About the Role

Drive operational security excellence through proactive monitoring, rapid incident response, and continuous improvement of security controls. This role demands deep expertise in security operations, combining hands-on technical capability with the ability to maintain and optimise Quantium's security platforms and processes.

Key Responsibilities

• Security Platform Ownership: End-to-end responsibility for critical security platforms including SIEM, EDR, vulnerability management, and identity systems

• Detection and Response: Real-time monitoring of security systems and applications, investigating anomalies, triaging alerts, and coordinating incident response

• Incident Management: Lead security incident investigations, perform forensics analysis, and coordinate remediation efforts with IT and business stakeholders

• Vulnerability Management: Conduct regular vulnerability assessments, prioritise remediation based on risk, and track resolution with system owners

• Security Operations: Maintain security tooling, update detection rules, manage security configurations, and ensure platform availability

• Compliance Support: Execute security controls testing, maintain evidence for audits, and support regulatory compliance initiatives

• Risk Assessment: Independently assess and document security risks, providing pragmatic remediation recommendations

• Improve security posture: design, build and operate security related systems

• Day-to-day operational tasks and ticket management involving all of Quantium's security technologies

• Maintain security runbooks and operational documentation

• Provide on-call support for critical security incidents

• Drive automation of repetitive operational tasks where feasible

• Support security awareness training and phishing simulations

• Show strong ownership of security issues and work to resolve and escalate where needed

Experience, Education & Skills

• Five years of experience in security operations or cybersecurity

• Deep expertise in at least 2 operational domains (SOC, incident response, vulnerability management, identity management, forensics)

• Hands-on experience with security platforms (SIEM, EDR, SOAR, vulnerability scanners)

• Strong incident response and investigation skills

• Experience with log analysis and threat hunting

• Understanding of network security, firewalls, and infrastructure hardening

• Track record of owning operational outcomes end-to-end

• Experience translating technical risks into business language

• Ability to work under pressure during security incidents

• Strong documentation and communication skills

The Following Skills and Experience Would Be an Advantage:

• Security certifications (GCIH, OCSP, CISSP)

• Experience with Microsoft Sentinel, CrowdStrike, or similar enterprise platforms

• Knowledge of compliance frameworks (ISO 27001, NIST CSF, Essential 8)

• Scripting skills for automation (PowerShell, Python, Bash)

• Experience with cloud security monitoring (Azure, AWS, GCP)

• Basic forensics and malware analysis capabilities

What Does Success Look Like?

• Drive measurable security risk reduction

• Proactive identification of issues and continuous improvement of security capabilities

• Help build a strong security culture

• Ensure operational excellence

Key People and Leadership Capabilities

1. Operational Excellence - you maintain high standards for security operations and platform reliability

2. Analytical Mindset - you systematically investigate issues and identify root causes

3. Calm Under Pressure - you effectively manage high-stress incident situations

4. Detail Oriented - you ensure nothing falls through the cracks in security monitoring

5. Collaborative - you work effectively with IT, infrastructure, and business teams during incidents

6. Achieve and perform - you have exceptional execution skills and are achievement focused.

7. Purposeful and aligned - you can set clear, tangible objectives which deliver against your performance objectives.

8. Achievement oriented - you effectively facilitate challenging performance related conversations in a timely and appropriate manner.