Напиши текст вакансии для должности "Head of SRE (DevOps)". Название компании: "Serokell". Расположение: Санкт-Петербург. График работы: Удаленная работа. Опыт работы: От 3 до 6 лет. Ключевые навыки: 'Английский язык', 'Linux', 'NixOS', 'TCP/IP', 'Git', 'Bash', 'Haskell', 'English', 'Leadership Skills', 'Teamleading', 'Responsibility'

We are a fast-growing, fully-remote software development company that works on innovative solutions for complex problems. We’re packed full with adventurous, curious, and inclusive folks that want to build cutting-edge software with modern technologies like functional programming. We’re seeking an experienced Site Reliability Engineer willing to lead a team of three SREs and to work with Nix/NixOS. As the Head of SRE, you will be responsible for our operations team, building and managing infrastructure for our and our clients’ software projects. The Head of SRE is, essentially, the technical lead of the SRE team and the product manager for our internal products that have to do with IT infrastructure. You will also be able to work on open-source projects that boost the whole Nix ecosystem. We expect you to:  Feel at home using Linux. Have at least 3 years of SRE experience. Experience with the Nix ecosystem (nixpkgs, NixOS, haskell.nix, etc.) is not obligatory, but you should be willing to learn. Understand a thing or two about networks (IP addresses and routing, TCP, UDP). Have some understanding of cloud computing and Terraform. Be knowledgeable about monitoring best practices. Have experience in setting up incident reporting tools and mitigation protocols. Know how to use common dev tools (like Git, Bash, GPG, etc.). Be able to read and write some Haskell or Rust code if necessary.  As part of your job, you will:  Oversee and organise the work of the SRE team. Provide vision and set a direction for our infrastructure-related efforts. Maintain a healthy relationship between product teams and the SRE team. Spend quite a lot of time reading and writing Nix expressions. Spend some time maintaining and improving our NixOS-based, declarative infrastructure. Maintain and propel DevOps culture. Help developers learn the tools needed for the infrastructure-as-code approach. Improve our alerting systems and incident mitigation procedures. Monitor and respond to security risks. Contribute to our open-source tooling and libraries. Improve observability capabilities in the Haskell ecosystem.  What do we offer?  Competitive salary Attractive international projects Participation in the leading world conferences International teams and multicultural environment Fully remote work and flexible working hours Possibility to take days off any time you need Rapid salary growth Fast professional and career growth Mentoring and training English language courses  By joining us, you’ll become a part of a warm community of ingenious engineers, computer scientists, designers, marketing experts, and other inventive people. You will be able to take part in ambitious projects that work on building the next generation of computer software, try out crazy initiatives unhindered by bureaucracy or judgment, and have fun in our Slack channels that range from #music to #butthurt (did we mention the huge custom emoji set?). All applicants go through a test task to test their skillsets.