Head of Security | Technology Team

JR United Kingdom; London; On-site; GBP 80,000 - 120,000; Full time

Job summary

An innovative firm is seeking a Head of Security to lead efforts in safeguarding blockchain infrastructure. This role involves developing security strategies, overseeing protocol security, and ensuring compliance with industry standards. As part of a dynamic technology team, you will engage with partners and manage security incidents, all while fostering a culture of security awareness. Join a collaborative environment that focuses on cutting-edge blockchain technology and offers competitive benefits. If you are passionate about cybersecurity and blockchain, this opportunity is perfect for you.

Benefits

Collaborative Environment

Cutting-edge Technology

Competitive Salary

Challenging Work Culture

Qualifications

• Proven experience in cybersecurity and blockchain protocols.
• Deep understanding of cryptography and smart contract security.

Responsibilities

• Develop and execute a comprehensive security strategy for blockchain.
• Design and implement monitoring and incident response frameworks.

Skills

Cybersecurity

Blockchain Protocols

Cryptography

Smart Contract Security

Incident Management

Problem-Solving

Communication Skills

Education

Degree in Computer Science

Degree in Mathematics

Tools

Security Auditing Tools

Penetration Testing Tools

Job description

Social network you want to login/join with:

Head of Security | Technology Team, London

Client:

Concordium

Location:

London, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

Job Views:

3

Posted:

08.05.2025

Expiry Date:

22.06.2025

Job Description:

Join Concordium – Shaping the Future of Blockchain Security!

At Concordium, we are at the forefront of blockchain innovation, creating a digital future that prioritizes compliance, cost-efficiency, transparency, and accountability.

We are looking for a Head of Security to join our Technology Team!

About the Role

As the Head of Security, you will develop, implement, and maintain security measures to protect the blockchain infrastructure, smart contracts, and organization from emerging threats. You will work closely with engineering, product, and compliance teams to ensure resilience against security risks, vulnerabilities, and attacks.

You will also engage with third-party suppliers and partners, such as exchanges, wallets, software houses, and projects, to assess and advise from a security perspective.

• Security Strategy & Leadership: Develop and execute a comprehensive security strategy for our blockchain network, infrastructure, and applications.
• Protocol & Network Security: Oversee and enhance security for consensus mechanisms, cryptographic algorithms, and network integrity.
• Threat Detection & Incident Response: Design and implement monitoring, detection, and response frameworks to mitigate threats.
• Smart Contract Security: Collaborate with developers to ensure best practices, conduct audits, and establish formal verification processes.
• Compliance & Regulatory Security: Ensure adherence to relevant standards.
• Security Audits & Penetration Testing: Manage audits, testing, and assessments.
• Blockchain & Web3 Security Trends: Stay updated with industry security threats and solutions.
• Incident Management & Crisis Response: Develop structured incident response strategies.
• Collaboration: Foster security-first culture within the company.

Requirements:

• Proven experience in cybersecurity.
• Deep understanding of blockchain protocols, cryptography, and smart contract security.
• Experience handling security incidents and vulnerabilities.
• Knowledge of cybersecurity frameworks, encryption standards, and best practices.
• Familiarity with security auditing tools and penetration testing.
• Ability to work in a fast-paced, technical environment and make critical decisions.
• Excellent problem-solving and communication skills.
• Experience managing security teams and cross-functional collaboration.

Good to have:

• Experience with Ethereum, Bitcoin, Solana, or other Level 1 blockchains.
• Knowledge of ZKPs and advanced blockchain security issues.
• Certifications such as CISSP, CEH, OSCP, or similar.
• Experience with DeFi protocols, DAOs, or Web3 applications.

Personal Qualities:

• Task-oriented with focus on quality outcomes.
• Strong problem-solving and team collaboration skills.
• Excellent communication to both technical and non-technical stakeholders.
• Leadership qualities to foster a security-aware culture.

Education:

Degree in Computer Science, Mathematics, or related field.

We Offer:

• A collaborative environment with skilled developers and researchers.
• Opportunities to work on cutting-edge blockchain tech.
• A stimulating, challenging work culture.
• Competitive salary and benefits.

Concordium is a blockchain platform focused on security, privacy, and scalability, leveraging zero-knowledge proofs for verified, private interactions. It enables enterprises and developers to build decentralized applications with accountability and compliance.

#BlockchainJobs #CybersecurityJobs #TechJobs #Blockchain #Web3 #CryptoSecurity #SmartContracts #DeFi #ZeroKnowledgeProofs