Corey Quarles
Senior Network Administrator
*** ************ **., ***** ******, United States, 60542
*****.*******@*****.***
Senior Network Administrator with over two decades of extensive expertise in IT support and administration, specializing in network security and virtualization. Proficient in managing complex infrastructures, including cloud platforms like Azure, and skilled in implementing advanced monitoring tools to enhance performance and security. Passionate about optimizing IT systems to ensure seamless operations and future-proofing network environments. Employment history
Senior Network
Engineer, Sterling
Network Integrations,
Mar 2024 - Present
North Aurora, IL
System Administrator,
Dovenmuhle Mortgage
Inc, Apr 2021 - Mar
2024
North Aurora, IL
System Administrator,
Cinch Connectors, May
2014 - Apr 2021
North Aurora, IL
Network Administrator,
Independent IT
Consultant, Sep 2013 -
May 2014
Chicago, IL
Senior Systems
Administrator, Castema
Technology Services,
Oct 2011 - Sep 2013
Chicago, IL
Network Administrator,
Independent IT
Consultant, Mar 2010 -
Oct 2011
Chicago, IL
Manage 50+ client networks, enhancing security and reducing response times. Implement advanced monitoring tools, optimizing resources and boosting network performance.
Administer virtual platforms like VMWare, Hyper-V, and Azure for seamless operations. Oversee router, switch, and firewall management across multiple platforms. Ensure robust backup solutions with VEEAM, safeguarding client data. Administer systems for 4000+ users, ensuring seamless operations and security. Maintain 600+ servers, optimizing performance and reliability with a team. Manage Azure resources, enhancing cloud infrastructure efficiency. Collaborate with developers to automate tasks, boosting productivity. Monitor resources with PRTG, ensuring prompt issue resolution. Managed 60 servers, enhancing network reliability for 1100 users. Led disaster recovery with Hyper-V, ensuring data protection. Coordinated infrastructure from ISP to Office 365, optimizing operations. Documented equipment and contracts, improving resource tracking. Supported executive office, providing prompt technical solutions. Managed network support for multiple municipalities, enhancing system reliability and efficiency.
Revitalized network infrastructures, improving performance and security for local governments.
Provided maintenance for Shell Gas Stations, ensuring minimal downtime and operational continuity.
Administered networks for SMBs, enhancing infrastructure and ensuring reliable data backups.
Implemented VMware for server consolidation, optimizing client resources and performance.
Managed Active Directory and SSL certificates, ensuring secure and compliant client environments.
Managed network infrastructure for SMBs, enhancing reliability and efficiency. Designed disaster recovery solutions for critical sectors, ensuring data integrity. Planned and implemented networks for up to 50 users, optimizing connectivity. Configured LAN/WAN routers and switches, improving network performance. Supported various Windows OS, maintaining seamless operations. Employment history
Client Services Network
Administrator, Midwest
Information Systems,
Sep 2007 - Feb 2009
Chicago, IL
Senior System
Administrator, The Gad
Group LLC, Feb 2006 -
Jun 2007
Chicago, IL
Hardware Analyst,
Metlife Insurance, Nov
2004 - Feb 2006
Chicago, IL
System Deployment
Contractor, School
District 365U, Aug
2003 - May 2004
Chicago, IL
Level II System
Engineer, Navistar
Financial, Aug 2001 -
Sep 2003
Chicago, IL
Education
Downers Grove South High School, Downers Grove, IL, Aug 1992 - 1996 Courses
MCSE, Mar 2002
Microsoft
CCNA, May 2002
Cisco
Q-RADAR, Oct 2019
IBM
Configured and supported networks for over 20 businesses, enhancing connectivity and efficiency.
Installed and maintained LAN/WAN equipment, ensuring seamless network operations for clients.
Managed network infrastructure with Active Directory, optimizing user access and security.
Provided remote support for server and workstation issues, improving client satisfaction. Trained clients on FTP server management, empowering them to handle website content effectively.
Managed network infrastructure for SMBs, enhancing system reliability and user satisfaction.
Configured VOIP systems, ensuring seamless communication across multiple offices. Trained staff on tech use, improving operational efficiency and tech adoption. Negotiated vendor agreements, optimizing service costs and hardware procurement. Implemented mobile internet for libraries, expanding accessibility for remote users. Delivered phone and on-site hardware support for servers, desktops, laptops, and printers. Enhanced technical documentation with System Administrators for internal knowledge base.
Resolved smartphone connectivity issues, boosting user productivity. Supported remote users, improving system access and efficiency. Managed Dell and HP hardware, ensuring reliable performance. Rebuilt and installed donated computers for low-income families, enhancing access to technology.
Delivered and set up computers, ensuring operational readiness for educational use. Collaborated with school district to support community outreach and technology access. Resolved technical issues during setup, improving user experience and satisfaction. Facilitated computer deployment, contributing to educational opportunities for children. Managed 10-30 daily tickets with TrackIt, ensuring efficient issue resolution. Installed and supported Windows OS, enhancing system reliability. Utilized Active Directory for effective network resource management. Provided phone/on-site support for LAN/WAN, maintaining connectivity. Collaborated on technical support docs, improving team efficiency.