Teemu Lehtonen
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Teemu Lehtonen Email & Phone Number

Chief Technology Officer at Mirasys
Location: Espoo, Uusimaa, Finland 27 work roles
1 work email found @nokia.com 1 phone found area 840 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 1 phone

Work email t****@nokia.com
Direct phone (840) ***-****
LinkedIn Profile matched
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Current company
Role
Chief Technology Officer
Location
Espoo, Uusimaa, Finland
Company size

Who is Teemu Lehtonen? Overview

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Quick answer

Teemu Lehtonen is listed as Chief Technology Officer at Mirasys, a with 17 employees, based in Espoo, Uusimaa, Finland. AeroLeads shows a work email signal at nokia.com, phone signal with area code 840, and a matched LinkedIn profile for Teemu Lehtonen.

Teemu Lehtonen previously worked as General Manager, Product Owner at Mirasys and Vice President Expert, Security & Public Cloud Technologies at Digia Plc.

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Email format at Mirasys

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tlehtonen@nokia.com
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Profile bio

About Teemu Lehtonen

Teemu Lehtonen is a Chief Technology Officer at Mirasys. He possess expertise in mobile devices, mobile technology, security, network security, pre sales and 45 more skills. He is proficient in Swedish and German. Colleagues describe him as "I joined Teemu’s team just over a year ago, and it has been a lot of work, many achievements, and some challenges. All along the line, Teemu has been a supportive manager, encouraging the whole team and sharing his deep knowledge while being a warm person. However, life goes on, and Teemu jumps into his next mission, and I wish him all the best." and "Teemu is a very skilled IT professional. He has a deep understanding of technologies, processes and challenges related to information security and cloud solutions. It has been a pleasure working with him at Posti!"

Listed skills include Mobile Devices, Mobile Technology, Security, Network Security, and 46 others.

Current workplace

Teemu Lehtonen's current company

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Mirasys
Mirasys
Chief Technology Officer
Espoo, FI
Employees
17
AeroLeads page
27 roles

Teemu Lehtonen work experience

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

Chief Technology Officer

Espoo, Fi

General Manager, Product Owner

Espoo, Fi

Vice President Expert, Security & Public Cloud Technologies

Current

Helsinki, Uusimaa, Finland

Ensuring Digia Customer Security and Cloud technology selection and roadmaps deliver business results

May 2022 - Present

Jack Of All Trades

Current
Self-Employed

Cottage Construction

Building cottage

Jun 2019 - Present

Director Group Cloud Center Of Excellence

Results as of Dec 2021:Established new Cloud Center of Excellence unit and related processesManned the new CCoE FunktionAligned the CCoE Function to match new Oranization modelCreated Cloud Governance modelCreated Public cloud platform and their roadmapsExecuted the created roadmap and aligned activity based on Business feedback

May 2020 - May 2022

Chief Information Security Officer

Helsinki Area, Finland

Results as of Dec 2021:Established new security function and related processesManned the new security Funktion Aligned the security Function to match new Oranization modelEstablished Security Function In Business groupsIncrease security Maturity in posti according the Agreed leadership targetsCreated Security Vision, strategy and tactics for Posti GroupExecuted the created Vision, strategy and tactic with excellent feedbck from Posti Executive team

Nov 2019 - May 2022

Cto

Helsinki Area, Finland

Technical responsibility of the solutionhttps://www.uusimunresepti.fi

Nov 2017 - May 2022

Chief Information Security Officer

Helsinki Area, Finland

Result oriented modern security leader with proven track record:- Creating Security Solution for regulated industries including financial sector- Creating ISO/IEC 27001 Information Security Management System for modern startup and successfully passing re-audit- Establishing security portfolio for Public Cloud System Integrator and Managed Services- Creating scalable security architecture for Hybrid Multi-cloud for larger enterprises- Deep technical understanding of security solutions- Leadership skills for transferring organisation to modern SecDevOps way of workingTake Information Security ownership in Nordcloud GroupCreate ISO/IEC 27001:2013 compliant Information Security Management (ISMS) system for Nordcloud groupOversee Nordcloud ISMSAudit Nordcloud ISMS compliancy to ISO/IEC 27001:2013 with accredited auditor

