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Micko Castrén Email & Phone Number

System Administrator at Huld
Location: Helsinki, Uusimaa, Finland 6 work roles
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✓ Verified August 2026 2 data sources Profile completeness 86%

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Current company
Huld
Role
System Administrator
Location
Helsinki, Uusimaa, Finland
Company size
290 employees

Who is Micko Castrén? Overview

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Quick answer

Micko Castrén is listed as System Administrator at Huld, a with 290 employees, based in Helsinki, Uusimaa, Finland. AeroLeads shows a matched LinkedIn profile for Micko Castrén.

Micko Castrén previously worked as Senior Information Technology Specialist at Frendy and Senior Information Technology Specialist at Soluto Oy.

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Email format at Huld

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Huld

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Profile bio

About Micko Castrén

I'm a well rounded expert in all things related to Information Technology with a mindset to never quit learning new things and make space for new ways of working. I have more than a decade of experience working for MSP 's and internal IT teams both as a technical consultant, sysadmin, architect etc. I am known for my piety of getting things done and for my end user first mentality. I enjoy sharing my knowledge and am proficient in making technology make sense to people who are not tech savvy.My background in technology started at a very early age. I was deeply hooked into computers from the first minute I got to play with my friends familys C64 in elementary school. Unfortunately LinkedIn is pretty limited on listing skills as there is a limit on how many you can add. Here is a list of my most liked technologies from best to worst by category.Currently relevant skills used daily- PowerShell- RESTful API / oAuth- Azure- Jira & Confluence CloudThings im learning currently:- Kubernetes- Apache Kafka- SalesForce- Entra ID Private AccessThings i have expertise on:Automation/Integration- Azure Automation Account/Azure Functions (+5 years)- oAuth/RESTful - Expert (+5 years)- Zapier - Expert (+2 years)- MuleSoft - Intermediate (1 year)- IFTTT - Intermediate (1 year)Languages & Frameworks- Powershell - Expert (+8 years)- Python - Intermediate (+3 years)- Django - Intermediate (1 year)- React/Next.js/Vue.js - Intermediate (1 year)- HTML/CSS - Expert (+20 years)- Plain JavaScript - Intermediate (+2 years)Ticketing/ERP Systems- Autotask - (+10 years)- Jira Server - (+2 years)- Jira Software Cloud - (+2 years)- Jira Service Management Cloud (+2 years)Documentation platforms- ITGlue (+5 years)- Confluence Cloud (+3 years)- Obsidian (1 year)- Sharepoint (+10 years)Development related services- Git (+5 years)- GitLab (+5 years)- GitHub (+3 years)RMM Products- N-Able (+10 years)- NinjaOne (+2 years)- Xupervisor (1 year)Preinstallation environments- MDT/SCCM (+10 years)- Intune/Autopilot (+5 years)- OSDCloud (+2 years)- Jamf (+3 years)- Miradore (+5 years)- Munki (+2 years)- PDQ Deploy (+5 years)- Ninite Pro (+5 years)- PSAppDeployKit (+5 years)Virtualization/container platforms- Azure (+5 years)- VMWare (+10 years)- Citrix XenApp/XenDesktop (+8 years)- Docker (+2 years)- AWS (+2 years)Security related tools- Ghidra (+3 years)- Metasploit (+5 years)- Nessus (+2 years)AI Tools- ChatGPT (Since released)- GPT-Engineer (Since released)- Midjourney (Since released)- Uizard (Since released)

Listed skills include Windows Server, Microsoft Exchange, Sccm, Citrix, and 26 others.

Current workplace

Micko Castrén's current company

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Huld
Huld
System Administrator
espoo, southern finland, finland
Website
huld.io
Employees
290
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6 roles

Micko Castrén work experience

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System Administrator

Current
Huld

Espoo, Uusimaa, Finland

Currently working for Huld Oy as a System Administrator.Responsibilities include:All development projects related to the IT environmentOverhaul of the current IT systems and environment in generalWhat I've accomplished so far:Revamping the whole asset management and procurement processBuilding an entire JiraSM Cloud instance for IT and other internal teamsMultiple integrations using python/powershell mainly with Azure Automation Accounts/Function AppsRe-documenting everything related to the IT-environmentNurtured my team members with knowledge gained during my careerImproved the IT security processes and systems while in charge for themGetting more than a few extremely positive reviews left by key people in our organization :)

Apr 2022 - Present

Senior Information Technology Specialist

Frendy

Helsinki, Southern Finland, Finland

Soluto joined FRENDY. Continued as a Senior IT Specialist as described below.

