Rafal Mierzwiak Email and Phone Number
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Rafal Mierzwiak personal email
Rafal Mierzwiak phone numbers
Infrastructure engineer equipped with a mindset and ability to design systems which are reliable, easy to understand and maintain.Started my first teenage job at an ISP back in the days when Linux was taking off. Ever since busy building and improving online platforms, making sure technology keeps up with business demands.I have designed and built online platforms, from scratch and revamped inherited. Built DR sites and took part in developing BCP plans. Assured PCI-DSS compliance of an online transactional system. Introduced zerotrust/beyondcorp model to a thousand engineers strong organisation.Dedicated leader and compassionate manager, hired and managed local and remote teams. An engineer at heart, passionate about technology, on daily basis I roll up my sleeves to help troubleshoot network and systems issues.Two decades of experience in multinational environments, most recent years dedicated to a Silicon Valley success story.
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Software EngineerDataminr Jan 2023 - PresentNew York, Ny, Us* First SRE minded hire outside of the US, helping reliably operate cloud infrastructure of a leading AI driven event collection and processing, risk detection and messaging global 24/7 platform serving hundreds high profile customers* Driving force behind complete platform revamp project, designed and implemented all-new modern AWS cloud setup spanning across multiple accounts and regions* Trusted infrastructure and operations advisor to the AI organisation, helped optimise use of specialised hardware and introduced modern monitoring tools and practices* Notable challenge, in the works as we speak: all-new IDP, a core part of wider initiative spanning across all of Engineering***If you ask one thing that made me join Dataminr I'd explain how we use state-of-the-art technology for the greater good. Think of a platform that provides UN personnel with real-time information during earth shattering incidents. A meaningful effort, does make a difference.With that said... we're hiring, for various roles, levels and locations (also remote). Please do reach out if you wish more details, I'll be delighted to answer questions and/or put you in touch with someone who can.
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Software EngineerReddit, Inc. May 2019 - Dec 2022San Francisco, California, Us* Employee no.3 in the first European office, proudly wearing badge of the very first engineering hire outside of the US* Helped establish culture and processes on this side of the pond, interviewed hundreds candidates across dozens engineering teams* Senior engineering role, supporting and operating infrastructure powering the Front Page Of The Internet* Designed and implemented secure hub and spoke gateway for sensitive data streams transiting across networks, accounts and cloud providers* Advocated for Zerotrust as effective model for better security* Helped lay foundation for the Internal Developer Platform, internal product used by thousand engineers strong development organisation* Helped productionise Reddit Talk, global scale product used by many thousands redditors daily -
Team Lead, Site Reliability EngineeringSojern Jan 2017 - Apr 2019San Francisco, California, Us* Hands-on team leader role, built global remote-friendly SRE unit, headhunted and hired, mentored and managed team of 5 seasoned professionals* Planned, preached, traveled, video-conferenced, presented, documented and vc-ed some more to ensure team was blending in nicelyA bit of technical involvement, too:* Helped patch and improve platform components, notably revamped inter-service communication (increased reliability), release process (more confidence), front-end load balancing (better maintainability), logging facilities to provide structured information (traceability) and instrumented applications to provide golden monitoring metrics (insight-ability)* Specced, designed and implemented Infrastructure-as-Code framework, helped develop the tools and retrofit infrastructure components* Introduced BeyondCorp -like model to a thousand employees strong organisation -
Team Lead, Cloud OperationsMarketo Sep 2012 - Dec 2016San Jose, California, Us* Hands-on team leader role, team operating in follow-the-sun regime, hired and mentored engineers for the European office* In charge of a 24/7 SaaS platform serving high-profile customers, multiple datacenters on 3 continents, thousands of servers, petabytes of data* Designed and established best operational practices* Recognized as team's most prolific documentation writer* Go-to person with all monitoring matters* First hand experience with a Silicon Valley startup growing ten-fold and going public -
Team Lead, Web OperationsHostelworld.Com Jun 2008 - Aug 2012Dublin City, County Dublin, Ie* Hands-on team leader role, hired and managed systems team* In charge of a 24/7 E-commerce platform with a truly global customer base, multiple datacenters, hundreds of servers, terabytes of data* Responsible for datacenters' capital and operating expenses* Grew infrastructure from handful to hundreds of servers in a dual-datacenter, hot-failover setup* Established DR/BCP plans* Certified the platform against PCI-DSS* Assisted senior level management during acquisition by an investment fund* Go-to person with all infrastructure matters -
Team Lead, Platform OperationsPayzone Gmbh Nov 2005 - May 2008Trier, De• Hands-on team leader role, collaborating closely with business and engineering teams• In charge of a 24/7 financial platform processing millions transactions per day• Go-to person with all monitoring matters -
Technical Project ManagerPolimex.Net Jul 2003 - Jun 2005Łódź, Łódzkie, Pl• Technical project manager role• Lead major infrastructure upgrade/migration project• Established company-wide data and access security policies -
Internet And Security EngineerMakolab Nov 1999 - Jun 2003Łódź, Woj. Łódzkie, Pl• Infrastructure and systems engineer role• In charge of a 24/7 ISP platform serving hundreds broadband customers, thousands domain, web and email accounts• Developed ISP management portal
Rafal Mierzwiak Skills
Rafal Mierzwiak Education Details
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University Of LodzInformation Technology/Computer Science
Frequently Asked Questions about Rafal Mierzwiak
What company does Rafal Mierzwiak work for?
Rafal Mierzwiak works for Dataminr
What is Rafal Mierzwiak's role at the current company?
Rafal Mierzwiak's current role is Web Operations, Site Reliability Engineering, Security.
What is Rafal Mierzwiak's email address?
Rafal Mierzwiak's email address is rm@rm.pl
What is Rafal Mierzwiak's direct phone number?
Rafal Mierzwiak's direct phone number is +165029*****
What schools did Rafal Mierzwiak attend?
Rafal Mierzwiak attended University Of Lodz.
What skills is Rafal Mierzwiak known for?
Rafal Mierzwiak has skills like Linux, System Administration, Security, Apache, Mysql, Unix, Php, Tcp/ip, Virtualization, Team Leadership, Shell Scripting, Dns.
Who are Rafal Mierzwiak's colleagues?
Rafal Mierzwiak's colleagues are Matthew Cloherty, Catherine Scholl Segring, Richard Moloney, Ryan Campbell, Angelica Zverovich, Kevin O'connell, Rachel Mikulsky-Cutino.
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