Dec 2017 - Aug 2019

Director, Multicloud Core Infra & Security

Helsinki Area, Finland

Director of Public Multi Cloud Core Infra and Security portfolio, - Technology offering development - Staffing & Competence management - Technical Sales & Marketing - QualityAWS and Azure platform and public cloud technologies creating automated core Public cloud infrastructure for large Enterprise and financial customers

Sep 2017 - Aug 2019

Senior Cloud Architect, Security

Helsinki, Finland

Technical Lead on Security portfolio,Enabling Nordcloud Security CommunityProductising NordCloud Security offeringNordcloud ISO 27001 ISMS creation and deploymentAccomplishments:Cloud Native Secure Machine image solution -automatically create and keep up to date hardened machine image - same code used for building, redistributing and receiving images - Infrastructure as code implementation - customer customisation built-in with automatic update mechanism - can be integrated cloud natively to customer stack deployment / approval practises

Mar 2016 - Aug 2017

Security Architect

Helsinki, Finland

Working on Security in TeliaSonera Internal IT cloud and also Network Funtions Virtualization Infrastructure security.

Dec 2014 - Feb 2016

Systems Engineer

Espoo

Systems engineer for Finland and Baltics

May 2013 - Dec 2014

Marketing Manager, Demos

Espoo

Responsible for creating fabulous demo experiences for various global events (executive launches and event floor) as well as scaling demos to local people.Examples : Lumia 820 & 920 launch in New York September 2012 Lumia 720 and 520 Launch in Mobile World Congress Barcelona 2013 Lumia 925 Launch in London 2013

Aug 2012 - May 2013

Senior Manager Market Operations

Espoo

Teemu brings to the team experience from a variety of angles – a history of operator B2B technical support, deep understanding of Microsoft productivity back-end, demo creation, working with enterprises to mobilize solutions securely, and driving knowledge transfer and training activities including for operator B2B sales teams.

Sep 2011 - Aug 2012

Sr Solutions Expert

Espoo, Finland

Global solution expert on the Eseries devices. Creating systems, material and supporting the rest of the Go-To-Market team in succesfully bringing new devices and solutions to the challenging market.Achievement:Created Global Operator B2B solution hands-on training solution with the needed networking infrastructure and training material. Training course evaluation average from over 2 dozen training was 5.2 on scale from 1 to 6Created B2B demonstration environment that allowed Nokia to execute global event demonstrations in high profile events like Nokia world and Microsoft TechEds

Nov 2009 - Sep 2011

Senior Product Security Manager

Establishing security creation process in OVI purhace experience. Ensuring that R&D delivers secure system according to company internal requirements as well as industry standards like PCI.Directing the security activites of the whole team together with architects as well as product management and User experience folks

Feb 2009 - Feb 2010

Senior Product Security Manager

R&D security management of Software & Services Common Components group. Establishing Processes and practises around security in R&D programs. Supporting product security managers in their work.

Aug 2008 - Feb 2009

Senior Product Manager (Team Lead)

Devices R&D, S60, Applications and frameworks, custom SW Product management team lead for Helsinki, Salo, Oulu and Southwood sitesResponsible for product management on the folowing areas (but not limited to :-) ):Device Encryption, First Time Use, My Nokia, Product Specific, Local Connectivity Interface, Barcode reader, and Active Notes.

Jan 2008 - Aug 2008

Product Manager, Sw Portfolio Management

Working on security and corporate user functionality on Nokia E-series mobile devices software.

Apr 2007 - Jan 2008

Sr. Technical Sales And Marketing Manager

Heading a small team responsible for technical side of beta and pilot activities across whole ES/MSU portfolio in EMEA. The team is building Marketing demonstration and training systems in EMEA and Globally. This system is a key tool in driving any MSU solution into the market. Key task being demonstration of a solution, testing beta solutions, verifying behavior in customer environments and conducting training for both Nokia experts (Sales Engineers, MSU personnel and MDU personnel) and customers (Channel partners, Advanced Training partners and Distributors). Beta program activities include identification of product development needs, bugs and integration capabilities in the server component, client component and supported devices to enable successful launch of the new solution.

