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Senior Linux Platform & Blockchain Operations Engineer

We are looking for a Senior Linux Engineer with strong Linux, automation, monitoring, and blockchain node operations experience.

Permanent, Freelance

Remote, Hybrid

Bratislava- hybrid OR Slovakia/Hungary- remote

4,500 - 5,500 € TPP / up to 400 € MD

Anna Sedláková

Senior IT Recruiting Consultant

+421 948 606 922

anna.sedlakova@successfirst.eu

About the company

We are a Switzerland-based crypto-native financial services provider specializing in digital asset investments and blockchain technology. The company offers a range of services, including brokerage, custody, staking, and other crypto-related solutions, operating across major cryptocurrency exchanges and focusing on technical innovation. It has contributed to the development of the Swiss crypto and blockchain ecosystem and serves high-net-worth private individuals and institutional clients. The company is headquartered in Switzerland and has offices across Europe, including Slovakia.

JOB DESCRIPTION

We are hiring a Senior Linux Platform and Blockchain Operations Engineer to support, enhance, and continuously improve Linux-based infrastructure used for blockchain-related workloads. We welcome applications from candidates who have strong Linux fundamentals, operational discipline, and adaptability required in the dynamic environment of blockchain and crypto platform development. We also require a strong learning mindset and a proactive approach to ownership and continuous improvement.

 

You will have the following responsibilities:

  • Operate, monitor, maintain, and continuously improve Linux-based infrastructure supporting blockchain and related platform services
  • Deploy, configure, upgrade, and troubleshoot blockchain nodes and supporting platform components across multiple environments
  • Ensure service availability, reliability, scalability, and performance through proactive monitoring, alert management, and capacity planning
  • Drive automation of operational tasks, deployments, and recurring maintenance activities
  • Implement and continuously enhance observability solutions and operational visibility
  • Collaborate closely with platform, security, networking, and engineering teams to deliver resilient and secure services
  • Execute routine maintenance activities and contribute to operational excellence initiatives
  • Follow and improve operational procedures, runbooks, and change management processes
  • Support access management, security controls, and compliance-related operational activities in accordance with internal policies and standards
  • Participate in on-call rotations and contribute to incident response and service restoration activities

Requirements

  • Extensive Linux fundamentals and proven experience with cloud-based Linux operations
  • Experience operating and supporting Linux services in production environments
  • Exposure to blockchain node operations (deployment, synchronization, upgrades, and monitoring)
  • Strong troubleshooting skills for incidents, performance bottlenecks, and service degradation
  • Scripting and automation experience in at least one language (Bash, Python, or equivalent)
  • Proficiency with source code management systems and Infrastructure as Code practices
  • Hands-on experience with observability tooling (Prometheus, Grafana)
  • Solid understanding of networking and security fundamentals (SSH, access controls, patching, and firewall concepts)
  • Ability to document operational activities, incidents, changes, and lessons learned in a clear and structured manner
  • Strong communication skills and effective collaboration across operations, platform, engineering, and security teams
  • A proactive mindset with a focus on reliability, automation, and continuous improvement

Nice-to-Have:

  • Experience operating infrastructure in cloud and managed service environments
  • Participation in incident response, root cause analysis, post-incident reviews, and reliability improvement initiatives
  • Understanding of compliance-oriented operations (change evidence, access review support, audit readiness)
  • Proficiency in container orchestration platforms (Kubernetes)

 

BENEFITS

  • Expertise: Work with crypto native experts
  • Culture: Positive and supportive team culture that relies on common goals, ambitions and values 
  • Activities: Regular team events and activities 
  • Ownership: High level of autonomy and responsibility 
  • Fitness: Multisport Card
  • Location: Office location in the new Bratislava downtown
  • Home Office
  • Workation: Enjoy the flexibility of working across designated EU countries, with up to 20 days a year to combine work and travel
Last update: 1.10.2026

I am interested in the offer.