Last update: May 10, 2022 ♦ eestikeelne CV
Contacts
Introduction
I've been working with computer and data networks for over 30 years, covering everything between and including OSI layers 1 and 7. Last more than 10 years I've been mostly working with network and application security. Different employers have made it possible to see the ITC world under many lights: a corporate customer, a start-up, ICT and security sales and support, an ISP...
My best friend is Wireshark. Others closely following are Ethernet, TCP/IP, different L7 protocols, HTTP/HTTPS, SSL/TLS, PKI, DNS, MFA, routing/switching, application delivery, firewalls, SIEM, UTM, Cisco, F5, Linux, Unix, bash, LAMP, SNMP, syslog, tcpdump, presentation clicker & HDMI/VGA converter.
My passion is developing / analyzing / troubleshooting network and security-related challenging stuff.
Colleagues describe me as
- Thorough
- Faultless
- Intelligent
- Even-tempered
- Creative
- Perfectionist
Education
- 1988-1989: Tallinn University of Technology, Computers and Computer Networks (not completed)
- 1976-1987: Secondary and basic education, elementary school - Tallinn Secondary School No 44 (advanced studies in English)
Employment
- Zone Media (MSP)
- since Oct 2021: Technical Architect
- developing network core that internal and customer traffic and services run on
- developing network and security parts of new customer services
- Rebelroam (MSP)
- Nov 2018 to Jun 2021: R&D Engineer
- developing solutions to ensure superb passenger experience when using WiFi on board different means of transportation (trains, coaches, ferries, aircraft)
- project Flightful: developing and maintaining a mobile-app-aware and feature-aware multi-layer firewall for iOS and Android apps to be used by passengers on board of airplanes; developing, building and maintaining network infrastructure and development and test network environment for the service
- Santa Monica Networks (VAR/SI, MSP)
- Sep 2006 to Oct 2018: Network Security Specialist
- developing, consulting, installing, operating networking and security solutions, pre-sales technical consulting, after-sales technical support, communicating with vendors' engineers and support teams, preparing and conducting lectures and presentations
- vendors: F5 Networks, Check Point Software Technologies, (Cisco Systems, Gigamon, Juniper Networks, MicroFocus)
- Sampo Pank; Danske Bank (end-user)
- May 2002 to Sep 2006: Network Engineer
- upgrading, developing, installing and operating branch office WAN and main office LAN networks and security solutions
- selected projects: change of IP addressing in internal network from public to private addresses; migrating public services to ADC platform; implementing reliable internet connectivity with connections from several ISPs
- vendors: Cisco Systems, Check Point Software Technologies, F5 Networks
- Unineti Andmeside; Uninet (Uninet Data Communications) (ISP)
- Feb 2000 to Apr 2002: Project Manager (R&D)
- developing ISP core network and services
- technologies: ATM, Ethernet, ADSL, VoDSL, LL
- Jun 1998 to Jan 2000: Project Manager (Sales)
- developing private network connections and special solutions, pre-sales technical consulting
- technologies: ISDN, Frame Relay, ATM, LL
- Tallinna Pank (Bank of Tallinn) (end-user)
- Jun 1996 to Jun 1998: Network Engineer
- developing, installing and operating branch office WAN and main office LAN networks and security solutions
- vendors: 3Com, Cisco Systems, Borderware
- Baltic Computer Systems (BCS) (VAR/SI)
- May 1995 to Jun 1996: System Administrator
- developing, installing and operating LAN, PBX, Internet connectivity
- Dec 1993 to Apr 1995: Product Manager
