Gregory Ostapenko Email & Phone Number

Auckland, NZ

Auckland, New Zealand

Working with MDMs: Workspace ONE, Intune, MobileIron. Project work and BAU for enterprise customers, developing automated solutions for Workspace ONE and Intune and Azure AD and MobileIron and XenMobile using Powershell. Security policies implementations according to GCSB NZISM (based on ISO/IEC 27001).Full stack of IT management of hosted on-prem.

Auckland, New Zealand

Juniper, Hyper-V, Motorola RFS (rfs4000, rfs6000), Sophos UTM Architect certification.Migrations to Office365 and administering Office365.ScienceLogic Certified Professional from 13/10/2015.

Auckland, New Zealand

Experience in Exchange hybrid deployment & migrating to Office 365 (AD synchronization with MSOD), administering Office365 (PowerShell)Cross-forest migration from Windows 2003 to Windows 2012, mail migrating from Exchange 2003 to Exchange 2010, from Office365 to in-house serversCreating and supporting virtual infrastructure – VMWare, Citrix, Astaro, Thin.

Republic Of Karelia, Russian Federation

• The Central bank of Russian Federation manages a nation's currency, money supply, and interest rates, supervises the commercial banking system. Karelian branch includes a headquarter office with 400 employees in the.
• Payment systems Public Key Infrastructure Control Center administration:full-scale PKI structure (CA, RA, clients’ workplaces) test, implementation, maintenance; digital keys and certificates whole life-cycle support.
• Developed standardized technical and managerial guides for the PKI users and engineers according ISO/IEC 27001 standard
• Gathered the statistical data and analyzed current helpdesk issue trends designing new documentation covering the required PKI products for engineers and users within the Bank
• Hardware security modules (HSM): test, implementation, appropriate software installation and configuration
• PKI and HSM software and hardware vendor management

Republic Of Karelia, Russian Federation

• Home Credit and Finance Bank is a mass market consumer finance provider in Russia, and a part of an international Home Credit Group. Karelian branch consists of approx. 50 offices in 10 towns and 4 payment offices in.
• System administration and maintenance of over 50 desktops and MFDs: troubleshooting, updating, data backup
• Network infrastructure design, implementation and troubleshooting, performance optimization
• Tier 1/2 user support 24/7
• Vendor management, SLA’s and KPI’s monitoringAchievements:
• Optimized operation expenses by designing and implementing KPI monitoringTools:

Republic Of Karelia, Russian Federation

• Petrozavodsk city police department consists of 6 local police stations, with approximately 600 employees totally. System and network engineer, IT departmentResponsibilities:
• Wintel Server Administration (NT, 2003): accountants and video and file servers
• Microsoft Networked Technology Support (Active Directory, DHCP, DNS, Domains, Security and Trusts)
• MS Exchange 2003 implementation and support
• Tier 1/2/3 user support 24/7: computers, network and office equipment maintenance, diagnostics, and repair
• Configuring and maintaining Kaspersky Endpoint Security, Eset Smart Security.