Senior Technical Support Engineer

The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks’ platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world, including BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands more.

Senior Technical Support Engineer

Location: Tel-Aviv, Israel

Fireblocks is transforming the way businesses interact with digital assets. As adoption of blockchain technology accelerates across industries, our platform and secure network have become essential infrastructure for banks, financial institutions, and Web3 innovators. Clients such as BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands more rely on Fireblocks to securely move and manage digital assets at scale.

We are seeking an experienced and customer-focused Senior Technical Support Engineer to work on our most complex and high-priority cases. Senior Team members specialize in handling escalations from the Frontline Support Team, resolving technically challenging issues, and collaborating across departments to deliver the highest standard of service to our customers.

Key Responsibilities

• Investigate and resolve complex technical issues escalated from the Support Team.
• Collaborate with Engineering, Product, DevOps, and Site Reliability teams to troubleshoot and resolve advanced cases efficiently.
• Provide real-time assistance via Slack, Google Meet, and ticketing systems for urgent or technically demanding matters.
• Participate in critical incident response, including emergency troubleshooting sessions and post-incident reviews to identify improvements.
• Maintain thorough case documentation, including root cause analysis, resolution steps, and preventive recommendations.
• Contribute to internal knowledge base articles, troubleshooting guides, and support tooling improvements.
• Mentor Support Engineers to strengthen overall team troubleshooting skills and technical depth.
• Work is Monday til Friday
• This role supports teams across EMEA and Israel
  
  

• 4 years of experience in Technical Support, Customer Success Engineering, or a similar technical troubleshooting role.
• Proven expertise in debugging APIs, system integrations, and cloud environments.
• Hands-on experience with tools such as Coralogix, DataDog, OpenSearch, and database query tools.
• Familiarity with scripting languages (e.g., Python, JavaScript, Bash) and SQL.
• Strong communication skills, with the ability to clearly explain complex technical concepts to both technical and non-technical audiences.
• Ability to manage multiple complex cases simultaneously while maintaining exceptional attention to detail.
• Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience.
  
  

• Experience supporting digital asset platforms, blockchain technologies, or cryptographic systems.
• Understanding of key blockchain concepts, such as public key cryptography, smart contracts, and consensus protocols.
• Experience in enterprise environments, especially in regulated industries such as financial services or compliance.