Hannes Ylä-Jääski
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Hannes Ylä-Jääski Email & Phone Number

System Administrator at DevNet Oy
Location: Finland 9 work roles 9 schools
1 work email found @devnet.fi LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email h****@devnet.fi
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Current company
DevNet Oy
Role
System Administrator
Location
Finland
Company size
15 employees

Who is Hannes Ylä-Jääski? Overview

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Quick answer

Hannes Ylä-Jääski is listed as System Administrator at DevNet Oy, a with 15 employees, based in Finland. AeroLeads shows a work email signal at devnet.fi and a matched LinkedIn profile for Hannes Ylä-Jääski.

Hannes Ylä-Jääski previously worked as System Administrator at Freelancer and Car Service Specialist (Out of main vocation) at Eiset Oy. Hannes Ylä-Jääski holds Java Mooc, Computer Science from University Of Helsinki.

Company email context

Email format at DevNet Oy

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*@devnet.fi
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AeroLeads found 1 current-domain work email signal for Hannes Ylä-Jääski. Compare company email patterns before reaching out.

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Profile bio

About Hannes Ylä-Jääski

System and network administrating since 1994.Specialities: C/C++, Ansible, OpenStack, DEVOPS / UNIX / Linux / Network / JavaMy first Linux kernel version was 0.96a patched.

Listed skills include Linux, Unix, Git, Servers, and 44 others.

Current workplace

Hannes Ylä-Jääski's current company

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DevNet Oy
Devnet Oy
System Administrator
lahti, päijänne tavastia, finland
Website
devnet.fi
Employees
15
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9 roles

Hannes Ylä-Jääski work experience

A career timeline built from the work history available for this profile.

System Administrator

Current
Devnet Oy

Lahti Area, Finland

Working as system administator at very modern server environment.Developing Linux based firmwares for embedded time tracking devices with C / C++.

Nov 2016 - Present

System Administrator

Freelancer

Mosty Home

This is my own projects. Just keeping up my professional touch,

Dec 2012 - Nov 2016

Car Service Specialist (Out Of Main Vocation)

Eiset Oy

Delta Auto Lahti

New car delivery and user car repairs. Working as out of my current vocation at car service. New car deliveries and user car repairs / maintenance. Driving used cars between customer selling points.Locations: Delta Auto Lahti and Delta Auto Kouvola

Jun 2015 - Dec 2015

System Administrator

Logica

Supporting development team as an system administrator.

Nov 2009 - Dec 2012

Hardware Specialist

Mavecom Service House Oy

Worked with customers as hardware/software specialist.

Feb 2007 - Feb 2008

Ceo

Assat

UNIX and database administration and consulting.

Dec 2004 - Sep 2006

Unix Administrator

Cap Gemini

Worked as a team member in middle sized UNIX team. Had responsibility of ultra high capacity and high availibility infrastructural production clusters. Worked with many many commercial unices, like AIX,HP-UX,Solaris and Linux.

Sep 2002 - Dec 2004

Unix Administrator

Spray Network Oy

Administrated huge linux server clusters. Hosted web services for over 300000 users.

Feb 1998 - Jun 2002

Unix Administrator

Pc-Superstore Oy

Small time Linux / Unix administrating for daily customers.

Jan 1997 - Jan 1998
Team & coworkers

Colleagues at DevNet Oy

Other employees you can reach at devnet.fi. View company contacts for 15 employees →

MM Matti Mesiainen Matti Mesiainen Colleague at Devnet OyFinland View → PA Petja Aaltoluoto Petja Aaltoluoto Colleague at Devnet OyFinland View → TK Teemu Korkiakangas Teemu Korkiakangas Colleague at Devnet OyFinland View → PM Petri Melin Petri Melin Colleague at Devnet OyFinland View → SK Sanna Koskimäki Sanna Koskimäki Colleague at Devnet OyFinland View → MN Masi Niemi Masi Niemi Colleague at Devnet OyFinland View → RL Riikka Lehikoinen Riikka Lehikoinen Colleague at Devnet OyHollola, Päijät-Häme, Finland View → TK Toni Kaskela Toni Kaskela Colleague at Devnet OyFinland View → KM Kokkoniemi Matti Kokkoniemi Matti Colleague at Devnet OyFinland View → MP Mika Partala Mika Partala Colleague at Devnet OyLahti, Päijät-Häme, Finland View →
9 education records

Hannes Ylä-Jääski education

Java Mooc, Computer Science

University Of Helsinki

Basics of computer programming, algorithms and object-oriented programming using the Java programming language. Plus deeper dwell.

Education record

Self Learning

Hp-Ux Administration

Hp Training

Hp Trucluster Administration

Hp Training

Ibm Db2 Universal Database Administration Workshop For Unix

Ibm Training

Aix 5L System Administration I: Implementation

Ibm Training

Aix 5L System Administration Ii: Problem Determination

Ibm Training

Aix 5L System Administration Iii: Performance Management

Ibm Training

It Professional Education, It Professional Education

Aikuisvalmennuskeskus

Tietotekniikan ammattitutkinto.

FAQ

Frequently asked questions about Hannes Ylä-Jääski

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

What company does Hannes Ylä-Jääski work for?

Hannes Ylä-Jääski works for DevNet Oy.

What is Hannes Ylä-Jääski's role at DevNet Oy?

Hannes Ylä-Jääski is listed as System Administrator at DevNet Oy.

What is Hannes Ylä-Jääski's email address?

AeroLeads has found 1 work email signal at @devnet.fi for Hannes Ylä-Jääski at DevNet Oy.

Where is Hannes Ylä-Jääski based?

Hannes Ylä-Jääski is based in Finland while working with DevNet Oy.

What companies has Hannes Ylä-Jääski worked for?

Hannes Ylä-Jääski has worked for Devnet Oy, Freelancer, Eiset Oy, Logica, and Mavecom Service House Oy.

Who are Hannes Ylä-Jääski's colleagues at DevNet Oy?

Hannes Ylä-Jääski's colleagues at DevNet Oy include Matti Mesiainen, Petja Aaltoluoto, Teemu Korkiakangas, Petri Melin, and Sanna Koskimäki.

How can I contact Hannes Ylä-Jääski?

You can use AeroLeads to view verified contact signals for Hannes Ylä-Jääski at DevNet Oy, including work email, phone, and LinkedIn data when available.

What schools did Hannes Ylä-Jääski attend?

Hannes Ylä-Jääski holds Java Mooc, Computer Science from University Of Helsinki.

What skills is Hannes Ylä-Jääski known for?

Hannes Ylä-Jääski is listed with skills including Linux, Unix, Git, Servers, Solaris, Bash, Linux System Administration, and System Administration.

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