Sep 2005 - Apr 2007

Chief Technical Sales And Marketing Specialist

Chief specialist in MSU solution beta and pilot activities in EMEA. Executed critical pilot installation of Nokia Business center for key operator customers that resulted in about 250 000 USD solution sales in one 3 months. Executed training of Nokia Business center solution for both Nokia and customer technical people

Apr 2005 - Sep 2005

Senior Solution Manager

Senior Product Manager for Nokia E-mail solutions. Responsible for connectivity and security requirements in the solution. The program inherited work from the shark team and I continued working on the security requirements. The end result was the Nokia Business Center e-mail solution.

Apr 2004 - Apr 2005

Senior Solutions Consultant

Working on building solutions consisting of all ES mobile devices, EMS gateway products and 3rd party products. Started working in ES E-mail business group inside ES solutions unit. Successfully integrated IBM WEA/WECM, IBM Sametime everyplace, Research in motion Blackberry and Oracle Collaboration suite into Mobile office executive demonstration system as a project between Nokia Business Infrastructure and ES mobile devices end-to-end solutions group.

Jan 2004 - Apr 2004

Senior Product Manager

Senior Product Manager in NIC mobile network security team. Core member from NIC in the SECSTRA project. SECSTRA aimed to align security in all Nokia Business units. Created Nokia Internet Communications VPN transition guides for its customer when NIC decided to stop development of its own VPN product. This supported NIC customer when migrating from either remote access VPN as well as Wide Area network VPN to Nokia-CheckPoint VPN solution. Created global Nokia VPN remote access architecture. Created Mobile Office Executive Demonstration System architecture for show-casing all NIC products. Installed most of NIC products in this system so that sales and marketing people are able to demonstrate NIC solutions to customers.7.1 2002 – 31.12 2003 worked as expatriate in the Nokia Silicon valley office. Work included creating new revolutionary VPN design that was later patented and Teemu Lehtonen was one of the three inventors.

Oct 2001 - Jan 2004

Chief Specialist, Network Security

Chief Specialist, Network Security in the Global Network Security Team. Core Member of the Network Services Team WAN VPN, NIRA VPN and Wireless Access Nokia Office projects. Created Global Firewall.,VPN and extranet architectures. Gave valuable feedback to Nokia productline which resulted in being transferred to Nokia VPN product group as Senior Product Manager

Mar 1999 - Oct 2001

Senior Product Manager

Product Manager: Antivirus for firewalls, Product Manager: Antivirus mail gateway, Product Manager: Antivirus for Microsoft Exchange. 3 simultaneous duties as sole product manager responsible every product management aspect including engineering collaboration, requirements management, customer interaction, marketing and sales enablement.Firewall Routing Consultant: Consulting VPN gateway product

Sep 1997 - Mar 1999

Technical Manager

Avantcomp

Started as network security and networking professional. In the end headed the whole technical implementation and planning team

Mar 1995 - Sep 1997
FAQ

Frequently asked questions about Teemu Lehtonen

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

What company does Teemu Lehtonen work for?

Teemu Lehtonen works for Mirasys.

What is Teemu Lehtonen's role at Mirasys?

Teemu Lehtonen is listed as Chief Technology Officer at Mirasys.

What is Teemu Lehtonen's email address?

AeroLeads has found 1 work email signal at @nokia.com for Teemu Lehtonen at Mirasys.

What is Teemu Lehtonen's phone number?

AeroLeads has found 1 phone signal(s) with area code 840 for Teemu Lehtonen at Mirasys.

Where is Teemu Lehtonen based?

Teemu Lehtonen is based in Espoo, Uusimaa, Finland while working with Mirasys.

What companies has Teemu Lehtonen worked for?

Teemu Lehtonen has worked for Mirasys, Digia Plc, Self-Employed, Posti Group Oyj, and Ercomedics Oy.

How can I contact Teemu Lehtonen?

You can use AeroLeads to view verified contact signals for Teemu Lehtonen at Mirasys, including work email, phone, and LinkedIn data when available.

What skills is Teemu Lehtonen known for?

Teemu Lehtonen is listed with skills including Mobile Devices, Mobile Technology, Security, Network Security, Pre Sales, Product Marketing, Wireless, and Cloud Computing.

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