- developing and installing LAN solutions, pre-sales technical consulting, after-sales technical support, communicating with vendors and distributors, purchasing negotiations and logistics, managing sales operations
- major vendors: Novell, 3Com, Intel, Rittal, Tietosähkö, Lannet
- Apr 1993 to Nov 1993: Network Engineer
- developing and installing LAN solutions, pre-sales technical consulting, after-sales technical support
- major vendors: Novell, 3Com, Intel, Rittal, Tietosähkö, Lannet
- Skriining (VAR/SI)
- Jan 1993 to Apr 1993: Engineer
- developing, installing, operating LAN solutions, pre-sales technical consulting, after-sales technical support, database systems
- Sep 1990 to Jan 1992: Engineer
- developing, installing, operating LAN solutions, pre-sales technical consulting, after-sales technical support, database systems
- Domino Datapartner (Sweden) (software house)
- Jan 1992 to Dec 1992: Software Programmer
- programming petrol station systems
- languages: C++, x86
- Tallinn University of Technology (end-user)
- Nov 1988 to Sep 1990: Engineer
- installing and operating computers, networks and lab equipment, software programming
- Oct 1987 to Oct 1988: Engineer
- installing and operating computers and lab equipment, software programming
- Tallinn Bus Company
- Jul 1987 to Sep 1987: Technical Inspection Engineer
- inspecting vehicles before departing to service and after returning
(part-time)
- 2000 to 2002: Estonian Business School, Lecturer
- 1999 to 2010: University of Tallinn, Lecturer
- 1997 to 2000: BCS Tallinn Computer School, Lecturer
- 1996 to 2002: Baltic Computer Systems, Telecommunications Consultant
- 1985 to 1987: Tallinn Secondary School No 43, Mentor of a computer club
- 1984 to 1987: Youth Technical Club Nõmme, Mentor of a computer club
Professional Trainings
- MikroTik Certified Traffic Control Engineer. CCISRD (Estonia). Mar 2019
- MikroTik Certified Network Associate. CCISRD (Estonia). Feb 2019
- Infinera Partner Training. Infinera (Sweden). Oct 2017
- Check Point R80.10 Partner Training. Check Point (Finland), Peter Elmer. Aug 2017
- Check Point Security System Optimization. Check Point, Valeri Loukine. Sep 2016
- Check Point Sandblast Partner Training. Check Point (Finland). May 2016
- BIG-IP Access Policy Manager. Arrow ECS (Sweden), Henrik Gyllkrans. Sep 2015
- F5 Technical Bootcamp: Partner Edition. F5 Networks (Sweden), Jason Smith. Feb 2015
- Hands-on Hacking Essentials. Clarified Security, Heliand Dema. Aug 2013
- MPLS and L3VPNs. Santa Monica Networks (Finland), Mika Ilvesmäki. Nov 2012
- F5 BIG-IP Application Security Manager. F5 Networks (UK), Jon Wood. Sep 2012
- Implementing Cisco Data Center Application Services. Global Knowledge (Sweden). May 2012
- Check Point Certified Security Administrator R75. Computerlinks (Finland), Oliver Jantz. Mar 2012
- Deploying Cisco ASA VPN Solutions. Global Knowledge (UK), Graham Tuthill. Jun 2011
- F5 BIG-IP Link Controller. F5 Networks (UK), Tim Manchester. Nov 2010
- F5 BIG-IP Global Traffic Manager. F5 Networks (UK), Matt Davies. Nov 2010
- Troubleshooting BIG-IP Local Traffic Manager. F5 Networks (UK), Tim Manchester. Jul 2010
- F5 Architecting BIG-IP in an Application Delivery Network. F5 Networks (UK), Thomas Heloin. May 2010
- F5 Configuring BIG-IP with iRules. F5 Networks (UK), Thomas Heloin. May 2010
- CheckPoint Good Practices. Valeri Loukine. Oct 2008
- Cisco IronPort Partner Training. Cisco (Finland), Jari Salmi. Sep 2008
- Nokia NSA Foundation. Hawkware Training (Finland), Mika Rantanen. Mar 2008
- CheckPoint Security Administration NGX III. Computerlinks (UK), Don Paterson. Mar 2008
- ArcSight Security Analyst ESM 4.0. ArcSight, Brock Pearson. Mar 2008
- ArcSight Integrator/Administrator ESM 4.0. ArcSight, Dave Leslie. Feb 2008
- CheckPoint Provider-1 NGX. Compendium (Poland), Zbigniew Jakubowski. Feb 2008
