\nTessian protects every business’s mission by securing the human layer \n\n\nThe Tessian Cloud Email Security platform helps enterprises defend against email attacks, protect against data loss and respond to security incidents more efficiently. By combining artificial intelligence with an understanding of employee email behavior, Tessian is able to prevent complex email attacks and data loss incidents that evade Secure Email Gateways and the built in security controls of M365 and Google Workspace. \n\n\nThe world's largest banks, healthcare organizations, hedge funds and law firms all use Tessian to secure their email environments, data and people whilst saving their security team time. In 2022 alone, Tessian prevented hundreds of thousands of business email compromise attacks, data loss incidents and  saved hundreds of hours of work for security teams. \n\n\nTessian is headquartered in London and Boston with 200+ employees globally and has raised over $120m in venture capital funding from world leading investors like Sequoia, Accel, Balderton, March, Citi and Okta. Tessian was recognized as one of Fast Company’s Most Innovative Companies for 2022. More information can be found at www.tessian.com.\n\n\nBackend Engineering at Tessian\nWe are looking for a Staff Engineer to join our Gateway Integration team. The Gateway team is a small, but critical, team responsible for one of Tessian’s key customer integrations - a Mail Transfer Agent. The MTA server is highly optimised for email traffic and integrates with M365, G-Suite and Exchange Server. You will be joining the team at an exciting time, working to deliver a new multi-tenant architecture, with significant business and customer impact.\n\n\nThe Gateway team’s tech stack includes:\nTypescript, NodeJS & Python\nSMTP protocol\nDocker and AWS Lambda/ECS\nHigh volume NoSQL databases\nTerraform built environments\n\n\nResponsibilities:\nEngage with the world of Typescript, Python 3 and AWS, architecting robust distributed systems designed to manage immense volumes of SMTP traffic with exceptional speed.\nEmbrace the responsibility of maintaining and supporting our essential business systems, always mindful of the interplay between scale, latency, and cost.\nTake on the complex task of processing highly sensitive email traffic, a challenge that will refine your skills in data security and handling.\nCultivate a supportive environment by providing thoughtful, actionable feedback, fostering growth and development among team members.\n\n\nQualifications:\nSet technical direction for the team and understand what “good” looks like, maintaining a high level of technical quality across the team.\nBringing experience of working at scale, and having seen and solved diverse technical challenges in your career.\nProduct focus: you understand deeply how customers and the wider org are impacted by your decisions, and the work of those you influence.\nAble to “see around corners” and proactively identify problems before they slow us down.\nExcellent communicator, able to empathetically communicate and constructively challenge in both technical and non-technical contexts to a diverse audience.\n\n\n\n\n\n\n\nIf you're not sure that you exactly fit all of the above criteria, please do get in touch anyway. We're always willing to speak to great candidates even if you don't feel you meet every criteria listed! \n\n\nTessian is an equal opportunity employer, committed to equality and diversity amongst both our employees and prospective applicants. The Human Layer we're securing is diverse, and we know we need to be diverse and inclusive to successfully create HLS that reflects this. You can read our equality and diversity statement here.\n\n\nAs part of our commitment to equality and diversity, we're also a corporate member of the WISE Campaign for gender equality in STEM & we're a founding member of the WEDS network driving diversity & inclusion in startups.\n\n\nBy submitting your application to Tessian, you consent to Tessian retaining your information and contacting you about future job opportunities, that may be of interest, for up to 2 years in accordance with our Privacy Policy \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Python, Cloud, NoSQL, Engineer and Backend jobs that are similar:\n\n $60,000 — $110,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nUK - (Remote / London Office)

