Joseph Sebastian, CISSP, CISA, CRISC, TOGAF

Senior Cloud Architect, Infrastructure Architect, Enterprise Architect owning the Hybrid Cloud estate on Microsoft Azure, VMware, Nutanix — 2,000+ VMs, 10,000+ Active Directory / Microsoft Entra ID objects, 3,000+ users across Canadian and US offices. Secure-by-Design + AI-Augmented Operations.Outcomes: ~30% Azure cost reduction via FinOps (Reserved Instances, Spot VMs). VM provisioning 2–3 days → under 30 min via Bicep IaC + GitHub Actions + Azure DevOps. 60% cycle compression via AI-Augmented Ops (Claude, GitHub Copilot). 100+ SOPs and runbooks — Visio diagrams, data flow diagrams, project reports per platform. Own internal IT audit across consecutive SOC 2, C-SOX, ITGC cycles. Stack: Azure Landing Zones, Azure Policy, Entra ID, Conditional Access, Intune, Microsoft Sentinel, Defender, Cisco Catalyst/Nexus, Silverpeak SD-WAN, SAN (FC/FCoE), SolarWinds, TOGAF v10.

Senior Consultant — industrial infrastructure at Suncor Energy Base Plant. Energy-sector production systems, 24/7 uptime, sub-arctic, OSSA safety protocols. Installed and maintained Juniper EX/MX and Cisco switching — VLAN, IP subnetting, SNMP monitoring — and HP ProLiant servers. Executed infrastructure changes through formal CAB reviews, risk assessment, rollback planning; coordinated with operations, engineering, IT security. Authored as-built documentation, network topology diagrams, and runbooks for audit readiness in a safety-critical remote environment. Stack: Juniper, Cisco, HP ProLiant, APC UPS, change management, data center operations.

IT Manager and Infrastructure Lead owning MSP datacenter operations across 4 continents — promoted from Team Lead based on operational results. Full ownership of infrastructure strategy, team leadership, multi-vendor governance, and 24/7 service delivery. Directed enterprise change, risk, security, compliance, and incident management programs aligned with COBIT, ITIL, ISO 27001. Owned internal IT audit program across the multi-continental footprint under ISO 27001 control alignment — coordinated evidence collection, control testing, and remediation. Designed and deployed HP ProLiant, Dell PowerEdge, Supermicro platforms with Nagios, Dell OpenManage, HP SIM monitoring (SNMP alerting). Governed Cisco and Dell networking, HP Virtual Connect, MSA storage, SAN fabrics. Led geographically distributed engineering and operations teams.

IT Team Lead driving IT operations, governance, audit compliance, and infrastructure security across multi-continental environments — reporting to IT Manager before promotion into the role. 🛡️ Risk, Audit & Compliance ▪️ Conducted IT audits and risk assessments using FMEA, bow tie analysis, and Business Impact Analysis (BIA). ▪️ Supported internal and external ISO 27001 audits — closed gaps in access controls and data privacy. ▪️ Hardened infrastructure security through firewall configurations, vulnerability patching, and COBIT/ITIL adherence. ⚙️ Governance & Operations ▪️ Streamlined IT change workflows — reduced unplanned outages by 25% via rigorous testing and stakeholder coordination. ▪️ ITIL-aligned change management, problem management, and root cause analysis. ▪️ Directed troubleshooting for VMware, Windows Server, and TCP/IP network issues — improved MTTR by 30%. 📌 Leadership ▪️ Led cross-functional teams through incidents and change implementations; mentored junior staff on governance frameworks.

Data Center Consultant managing datacenter operations across multiple remote and local sites — the foundational role in a progression from Consultant to Team Lead to IT Manager at Chociz Services. 🏗️ Datacenter & Infrastructure ▪️ Ensured high availability and optimal performance across multi-site datacenter environments. ▪️ Administered Active Directory, VMware ESXi, Windows Server, and Linux environments. ▪️ Led troubleshooting for hardware, software, and network issues — minimized downtime and improved reliability. 🛡️ Security & Audit ▪️ Conducted system audits and implemented security best practices for critical infrastructure. ▪️ Supported cybersecurity initiatives ensuring compliance with organizational standards. ⚙️ Governance & Improvement ▪️ Contributed to process improvements using Lean Six Sigma methodologies. ▪️ Supported change management activities aligned with ITIL practices. ▪️ Assisted project management under CAPM framework.

OEM Technical Consultant — full-lifecycle support for HP ProLiant servers, C7000/C3000 blade chassis, HP Virtual Connect, and storage blades for North American enterprise clients. Managed complex escalations across server, storage, and networking layers. Authored technical documentation and Visio diagrams for client environments. Trained team members; coordinated with L1/L2/engineering tiers on multi-vendor issues.