Head of Security | Technology Team

Concordium; Greater London; On-site; GBP 60,000 - 100,000; Full time

Job summary

An innovative company is seeking a Head of Security to lead the charge in safeguarding blockchain technology. This pivotal role involves developing comprehensive security strategies, overseeing incident response, and ensuring compliance with regulatory standards. You will work alongside talented engineers and product teams to fortify the infrastructure against emerging threats while fostering a culture of security awareness. Join a forward-thinking organization that values collaboration and offers a stimulating environment to work on cutting-edge blockchain technologies. If you are passionate about cybersecurity and eager to make a significant impact, this opportunity is for you.

Benefits

Collaborative environment

Opportunities to work on cutting-edge technologies

Intellectually challenging work culture

Competitive salary and benefits

Qualifications

• Proven experience in cybersecurity and blockchain protocols.
• Strong knowledge of security frameworks and best practices.

Responsibilities

• Develop and implement security measures for blockchain infrastructure.
• Collaborate with teams to ensure platform resilience against threats.

Skills

Cybersecurity

Blockchain Protocols

Smart Contract Security

Incident Management

Problem-Solving

Communication Skills

Leadership

Education

Degree in Computer Science

Degree in Mathematics

Tools

Security Auditing Tools

Penetration Testing Methodologies

Job description

Direct message the job poster from Concordium

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 the engineering, product, and compliance teams to ensure our platform remains resilient against security risks, vulnerabilities, and attacks.

You will also need to engage with third-party suppliers and partners, such as exchanges, wallets, software houses, and projects that work closely with the blockchain protocol, to assess and advise from a security point of view.

Responsibilities:

• 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 real-time monitoring, detection, and response frameworks to mitigate security threats and vulnerabilities.
• Smart Contract Security: Collaborate with developers to ensure best practices in smart contract design, conduct audits, and establish formal verification processes.
• Compliance & Regulatory Security: Ensure adherence to relevant regulatory, compliance, and security standards.
• Security Audits & Penetration Testing: Manage internal and external audits, penetration testing, and continuous security assessments.
• Blockchain & Web3 Security Trends: Stay updated with the latest security threats, attack vectors, and solutions in the blockchain industry.
• Incident Management & Crisis Response: Develop and oversee a structured approach for incident response, including forensic investigation and post-mortem analysis.
• Collaboration: Build strong relations with engineers and heads, fostering a culture of security-first principles within the company.

Minimum Qualifications:

• Proven experience in cybersecurity.
• Deep understanding of blockchain protocols, consensus mechanisms, cryptographic principles, and smart contract security.
• Experience in handling security incidents, vulnerabilities, and attacks on networks.
• Strong knowledge of cybersecurity frameworks, encryption standards, and best practices.
• Familiarity with security auditing tools and penetration testing methodologies for networks.
• Ability to work in a fast-paced, highly technical environment and make critical security decisions.
• Excellent problem-solving and communication skills.
• Experience managing security teams and working cross-functionally with engineering.

Good to have:

• Experience with Ethereum, Bitcoin, Solana, or other Level 1 blockchain networks.
• Knowledge of zero-knowledge proofs (ZKPs), and other advanced blockchain security concerns.
• Certifications such as CISSP, CEH, OSCP, or blockchain security certifications.
• Experience working with decentralized finance (DeFi) protocols, DAOs, or Web3 applications.
• Task-oriented with a focus on delivering high-quality outcomes.
• Strong problem-solving skills and ability to work in cross-functional teams.
• Excellent communication skills, with the ability to clearly articulate security risks, strategies, and best practices to technical and non-technical stakeholders.
• Strong leadership and interpersonal skills to foster collaboration between security teams, developers, and business stakeholders.
• Ability to effectively convey complex security concepts concisely and understandably.
• A proactive and team-oriented mindset, fostering a culture of security awareness and collaboration across the organization.

Candidates should possess a degree in Computer Science, Mathematics, or a related field.

What We Offer:

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

Concordium is a public blockchain platform designed for security, privacy, and scalability. It offers a unique identity layer at protocol level to ensure verified and private user interactions enabled via zero-knowledge proof technology. Enterprises & Developers can leverage Concordium’s fast and affordable transactions, along with its robust programmable money capabilities, to build innovative decentralized applications, while ensuring accountability and compliance as required by new regulatory frameworks.