Reliability Engineer

About D3:  D3 is building the world’s first purpose-built blockchain for DomainFi—bringing domain tokenization and DeFi primitives to a massive, rapidly growing $350B+ real-world asset class. We’re revolutionizing how existing and future domain names are owned, traded, and leveraged in the digital economy. Our elite team is stacked with industry veterans who have spent the last three decades shaping the internet, from pioneering domain name monetization to architecting key internet protocols to launching and running major TLDs like .xyz, .inc, .tv, and .link. With a proven track record of innovation and success, we’re now redefining what’s possible in the domain space. We recently closed a $25M Series A led by Paradigm - one of the best investors in the industry. This will help fuel our mission to bring domains fully on-chain and unlock new financial possibilities for one of the internet’s most valuable asset classes. We’re based in Los Angeles, with team members all over the world. We’re looking for driven, talented builders to help build a trillion-dollar DomainFi economy. Join us! Job Overview: We are seeking a highly skilled and motivated Site Reliability Engineer (SRE) with strong DevOps expertise to join our team. In this role, you will be responsible for maintaining the reliability, performance, and security of our systems and infrastructure. You will work closely with Development and Product teams to ensure high system uptime and support the business’s growth by proactively identifying and solving operational challenges. This role requires a hands-on, detail-oriented engineer who is comfortable troubleshooting complex issues and implementing robust solutions. You must also be willing to provide on-call support up to 12 hours per day until additional team members are hired. Key Responsibilities: 

Maintain, troubleshoot, and optimize Kubernetes environments using HELM and kubectl.  Perform system-level troubleshooting and administration on Linux-based systems.  Manage and troubleshoot networking, DNS, routing, and VPN configurations.  Configure and manage firewall rules across cloud and on-premises environments.  Debug and resolve infrastructure and application issues with strong analytical skills.  Monitor system performance and reliability by implementing and managing monitoring solutions.  Identify and address database performance issues, including query optimization and caching improvements.  Continuously improve security procedures to prevent downtime and data loss.  Collaborate closely with Development and Product teams to support system scalability and uptime. 

Qualifications: 

3+ years of experience as a SRE or DevOps Engineer.  3+ years of experience with Kubernetes (and tools like HELM, kubctl, etc.) Experience with Linux administration and troubleshooting Bachelor's degree in Computer Science, Engineering, or related field (or equivalent practical experience)

Preferred Qualities: 

Exceptional attention to detail, especially in system configurations and deployment processes.  Willingness to dig into a sometimes poorly defined problem to fully understand.  Ability to propose solutions and implement those solutions in order to move the business forward.  Work with Development and Product to ensure high uptime. 

  Why D3, Why Now?  Ground-Floor Growth, Learning, and Impact: D3 is your chance to dive headfirst into an ultra-early-stage company where every move you make truly matters. You’ll have the opportunity to sharpen your skills, expand your expertise, and shape the foundation of something groundbreaking. Almost everything we’re building today at D3 is “zero-to-one,” meaning you’ll be among the first to craft, refine, and launch key initiatives that define our future success. Strong, Proven Leadership: At D3, you’ll work alongside industry visionaries who have been there, done that, and are ready to do it again—only bigger. Our leadership team brings veteran industry experience, sharp insights, and a relentless drive to do big things across every function at D3. You’ll gain invaluable mentorship, develop a high-impact mindset, and be challenged to grow in ways you never imagined. Unique Market Positioning – We’re pioneering at the intersection of internet infrastructure, real-world assets, and blockchain communities, creating solutions that redefine what’s possible in Web3. If you want to push boundaries, solve complex problems, and be part of a team that’s shaping the future of the Internet, D3 is the place to do it.