Sebastian Doru Profir

Lead global IT operations supporting business-critical services across EMEA, APAC, and AMER regions. Manage and mentor a distributed team of 4 IT professionals located in Romania, Copenhagen, Kuala Lumpur, and San Francisco. Drive team performance and operational maturity, including prioritization, incident ownership, escalation processes, and continuous service improvement. Own identity and access management operations using Okta (SSO, MFA, lifecycle management, group governance, application integrations). Support security-focused infrastructure including PKI-related operations, certificate-based authentication, and secure identity integrations. Administer Azure / Entra ID, supporting access governance and secure authentication policies. Manage enterprise collaboration environments including Google Workspace and Microsoft 365 / Office 365. Deploy MDM Microsoft Intune (Windows) and Kandji (Apple fleet). Manage and support AWS infrastructure configuration and operational governance. Configure and maintain Aruba Wi-Fi infrastructure for office connectivity and secure network access. Configure and manage secure remote connectivity through Ivanti VPN administration; site-to-site vpn over Juniper dedicated to IT admins. Implemented enterprise monitoring using PRTG, improving alerting, uptime, and infrastructure observability. Built and governed IT Asset Management and CMDB processes using Jira Service Management (JSM). Collaborate closely with the Procurement team on vendor onboarding, purchasing, licensing optimization, renewals, and cost control. Deliver API integrations and automation improvements across IT platforms to streamline workflows and reduce manual work. Key Achievements Standardized global IT operations across multiple regions and time zones. Improved operational stability through proactive monitoring and structured ITSM processes. Strengthened security posture through identity governance and certificate-based authentication support.

What I did and do: •Design and configure architecture for site-to-site connection EMEA-APAC-AMER based on Juniper solution (ospf protocol for routing transport) •Configure and deploy PTRG monitoring solution integrated with ticketing solution, integration with Pagerduty and Freshservice ticketing solutions •Upgrade AD from 2012 to 2016 two site’s one in AWS •DNS proxy configuration in order to resolve specific CN from specific domain and other fw to external DNS servers •Administration of: wireless ARUBA solution (cloud virtual controllers), AWS IT Infrastructure, Network infrastructure from Juniper, backup with rancid of all network devices from all offices •2FA OKTA integration with Juniper deployment for VPN Remote clients •Google domain admin (accounts, groups, roles) •Key person in deploying new offices all over the world (Kuala Lumpur, Shenzhen, Bucharest, San Francisco) •Admin for SaaS software that are integrated with Okta Projects: •IaC for all AWS in IT account (terraforming of existing configuration) - in progress •network manage with Ansible - in progress •network vulnerabilities scan (nessus, openvas)

Key contributor and technical lead in building and operating enterprise infrastructure for large-scale customers, with strong focus on Data Center design, virtualization, storage, security, and high availability platforms. Key Responsibilities & Achievements: Designed and supported Data Center infrastructure projects, including server architecture, storage, backup, network connectivity, and security layers. Participated in planning and deployment of on-premise Data Center environments, ensuring redundancy, performance, and scalability for production workloads. Built and maintained enterprise virtualization platforms using VMware vSphere / vCenter and Hyper-V clustering. Designed and implemented high availability (HA) solutions for critical services including file servers, databases, and business applications. Led enterprise email infrastructure modernization by migrating from Linux-based mail systems to Microsoft Exchange, enabling improved collaboration and calendar management. Delivered enterprise storage solutions including SAN and FC configurations using IBM V7000/V3500, EMC, and Brocade Fiber Channel switching. Implemented robust backup and disaster recovery solutions using IBM Tivoli Storage Manager, including backup-to-disk and backup-to-tape (T3200 library). Supported infrastructure security through firewall deployments and HA implementations using Fortigate and Checkpoint. Implemented Microsoft SQL Server consolidation and HA strategies for development and production workloads. Worked closely with project stakeholders and technical teams to deliver infrastructure aligned with customer requirements and SLA expectations. Data Center & Infrastructure Highlights Built enterprise-grade infrastructure supporting large government and corporate projects. Delivered scalable virtualization and storage architecture supporting multi-tenant workloads. Implemented resilience through clustering, redundancy, and enterprise backup strategies.

• Working in information technology department offering technical support level 2 • Manage internal servers, minimize downtime and troubleshooting