Esa-Matti Mayfield


is available. ✅

Owner, Business owner, Mayfield Rocks

Joensuu, Finland

About me

Information Technology Risk Management Strategist with many years of hands on technical and management experience.


Information technology
Lead Auditor
ISO/IEC 15408
ISO/IEC 27001
ISO/IEC 9001
Information Technology Management
Information Security Management
Python Programming
Storage Area Networking (SAN)
Network Administration
Microsoft Windows system administration
Linux system administration
UNIX system administration
Microsoft Exchange Server
Microsoft Office 365
Microsoft Azure
Information Security
Computer Science
Software Development
Data Migration
System Migration


Professional experience for Esa-Matti Mayfield

  • Current 2 years and 7 months, since Apr 2019

    Chief Information Security Officer (interim)

    Not disclosed

    Advisor member of board of directors in leading the development and maintenance of risk management, Information Technology, Quality and Information Security policies and management systems in support of industry standards and regulations.

  • Current 3 years and 4 months, since Jul 2018

    Business owner

    Mayfield Rocks

    Multinational IT and information security managemen consultant with emphasis on Technology Risk Management, compliance with technology regulation and industry standards.

  • Current 3 years and 4 months, since Jul 2018

    Information Security Consultant

    Not disclosed

    Supporting client IT and Information Security staff in ISMS development in preparation for ISO 27001 certification.

  • 1 year and 9 months, Oct 2016 - Jun 2018

    Group IT Manager/ISMS Lead

    Blancco Technology Group IP Oy

    Managed the Group’s multinational IT staff, IT services, and Information Security: Designed, implemented, and maintained the Group IT Service Management Syststem; Presided over IT budget and significant cost optimizations to internal and production services; Oversaw the implementation of several technology changes and improvements within the Group; and development and implemented ISMS policies and controls in preparation for ISO 27001 certification.

  • 1 year and 2 months, Apr 2015 - May 2016

    Senior Cloud Architect

    CUProdigy Cloud LLC

    Designed, implemented, and maintained corporate multi-site: Microsoft Active Directory domain; VMware vCloud AIR public cloud platform; various networking technologies, including Cisco routers, switches, and firewalls, SonicWall firewalls, and Brocade and IBM Fiber Channel switches; ongoing technology training and knowledge transfer within the internal IT organization; IBM Tivoli Storage Manager (TSM) backup system. Participated in regulatory and security audits, such as SSAE16 and State audits.

  • 1 year and 1 month, Apr 2014 - Apr 2015

    Manager of Cloud Services

    CU Prodigy Cloud LLC

    Successful migration of collocated networks and systems; IBM TSM server migration; SAN integrations and data migrations; mergers and migrations of multiple 3rd party online banking services and networks; merger and integration of Tri-CUE and CUProdigy internal networks and services; multiple customer WAN/VPN integrations utilizing various broadband and business class technologies; overhaul of the MySQL and application host for better scaling and data protection; automated core system backups; and more.

  • 1 year and 3 months, Feb 2013 - Apr 2014

    Senior Systems Engineer

    Cobalt Iron

    Developed python and shell based software and processes that aid in the automatic building and deployment of Cobalt Iron products; Provided Tivoli Storage Manager support to customers globally; Provided consulting and engineering support services across the globe to various customers dealing with a variety of technologies, including: VMware, IBM Servers, FC/iSCSI SAN, various flavors of Linux, Microsoft Windows, IBM TSM 5+.

  • 7 years and 1 month, Feb 2006 - Feb 2013

    IT Manager

    Tri-CUE, Inc.

    Design and management of all IT systems, including: IBM AIX/PowerVM, VMware , Microsoft Windows/ADS, and Linux hosts; IBM TSM backup system; Ultradata Enterprise/Rocket Unidata based banking systems; data extractions utilizing Perl and shell scripting; network infrastructure, devices, and networks; Storage Area Networks (SAN); SAS70/SSAE16 security audit preparation and qualification; MS-SQL databases; and Microsoft Exchange and Office 365. Managed and trained IT Staff.

  • 3 years and 1 month, Jan 2003 - Jan 2006

    UNIX Systems Administrator

    T&C Federal Credit Union

    Managed HP-UX system that hosted the core banking system; Ultradata Enterprise/Rocket UniData based core banking system; Utilized Perl/shell scripting for various administrative and data extraction tasks; Created online backup process for the core system using DB pause and JFS2 snapshot technology; Performed end-user and desktop support as port of the IT team.


  • English

    First language

  • Finnish

    First language

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