🏢 Capital Markets Gateway · 📍 London · 💼 hybrid · ⏰ Full-time
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Position Summary & Responsibilities
The Company
Capital Markets Gateway LLC (CMG) is a capital markets-focused fintech transforming global equity capital markets (ECM) through data, technology, and connectivity. As the preferred source for ECM analytics and the first network connecting the buy-side and sell-side for ECM workflows, we are committed to reshaping how capital markets operate. Founded in 2017 by a team of ECM practitioners, CMG has completed three successful fundraising rounds and is backed by a group of the world’s most prestigious financial institutions. The CMG platform is currently relied upon by 25 investment banks and 135 asset managers representing over $40 trillion in AUM. For more information, please visit www.cmgx.io.
The Role
We are hiring a Senior Security Engineer to lead our security risk management and governance work. This is a senior individual-contributor role for someone who thrives on owning large, ambiguous initiatives end-to-end and turning them into shipped, operationalized programs. You will report directly to the CISO, own cross-program initiatives, and collaborate closely with senior leadership across the firm.
The core of the role is hands-on security risk management, threat modeling, security risk assessments, and security design and architecture reviews, paired with the governance and process work that scales the program. You will partner on customer due-diligence and SOC 2 evidence and turn security controls into repeatable workflows that fit how the business already works. You will apply that lens across the full control landscape: cloud security, supply-chain and vulnerability management, endpoint and identity, detection and response, and AI security.
CMG operates in a highly regulated, client-facing market, so scope and impact here are unusually large for the level. We value strong collaboration and a deep sense of ownership: you will be trusted to take initiatives and run with them, often wi
🎯 Candidate Preparation GuideFor Capital Markets Gateway Applicants
Key Role Competencies & Evaluation Highlights
Key Role Focus:
The core evaluation targets deep institutional finance literacy combined with modern SaaS product delivery and ultra-low latency mindset.
📋 Preparation Priorities (Key Areas to Clarify):
1. Superficial understanding of fixed income, equity markets, or institutional trading lifecycles
2. Proposing 'move fast and break things' engineering cultures inappropriate for capital markets
3. Inability to communicate technical product features clearly to sophisticated financial buyers
✨ Recommended Role Alignment Hook:
I bridge the gap between institutional capital markets infrastructure and modern, high-performance SaaS delivery.
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