- CheckPoint Smart Troubleshooting. CheckPoint, Valeri Loukine. Nov 2007
- F5 BIG-IP LTM Advanced Topics v9. F5 Networks (UK), Patrich Willms. Aug 2007
- Securing Networks with Cisco Routers & Switches. Global Knowledge (UK), Pete Goodall. Jun 2007
- Securing Networks with [Cisco] PIX and ASA. Global Knowledge (UK), Pete Goodall. Jun 2007
- Securing Cisco Network Devices. Global Knowledge (UK), Pete Goodall. May 2007
- F5 BIG-IP LTM Essentials v9. Compendium (Poland), Piotr Borkowski. Apr2007
- Optimizing and Finetuning CheckPoint Infrastructure. CheckPoint, Valeri Loukine. Feb 2007
- CheckPoint Security Administration NGX I+II. Computerlinks (UK), George Weir, Lesley Maddock. Nov 2006
- Building Secure WLANs In Windows Environment. Teleware (Finland), Petri Aalto. May 2005
- ICND. Teleware (Finland), Jukka Vuola. Feb 2004
- F5 BIG-IP Controller. Arecta Communications (Sweden), Henrik Gyllkrans. Aug 2003
- CheckPoint VPN-1/FW-1 Management I+II - NG FP3. Hawkware Training (Finland), Mika Rantanen. May 2003
- VPN. Relevantum (Finland), Vesa Keinänen. Mar 2003
- BGP Routing. Teleware (Finland), Roope Seppälä. Nov 2002
- IP Routers and Routing. Teleware (Finland), Roope Seppälä. Nov 2002
- Methods of Protecting Data Networks. Teleware (Finland), Toni Heinonen. Sep 2002
- Voice Over IP. Relevantum (Finland), Raimu Harju. Jan 2001
- Marconi MSH Transmission Systems. Elisa Communications (Finland). Nov 2000
- ATM Hands-On. Relevantum (Finland), Raimu Harju. May 2000
- ATM Network Basics. Relevantum (Finland), Raimu Harju. May 2000
- Voice Over FR & ACT Networks. Datatie (Finland). Feb 2000
- Newbridge FR SVC Workshop. Siemens (Finland). Oct 1999
- NetViz Advanced Training. Teleware (Finland), Jyrki Ollinen. Oct 1999
- NetViz Basics Training. Teleware (Finland), Jyrki Ollinen. Sep 1999
- Frame Relay Networks. Teleware (Finland), Kari Saarelainen. Oct 1998
- Mainstreet 36XX Equipment. Siemens (Finland), Esa Tornikoski. Jul 1998
- Troubleshooting Local Area Netwoks. Tieturi (Finland), Ilpo Malmioja. Oct 1996
- Network Management. Abobase Systems. Oct 1996
- Novell NetWare 3.1X Advanced System Manager. Lan Group, Henn Sarv. Feb 1995
- Novell NetWare 3.1X System Manager. Lan Group, Henn Sarv. Feb 1995
Other Trainings
- Supplementary Training about Working Environment. RA Education, Krista Silbaum. Oct 2017
- Public Performance, Training Your Speech and Voice. University of Tallinn, Härmo Saarm, Toomas Lõhmuste. Dec 2008
- IT Projects and How To Manage Them. BCS Education, Tiit Valm, Tarmo Rosenfeldt, Margus Püüa. Feb 2001
- Selling Actively. Mercuri International, Meelis Kitsing. Aug 1999
- Project Management and Methods. IBM (Finland), Arto Rantanen. Jun 1994
Professional and Public Activities
- F5 Networks development of certification exam questions (IDW) Jan 2015 (Seattle, WA, USA)
- Member: ISOC, since 2002
- Member: IEEE, since 1999
- Member: FidoNet, 1989 to 2014 (international amateur computer network)
- Member: Students' Union of Sciences, 1984 to 1988
- Organizer, Lead organizer: BBSummer, 1991 to 2002 (annual Summer camp for computer and telecom enthusiasts)
Professional Certifications and Acknowledgements
(expired)
- F5 Networks Certified Technology Specialist - F5-CTS, LTM - Aug 2013
- F5 Networks Certified Administrator - F5-CA - Nov 2012
- Check Point Certified Security Expert - CCSE - Apr 2017
- Check Point Certified Security Expert Plus NGX R65 (CCSE Plus) - Dec 2010
- Check Point Certified Security Expert NGX R65 (CCSE) - Jul 2009
- Cisco IronPort Certified Security Professional (CICSP) - May 2009
- Nokia Certified Security Professional (NCSP) - Sep 2008
- Nokia Certified Security Associate (NCSA) - Sep 2008
- Check Point Certified Security Expert NGX (CCSE) - Jan 2008
- Check Point Certified Security Administrator NGX (CCSA) - Jan 2008
