Nathan K.
IT & Security Consultant | vCISO, Compliance
IT and cybersecurity professional with 36+ years of hands-on experience across networking, systems, storage, and security. Comfortable working in Linux and Windows environments, wired and wireless networking, switching and routing, firewalls, Active Directory, and Azure/M365 administration. Technical skills: Networking: LAN/WAN/MPLS design, switching and routing, wireless deployment, firewall configuration and refresh (Cisco, Palo Alto, Fortinet, SonicWall), secure remote access and mesh VPN (Tailscale). Cloud and identity platforms: Microsoft Azure/M365, Amazon Web Services, Google Workspace/Cloud, Akamai, IONOS, JumpCloud. Systems: Windows Server, Linux administration, Active Directory, Azure/Entra ID, Exchange administration and Exchange-to-M365 migrations, virtualization (VMware, Hyper-V). Server hardware: HP, Dell, Cisco UCS deployment, configuration, and lifecycle management. Storage: NetApp, Pure Storage, SAN design and administration. Endpoint protection: CrowdStrike, SentinelOne, Microsoft Defender, Cylance, Malwarebytes, BitDefender. Security: vulnerability management, SIEM/SOC tools, identity and access management, DLP, patch management, incident response. Compliance: HIPAA, HITRUST, PCI DSS, CMMC, FTC Safeguards Rule, CCPA. Infrastructure: data center design and consolidation, disaster recovery and backup (Rubrik, Azure, Acronis), systems monitoring (Zabbix, Nagios), help desk and change management. Certifications: CCISO, CISSP, CCSP, CEH, CHFI, CTIA, CCNA R&S, CCNP R&S, CCNA Voice, CCNA Security, CCDA, CCDP, CMNA, CompTIA Project+, CompTIA Security+, CompTIA Linux+, LPIC-1, Novell Certified Linux Administrator, NetApp SAN Administrator, CIW Web Foundations Associate, CIW Web Design Specialist, Crossbeam Certified Specialist. MBA, MS Cybersecurity. I work directly with you, not through layers of junior staff. Clear scope, clear price, straight answers about what you actually need. Available for one-time projects, assessments, or ongoing support.