Interview
Get to Know Us: Ezio Talks Linux Engineering at Jane Street
- Ezio is a Linux Engineer at Jane Street's London office, joined in 2020.
- His team manages a significant portion of the technology stack, specifically the Linux platform infrastructure.
- Core responsibilities include monitoring, performance management, scaling, troubleshooting, and storage.
- The team builds and manages custom software to automate operations, scale infrastructure, and facilitate troubleshooting.
- Ezio cites "simplifying complexity" and connecting teams as key skills, essential for processing large information volumes during urgent incidents.
- Effective troubleshooting relies on deep theoretical knowledge of the Linux OS rather than just terminal usage.
- Problem-solving involves formulating hypotheses and diagnosing issues rather than performing repetitive operational tasks.
- Ezio leverages diverse experience from both big tech companies and startups to improve cross-functional collaboration.
- Jane Street's culture is described as "humble and accountable," requiring stated confidence levels when voicing opinions.
- Decision-making is consultative and inclusive, allowing team members to influence outcomes and feel safe offering input.
- Accountability involves openly owning mistakes to focus on collective problem-solving rather than blame.
- The company emphasizes work-life balance and social enjoyment through office events and community activities.
- The Pride Community Group was founded by Ezio shortly after joining, supported by HR and key leadership.
- The group operates globally across offices in New York, London, Amsterdam, Singapore, and Hong Kong.
- A specific advocacy achievement was securing explicit health insurance support for trans employees from the private provider.
- Social activities include group lunches, dinners, and drinks, while advocacy work involves direct engagement with benefits providers.
- Collaboration at Jane Street occurs through both informal methods (desk visits, coffee breaks) and formal processes (design docs, cross-office calls).
- Ezio notes that admitting a lack of knowledge and asking questions is a normalized and expected behavior, contradicting prior industry pressures.
- He advises experienced hires to prioritize listening and absorbing organizational context before formulating opinions or suggesting changes.
- New hires are not expected to be productive or opinionated on day one; the priority is understanding the "secret sauce" of existing processes.
- Excessive time spent on independent research before asking colleagues is discouraged in favor of direct inquiry and relationship building.