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CV

Sebastiaan Brozius
Author
Sebastiaan Brozius

Summary
#

  • Currently Cloud Engineer / Cloud Consultant at CloudNation. I have experience in several different areas of IT. Passion for scripting/developing. I love being challenged as it makes both you and the other grow, and helps to improve processes. Focusing on AWS and CI/CD, currently working towards AWS DevOps Engineer Professional. I've taken up bushcraft as a hobby, and I am also a volunteer for a bushcraft organisation, where I'm supporting the instructors during courses, as well as learning new things along the way, every time.

  • Work Experience
    #

  • Cloud Consultant / Cloud Engineer

    May 2022 - present

    CloudNation, Bunnik

    • Working on projects for multiple customers, helping them set-up and/or improve their AWS environment.
    • Deploying landing-zones in AWS using org-formation.
    • Deploying infrastructure using Terraform.
    • Migrating Linux-hosts from a data centre to AWS EC2 instances using Terraform for setting up the infrastructure, AWS Migration Hub and AWS Application Migration Services.
    • Helping a customer migrate their existing application to AWS ECS FarGate using Terraform and GitHub.
    • Designing and deploying an environment for a customer to run application workloads, as well as a solution to migrate existing data to S3 and keeping it in sync with on-prem, using several AWS services, Synology and Terraform.
    • Deploying an environment with EC2 instances, VPC peering and site-to-site VPN, for hosting temporary Oracle Database servers, using Terraform.
    • Improving existing processes and templates and developing new ones, using Terraform, Python, CloudFormation and org-formation.
    • Providing documentation and how-to's for both customer and co-worker reference.
    • Providing support/troubleshooting when customers have issues in their AWS environment.

  • Senior Cloud Engineer

    June 2020 - April 2022

    Solvinity, Amersfoort

    • Member of the Public Cloud team, developing solutions and supporting the customer teams with the implementation of Cloud solutions.
    • Creating an AWS Landing Zone template using Terraform.
    • Integrating OpsGenie with ServiceNow using Terraform and JavaScript.
    • Giving demos and helping co-workers with Terraform and deploying infrastructure using CI/CD pipelines.
    • Supporting co-workers issues in AWS and Azure.
    • Creating a workflow for promoting operating system base-images through DTAP in an Oracle Cloud Infrastructure environment, using Ansible, Terraform and GitLab pipelines.

  • Senior Windows Engineer

    June 2016 - May 2020

    Solvinity, Assen

    • Part of one of the customer teams; troubleshooting, maintenance, implementing new solutions, on-boarding new customers and setting up new environments.
    • Implemented a Microsoft SQL Always-On cluster.
    • Setting up a development-environment with virtual machines in Azure, using PowerShell.
    • On-call duty several times a year for the entire company.
    • Setting up new customer environments using PowerShell, VMware vCenter and Microsoft Hyper-V.
    • Migrating customer environments to our platform, including both lift \& shift migrations and greenfield deployments.
    • Automating tasks using PowerShell, e.g. installing new server-certificates, automated fail-over of an Microsoft SQL Always-On cluster for maintenance including a PowerShell module for managing the cluster.
    • Troubleshooting customer-issues and management of customer environments, using PowerShell, Microosft Exchange, VMware vCenter, Microsoft Hyper-V, Linux, Windows Server, Microsoft SQL, Cisco ASA Firewalls, PaloAlto firewalls, Shavlik Patch Management.
    • Preparing the weekly team sprint-planning.

