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Oleh Hrynchuk Email & Phone Number
DevOps Engineer
at
SchoolDay, formerly GG4L
LinkedIn matched
✓ Verified July 2026
3 data sources
Profile completeness 100%
Current company
Role
DevOps Engineer
Location
Ukraine
Company size
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Quick answer
Oleh Hrynchuk is listed as DevOps Engineer at SchoolDay, formerly GG4L, a with 69 employees, based in Ukraine. AeroLeads shows a matched LinkedIn profile for Oleh Hrynchuk.
Oleh Hrynchuk previously worked as DevOps at Global Grid for Learning | GG4L at Global Grid For Learning | Gg4L and Fighter of territorial defence at Voluntary Formation Of Territorial Defense. Oleh Hrynchuk holds Ms, Applied Mathematics Faculty from National University 'Ivan Franko' , Lviv.
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SchoolDay, formerly GG4L
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Profile bio
About Oleh Hrynchuk
* Jun 2022 - now. Broke military contract because health problems. I'm continuing to work in GG4L as devops. * Feb 2022 - May 2022. With the onset of the hot phase of the Ukrainian-Moscow war, I suspended my work in the IT industry and signed a contract with the Volunteer Territorial Defense and enlisted as an infantryman.* Jul 2019 - now. IT-infrastructure support engineer (with elements of "standard" devops responsibilities) at Global Grid for Learning (GG4L). TeamCity administration, AWS services, dockers, Linux/network administration, monitoring and stats...* Jan 2019 - Jul 2019. Night dispatcher/system administrator at provider of IT-cloud services (Tucha.ua). Tech. support and troubleshooting of Unix/Windows servers and network infrastructure* Jun - Nov 2018. I played role as IT & BPM consultant at MSK "Sokil". Started "from green field" and has finished project for deployment of booking system for hotel and recreative services* Feb 2016 - Mar 2018. I played role as IT-infrastructure manager at Rivne's Forestry with "standard" duties (IT strategy plans, Unix/Windows/network administration etc)* Sep 2015 - Jan 2016. I played role as IT consultant (as volunteer) in regional self-defence forces and couple other NGOs. My duties included help to Ukrainian Army and solving of various problems using open source software and instruments.* Dec 2014 - Aug 2015. PM in software development area at VIP Tone (USA).* Jan 2014 - Dec 2014. Volunteer at regional self-defence forces.* Nov 2013 - Jan 2014. I had tooking a rest.* Jan 2012 - Nov 2013. I played role as architect of OSS/BSS telco solutions at "S&T Ukraine".* Sep 2010 - Dec 2011. I played role as CIO at Kratos Ltd. (asset management company of some agroindustrial holding).* Jan 2010 - Sep 2010. I played role as independent IT-consultant.* Apr 2008 - Jan 2010. I played role as lead engineer in R&D dept. of new created "Octave Business Development" asset management company that belongs to "Incom holding group".* Nov 2005 - Apr 2008. I played role as lead engineer of R&D dept. at Incom Corporation.* Oct 2002 - Nov 2005. I played role as senior engineer-consultant and project leader at Incom Corporation.* 1993 - May 2002. I served as a Unix system engineer and network engineer, setting up and supporting Unix/network services and network (mostly Cisco and Nortel) equipment around Ukraine and Western/Central Europe.
Listed skills include Telecommunications, Integration, Pre Sales, Unix, and 42 others.
Current workplace
Oleh Hrynchuk's current company
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Schoolday, Formerly Gg4L
17 roles
Oleh Hrynchuk work experience
A career timeline built from the work history available for this profile.
Devops At Global Grid For Learning | Gg4L
CurrentIT-infrastructure engineer with some devops and secops functions:- Linux/network/dockers/Teamcity/AWS administration;- disaster recovery/migration/support plans;- StrongDM, Intruder and Orca software administration etc...
Jul 2019 - Present
Fighter Of Territorial Defence
Voluntary Formation Of Territorial Defense
With the onset of the hot phase of the Ukrainian-Moscow war (February 24, 2022), I suspended my work in the IT industry and signed a contract with the Volunteer Territorial Defense and enlisted as an infantryman.After 4 months, I was forced to resign from military service for health reasons.
Feb 2022 - May 2022
Night Dispatcher / System Administrator
Tech. support, troubleshooting and Unix/Windows/network system administration
Jan 2019 - Jun 2019
It & Bpm Consultant
Msk Sokil
Tried to deploy some fragmentary BPM solutions in business of recreative services. Started from green field and has finished project of deployment of booking system for recreative services.But the project was closed by owner decision.
