[EU] Lead Security Engineer

Bybit; Wien; On-site; EUR 75,000 - 110,000; Full time

Job summary

Bybit is seeking a hands-on Senior Security Specialist to lead and oversee key security initiatives. You will strengthen our security posture, drive certifications, and ensure robust access governance—working closely with the CISO to protect infrastructure and data assets.

Key areas include IAM, network security, security reporting, audit support, and compliance. You will coordinate certification efforts (PCI DSS, ISO 27001) and manage security projects with a global team in a fast-moving

Qualifications

• Bachelor's degree or above in Computer Science, IT, Cybersecurity, or related field.
• 3–5 years of hands-on information security experience.
• Proven track record in security project implementation and management.
• Experience in IAM, network security, or compliance programs.
• Certifications would be a strong plus (e.g. CISSP, CISM, CISA).
• IAM-related certifications (e.g. Microsoft Identity, SailPoint, Okta).

Responsibilities

• Design, implement, and maintain IAM frameworks and policies.
• Oversee access rights management, provisioning and reviews.
• Lead MFA rollout across systems and users.
• Ensure least-privilege principles are applied and audited.
• Oversee network security controls and threat detection.
• Coordinate security reporting, audits and remediation.
• Drive security certifications (PCI DSS, ISO 27001) with CISO.

Skills

IAM principles

Network security

Regulatory frameworks

Analytical skills

Communication skills

Stakeholder management

German & English working language

Education

Bachelor's degree or above in Computer Science/IT/Cybersecurity

Tools

Microsoft Identity

SailPoint

Okta

PCI DSS QSA/ISA certification

Job description

Established in 2018, Bybit is one of the world’s leading cryptocurrency exchanges and digital financial platforms, serving over 80 million users across more than 200 countries and regions. Powered by world-class technology and a user-first mindset, Bybit delivers a seamless ecosystem across trading, payments, wealth management, custody, institutional services, and Web3 — connecting users to the future of digital finance.

Our core values define how we build. We listen, care and improve to create products and experiences that put users first. Backed by a global team of ambitious builders, problem-solvers, and innovators, we foster a high-performance and fast-moving environment where talent is empowered to drive real impact at the global scale. Supported by 24/7 multilingual customer service and a strong commitment to innovation, we are shaping the future of finance through technology, collaboration, and bold execution.

Today, Bybit is recognized as one of the most trusted and transparent platforms in the digital asset industry, continuing to expand its global presence while building the infrastructure for the next generation of financial services.

We are looking for a hands‑on Senior Security Specialist to lead and oversee key security initiatives across the organization. You will play a central role in strengthening our security posture, driving compliance certifications, and ensuring robust access governance — working closely with the CISO to protect our infrastructure and data assets.

Key Responsibilities

Identity & Access Management (IAM)

• Design, implement, and maintain IAM frameworks, policies, and processes across the organization
• Oversee access rights management, including provisioning, de-provisioning, and periodic access reviews
• Lead the rollout and enforcement of Multi-Factor Authentication (MFA) across all systems and user groups
• Ensure least-privilege principles are consistently applied and audited

Network Security

• Oversee the implementation and continuous improvement of network security controls
• Monitor, detect, and respond to security threats and vulnerabilities across the network infrastructure

Security Reporting & Audit

• Generate regular security reports and dashboards for the CISO and senior management
• Support internal and external audit processes, ensuring timely and accurate documentation
• Coordinate and oversee penetration testing engagements, track findings, and drive remediation

Compliance & Certification

• Lead and coordinate security certification processes (e.g. PCI DSS, ISO 27001) in close collaboration with the CISO
• Conduct gap analyses, maintain compliance documentation, and liaise with auditors and certification bodies

Requirements

• Bachelor's degree or above in Computer Science, Information Technology, Cybersecurity, or a related field
• 3–5 years of hands‑on experience in information security
• Proven track record in security project implementation and management
• Demonstrated experience in IAM, network security, or compliance programs
• Certifications would be a strong plus
• CISSP, CISM, CISA, or equivalent
• PCI DSS QSA or ISA certification
• IAM‑related certifications (e.g. Microsoft Identity, SailPoint, Okta)

Skills

• Solid understanding of IAM principles, network security, and regulatory frameworks
• Strong analytical and independent problem‑solving abilities
• Excellent communication and stakeholder management skills
• Ability to manage multiple priorities in a fast‑paced environment
• Can use German and English as working language

Why Join Us

• Study Growth Fund: We support your professional development and continuous learning.
• Internal Events: Participate in regular team‑building activities, workshops, and events designed to promote collaboration and innovation.
• Global Collaboration: Be part of a diverse, international team, working alongside colleagues from around the world.
• Career Advancement: Access opportunities for growth and advancement within a rapidly expanding global company.
• Internal Mobility: Grow with us- Your long-term development is important to us. We offer internal job opportunities to help build your career path.