- F5 Certified System Engineer (F5SE-LTM) - Jan 2008
- F5 Certified Product Consultant (F5PC-LTM) - Jan 2008
- Cisco Certified Security Professional (CCSP; CCNP Security) - Jan 2008
- Cisco IPS Specialist (CS-CIPSS) - Jan 2008
- Cisco IOS Security Specialist (CIOSSS) - Jul 2007
- Cisco Certified Network Associate (CCNA) - Dec 2005
- Check Point Certified Security Administrator NG (CCSA) - Sep 2003
Presentations and Seminars Given
- F5 solutions in automated and microservice environments. SMN TechDay, Sep 2018
- F5 Networks SSL Ochestrator - principles and operation. SMN seminar, Nov 2017
- HTTPS is a cybersecurity risk. How to cut it down? SMN Security Day, Sep 2017
- Treasures hidden in recent TMOS ja LTM upgrades. SMN seminar "F5 and hidden trasures - do you still need a firewall?" May 2017
- BIGIP directly on internet. Can you do without a firewall? SMN seminar "F5 and hidden trasures - do you still need a firewall?" May 2017
- Do you think logs are boring to read each night? Think again! SMN Security Day, Sep 2016
- HTTPS being a security risk. Äripäev (Business Daily newspaper) / IT Uudised (IT News web portal) conference "Information security", Sep 2016
- SMN seminar, Dec 2015
- Short journey to the edge of clouds. SMN Data Center Day, May 2015
- BIG-IP AFM. SMN seminar, Nov 2014
- BIG-IP ASM. SMN seminar, Nov 2014
- BIG-IP v11.6 Highlights. SMN seminar, Nov 2014
- F5 BIG-IP - a lot more than "load balancing appliance". SMN Security Day, Oct 2014
- BIG-IP - A Firewall? A Datacenter Firewall? SMN Security Day, Sep 2013
Courses and Trainings Given
- BIG-IP LTM Operations & Management. 2009-2017, different 1-5 day trainings
- TCP/IP basics training. 2006, 3 day training
- Data networking 101. 2002, 1 day training
- Managing computer networks. Estonian Business School, 2000-2002, 14 hour courses
- Designing computer networks. Computer networks and telecommunications. University of Tallinn, 1999-2010, 36 hour courses
- Telecommunications and networks - overview. 1999-2001, different 1 day trainings
- Basics of TCP/IP networking. 1999, 2 day training
- ISDN - technology, equipment, services. 1999, 4 hour training
- Computer networks. 1998, 2 day training
- Training for IT support people: chapter "computer networks". 1998-1999, 6 hour trainings
- Introduction to data communications. 1997-1998, different 3-4 hour trainings
- Computer networks - overview. 1995, 2 day training
Publications, TV/Radio Broadcasts
- Software packages for PCs - Backup Software and Utilities.
PC portfolio - Issue 1-12. Estonian Institute of Management, editor Toivo Lüll. 1989
- Software packages for PCs - Programming on PCs. Graphical User Interfaces.
PC portfolio - Issue 1-16. Estonian Institute of Management, editor Toivo Lüll. 1989
- Software packages for PCs - Norton Commander 3.0: User Guide.
PC portfolio - Issue 1-61. Estonian Institute of Management, editor Toivo Lüll. 1992
- Software packages for PCs - Novell NetWare LAN System.
PC portfolio - Issue 1-64. Estonian Institute of Management, editor Toivo Lüll. 1992
- Internet Service Providers in Estonia. Baltic IT Review, 1/1996 (1)
- Using modems for Internet connectivity. Estonian Computer World, 1996. Article in 3 parts
- Aaarghhh... Jumping Again. Eesti Ekspress (weekly newspaper) 34/1996
- Articles in Noorte Hääl (daily newspaper), Jan 1987, Nov 1985
- Taking part in certain radio (1985-1986) and TV (1983-1984) broadcasts
Language Proficiency (European language levels)
- Estonian - native speaker
- English - C1
- Finnish - understanding B2, speaking B1, writing A1
- Russian - understanding B2, speaking A2, writing A2
Hobbies
- Orienteering Sport
- Photography
- Tinkering with LAMP, Android, Apple II, environmental monitoring and some other devices