Jul 2018 - Nov 2018
Project Manager
Msk "Sokil"
It was absolutely new and very interesting area for me.My main duty - to grow revenue through building of synergy of different business directions.Later I was concentrated on work in BPM area.
Jun 2018 - Jul 2018
Information Technology Infrastructure Manager
Rovne'S Forestry
Open source software integration, virtualization (Citrix XenServer etc), business processes automation, IT-consulting, unix/network administration, SSL, very beginning level of mysql/php-programming, disaster recovery policy, RFP/RFI processes, ...
Feb 2016 - Mar 2018
Volunteer
Regional Self-Defence Forces
Business processes optimisation, R&D activity, IT consulting, military trainings, comprehensive assistance to Ukrainian Army, crowdfunding, fundraising activity etc.
Jan 2014 - Apr 2017
Dec 2014 - Aug 2015
Rest
As Private Person
Took rest to be with family and enjoy life
Nov 2013 - Jan 2014
Oss/Bss Architect
Responsible for R&D tasks, developing and control of implementation of OSS/BSS architecture solutions in big (incumbent) communication service providers.Pre-sale activity (preparing holistic solutions for telcos) together with corresponding KAMs.
Jan 2012 - Oct 2013
Cio
"Standard" CIO's role. Overall IT-infrastructure covers networks and informational objects (servers, workstations, periphery, software) of three bakeries, one agro-industrial company, one separate grain elevator, one road maintenance site and couple another small and medium businesses.
Sep 2010 - Dec 2011
Lead Engineer
"Octave Business Development" Asset Management Company
Lead engineer at R&D department. The same responsibilities as before (complex technical and business tasks solving).
Apr 2008 - Jan 2010
Lead Engineer
From 2002 to 2005 - project management (department of big corporative projects). Played role as project engineer in big telecommunication and IT-infrastructure projects.From 2005 t 2008 - lead engineer at R&D dept.. Cooperation with other departments (technical, system, network, marketing, business etc). Responsible for separate complex infrastructure projects, search for workarounds and solutions at the intersection of different domains.
Jul 2002 - Mar 2008
It-Infrastructure Manager
The company developed software for GSM operators around the World. (m-commerce). I was employed as IT infrastructure manager (we with colleagues administrated a lot of Sun boxes around Central and Western Europe, network and data center in Prague).
Jun 2000 - May 2002
Network Engineer
Nextra Czech Republic
Mostly Cisco equipment & technologies, monitoring and statistics. But often also Unix scripting (perl, shell).
Oct 1999 - May 2000
System/Network Engineer
Terminal Bar / @Terminal.Cz
Solving usual admin's tasks: Unix/network administration, sendmail, Cisco/Livingston RASes, scripting (shell, perl), monitoring/statistics etc..
Feb 1998 - Sep 1999
1 education record
Oleh Hrynchuk education
FAQ
Frequently asked questions about Oleh Hrynchuk
Quick answers generated from the profile data available on this page.
What company does Oleh Hrynchuk work for?
Oleh Hrynchuk works for SchoolDay, formerly GG4L.
What is Oleh Hrynchuk's role at SchoolDay, formerly GG4L?
Oleh Hrynchuk is listed as DevOps Engineer at SchoolDay, formerly GG4L.
Where is Oleh Hrynchuk based?
Oleh Hrynchuk is based in Ukraine while working with SchoolDay, formerly GG4L.
What companies has Oleh Hrynchuk worked for?
Oleh Hrynchuk has worked for Schoolday, Formerly Gg4L, Global Grid For Learning | Gg4L, Voluntary Formation Of Territorial Defense, Tucha Cloud Service Provider, and Msk Sokil.
How can I contact Oleh Hrynchuk?
You can use AeroLeads to view verified contact signals for Oleh Hrynchuk at SchoolDay, formerly GG4L, including work email, phone, and LinkedIn data when available.
What schools did Oleh Hrynchuk attend?
Oleh Hrynchuk holds Ms, Applied Mathematics Faculty from National University 'Ivan Franko' , Lviv.
What skills is Oleh Hrynchuk known for?
Oleh Hrynchuk is listed with skills including Telecommunications, Integration, Pre Sales, Unix, Networking, Tcp/Ip, Business Process, and Network Architecture.
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