  • System Administrator/Technical Consultant

    June 2014 - June 2016

    NORISK IT Group, Groningen

    • Migrating an on-premise customer-environment to our private cloud, based on Microsoft Hyper-V and Microsoft Azure Pack.
      Used technologies: Windows Server 2012 R2, Exchange 2013, Microsoft Remote Desktop Services, Microsoft Azure Multi-Factor Authentication Services, RES ONE Workspace 2015.
    • Setting up a private cloud environment based on Microsoft Hyper-V and Microsoft Azure Pack.
    • Implementing Commvault Simpana 10 in our private cloud environments.
    • Creating a reporting script for our customer environments for billing purposes, using PowerShell, PowerCLI.
    • Scripting server and applications installations using PowerShell, batch-files, AutoIT.
    • Setting up monitoring, based on Nagios.
    • Administering customer-environments in our private cloud.
      Used technologies: Windows Server 2012 (R2), Exchange 2010 en 2013, RES ONE Workspace 2012 and up, Citrix XenApp 7, VMware vSphere 5 and 6.
    • Administering a customer-environment, which we migrated from an environment spread over 6 Active Directory-domains in a number of locations. This included providing 2nd and 3rd line support, managing backups, updating various applications, managing Microsoft Exchange 2010, and maintaining the Citrix environment.
      Used technologies: Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, VMWare vSphere 5, Exchange 2010, RES Workspace Manager, Citrix XenApp 6.5, Citrix PVS.

  • System Administrator

    July 2012 - May 2014

    XLence Companies, Groningen & Hoevelaken

    • Administering and migrating/consolidating a customer-environment, spread over 6 Active Directory-domains in a number of locations. This included providing 2nd and 3rd line support, managing backups, updating various applications, managing Microsoft Exchange 2010, maintaining the Citrix environment, migrating Exchange-environments to a single new Exchange 2010 environment, on-site support.
      Used technologies: Windows Server 2003, Windows Server 2008 R2, DPM 2010, Citrix XenServer 6, VMWare ESX, Exchange 2010, ISA Server 2006, Citrix MetaFrame, Microsoft Terminal Services, Symantec Backup Exec, RES Workspace Manager.

  • Technical Consultant

    November 2011 - June 2012

    XLence Companies, Groningen & Hoevelaken

    • Responsible for realising internet connections on client-sites for a large healthcare institution. Activities included measuring WiFi coverage and advising the client-sites about the options, requesting internet connections, installing wireless networks and configuring the access points and access point controllers, communicating with the site-managers, clients (with mental disabilities), region managers, other departments.
      Used technologies: HP ProCurve Access Points, HP ProCurve Wireless Controller, Windows XP, Ekahau Site Survey, FritzBox, DrayTek.

  • Technical Consultant/Team lead

    February 2011 - October 2011

    XLence Companies, Groningen & Hoevelaken

      Responsible for inventorying and preparing sites of a large healthcare institution for the transition to a new network-environment, as well as providing on-site support after site-migrations. Activities included managing the project-staff, consulting with the client, planning, checking workplace compliancy, modifying/replacing workplaces/printers.
      Used technologies: Windows XP, Windows 7, RES Wisdom, Citrix XenApp Client, HP Printers, Microsoft Office 2003.

  • System Administrator

    February 2011 - May 2014

    XLence Companies, Groningen & Hoevelaken

    • System administration for several customers, migrating customers to Office365, on-site customer support (Office Windows XP, Windows 7), server administration (Windows Small Business Server 2003/2008, Windows Server 2008), migrating Exchange environments to Office365.

  • Software Developer

    January 2009 - December 2010

    Koops Furness, Zwolle

    • Responsible for and developing of an application for showing consolidated financial information from several sources (Darts, IBM iSeries, ADP EVA DMS).
      Used technologies: Microsoft SharePoint 2007, Visual Studio 2008/2010, Visual C#, ASP.NET.
    • Supporting system administrators (Tivoli Storage Manager, Windows Server, SAN, Cisco, RES PowerFuse, Active Directory, Group Policies).
    • Setting up a development environment based on Windows Server 2008, SharePoint 2007, Microsoft Team Foundation Server 2005, Tivoli Storage Manager.

  • Junior Software Developer

    November 2008 - December 2008

    4dotnet, Meppel

    • Obtaining .NET Developer certificates.
    • Troubleshooting an in-house developed application for performing maintenance work in Maximizer.

  • Junior Software Developer

    January 2007 - October 2008

    Cosmo Trucks (part of Koops Furness), Zwolle

    • Developing and documenting a new intranet, based on Microsoft SharePoint 2007, ASP.NET, Visual C#.
    • Developing several Office AddIns.
    • Developing an application for updating several applications on end-user laptops.

