Systems Engineer Active Directory

IGOR KHARAKOZOV

Brighton, MA ***** 617-***-**** ️ ***********@*******.***

linkedin.com/in/igor-kharakozov

https://www.youtube.com/watch?v=LN3lUyDtELM&list=LL

PROFESSIONAL SUMMARY

Versatile and results-driven VMware vSphere & Windows Systems Engineer with 20+ years of experience supporting mission-critical infrastructure across large enterprise environments. Expertise in virtualization, server migrations, Active Directory, cloud services, user support, and security hardening. Proven track record in data center design, IT integration projects, and cross-platform systems management. Fluent in English, Russian, and Ukrainian. U.S. Citizen.

CORE COMPETENCIES

VMware vSphere Administration (4.x – 8.0)

Windows Server (2003–2019) Management & Migrations

Active Directory / GPO / DNS / DHCP/ADFS

Windows XP-11, Mac OS, Ubuntu OS

Azure Portal, Microsoft Entra (Azure AD), Intune, 2FA, ADFS

Security Hardening, Patch Management (Ivanti, Nessus)

Disaster Recovery, Commvault / Veeam Backup Solutions

Microsoft 365, Exchange Online, Intune, Azure Portal

ITIL Processes (Incident, Change, Problem – Remedy, SOM)

PowerShell Scripting & Automation

Networking (OSI network layers, TCP/IP), UTM firewalls

On-call 24/7 Production Support, Users Support, Bomgar

SCCM patching, Microsoft Deployment Toolkit (MDT), Windows Deployment Services (WDS)

PROFESSIONAL EXPERIENCE

NTT DATA, Inc. — Infrastructure System Engineer

Boston, MA Feb 2021 – Dec 2024

Supported the merger of Harvard Pilgrim Health Care and Tufts Health Plan, migrating infrastructure across three VMware data centers.

Led Windows Server upgrades (2008/2012 to 2019) with minimal downtime.

Integrated Linux systems into Active Directory using Delinea (Centrify).

Collaborated with security teams to meet compliance standards through vulnerability scanning and remediation.

Managed incident response and change control under ITIL framework.

Daley & Associates (Contractor @ Tufts Medical Center) — Senior System Administrator

Boston, MA 2018 – Dec 2020

Managed 800+ servers across dual VMware vCenters in a regulated healthcare setting.

Applied critical patches using Ivanti Security Control and SCCM, ensuring compliance.

Maintained reliable backups and disaster recovery operations via Commvault Center.

Delivered Level 2-3 support for infrastructure incidents, including on-call rotations for critical issues.

Provided 24/7 Level 2-3 technical support, including Desktop and Server Support (installation, patching, auditing, configuration, security, AD, Troubleshooting Cisco VPN etc.) and after-hours on-call rotations.

CGI Group Inc. (Federal Projects) — Senior Consultant, Federal Managed Hosting (Wintel) Remote

Phoenix, AZ 2014 – Nov 2018

Provided Wintel infrastructure support to federal clients, including the U.S. Supreme Court and Nuclear Regulatory Commission.

Conducted Nessus vulnerability scans, implemented security remediation.

Managed VMware, Microsoft Hyper-V, and Windows environments, including template and VM provisioning.

Provided 24/7 on-call support, addressing critical infrastructure incidents.

Held National Security Clearance (SF-86) and Public Trust Certification (SF-85P).

John Hancock Financial Services — Senior Windows Systems Engineer

Boston, MA 2008 – 2014

Administered 975+ Dell/HP servers across multi-site data centers (physical & virtual).

Performed P2V migrations, reducing hardware footprint and increasing performance.

Built and supported 70+ ESXi Hosts in a production vCenter 5.1 environment.

Provided 24/7 on-call support for infrastructure reliability.

Terminal Services, Citrix support

Infrastructure projects,

Some End user support

ADDITIONAL EXPERIENCE

First Marblehead Educational, Boston, MA — Systems Engineer (2003–2008)

State of Maryland, Dept. of Health, Baltimore, MD — Network Specialist II (2000–2003)

TECHNICAL SKILLS

Platforms: Windows Server (2003–2019), VMware vSphere, Linux (RHEL), Office 365

Tools: Ivanti, Nessus, WSUS, Commvault, Veeam, SolarWinds, Lansweeper, SCCM, Microsoft Deployment Toolkit (MDT), Windows Deployment Services (WDS),

Cloud & Security: Azure Portal, Microsoft Entra (Azure AD), Intune, ADFS, MFA

Hardware: Dell/HP servers, EMC storage, UPS, Flex-10

Networking: TCP/IP, DNS, LAN/WAN, Cisco/Allied switches, Sophos UTM

Scripting: PowerShell, AD automation

EDUCATION & CERTIFICATIONS

Master of Engineering (MEng) – Electrical Engineering

National Aviation University, Kyiv, Ukraine

VMware Certified Professional (VCP5-DCV) – Stanley Community College

Microsoft Certified Systems Engineer (MCSE, MCP+I)

CLEARANCE

Clearance through U.S. Office of Personnel Management (OPM):

Public Trust Certification SF-85P for GSA

National Security Certification SF-86 for NRC

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