Profile picture
Periklis Brentakis Manager Cloud Infrastructure Operations
Email
brentakisp@gmail.com
Location
Thessaloniki, Greece
A & B categories
Work Experience
07/2024 – PresentThessaloniki, Greece

Manager - Cloud Infrastructure Operations

Deloitte⁠

Overall responsibility for the Cloud Infrastructure Operations. Participation in RFPs, providing support on architecture designs, client's infrastructure migration from on-premises to cloud solutions, custom solutions according to client needs and financial advisory for cloud cost reduction.

  • •Lead of Cloud L3 (team of 16)
  • •Customer management (Service/Technical Lead)
  • •Cloud Architect (Providing complete cloud solutions)
  • •Cloud Migrations (Lift&Shift, From scratch deployments using IaaC - Direct console approaches)
  • •FinOps for cloud platforms (Providing financial optimization for cloud platforms)
  • •Cloud Infrastructure management (AWS/Azure/GCP cloud platforms)
  • •On premises Infrastructure management (Hyper-V / VMware)
  • •DevOps & Automation (Terraform, Ansible, GitOps)
    • 02/2023 – 07/2024Thessaloniki, Greece

    Assistant Manager - Cloud Infrastructure Operations

    Deloitte⁠

    Assistant Manager role - expansion of team's capabilities to external clients environments. Implementation of new cloud solutions and migrations from on-premises to cloud environments.

  • •Team Leader (team of 5)
  • •Customer management (Technical Lead)
  • •Cloud Infrastructure management (Azure/AWS/GCP cloud platforms)
  • •Cloud Migrations (Lift&Shift, Deployments from scratch via IaaC/Console)
  • •On premises Infrastructure management (Hyper-V / VMware)
  • •Automation (Terraform, Ansible, GitOps)
  • •DevOps practices
  • •Linux Servers (RHEL, SUSE, Ubuntu)
  • •Windows Servers Management
    • 03/2022 – 02/2023

    Senior Consultant - System Administrator (L2/L3) Engineer

    Deloitte⁠

    Overall responsibility for Deloitte's DCM (Italy, Malta, Greece) systems management.

  • •On premises infrastructure management (Hyper-V / VMware)
  • •Cloud infrastructure management (Azure/AWS)
  • •Linux / Windows Servers
    • 01/2017 – 03/2022Sindos Industrial Area, Greece

    Senior IT System Administrator and Security Engineer

    REDESTOS - Efthymiadis Agrotechnology Group⁠

    Overall responsibility for security, design, installation, operations, support, documentation, expansion, and maintenance of the company's 12 DataCenters in Greece, Cyprus, Turkey, Romania, Bulgaria, Skopkje, Serbia.

  • •Windows Servers (AD, FS,Exchange, SQL)
    • Periklis Brentakis
    1 / 3
  • •Linux Servers (mostly Ubuntu -CentOS)
  • •Vmware & HyperV hypervisor management
  • •Security Administrator - (Firewalls, Security Policies, Security networking design, ISO27001)
  • •Maintaining infrastructure's networks and security policies
  • •Firewall management, Design, Rules, Policies & more (Sophos + Cisco)
  • •Monitoring and protecting the systems from outside and inside threats
  • •Managing physical access control system
  • •Maintaining system administration documentation and systems based on Global standards as ISO 27001 requirements
  • •Responsible for Personnel training about IT
  • •Managing MDM
  • •Team Leading (team of 3)
    • 09/2015 – 12/2016Thessaloniki, Greece

    IT Consultant - System Engineer

    EPSILON Pliroforiki⁠

    Member of IT Consultants company, supporting many clients in public and private sector.

  • •Design, installation, migration, support, documentation, monitoring & maintenance of client's infrastructure.
  • •Network & Telecommunication solutions.
  • •Call Centers. Providing design, creation, installation, support, documentation, monitoring & maintenance. Built in Asterisk using Elasitx Platform.
  • •Relationship building with customers, promoting trust with the company and ongoing cooperation.
    • 09/2013 – 04/2014Thessaloniki, Greece

    Traineeship IT Systems Engineer

    INERGO IT SA⁠

    Member of IT Consultants company, supporting many clients in public and private sector.

  • •Network & Telecommunication solutions (design, installation, migration, support, documentation, monitoring & maintenance of client's infrastructure).
  • •Client remote support (1st + 2nd level) over internet, via phone & email, on site as needed for support and for rollout installations.
  • •Relationship building with customers, promoting trust with the company and ongoing cooperation.
    • Education
    2021 – 2025

    Master of Science in CyberSecurity

    International Hellenic University⁠
    2008 – 2013
    2012 – 2012

    Erasmus Programme in Network Security

    Yaşar Üniversitesi⁠

    Participant in IWOSI 2012 at the Yasar University in Izmir, Turkey.

    "Information Warfare, Cyber Warfare and Open Sources Intelligence- IWOSI"

    https://euc.yasar.edu.tr/the-information-warfare-cyber-warfare-and-open-sources-intelligence-iwosi/

    09/2017 – 05/2018

    CCNA, Routing and Switching

    Cisco Networking Academy⁠

    Completion of CCNA training program from CISCO Academy

    Periklis Brentakis
    2 / 3
    Skills
    Team Management

    Team and Department leading

    Ability to follow operational procedures and job aids under strict deadlines
    Ability to prioritize and execute with minimal direction or oversight
    Ability to follow operational procedures and job aids
    Client Management

    Service & Technical Management

    Strong critical thinking and problem-solving abilities
    Demonstrated commitment to training and self-study
    Certificates
    AWS Certified Solutions Architect – Associate

    Amazon Web Services (AWS)

    Issued Apr 2025 · Expires Apr 2028

    Credential ID d834750306ce4150b319b28aab5fc11c

    AWS Learning paths x14
    • •Selecting your Data Migration Strategy with AWS
    • •AWS Snowball Edge Logistics and Planning
    • •AWS Billing and Cost Management
    • •Architect Knowledge
    • •Block/File Storage Knowledge
    MS 500T00: Microsoft 365 Security Administration

    Microsoft Official Course

    Installation, Storage, and Compute with Windows Server 2016

    Microsoft Official Course

    ECDL Core Certificate

    ICDL Certification

    ITIL® v4 Foundation Certificate in IT Service Management

    AXELOS Global Best Practice

    Issued Dec 2023 · Expires Dec 2026

    Credential ID GR671592600PB

    VMware vSphere: Install, Configure, Manage [V7]

    VMware Education Services

    Identity with Windows Server 2016

    Microsoft Official Course

    Be a Coach

    Designate Talent & Performance

    Issued Dec 2022

    Certificate of participation in ERASMUS IWOSI 2012

    Yaşar Üniversitesi - Participation

    ServiceNow IT Leadership

    ServiceNow

    Issued Dec 2023

    Credential ID 4e0b6e8da5b7ca0f51a1d0f15cad24f176e59b66f9f1db1c9cf9ac6ec6e36fc2

    Sophos Certified Engineer

    Sophos Certification

    Sophos Firewall v18.5 - Engineer

    Sophos Certification

    IELTS Academic

    University of Cambridge - C1 level - Certification

    Cisco Certified Network Associate Service Provider Operations (CCNA)

    Cisco Academy Course

    Languages
    English — IELTS  C1|Greek — Native|Italian — A1
    Periklis Brentakis
    3 / 3