Joyanta D.

Senior Systems & IT Infrastructure Specialist with 10+ years of enterprise experience managing IT operations, endpoint security, and cloud infrastructure for mid-to-large organizations. Currently based in Finland (EEST / UTC+3), I provide proactive, reliable, and high-level remote IT administration for US and European teams—specializing in Microsoft 365, MDM fleet management, and hybrid infrastructure. Core Technical Expertise: Cloud Identity & Microsoft 365: User provisioning & lifecycle management, Microsoft Entra ID (Azure AD), Exchange Online, SharePoint/Teams admin, and SSO/MFA security policies. Modern MDM & Endpoint Management: Microsoft Intune and Hexnode UEM—device enrollment, compliance policies, BitLocker encryption management, software deployment, and remote troubleshooting. Systems & Infrastructure: Windows Server (Active Directory, Group Policy, DNS/DHCP), Linux (RHEL, Debian, Ubuntu), VMware Horizon, Proxmox virtualization, and enterprise mail platforms. Network & Endpoint Security: CrowdStrike Falcon EDR rollout, Fortinet / Checkpoint HA firewalls, MikroTik routing (MTCNA, MTCRE certified), VPNs, and VLAN segmentation. ITSM & SaaS Operations: Asana ticketing, Slack incident coordination, Acumatica ERP purchase requests and queries, Tequipy device procurement and tracking, Google Workspace, and AI tooling management (Claude Enterprise admin). Enterprise Highlights: Former Senior IT Manager (Pharma Enterprise): Led a 10-member IT team, managing infrastructure, Active Directory, and M365 ecosystems for 500+ users. Security & Infrastructure Upgrades: Deployed CrowdStrike EDR company-wide, configured High-Availability (HA) perimeter firewalls, and built custom self-hosted Linux mail infrastructure. Remote IT Support Specialist: Actively handling tier-2/3 ticket escalations, MDM remediation (Hexnode, Intune), identity provisioning, and device procurement for a US-based manufacturing company. Whether you need full lifecycle Microsoft 365/MDM management, server and network security hardening, or a dependable Tier 2/3 IT Systems Administrator for your remote team, let's schedule a call to discuss your requirements.