Elite IT Manager

Yazdan Hosseini

Infrastructure that never sleeps.

I design, build and run the infrastructure businesses depend on — from virtualized server clusters and enterprise networks to VoIP systems that keep teams connected.

Let's talk Explore expertise
  1. 01
    Virtualization

    VMware ESXi & vCenter clusters

  2. 02
    Networking

    MikroTik & Cisco routing, switching, VPN

  3. 03
    Servers

    HPE & Dell enterprise hardware

  4. 04
    VoIP

    Issabel PBX & SIP telephony

About

Good infrastructure is invisible. You only notice it when it's missing.

I lead IT operations end to end — from racking hardware and cabling to architecture decisions and the people who run it day to day. My focus is simple: stable systems, secure networks and clear documentation, so the business can move fast without worrying about what's underneath.

  • Uptime firstRedundancy, monitoring and tested backups before anything else.
  • Secure by designSegmented networks, least-privilege access and hardened edges.
  • DocumentedEvery change written down, every system handed over cleanly.

Expertise

Four layers. One reliable stack.

Virtualization

Designing and operating VMware ESXi hosts and vCenter clusters: resource planning, HA/DRS, vMotion, snapshots and backup strategies that keep workloads running.

  • ESXi
  • vCenter
  • HA / DRS
  • vMotion

Network

Building secure, segmented networks with MikroTik RouterOS and Cisco IOS: VLANs, dynamic routing, firewalls, site-to-site VPN and QoS.

  • MikroTik
  • Cisco
  • VLAN
  • OSPF / BGP
  • VPN

Server Infrastructure

Deploying and maintaining HPE ProLiant and Dell PowerEdge servers: out-of-band management with iLO & iDRAC, RAID and storage, firmware lifecycle and capacity planning.

  • HPE ProLiant
  • Dell PowerEdge
  • iLO
  • iDRAC

VoIP

Running Issabel-based telephony: SIP trunks, extensions, IVR menus, call queues and recording — reliable business voice over IP.

  • Issabel
  • Asterisk
  • SIP
  • IVR

Stack

Hardware and platforms I work with every day.

VMware ESXivCenterMikroTik RouterOSCisco IOSHPE ProLiantiLODell PowerEdgeiDRACIssabelAsteriskSIPVLANOSPFBGPIPsec / WireGuardRAID

Approach

From audit to always-on.

A calm, repeatable process — the same whether it's a single branch office or a full data center.

  1. 01

    Assess

    Audit the current environment, map dependencies and find the single points of failure.

  2. 02

    Design

    Plan an architecture sized for today's load with room for tomorrow's growth.

  3. 03

    Deploy

    Roll out in controlled stages with rollback plans and minimal downtime.

  4. 04

    Operate

    Monitor, document, back up and keep improving — so the system stays boring in the best way.

Contact

Let's build infrastructure that just works.

Available for infrastructure projects, consulting and IT leadership roles.

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