ChainLabo is a newly-born, dynamic and innovative company operating at the forefront of blockchain services, specializing in staking services and bare metal validators maintenance. Our starting goal emerged from the need to provide a non-custodial, bare-metal staking service hosted in Swiss data centers (DC). The company’s mission is to ensure the highest levels of security and contribute to the decentralization of blockchain protocols. We also became a verified operator on the SSV Network and SafeStake (currently in testnet) and we are also an operator on Eigenlayer.

As the Senior DevOps Engineer at ChainLabo, you will work closely with the CTO to support us in enhancing our infrastructure with a focus on security, automation, and monitoring. The ideal candidate will bring experience in managing scalable and secure environments, in driving improvements in efficiency through automation and will have the opportunity to explore new blockchain protocols, run testnets, and develop robust infrastructure to support them.

Key Responsibilities:

• Creating, overseeing, and organizing the maintenance of our hosted systems.
• Develop and support tools for automating processes, rolling out updates, tracking performance, and managing operations.
• Oversee and sustain blockchain systems and nodes to guarantee peak efficiency.
• Diagnose and fix problems related to infrastructure and network systems.
• Perform regular on-call shifts and handle emergency situations.
• Deploy and supervise safeguards to secure confidential information.
• Keep informed and enhance security protocols for peer-to-peer networking.
• Develop, update, and share risk evaluations and threat models for all the systems we manage.
• Collaborate with Sales and Business Development on customer-focused projects.
• Preserving both internal and external documentation, as necessary.

Required Competencies:

• 3-5 years of experience in infrastructure or engineering, along with at least 2+ years in a DevOps position
• Genuine interest in crypto
• Strong experience in managing and configuring Debian-based Linux systems
• Practical knowledge of Raspberry Pi
• Proficiency in configuring and maintaining OPNsense Firewall and knowledge of cybersecurity best practices
• Solid background in Docker
• Experience in deploying and managing lightweight Kubernetes (K3s)
• Expertise in developing and maintaining code using Golang
• Knowledge of Ruby-based applications, particularly using Ruby on Rails and deployment tools like Kamal
• Experience with PostgreSQL for managing and optimizing databases
• Familiarity with Grafana and Prometheus for system monitoring and visualization
• Hands-on experience with Terraform, Packer, Ansible, and Molecule for infrastructure automation and orchestration
• Familiarity with GitHub and GitHub Actions for version control and CI/CD pipelines.
• Experience managing blockchain nodes with Eth-Docker, Geth, Nimbus, Nethermind, Lighthouse, and Web3Signer
• An understanding of the SSV protocol for decentralized staking
• Proficiency in English

What We Offer:

• Competitive salary
• Be part of an innovative and dynamic project in one of the most cutting-edge markets today
• Gain valuable experience and grow within the blockchain industry
• Work in a supportive and transparent environment
• Actively contribute to spreading a new and forward-thinking company culture

Join us at ChainLabo and help shape the future of blockchain staking services!

About us:

We’re a forward-thinking team of seasoned professionals committed to pioneering the development of the next generation of Web3 infrastructure and tooling products.

With a strategic blend of expertise in cryptography, blockchain, fintech, telecommunications, and cybersecurity, we’re committed to driving innovation and setting new standards in the vibrant Web3 space.

We’re a globally distributed team of 60+ dedicated members coming from diverse cultures and backgrounds, united by a shared purpose and mission of shaping the world as a slightly more autonomous, gentler place.

What we do:

We’re the team behind Presto, a robust platform for seamless deployment and management of zkEVM and optimistic rollups, abstracting away complexity for sustainable mainstream blockchain adoption. In addition, our reliable Stakeway infrastructure and deep expertise - secures $1B of digital assets, helping unlock non-custodial staking opportunities for institutional players.

Join us on our mission!

We’re seeking an experienced Blockchain Platform Engineer to join our Presto team and help actively develop our cutting-edge platform product for seamless roll-up deployment and management. In addition to honing your engineering skills (70% coding, 30% DevOps), in this role, you will have the opportunity to learn and excel at the inner workings of different L2 stacks, including Polygon, Optimism, Arbitrum, and more!

Roles and Responsibilities:

• Drive the development (Python, Django) and optimization of the ever-evolving Presto product platform, ensuring pristine performance and customer experience
• Take an active part in contributing to the overall product architecture and propose new functionalities to support innovation at scale
• Deploy smart contracts and devise automation solutions for complex deployment scenarios and utility tasks
• Participate in code reviews and improve code quality by refactoring and increasing test coverage
• Build containerized solutions running in AWS / on bare metal servers, orchestrated by HashiCorp Nomad
• Monitor and upgrade existing rollups to the latest versions
• Participate in (additionally compensated) on-call procedures

Requirements and needed skills:

• Mandatory knowledge of blockchain and smart contract concepts both at the theoretical and code level
• Backend proficiency with Python, Django, REST API, and Celery
• Demonstrated “automate first” mindset with a track record of development/deployment optimization
• Experience designing and deploying containerized applications running in Nomad/Consul cluster; experience working with Docker and cluster management tools
• Experience utilizing monitoring solutions, such as: creating and managing Grafana dashboards, advanced set-up and configuration of Prometheus, etc.
• Excellent verbal and written communication skills, with the ability to transfer knowledge in a seemless and engaging manner

Nice to have:

• Active involvement and contributions to open-source developer communities
• DevOps experience and knowledge of AWS, Terraform, Terragrunt, and Ansible
• Experience developing blockchain platforms and a good understanding of cloud/bare metal infrastructure
• Experience working in fast-paced, remote-first startup environments

What we offer:

• Competitive salary and performance-based bonus structure
• High degree of autonomy and opportunity for long-term career growth
• Close collaboration with the teams working on fundamental research and cutting-edge innovation products in Ethereum scaling and broader blockchain technology
• Fully remote and flexible working hours