Threat Detection Engineer

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Principal Responsibilities

  • Threat Hunting – The ability to leverage multiple data sources to identify modern evolving threats and develop new detection and response approaches.
  • Detection Engineering – Creation and operation of high-fidelity detections mechanisms that drive efficient, effective and repeatable response.
  • Playbook Creation – Own, operate and automate detection and response workflows, that enable the team to focus on strategic objectives.
  • Lead Information Security response activities for the firm.
  • Team Player – Ability to work across business and technology teams to deliver positive outcomes across the firm.
  • Technical Prowess – Comfortable explaining complex technology and information security related concepts to a wide range of stakeholders.
  • Security Ambassador – Enforce security policies and procedures by administering and monitoring appropriate systems, events and answering stakeholder queries.
  • Threat Intel – Actively monitor new and emerging security and privacy related technologies, trends, issues, and solutions and assess their applicability to Millennium key business initiatives and business strategies.
  • Operational Excellence – Ensure Millennium Information Security capabilities remain fit for purpose and evolve to meet the changing threat landscape.

Qualifications/Skills Required

  • Bachelor or master’s degree in computer science or cyber security with strong IT background or equivalent demonstrable experience.
  • 3 years’ experience working in a security engineering role, financial industry experience preferred.
  • Experience in creating detections in modern query languages (KQL, SQL, SPL).
  • Possesses security certifications (Security+, OSCP, CISSP, CEH, GCIA, GCIH).
  • Experience with modern security tooling across security domains; network, endpoint, data, identity and cloud.
  • Experience in standard enterprise technology stack, Active Directory, Entra, Group Policy, Intune, DNS, TCP/IP, PKI, Microsoft 365, Windows, Linux, MacOS, etc.
  • Ability to handle sensitive and/or confidential materials with appropriate discretion.
  • Required scripting, development and automation skills using PowerShell or Python and proficient development tools.
  • Experience in OSINT, Threat hunting and analysing malicious emails.
  • Able to prioritize in a fast moving, high pressure, constantly changing environment

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Company: Millennium
Apply for the Threat Detection Engineer
Location: London
Job Description:

Principal Responsibilities

  • Threat Hunting – The ability to leverage multiple data sources to identify modern evolving threats and develop new detection and response approaches.
  • Detection Engineering – Creation and operation of high-fidelity detections mechanisms that drive efficient, effective and repeatable response.
  • Playbook Creation – Own, operate and automate detection and response workflows, that enable the team to focus on strategic objectives.
  • Lead Information Security response activities for the firm.
  • Team Player – Ability to work across business and technology teams to deliver positive outcomes across the firm.
  • Technical Prowess – Comfortable explaining complex technology and information security related concepts to a wide range of stakeholders.
  • Security Ambassador – Enforce security policies and procedures by administering and monitoring appropriate systems, events and answering stakeholder queries.
  • Threat Intel – Actively monitor new and emerging security and privacy related technologies, trends, issues, and solutions and assess their applicability to Millennium key business initiatives and business strategies.
  • Operational Excellence – Ensure Millennium Information Security capabilities remain fit for purpose and evolve to meet the changing threat landscape.

Qualifications/Skills Required

  • Bachelor or master’s degree in computer science or cyber security with strong IT background or equivalent demonstrable experience.
  • 3 years’ experience working in a security engineering role, financial industry experience preferred.
  • Experience in creating detections in modern query languages (KQL, SQL, SPL).
  • Possesses security certifications (Security+, OSCP, CISSP, CEH, GCIA, GCIH).
  • Experience with modern security tooling across security domains; network, endpoint, data, identity and cloud.
  • Experience in standard enterprise technology stack, Active Directory, Entra, Group Policy, Intune, DNS, TCP/IP, PKI, Microsoft 365, Windows, Linux, MacOS, etc.
  • Ability to handle sensitive and/or confidential materials with appropriate discretion.
  • Required scripting, development and automation skills using PowerShell or Python and proficient development tools.
  • Experience in OSINT, Threat hunting and analysing malicious emails.
  • Able to prioritize in a fast moving, high pressure, constantly changing environment

#J-18808-Ljbffr…

Posted: April 18th, 2026