Control Testing Senior Specialist

Role Responsibilities & Key Accountabilities:

• Independently plan and perform control testing (Design Effectiveness and Operating Effectiveness) across business process and automated controls.
• Evaluate whether controls are appropriately designed to mitigate identified risks and are operating consistently as intended.
• Execute end-to-end assurance activities, including walkthroughs, sample testing, evidence review, and documentation of outcomes.
• Apply strong understanding of operational risk fundamentals to identify control gaps, weaknesses, and potential risk exposures.
• Evaluate control environments against controls management frameworks, ensuring alignment to risk appetite and regulatory expectations.
• Provide risk-based insights and articulate potential impact of control deficiencies.
• Assess automated controls, including system configurations, interface controls, and dependency on IT general controls (ITGCs).
• Engage with Business Control Officers (BCOs), control owners, and key stakeholders across Capital Markets functions.
• Lead constructive and critical conversations, providing effective challenge on control design, execution, and evidence quality.
• Influence stakeholders to address control deficiencies and strengthen the control environment.
• Communicate findings clearly, balancing professional skepticism with a collaborative approach.
• Key Skills & Competencies
  • Strong expertise in control testing (business process and automated controls) within Capital Markets.
  • Good understanding of Capital Markets, and products (including trading, post-trade and data services), with the ability to contextualise control assurance activities against product/operational flows, market infrastructure and associated risk exposures.
  • Proven ability to independently execute design and operating effectiveness testing.
  • Solid understanding of: Operational risk management frameworks Controls lifecycle, Automated control environments and system-driven controls
  • Strong analytical and risk-based thinking capability.
  • Ability to challenge effectively and constructively, with confidence in stakeholder interactions.
  • Excellent communication and documentation skills, with audit-ready articulation of findings.
  • High attention to detail with a focus on quality and consistency of assurance outputs.

Career Stage:

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

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