\nWe're a primarily Linux-based operation with a mix of in-house, external and common open-source dependencies. Our internal systems are all based on a Linux / Postgresql / Redis / NGINX / NodeJS / Rust micro services stack. We also run some Java and SQL Server-based systems.\n\nWe're looking for candidates who can demonstrate excellent experience and skills and are wiling to get started designing, building and deploying Prometheum's hybrid physical/cloud infrastructure.\n\n\nRequirements:\n- 7+ years direct experience building and managing production web-facing infrastructure\n- 5+ years experience in one of C++, Java, Rust, C#, Go, server-side Javascript or Python (or some combination) as well as extensive scripting experience\n- Hands on skills in key systems deployment (network, hardware, OS, modern application stacks)\n- Hands on skills with designing, configuring and deploying network security devices\n- Excellent knowledge of modern reporting, monitoring and alerting systems\n- Excellent demonstrable working knowledge of Linux systems\n- Excellent understanding of security principles across both modern and legacy infrastructures\n- Extensive experience of physical, cloud and hybrid deployments\n- Familiar with container-based solutions, including working experience with Kubernetes and Docker\n- Familiar with Windows Server deployments & SQL Server\n- Familiar with agile and agile project management (for development and infrastructure projects)\n- An understanding of basic blockchain principles and key software and network structures\n- Experience producing and maintaining technical and systems documentation\n- Experience working in or with a remote team\n- Willing to work on-call for production support\n\nYou will be expected to demonstrate:\n- Strong organization and interpersonal skills\n- Excellent reasoning\n- Experience and understanding of working with regulatory or compliance functions\n\nIt is beneficial if candidates can also demonstrate:\n- Deployment of fintech/trading software and systems\n- Deployment of blockchain software (e.g. running nodes and building blockchain-connected systems)\n- Experience with distributed or peer-to-peer systems\n- Senior DBA experience (Postgresql/SQL Server/other)\n- Test management and multi-environment design\n- Team management and leadership skills\n\nRemote possible if sufficiently experienced but must be NY-area based and able to work in office as required \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to DevOps, Senior, Engineer, JavaScript, Java, Cloud, Python, Database Admin, Nginx and Linux jobs that are similar:\n\n $70,000 — $120,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n

\nWe're a primarily Linux-based operation with a mix of in-house, external and common open-source dependencies. Our internal systems are all based on a Linux / Postgresql / Redis / NGINX / NodeJS / Rust micro services stack. We also run some Java and SQL Server-based systems.\n\nWe're looking for candidates who can demonstrate excellent experience and skills and are wiling to get started designing, building and deploying Prometheum's hybrid physical/cloud infrastructure.\n\n\nRequirements:\n- 7+ years direct experience building and managing production web-facing infrastructure\n- 5+ years experience in one of C++, Java, Rust, C#, Go, server-side Javascript or Python (or some combination) as well as extensive scripting experience\n- Hands on skills in key systems deployment (network, hardware, OS, modern application stacks)\n- Hands on skills with designing, configuring and deploying network security devices\n- Excellent knowledge of modern reporting, monitoring and alerting systems\n- Excellent demonstrable working knowledge of Linux systems\n- Excellent understanding of security principles across both modern and legacy infrastructures\n- Extensive experience of physical, cloud and hybrid deployments\n- Familiar with container-based solutions, including working experience with Kubernetes and Docker\n- Familiar with Windows Server deployments & SQL Server\n- Familiar with agile and agile project management (for development and infrastructure projects)\n- An understanding of basic blockchain principles and key software and network structures\n- Experience producing and maintaining technical and systems documentation\n- Experience working in or with a remote team\n- Willing to work on-call for production support\n\nYou will be expected to demonstrate:\n- Strong organization and interpersonal skills\n- Excellent reasoning\n- Experience and understanding of working with regulatory or compliance functions\n\nIt is beneficial if candidates can also demonstrate:\n- Deployment of fintech/trading software and systems\n- Deployment of blockchain software (e.g. running nodes and building blockchain-connected systems)\n- Experience with distributed or peer-to-peer systems\n- Senior DBA experience (Postgresql/SQL Server/other)\n- Test management and multi-environment design\n- Team management and leadership skills\n\nRemote possible if sufficiently experienced but must be NY-area based and able to work in office as required \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to DevOps, Senior, Engineer, JavaScript, Java, Cloud, Python, Database Admin, Nginx and Linux jobs that are similar:\n\n $70,000 — $120,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n

