Hybrid Cloud & Identity Systems Engineer
Resume:
TERIK HOLLEY
Springfield Gardens, NY ***** 347-***-**** ***********@*****.*** linkedin.com/in/terikholley
PROFESSIONAL SUMMARY
Systems Engineer with 11+ years of experience managing enterprise-scale hybrid cloud infrastructure across Microsoft Azure, AWS, and Google Workspace. Proven ability to secure and automate complex environments, with hands-on expertise in identity management, endpoint security, and SaaS platform administration. Demonstrated track record of delivering measurable improvements in uptime, compliance, and operational efficiency at organizations ranging from healthcare to higher education.
TECHNICAL EXPERTISE
Cloud & Infrastructure
Microsoft Azure • AWS • VMware vSphere/vCenter/ESXi • Hybrid Cloud Architecture • Infrastructure-as-Code (IaC)
Enterprise Systems
Microsoft Intune & SCCM/MECM • Active Directory & Azure AD • Microsoft 365 & Google Workspace • ServiceNow (CMDB & Integrations) • Salesforce
Security & Compliance
Endpoint Security • Identity & Access Management • GDPR Compliance • SIEM / Splunk • Ivanti Neurons for Vulnerability Management • Proofpoint Email Protection
Automation & Development
PowerShell Scripting • GAM & Google Apps Script • API Integration • SQL Database Management • Linux Shell Scripting
PROFESSIONAL EXPERIENCE
Systems Engineer (Contract) — Enterprise SaaS Administration Fordham University — Bronx, NY August 2023 – Present
•Administer dual-platform enterprise environment (Google Workspace + Microsoft 365/Azure AD) spanning ~1 million users and 250K+ endpoints, ensuring identity, access, and application interoperability across ecosystems.
•Architected a comprehensive cloud security framework integrating Google Workspace, Azure AD, and Proofpoint Email Protection, maintaining 99.9% system uptime.
•Implemented and managed Microsoft Intune MDM, securing corporate data across 2,500+ devices while enforcing compliance policies.
•Owned Chrome Enterprise management, including policy configuration, extension governance, and browser security controls across organizational units via Google Admin Console.
•Standardized user provisioning, group management, and access controls across Google Workspace and Azure AD, streamlining identity lifecycle management.
•Developed automation workflows using GAM, Apps Script, and PowerShell to reduce manual admin effort for account lifecycle and access management.
•Served as ServiceNow Administrator (CMDB & Integrations) — owned platform configuration, data imports, and promotion of updates across QA and production environments.
•Led ServiceNow integrations with Morpheus and TeamDynamix via API-based architecture, reducing manual processing time by 45% and improving service workflow efficiency.
•Engineered cross-platform server monitoring solutions for Linux and Windows AD environments.
Systems Administrator Level 3 (Full-Time) Sema4/GeneDx (HealthCare)— Stamford, CT May 2019 – April 2023
•Led enterprise-wide migration to a hybrid cloud environment, reducing server downtime by 30% and cutting reliance on on-premises infrastructure.
•Architected co-management strategy integrating SCCM with Microsoft Intune for enhanced endpoint security and compliance readiness.
•Administered Microsoft 365 and Azure AD, including user setup, SharePoint, OneDrive, and Intune for iOS and Windows devices.
•Owned AWS infrastructure operations supporting critical business applications; architected and optimized AWS database environments (MariaDB), improving query performance and ensuring high availability.
•Managed Ivanti Neurons for Vulnerability Management — performed risk assessments, prioritized remediation, and collaborated with security teams to deploy patches within SLA timelines.
•Developed PowerShell automation frameworks for Windows AD system maintenance, reducing manual operational overhead.
IT Manager / Systems Administrator Level 3 (Contract) Union Health Center — Manhattan, NY April 2018 – January 2019
•Transformed IT service delivery model, achieving 95% SLA compliance within the contract period.
•Architected and implemented Splunk SIEM for real-time threat detection and security monitoring.
•Led VMware vCenter and ESXi virtualization initiatives and implemented a multi-cloud backup strategy (AWS/Azure).
•Administered Microsoft 365 Exchange and developed SQL-based reporting dashboards for executive stakeholders.
Server Administrator Level (Full-Time) America Works — Queens, NY June 2016 – February 2018
•Designed and implemented a comprehensive VMware/Windows server infrastructure with disaster recovery and business continuity planning.
•Led Office 365 migration affecting 500+ users, including Exchange and SharePoint deployment.
•Administered Windows Server 2008 AD and Exchange 2010 environments; created automated Active Directory deployment systems using PowerShell.
•Implemented Salesforce integration and delivered end-user training program.
System Administrator United Metro Energy Corp. — Brooklyn, NY August 2014 – March 2016
•Administered Active Directory, Group Policy (PowerShell login scripts), and network security, including firewall policies, VPN management (Kerio), and IDS configuration.
•Provided multi-site technical support across three locations covering Windows/Mac endpoints, servers, network devices, and mobile phones.
•Managed Spiceworks ticketing system and Acronis backup configuration for all servers and workstations.
•Automated daily operations using Linux shell scripting; administered Symantec Endpoint Protection and Webroot.
Software Support Engineer / System Admin (Full-Time) Surecomp Services (Banking) — Hoboken, NJ June 2012 – August 2014
•Provided technical leadership for trade finance applications and managed VMware ESXi infrastructure supporting 30+ virtual desktops.
•Developed automation scripts for Citrix deployments and created custom tools using SQL and shell scripting.
•Implemented secure FTP services and enterprise wireless network infrastructure.
EDUCATION
Bachelor of Science in Computers and Information Systems
Mercy College — Dobbs Ferry, NY GPA: 3.1 May 2017
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