John Zoretich 301-***-****

**** ********* **

Frederick, MD 21702

actcgi@r.postjobfree.com

https://www.linkedin.com/in/johnzoretich

SUMMARY

IT Network Operations Analyst Engineer with IT infrastructure expertise. Experience in administration, and installation of voice and data networks, wireless, virtual, and cloud technologies. Proven track record reducing operating expenses and increasing organizational efficiency and effectiveness. Possess excellent communication, leadership, and problem solving skills, with a strong focus on customer satisfaction.

Gateways, Routers, and Switches

Network Monitoring

Citrix, and VMware Administration

Windows, and Linux Administration

Exchange and Active Directory

BGP, DHCP, DNS, FTP, HTTP, TCP/IP

PROFESSIONAL EXPERIENCE

Milestone Technologies, Las Vegas, NV 2015-Present

Server Break Fix Engineer

Isolates, and restores Linux enterprise server hardware, and operating system faults. Performs diagnostics, and health check verifications for production operation.

Supports eBay, and Paypal SuperNap data centers.

Provides troubleshooting, and configuration changes.

Discovery Communications, Silver Spring, MD 2007-2015

IT Network Operations Analyst

Identified, and resolved network interruptions, maintained Cisco, and Juniper gateways, routers, and switches, Windows, UNIX servers, and Citrix services for more than fifty corporate sites, and seventy-five hundred employees worldwide. Administered account access for all employees, contractors, vendors, and production applications. Trained co-workers, and created technical documentation in areas of subject matter expertise.

Performed Tier II incident, problem, and change management while consistently meeting, or exceeding defined SLA requirements using ServiceNow, and Remedy software applications. Provided 24/7 after hours, and on-call support.

Corrected Citrix server, data collector, and profile issues. Re-created user profiles, isolated black hole conditions, and disabled logons to maintain cloud integrity.

Re-established connectivity to remote sites, and servers using VMware to restart virtual hosts, servers, and perform maintenance activities, eliminating the need for additional personnel, or assistance.

Reduced network vulnerabilities by identifying, and removing hundreds of inactive network accounts. Improved account cleanup procedures, and SOX compliance.

John Zoretich Page Two

The NASDAQ Stock Market, Rockville, MD 1989-2007

Datacomm Analyst III

Configured and installed Cisco routers, switches and servers for two data centers, and twenty corporate sites, and remote customers. Monitored and resolved network, hardware, software, desktop, and performance issues. Purchased hardware, ordered circuits, developed documentation, AutoCAD, and Visio drawings.

Planned, coordinated, and implemented the relocation of an entire datacenter reducing the annual operating cost by 50%.

Upgraded Cisco switches with in-line power, and migrated analog phones to digital which reduced the cost of voice circuits by 75%.

Managed over 1,000 Cisco IP phones, voicemail accounts, and configured Cisco Call Manager, Unity, and Blackberry devices.

ADDITIONAL EXPERIENCE

The Department of the Air Force, Andrews AFB, MD

Communications Computer Systems Control Specialist

Top Secret clearance inactive

PROFESSIONAL DEVELOPEMENT

Information Systems Control Specialist Course

Keesler AFB, MS

CCNA

Cisco Systems Certified, Rockville, MD

CCNP

Orange Technical Institute, Gaithersburg, MD

Citrix XenApp 6.5 Administration

Global Knowledge, Arlington, VA

AutoCAD Fundamentals

Republic Research Training Center, Arlington, VA

ITIL

CSME Certified, Silver Spring, MD

ADDITIONAL RELEVANT INFORMATION

President’s Award

Above and Beyond Awards

Certificates of Appreciation

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