Ciarán O'Hara, PMP, CSM
Infrastructure Program Manager — Cloud, Data Center & Enterprise Modernization
San Francisco Bay Area, CA · ciaran.ohara@gmail.com · linkedin.com/in/ciaranohara
Infrastructure Program Manager with 20+ years leading enterprise modernization, data-center transitions, cloud migrations, security and compliance programs, and capital infrastructure delivery. Known for bringing control to complex environments: sequencing dependencies, aligning technical and business stakeholders, and executing low-risk cutovers that protect availability and improve cost performance.
Program & Project Leadership
Data Center Exit & Consolidation
AWS & Azure
Cloud Migration & FinOps
Network / Compute / Storage
Infrastructure Readiness
Security, IAM & RTO/RPO
Vendor & Capital Project Management
Jira
Confluence
MS Project
Tableau
- Completed a defined, short-duration infrastructure project-management engagement; maintained disciplined execution, stakeholder coordination, and closeout focus within the planned three-month term.
- Led international data-center-exit separation, using application and CIFS file-share discovery, dependency mapping, and migration sequencing across distributed engineering environments.
- Directed 11 concurrent migration streams across Linux/Windows compute, performance storage, and large-scale CIFS replication in on-premises and AWS environments.
- Archived approximately 7 PB of cold engineering data to Amazon S3 Glacier; avoided approximately $2.6M in projected performance-storage expansion through tier optimization.
- Delivered a $3.1M NetApp filer refresh that eliminated end-of-life risk across performance-storage platforms.
- Led a $1.5M Indoor Air Quality pilot connecting Ethernet/IP environmental sensors to airport LAN infrastructure and secure cloud-data ingestion.
- Delivered a $2.4M Airport Information Desk upgrade, coordinating secure kiosk endpoints, network-switch integration, VLAN alignment, and site voice/data readiness.
- Managed a $1M Fire Department modernization: SaaS deployment and Mobile Data Terminal provisioning across fleet vehicles, including cellular, VPN, and endpoint coordination.
- Directed workload migration and infrastructure consolidation across Mesa Data Center and cloud environments, spanning discovery, dependency mapping, hardware rationalization, and hybrid cutovers.
- Led Agile ways-of-working adoption across DevOps and engineering groups, increasing delivery velocity by approximately 20%.
- Implemented AWS/Azure access controls and cloud-governance practices; built Radar and Jira dashboards for dependency, milestone, and risk visibility.
- Developed vendor dashboards and documentation workflows to track third-party data security, cost exposure, and compliance deliverables.
- Managed secure file-transfer processes for 50+ vendors, improving compliance-reporting turnaround by 25% and reducing issue-escalation time by 20% through training and tooling.
- Established and led Cloud Operations & Governance, overseeing AWS cost management, tagging compliance, and vulnerability remediation across global engineering teams.
- Delivered more than $1M in AWS savings through rightsizing, asset-tagging enforcement, and FinOps-aligned optimization.
- Drove 90% vulnerability compliance and 85% tagging coverage; implemented SOC 2-supporting governance and executive Tableau reporting.
- Led platform consolidation across database, application, and AWS transitions for Apple Online Store, improving scalability, resilience, and PCI alignment.
- Led PKI audit and remediation programs supporting WebTrust and CA compliance across cloud and on-premises production environments.
- Partnered with the VP of IT to lead showcase POD buildout; coordinated Cisco, Supermicro, and facilities vendors and achieved 98% UAT success.
- Led a $2M consolidation and cloud-migration initiative for 1,200+ users, enabling Office 365/AWS adoption and legacy data-center retirement.
- Network Service Delivery Manager, Symantec — global data-center and hybrid-cloud service delivery; network problem management, RCA, carrier/vendor coordination.
- Operations Manager, Yahoo! — 24/7 global incident response and network operations across hybrid-cloud and on-premises infrastructure.
PMP #1875169
Certified ScrumMaster (CSM)
Program & Project Management Certificate, UCSC Silicon Valley Extension
B.A. Business (IT), LYIT, Ireland
CCNA, 2007