Corey Shields
Corona,CA
Summary
IT Manager – Senior Infrastructure Engineer Knowledgeable IT Manager oversees technology deployment and maintenance. Instructs and leads IT staff members in support of hardware, software and networking infrastructure. Actively works with executives to determine and implement tech needs. Manages technology strategy, training and documentation.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Interim IT Manager/Senior Infrastructure Engineer
99 Only Store
01.2024 - Current
- Improved helpdesk response times by 35% through strategic oversight and process optimization
- Direct a team of 100 engineers from TCS, providing guidance, support, and oversight to ensure the success of large-scale projects
- Achieved 99.9% network uptime by implementing robust cloud infrastructure and security protocols
- Enhanced data protection by conducting quarterly security assessments, reducing vulnerabilities by 50%
- Integrated Azure SaaS applications, increasing operational efficiency by 20%
- Led IT projects with a 95% on-time completion rate and a 10% reduction in budget overruns
- Directed the global WAN and LAN network operations, overseeing the implementation of technical solutions aligned with business objectives for a network serving [number_4] users
- Nutanix storage configuration for migrating VMware virtual machine to the 3node Nutanix cluster
- Developed and executed plans for migrating to cloud services, focusing on Azure, including configuration of networking and security components
- RBAC (Role-Based Access Control) and Azure Identity Administration
- Support 365 Stores.
System Engineer III
BANK OF HOPE
07.2021 - 01.2024
- Designed and implemented enterprise solutions, boosting system performance by 30%
- Managed procurement processes that reduced vendor costs by 15%
- Automated build processes, reducing deployment times by 40%
- Configured and managed Azure Active Directory (AAD) for user authentication and access control
- Conducted security assessments, decreasing system vulnerabilities by 45%
- Achieved a 98% satisfaction rate in IT services through effective project management.
IT Technical Lead-Remote
RAYTHEON INTELLIGENCE & SPACE
04.2021 - 07.2021
- Spearheaded cross-functional projects, improving product delivery timelines by 25%
- Reduced procurement cycle times by 20% through streamlined processes
- Implemented automated regression testing, cutting manual testing efforts by 50%
- Assisted in deploying and configuring Azure resources, including virtual networks, storage accounts, and web applications
- Coordinated with vendors to secure a 10% cost reduction in software licensing
- Delivered IT solutions that met 100% of project specifications and client requirements.
Project Infrastructure Systems Engineer
KINECTA FEDERAL CREDIT UNION
02.2020 - 01.2021
- Successfully migrated 100+ Windows and SQL servers, enhancing system reliability by 40%
- Led a Windows cluster project, resulting in a 30% increase in system redundancy
- Managed VMware Release Manager project, improving deployment efficiency by 35%
- Completed EDMS migration within budget and two weeks ahead of schedule
- Monitored and maintained system health and performance using Azure Monitor, Application Insights, and Log Analytics
- Reduced operational downtime by 20% through effective project oversight and planning.
Systems Administrator - IT Night Shift Lead NFL IT Operations
NFL NETWORK
07.2018 - 02.2020
- Managed IT operations, ensuring 99.8% system availability during critical periods
- Enhanced network security through monthly patching, reducing breach incidents by 30%
- Improved server performance by 25% through targeted optimization projects
- Provided 24/7 support for NFL teams, achieving a 95% satisfaction rate in service delivery
- Implemented data center upgrades, increasing processing speeds by 20%.
Senior Systems Engineer
VENTURA FOODS, LLC
07.2013 - 07.2018
- Reduced IT costs by 15% by integrating Nagios with XenApp systems
- Managed O365 and communication systems, increasing user productivity by 25%
- Achieved 99.9% system uptime by maintaining Citrix and Windows Server environments
- Led server upgrade projects, enhancing system performance by 30%
- Provided comprehensive support and training, improving IT team efficiency by 20%.
- Performed root cause analysis to provide resolutions for production issues.
- Collaborated with clients to determine needs and devise appropriate software and hardware solutions.
- Defined enterprise processes and best practices and tailored enterprise processes for applications.
Senior System Administrator
PRESBYTERIAN INTERCOMMUNITY HOSPITAL
06.2010 - 07.2013
- Implemented and managed EHR systems, improving patient data access by 40%
- Reduced system downtime by 25% through proactive server management
- Conducted regular systems support and documentation, increasing compliance by 20%
- Enhanced Citrix server performance, resulting in a 30% reduction in login times
- Managed virtual and physical servers, achieving a 98% system availability rate
- Support 10000 end-users.
Senior System Engineer
IN SYNC COMPUTER SOLUTIONS
04.2008 - 06.2010
- Designed network infrastructure, reducing client IT costs by 20%
- Delivered technology assessments that improved client satisfaction by 30%
- Configured Cisco switches and routers, enhancing network speeds by 25%
- Administered Microsoft Exchange, improving email reliability by 35%
- Provided cost-effective solutions, achieving a 95% approval rating from clients.
Education
Master of Science - Human Resource Management
University Southern California
Los Angeles, CA05.2023
Master of Arts - Leadership & Organizational Studies
Azusa Pacific University
Azusa, CA09.2016
Bachelor of Science - Information Technology, Networks & Telecommunications
University of Phoenix
University of Southern California
OnlineSkills
- Systems Architecture
- Data Center Management
- Systems & Network Administration
- ITSM
- EHR
- IT Security
- Change Management
- M365
Certification
- Microsoft Certified Azure Administrator
- Microsoft Certified Azure Fundamentals
- Microsoft Certified System Engineer (MCSE) Windows Servers
- CompTIA Security+
- Microsoft Certified System Administrator (MCSA) Messaging: Windows Servers
- Microsoft Certified Professional (MCP)
- Citrix Certified Advanced Administrator (CCAA)
Professional Highlights
- Network & Infrastructure Design: Planned and deployed networks across diverse environments.
- Data Center Migration: Independently Designed and led upgrades and transition of enterprise infrastructure server platforms.
- Disaster Recovery & Business Continuity: Developed and improved protocols at Manufacturers Bank.
- Citrix Implementation & Configuration: Architected Presbyterian Community Hospital’s 1st in house electronic health records system using Citrix Cloud Services.
Timeline
Interim IT Manager/Senior Infrastructure Engineer
99 Only Store
01.2024 - Current
System Engineer III
BANK OF HOPE
07.2021 - 01.2024
IT Technical Lead-Remote
RAYTHEON INTELLIGENCE & SPACE
04.2021 - 07.2021
Project Infrastructure Systems Engineer
KINECTA FEDERAL CREDIT UNION
02.2020 - 01.2021
Systems Administrator - IT Night Shift Lead NFL IT Operations
NFL NETWORK
07.2018 - 02.2020
Senior Systems Engineer
VENTURA FOODS, LLC
07.2013 - 07.2018
Senior System Administrator
PRESBYTERIAN INTERCOMMUNITY HOSPITAL
06.2010 - 07.2013
Senior System Engineer
IN SYNC COMPUTER SOLUTIONS
04.2008 - 06.2010
Bachelor of Science - Information Technology, Networks & Telecommunications
University of Phoenix
Master of Science - Human Resource Management
University Southern California
Master of Arts - Leadership & Organizational Studies
Azusa Pacific University
University of Southern California
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