Jerrell Mccullough Email & Phone Number

Overland Park, Kansas, United States

Kansas City, Missouri, United States

• Solely responsible for Cerner’s Remote Hosted Lawson implementations for clients (a $1 Million yearly revenue stream)• Maintain, monitor, and manage client systems, and serve as a key technical contact• Function as a Zabbix Subject Matter Expert• Identify and resolve system performance issues• Consult on technical environment and hardware configuration decisions• Research new and emerging technologies to be used in the organization• Facilitate client incident responses• Lead weekly meetings with clients• Manage routine production maintenance events such as technology upgrades, system configuration and capacity changes, technical project planning, and resourcing and coordination with clients• Automate repetitive tasks via PowerShell• Function as a Citrix Subject Matter Expert• Mentor, assist, and delegate work to less senior Engineers• Manage over 300 servers (Windows Server, AiX and Linux)

Kansas City, Missouri Area

• Solely responsible for Cerner’s Remote Hosted Lawson implementations for clients (a $1 Million yearly revenue stream)• Installed, configured, supported and maintained enterprise cloud solutions• Setup Zabbix monitoring• Collaborated with clients and vendors to ensure configurations are built and delivered with long-term sustainability and scalability.• Coordinated with clients for testing and validation of environment functionality• Proactively identified process improvement strategies and system enhancements• Provided training, documentation, and ongoing knowledge transfers• Automated repetitive tasks via PowerShell• Developed an SCCM patching strategy for my organization when migrating from WSUS• Developed a Proof of Concept upgrade and implementation strategy for my organization when migrating to XenApp 7.x• Assigned folder permissions to file shares to enable employee access• Managed over 300 servers (Windows Server, AiX and Linux)• Modified virtual machines as need using vSphere 6.5• Created, modified, and managed, Active Directory accounts and Security Groups• Developed Group Policy Management strategies for Virtual Desktops.

Kansas City, Missouri, United States

• Performed daily system operations tasks to verify system integrity and availability• Performed ongoing performance tuning, hardware/OS upgrades, and resource optimization• Implemented monitoring for applications and servers, and responded to alarms in a timely manner, preventing client impact and performance degradation• Deployed physical and virtual servers• Completed assigned incident management tasks• Deployed, setup, and maintained testing environments• Provided Tier III and other support per service requests

Kansas City, Missouri

The Application Support Engineer (ASE) is part of a dedicated team that provides mission critical support to client facing application platforms. The ASE is responsible for the day to day installation / deployment / configuration / testing / maintenance / and troubleshooting of all client management contracted applications. The ASE provides Tier II/III support for the application platforms while interfacing directly with a clients management, development and customer deployment teams.Other responsibilities include:* Light scripting within applications to support code/app/data deployment and testing* Data prepping and loading into client instances* Application level D/R configuration, testing and documentation* Application capacity trending* Application installation and operations documentation maintenance* Support procedure documentation maintenance

Kansas City, Missouri

Responsible for delegating tasks to other support teams, document the workings of a clients environment and ensuring that the clients needs and expectations are being met.Other responsibilities include:* Overseeing the daily performance of computer systems owned by designated clients.* Providing technical leadership to internal and external personnel on highly complex system installation processes. * Mentoring and providing guidance to less experienced personnel.* Evaluating products and upgrades for appropriateness of cost and compatibility. Overseeing and implementing system upgrade strategies.* Coordination with client management to formulate highly complex technical solutions.* Developing general and custom strategies to manage the frequency of appropriate support packages/patch applications. * Researching current system technology and serving as subject matter expert on complex system processes and procedures.

Kansas City, Missouri

Responsible for ticket response/creation, phone calls, and the monitoring of client systems using Nagios. Other responsibilities include:* Managing over 800 servers; many in an Active Directory environment.* Performing code roles for web sites in IIS and Apache.* Maintaining a broad knowledge of operating systems; specifically Windows Server 2003/2008 and Linux (RedHat/CentOS). * Executing SQL scripts and performing database backups/restores utilizing SQL Server 2005/2008.* Failover Clustering; ensured services and applications ran on their preferred nodes and troubleshooted any instances of clusters not failing over properly.* Maintaining server security via monthly patching (WSUS) and updated anti-virus signatures.* Ensuring servers contracted for backups were completing successfully and resolving issues where applicable.* Installing and performing minor repairs to hardware, software, or peripheral equipment following design or installation specifications.* Change Management: Maintaining records of daily data communication transactions, installation activities, problems and remedial actions taken.* Reading technical manuals and conducting computer diagnostics to investigate and resolve problems or to provide technical assistance and support.

Kansas City, Missouri

• Installed operating systems (Windows, RedHat, CentOS) onto servers and racked and cables configured hardware in Data Center.• Diagnosed and replaced malfunctioning hardware (memory, hard drive, CPU and motherboard)• Created Ethernet cables for server builds

Education record

Information Systems W/ Technical Support Emphasis