Senior CTI Analyst: Intelligence-Led Security Ops

LSEG; Greater London; On-site; GBP 60,000 - 85,000; Full time

Benefits offered by this job

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Job summary

London Stock Exchange Group (LSEG) is seeking a Senior Associate CTI Analyst to join the Cyber Threat Intelligence team. You will research threats, track adversaries, and produce actionable intelligence for cyber security and wider business use.

The role involves supporting incidents, developing hypotheses, and collaborating with detection teams to improve security controls and resilience across LSEG.

Qualifications

• Solid understanding of the cyber threat landscape and TTPs.
• Knowledge of MITRE ATT&CK and its CTI applications.
• Ability to research with credible open sources and assess info quality.
• Clear written and verbal communication of technical threats.
• Interest in geopolitical developments affecting cyber threat activity.

Responsibilities

• Research and assess cyber threats to LSEG and its ecosystem.
• Track threat actors and evolving TTPs with campaigns.
• Produce concise, actionable intelligence for technical and senior audiences.
• Apply analytic tradecraft; present confidence and gaps clearly.
• Manage intelligence lifecycle; gather data and evaluate impact.
• Identify emerging threats and geopolitical developments with implications.
• Develop hypotheses with threat hunting and detection teams.
• Support cyber incidents with adversary behavior insights.
• Translate intelligence into security control improvements.
• Build relationships with intelligence consumers and partners.
• Improve CTI processes, tooling and capabilities.
• Stay updated on threat landscape and grow expertise.

Skills

Threat landscape understanding

MITRE ATT&CK knowledge

Attack pathways & controls

Open-source research

Technical communication

Analytical writing

Geopolitical threat awareness

Tools

STIX/TAXII

Job description

London Stock Exchange Group (LSEG) is seeking a Senior Associate CTI Analyst to join the Cyber Threat Intelligence team. You will research threats, track adversaries, and produce actionable intelligence for cyber security and wider business use.

The role involves supporting incidents, developing hypotheses, and collaborating with detection teams to improve security controls and resilience across LSEG.