\nPlatform.sh is a groundbreaking hosting and development tool for web applications. We’re a European VC-Backed startup with a host of blue-chip Enterprise clients and a string of awards and grants (including €2m from the EU Horizon 2020 program).\n\nTo reinforce our technical prowess, we are looking to grow our operations team. If you’re looking for an exciting, high-growth opportunity with an award-winning, cutting-edge company, this could be just the job for you\n\nFor its PaaS solution, https://platform.sh is looking for an Operations and Service Reliability Engineer with a taste for Python and Go, great Linux system understanding, and a real hunger for the challenges of building robust, distributed systems.\n\nPlatform.sh is a PaaS shrouded in a lot of black magic (we can consistently clone a whole running cluster, with its state, databases, indexes in a matter of seconds). We want to get this down to the hundreds of milliseconds domain. Interested? There is more...\n\nOur external API is pure Hypermedia REST + oAuth on top of Pyramid. It mechanizes the Git layer and needs more features.\n\nWe can consistently generate from the same manifest a Docker container, an LXC one, or VM disk images (AWS, Azure, OpenStack), we want more targets.\n\nWe probably have the highest industry container density. We need to get it higher.\n\nWe support any Python, Ruby, NodeJS or PHP, Java and .NET, time to roll-out Elixir, of course, Elixir (and Rust. We need Rust).\n\nWe need to have more auto-healing on the high-availability clusters. We need more performance out of our multi-protocol ssh proxy. We need work on our Ceph Implementation. We need to get the Debian package generation streamlined and faster. We need… great ideas on how to make Platform.sh even better.\n\nDirectly reporting to our VP of Infrastructure and in close interaction with our Engineering and Customer Support teams, you will be responsible for:\n\n\n* cloud operations: configure clusters, deploy stuff, follow-up on alerts, help customer support debug issues.\n\n* creating systems, tools & processes that will enhance our support and operations efficiency\n\n* improving service quality, discipline and reliability throughout lifecycle\n\n* monitoring operating objectives, streamline and automate intervention\n\n* continuous learning from Operations experience, modeled as software\n\n* supporting our data protection officer and compliance team with information requests, pen testing, disaster recovery, and related activities\n\n* executing our security incident management process\n\n* work with appropriate teams to deploy and operate security tools and solutions\n\n* ensure all systems, security applications and services in environment are securely configured and managed through operating system appropriate security platforms and tools\n\n* ensure optimal operation of all security solutions and tools\n\n* automating all of the above so they can instead drink margaritas (or non-alcoholic beverages, of course)\n\n\n\n\nMust have :\n\nThe ideal candidate:\n\n\n* has proven successful experience in an operations role\n\n* has demonstrated the ability to successfully manage cloud-based infrastructure for a fast growing organization\n\n* has experience with containerization technologies\n\n* has had exposure to cloud services (AWS)\n\n* understands how an OS works, knows networking, how git works, and the constraints of a distributed system\n\n* puppet experience\n\n* is proficient in Python (Golang a plus)\n\n* has an understanding of\n\n\n\n* Patch and Vulnerability Management process\n\n* Principle of Least Privilege\n\n* Incident response\n\n* Identity and Access Management\n\n* IPTABLES\n\n* WAFs\n\n\n\n\n\n\nNice to have :\n\n\n* knowledge of Magento Ecommerce, Symfony, Drupal, eZ Platform, or Typo3\n\n* relational database skills\n\n* public speaking experience\n\n* ability to kick ass in Chess or beat Zork without using a map\n\n* proficiency in Rust grants you bonus points\n\n* CISSP (preferred), Security+, GCED, GICSP, GCIH, SSCP, or CASP Certification or similar\n\n* audit and compliance experience\n\n* can bravely take on new challenges like a Gryffindor, analyzes problems like Ravenclaw, protects our infrastructure and client data like a Slytherin, and talks with clients like a Hufflepuff.\n\n\n\n\nNote: We don't like stress, so we build everything to be robust and resilient, but stuff does break. This is a role with on-call duties. If page-duty fills you with dread... well, this might not be a fit. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to DevOps, Engineer, Java, Cloud, Git, Python, API and Linux jobs that are similar:\n\n $70,000 — $120,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n