Rafal Mierzwiak Email & Phone Number

New 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.

San 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

San 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

San 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

Dublin 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

Trier, 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

Łódź, Łódzkie, Pl

• Technical project manager role• Lead major infrastructure upgrade/migration project• Established company-wide data and access security policies

Łódź, 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