L

LSEG

Global financial market infrastructure and data

Information Security Officer - Post Trade, Lch Ltd

Full-Time
No salary listed
Expert
London, UK
In Person
CybersecuritySecurity Governance, Risk & Compliance

About the job

Requirements
  • Ten years minimum experience in senior Information Security management roles
  • Extensive previous exposure to financial services or financial market infrastructure industry organisations
  • Subject matter expertise in Information Security and cyber security with strong knowledge of legacy, existing, and emerging technologies including cloud and security technologies/controls
  • Solid Security Governance, Risk and Compliance (Security-Governance, Risk and Compliance) skillset
  • Background in information security engineering, vulnerability management, security architecture, and security operations is advantageous
  • Must have CISSP security certification
  • Excellent written and verbal communication and stakeholder management skills
  • Ability to articulate ideas to both technical and non-technical audiences
  • Ability to work pragmatically and efficiently in both team and independent settings
  • Ability to prioritise workloads efficiently with minimal supervision
  • Ability to operate effectively in a fast-paced, high-volume workload environment
  • Knowledge of primary global data protection regulations and legislation
  • Knowledge of security standards and frameworks (e.g., ISO 27001/02, NIST CSF, SOC 2, CIS, CSA STAR, CBEST, TIBER-EU)
  • Desirable: CISSP-ISSAP, CISSP-ISSEP, CISM, CCSP, CCSK, CEH
Responsibilities
  • Assist in the oversight of Information Security by reviewing and assessing information security and cyber controls and performing gap analyses
  • Oversee information security and cyber control gap and risk remediation activities
  • Monitor and analyse information security roadmaps, strategies, programmes, and projects, reporting risks, trends and opportunities
  • Engage proactively with technology and cyber teams delivering technology and cyber services
  • Attend risk and governance meetings to provide updates to stakeholders from the three lines of defence
  • Collaborate with colleagues from the three lines of defence to define current risk posture and remediate identified risks and issues
  • Engage with external third parties providing services to ensure appropriate and contracted security levels
  • Establish and maintain a Cyber Risk Profile for LCH Ltd. in line with other areas of LSEG
  • Assist with establishment and maintenance of a Risk Control Assessment focusing on InfoSec/Cyber risks and controls
  • Maintain key performance indicators, key risk indicators, and management information reflecting current control estate
  • Produce executive level materials presenting current state of security controls
  • Assess security architecture solution designs and risk position of projects, ensuring compliance with policies and standards
  • Review projects for appropriate levels of security design and controls
  • Produce risk remediation action plans and present risk treatment proposals and actions
  • Review regulatory and legislative matters and respond appropriately
  • Present risks and cyber maturity to senior/executive bodies and clients/regulators as required
  • Partner with business control functions to understand workloads, agendas, and difficulties and maintain relationships with risk, compliance, legal, HR, and audits
  • Engage with business to understand goals and operational risks, identify areas for improvement, and support risk decision processes
  • Identify emerging information and cyber threats and oversee risk mitigation plans
  • Embed cyber across the firm by ensuring compliance with policies and procedures and driving continuous improvement
  • Monitor information security trends and keep leadership informed of issues affecting the organisation
  • Review and document technologies and security controls across office spaces, data centers and cloud
  • Execute security controls maturity assessments against industry standards (NIST CSF, ISO 27001/2, SOC 2)
  • Assess projects for appropriate security design and controls and perform risk scoring
  • Produce risk remediation plans and take ownership of risk treatment proposals
  • Review regulatory and legislative matters and present risks to executive bodies
  • Clearly present complex cyber risk matters to clients and regulators
Desired Qualifications
  • CISSP-ISSAP
  • CISSP-ISSEP
  • CISM
  • CCSP
  • CCSK
  • CEH
  • Experience with security controls and architecture across cloud, data centers, and office environments
  • Experience with third-party risk management and oversight
  • Experience presenting to regulatory bodies and senior executives
  • Knowledge of data protection regulations and privacy frameworks beyond basics

About the company

LSEG provides global financial market infrastructure and data across the full value chain. It operates through Data & Analytics, FTSE Russell, Risk Intelligence, Capital Markets, and Post Trade, offering data, indices, risk tools, trading, clearing and settlement services, and regulatory support. It differentiates itself by delivering an integrated, end-to-end suite that spans pre-trade analytics to post-trade processing with a global footprint. Its goal is to grow long-term value for shareholders and customers by leveraging its diversified platform and international reach.

Company Size

10,001+

Company Stage

IPO

Headquarters

London, United Kingdom

Founded

1801

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Simplify's Take

What believers are saying

  • September 30, 2026 Snowflake expanded LSEG's five-year enterprise AI partnership.
  • September 1, 2026 LSEG announced UK tokenised equities, LSE 24, and Payward.
  • September 28, 2026 Active Intelligence upgraded World-Check screening and onboarding workflows.

What critics are saying

  • MayStreet founder Patrick Flannery's Delaware fraud suit still targets LSEG in 2026.
  • Snowflake can commoditize LSEG subscriptions by bundling rivals inside AI workflows by 2027.
  • Tokenized shares face regulatory backlash; LSEG's 2027 approvals remain unresolved.

What makes LSEG unique

  • LSEG owns regulated market rails across data, trading, clearing, and settlement.
  • September 30, 2026 Snowflake named LSEG its EMEA Product Innovation Partner of the Year.
  • LSEG bundles World-Check, Yield Book, FXall, and FTSE Russell under one contract.

Help us improve and share your feedback! Did you find this helpful?

Benefits

  • Health Insurance
  • 401(k) Retirement Plan
  • Paid Vacation
  • Wellness Program
  • Flexible Work Hours
  • Remote Work Options

Growth & Insights and Company News

Headcount

6 month growth

13%

1 year growth

13%

2 year growth

13%
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