Oct 2021 - Mar 2022

Senior Information Technology Specialist

Soluto Oy

Began my career at Soluto first as an advanced IT Specialist to get to know the customer base while slowly transferring over to a Senior role.I got a lot of appraisals from my customers for handling issues in both professional and friendly manner.Via Soluto I also worked as a Senior IT Consultant for Nixu Corporation for an extensive period of time.Projects included but not limited to: - Building a pre-installation environment with MDT with extensive customizations to fit the company needs. (30+ custom installations for customers) - Building several integrations between systems. - Building a complete front and backend webshop using modern technologies (Custom HTML, CSS and Javascript for the frontend and a complete inventory management system using Django) - Extensive server maintenance - Powershell scripting for both internal use and for customer environments

Dec 2019 - Nov 2021

Advanced Information Technology Specialist

Soluto Oy

Helsinki Area, Finland

May 2018 - Dec 2019

Information Technology Consultant

Nixu Corporation

Worked as an external IT consultant for Nixu internal IT. Various Tier 2 and Tier 3 tasks.

May 2019 - Dec 2019

It-Specialist

Blc Taito Oy

IT-specialist in various tasks. Specialized in virtualization and automation. Worked closely with several customers IT-chiefs while on-site and lately did automation and installation tasks using PowerShell and Miradore.Got certified in Citrix XenApp maintenance and OSX.Worked on-site for multiple small- to midsize businesses including but not limited to:Trainers' HouseTalentumBaronaFonectaSpace Systems FinlandMediverkko

Jul 2010 - Feb 2018
Team & coworkers

Colleagues at Huld

Other employees you can reach at huld.io. View company contacts for 290 employees →

VR Ville Räisänen Ville Räisänen Colleague at HuldTampere, Pirkanmaa, Finland View → TP Tatjana Petkovic Tatjana Petkovic Colleague at HuldHelsinki Metropolitan Area, Finland View → DF Daniel Forster Daniel Forster Colleague at HuldVaasa, Ostrobothnia, Finland View → JG Johannes Gressmann Johannes Gressmann Colleague at HuldTampere, Pirkanmaa, Finland View → JA Jano Aksoy Jano Aksoy Colleague at HuldJärvenpää, Uusimaa, Finland View → AL Anu Liukko Anu Liukko Colleague at HuldTampere Metropolitan Area, Finland View → SG Simon Grudé Simon Grudé Colleague at HuldHelsinki, Uusimaa, Finland View → MM Marko Moilanen Marko Moilanen Colleague at HuldOulu, North Ostrobothnia, Finland View → AM Aleksi Männistö Aleksi Männistö Colleague at HuldTurku, Southwest Finland, Finland View → LR Laudes Rivas Laudes Rivas Colleague at HuldTampere Metropolitan Area, Finland View →
FAQ

Frequently asked questions about Micko Castrén

Quick answers generated from the profile data available on this page.

What company does Micko Castrén work for?

Micko Castrén works for Huld.

What is Micko Castrén's role at Huld?

Micko Castrén is listed as System Administrator at Huld.

Where is Micko Castrén based?

Micko Castrén is based in Helsinki, Uusimaa, Finland while working with Huld.

What companies has Micko Castrén worked for?

Micko Castrén has worked for Huld, Frendy, Soluto Oy, Nixu Corporation, and Blc Taito Oy.

Who are Micko Castrén's colleagues at Huld?

Micko Castrén's colleagues at Huld include Ville Räisänen, Tatjana Petkovic, Daniel Forster, Johannes Gressmann, and Jano Aksoy.

How can I contact Micko Castrén?

You can use AeroLeads to view verified contact signals for Micko Castrén at Huld, including work email, phone, and LinkedIn data when available.

What skills is Micko Castrén known for?

Micko Castrén is listed with skills including Windows Server, Microsoft Exchange, Sccm, Citrix, Mdt, System Deployment, Software Deployment, and Citrix Metaframe.

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