Senior DevSecOps Engineer

DevSecOps Engineer
Remote | Preferred within ±2 hours of UTC+0

A leading blockchain infrastructure company is seeking a DevSecOps Engineer to join its globally distributed team. With a strong presence in Berlin, London, and Lisbon, the company has been at the forefront of blockchain innovation—developing key infrastructure for Ethereum, Bitcoin, and Zcash, and pioneering next-generation protocols including Substrate and Polkadot.

This is a unique opportunity to contribute to the security of cutting-edge decentralized technologies, while collaborating with a highly experienced and technically deep team.

Role Overview

This position plays a critical role in securing infrastructure, pipelines, and cloud systems across the organization. The successful candidate will work closely with infrastructure, release engineering, and IT teams, embedding security into systems and processes while balancing practical implementation with a risk-based mindset.

Key Responsibilities

• Advise infrastructure and IT teams on security best practices, using a pragmatic, risk-based approach

• Automate security controls and enhance developer and IaC processes (CI/CD, build, test, release)

• Strengthen supply chain security and monitor relevant metrics and audits

• Harden network infrastructure, VMs, containers, and address cloud misconfigurations

• Manage endpoint security, IAM, SIEM, threat intelligence, and common infrastructure misconfigurations

• Plan and conduct penetration testing, including coordination with third parties

• Select tools and methodologies to continuously improve the organization's security posture (open-source preferred)

• Define and implement organization-wide security guidelines and automation

• Mentor teammates on security and infrastructure engineering best practices

Requirements

• Outcome-driven approach with strong execution skills

• Proven ability to work cross-functionally with diverse engineering and IT teams

• Expertise in Linux-based environments (VMs, SSH, VPNs, firewalls)

• Hands-on experience with Kubernetes (including managed services), Terraform, Ansible, GitHub/GitLab, ArgoCD, and image registries

• Familiarity with cloud environments, especially Google Cloud and other non-managed providers

• Preferred: Understanding of blockchain infrastructure (wallets, key management, RPC nodes, indexers, etc.)

Offer & Benefits

• Competitive compensation packages, including tokens (where legally permitted)

• Remote-first setup with flexible working hours

• Opportunity to work on meaningful, high-impact projects in the Web3 space

• Access to industry leaders and ongoing professional development

• Company/team retreats and learning budgets

• Equipment provided (laptop, etc.)

• Benefits available in specific regions (Germany, Portugal, Switzerland, UK), including healthcare, 28 days PTO, parental leave, language classes, and more