We're partnering with a well-established player in the financial services sector to find an experienced Group Head of Security to lead and shape their security function.
Designing and building security frameworks aligned with ISO 27001, NIST CSF, CIS Controls, and SOC 2, while ensuring ongoing compliance with DORA, EBA Guidelines, and ISO 27001
Setting up the governance structure for information security, including policies and risk management processes
Defining and tracking security metrics and KPIs, reporting findings to executive leadership
Architecting secure network segmentation and perimeter defenses to protect critical infrastructure
Partnering with engineering teams to embed security into the SDLC, integrating automated checks (SAST, DAST, SCA, container scanning, and other application security tooling) into CI/CD pipelines
Running penetration tests and API security assessments using tools like Kali Linux, Metasploit, and Burp Suite
Offering practical, hands-on remediation support that developers can act on directly
At least two of the following certifications: an offensive security credential (OSCP, OSCE, GPEN, or CEH), a security management credential (CISSP or CISM), a cloud security credential (CCSP, AWS Security Specialty, or Azure Security Engineer), or CISA
8+ years working in information security, including 3+ years in a leadership capacity
Essential: background in a regulated financial environment — banking, brokerage, payments, or fintech
Direct experience conducting penetration tests and vulnerability assessments
A development or DevOps foundation, with real coding experience
A track record of rolling out DevSecOps practices and automating security processes
Exposure to regulatory audits and compliance reviews
Comfortable with offensive security tools such as Kali Linux, Metasploit, Burp Suite, Nmap, Wireshark, and SQLMap
Strong Python skills (preferred), or solid proficiency in another programming language
Confident scripting in Bash, Zsh, and PowerShell
A pragmatic approach to security — balancing protection with business needs
Natural collaborator who earns the trust of engineering teams
Skilled at communicating technical risk in terms business stakeholders understand
Background working with trading platforms, payment systems, or financial infrastructure
Understanding of security considerations around AI, ML, or LLMs
Familiarity with MT5, trading APIs, or payment processing systems
A permanent position within a fast-scaling, international organization
Competitive compensation and benefits package
Hybrid working model
A collaborative, supportive team culture
Strong long-term growth and development prospects

OneJar is a premier provider of human capital solutions — your integrated HR partner and one-stop destination for all workforce operations.
We organize the chaos, remove hidden costs, and ensure senior management focuses on the right things.