Managed Office 365 and MDM, boosting productivity.
Pioneered adoption of cloud-based solutions, fostering seamless cross-office collaboration. Led network architecture redesign, implementing advanced security protocols. Positioned organisation at forefront of tech innovation.
Meticulously designed and maintained network infrastructure, supporting global connectivity. Implemented precise VLAN structures, enhancing system performance. Executed detailed security hardening measures, bolstering cyber resilience.
Conducted thorough network security analysis, implementing robust data protection measures. Optimised virtual environments through strategic cloud integrations. Boosted productivity across global offices by streamlining Office 365 and MDM administration. Enhanced system performance through precise VLAN implementations. Meticulously designed and maintained network infrastructure, ensuring reliable global connectivity. Executed comprehensive security hardening measures.
Alan Bubienczyk
Senior System/Infrastructure Engineer
Senior System Engineer
Center for Economic Progress, Chicago — May 2009 - Oct 2015 System / Infrastructure Engineer
CB Richard Ellis, Inc., Chicago, Illinois — Dec 1999 - May 2009 Network Engineer
Mesirow Financial, Chicago, Illinois — Jan 1999 - Dec 1999 Network Engineer
LaSalle Partners Management Services, Inc., Chicago, Illinois — Jul 1997 - Nov 1998 Education
Bachelor. Electronic engineering and Technology
Devry University-Illinois, Addison, Illinois — Mar 1991 - May 1995 Led AD migration, ensuring seamless user transition with minimal downtime. Administered Microsoft Exchange, optimizing email communication and server performance. Diagnosed and resolved networking and security issues, maintaining business continuity. Implemented WSUS server on Windows and VM, improving network infrastructure efficiency. Fostered cross-functional partnerships to align IT initiatives with business objectives, driving technological advancements and operational efficiency.
Optimized Exchange server performance, enhancing email communication efficiency. Diagnosed and resolved complex networking issues, ensuring continuous business operations. Pioneered R2 replication across three sites, significantly boosting data redundancy and recovery capabilities. Implemented cutting-edge WSUS server solutions for streamlined patch management. Fostered cross-functional partnerships, aligning IT initiatives with business goals. Led seamless AD migration, minimizing downtime and maximizing user satisfaction. Established and managed Active Directory Domain, enhancing network efficiency and security. Configured centralized DHCP, optimizing network performance across multiple locations. Led nationwide deployment of Windows servers, reducing operational costs significantly. Implemented server backup solutions, ensuring data integrity and availability nationwide. Coordinated office moves and closures, streamlining company operations and resource allocation. Implemented comprehensive server backup strategies and infrastructure maintenance protocols, safeguarding critical data and ensuring optimal system performance. Managed Novell Netware and Microsoft Exchange, ensuring seamless data backup and recovery. Implemented and maintained network hardware, enhancing system reliability and performance. Supported LAN, desktop, and telecom needs, optimizing installations and upgrades. Developed disaster recovery plans, minimizing downtime and ensuring business continuity. Managed network services and email, enhancing data backup and recovery for 37 Midwest offices. Supported LAN, desktop, and telecom needs, improving installation and upgrade efficiency. Provided technical support for Chicago HQ and remote offices, ensuring seamless operations. Upgraded remote access and email servers, boosting data transmission reliability. Resolved security system issues, enhancing property safety and operational continuity. Courses
MCITP
MicroTrain Technologies
CCNA Boot Camp
Directions Training
A+ Certification
Drake College
Dell Certification
Dell Education
Skills
Microsoft Office 365 MDM
Microsoft Teams Cisco
Meraki Ubiquity
VLAN Windows SQL
WSUS VPN
Active Directory VMware
Azure Windows Server
Cisco Firewall Network Security
Data Recovery CCNA
R2 Replication DFS
Microsoft Exchange GPO
DHCP Novell Netware
Intune
Additional information
Certifications
• MCITP, MicroTrain Technologies
• CCNA, Boot Camp completed, Directions Training
• Novell Advanced Network Administration
• A+ Certification, Drake College
• Dell Certification, Dell Education
References
Charley Vrtjak
CA Ventures
*******@**-********.*** +1-312-***-****
Languages
Polish English
Hobbies
I love to save environment and I installed Photovoltaic system on my house. I work on various woodworking projects and improvements around the house.
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