  • Network Administrator/Network Specialist

    February 2003 - December 2006

    Cosmo Trucks (part of Koops Furness), Zwolle

    • Taking part in a project to set up a Microsoft Terminal Server environment, including setting up a new Active Directory domain.
      Used technologies: Windows Server 2003, PowerFuse 7, Softricity SoftGrid 3.0.
    • Managing the backup-server, based on IBM Tivoli Storage Manager.
    • Creating a script to automate workstation deployment.
    • Responsible for the functioning of the network equipment, including setting up a VPN solution and the operation of the WAN-connections between the 37 branch-offices and headquarters.
      Used technologies: Cisco routers (1600-series, 1700-series, 800-series, 3945), Cisco VPN Concentrator 3000, Cisco ASA firewalls, Cisco 2950 switches.

  • System Administrator

    March 2002 - January 2003

    Cosmo Trucks (part of Koops Furness), Zwolle

    • Responsible for approximately 650 workspaces, and the servers and Windows domains throughout the country.

  • System Administrator

    July 2001 - December 2001

    AdVo ICT Professionals, Houten

    • Responsible for deploying Microsoft Terminal Server environments at several elementary schools, based on Windows Server 2000.
    • Recurring on-site system administration for several customers.
    • On-site support and troubleshooting.

  • System Engineer

    1999 - June 2001

    Cam IT Solutions, Nieuwegein

    • Setting up new network-environments (including at a construction site for a new hospital in Hoorn).
    • On-site system administrations for several customers (mainly small and medium enterprises).
    • Support and troubleshooting; both remote and on-site.

  • Helpdesk personel

    1998 - 1999

    Cam IT Solutions, Nieuwegein

  • Computer assembly worker

    August 1996 - 1998

    Cam IT Solutions, Nieuwegein

  • Certifications
    #

  • Amazon Web Services

    Active

    AWS Certified Cloud Practitioner (CLF) (W7KKRC6DN24E1TKS)
    AWS Certified Developer - Associate (DVA) (THFEDELJ22EE1PGD)
    AWS Certified Solutions Architect - Associate (SAA) (NCWDS31JH1Q114CN)
    AWS Certified SysOps Administrator - Associate (SOA) (8NQSY6310NQ4QD9K)
    AWS Certified Solutions Architect - Professional (SAP) (MS13T0C1Z1R1QBG3)
    AWS Certified Advanced Networking - Specialty (ANS) (3S70P042WJVQQEK4)
    AWS Certified Security - Specialty (SCS) (FMMR5DPBPNQ4QZCP)

  • Microsoft

    Active

    Microsoft Certified Solutions Associate
    Microsoft Certified: Azure Fundamentals

  • VMware

    Active

    VMware Certified Professional 6 – Data Center Virtualization (VMW-01283488T-00443853)

  • Skills
    #

  • DevOps

    AWS, Azure, Terraform, CI/CD, OpsGenie, Ansible, Docker, TeamCity, git, GitHub, GitLab, Puppet

  • Programming

    PowerShell, bash, JavaScript, Python

  • Infrastructure

    Networking, Hyper-V, VMware, AWS, Azure, Terraform

  • Other

    Commvault Simpana 10, Zerto

  • Languages

    Dutch (native), English (advanced)

  • Education
    #

  • MBO Telematica, Scutos, Utrecht

    1993 - 1996

  • HAVO, Minkema College, Woerden

    1991 - 1993

  • MAVO, Minkema College, Woerden

    1987 - 1991

  • Extra Curricular
    #

  • AWS Community Builder, Amazon Web Services

    February 2023 - present

    The AWS Community Builders program offers technical resources, education, and networking opportunities to AWS technical enthusiasts and emerging thought leaders who are passionate about sharing knowledge and connecting with the technical community.

  • Volunteer, Siegurd.nl

    January 2021 - present

    Assisting during bushcraft courses, supporting the instructors and participants.