Senior Security Engineer

Location: London

Office attendance: 4 days per week in-office (Paddington)

About Vega: Vega is unlocking scale for alternative asset managers. Private markets are shaping into one of the most influential forces in the global economy over the coming decades, with more than $20 trillion in AuM today and expected to already triple by 2032. Today, the industry is at an inflection point as it enters an era of hypergrowth, increased complexity, and brand-new demands.

Vega is delivering the industry’s purpose-built infrastructure with AltOS – the AI-powered client & distribution operating system for alternatives. Vega’s founding team consists of alternatives specialists from KKR, Blackstone, Elliott, and Goldman Sachs, along with top product and engineering talent from successful fintech scale-ups like Revolut and Trade Republic. Vega has raised over $28M in funding from Apollo, Motive Ventures, Picus Capital, and 60 senior executives from the alternative investment industry.

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• Own Vega’s security posture across cloud, application, and data
• Design and evolve security architecture aligned with our SaaS, multi-tenant platform
• Work directly in the codebase to
  • Implement and improve authentication, authorization, and access controls
  • Address application-level vulnerabilities and security flaws
  • Support secure patterns in backend services and APIs
• Partner with backend engineers to embed security best practices into everyday development
• Secure AWS infrastructure across compute, storage, networking, IAM, and KMS
• Work alongside platform engineers on Kubernetes and container security
• Improve secrets management, access controls, and environment isolation
• Integrate security into CI/CD pipelines (SAST, dependency scanning, IaC checks)
• Improve monitoring, alerting, and incident readiness from a security perspective
• Ensure evidence, controls, and processes remain aligned as the platform evolves
• Translate compliance requirements into concrete technical controls

• 7+ years of experience in security engineering
• Proven hands-on experience securing cloud-native SaaS platforms
• Strong background in application security and infrastructure security (Java experience is a plus, but not required)
• Solid experience with AWS (IAM, EC2, RDS, S3, KMS, networking)
• Familiarity with Kubernetes and containerized environments
• Experience integrating security into CI/CD pipelines
• Good understanding of modern authentication and authorization patterns
• Excellent analytical and problem-solving skills with a focus on delivering scalable solutions
• Strong communication skills with the ability to articulate complex technical concepts to non-technical stakeholders

• Back-end:
  Java 21, Spring Boot, REST, Postgres (Jooq, Flyway), JUnit, Testcontainers
• Cloud & Platform: AWS (EC2, RDS, Cognito, S3, KMS), Docker, Kubernetes
• CI/CD & Ops:
  Git Hub Actions, Terraform, monitoring and alerting tooling
• Front-end:
  Type Script, React, Tailwind CSS

• An opportunity to shape the trajectory of a high-growth company with world-class investors
• High autonomy and trust, with a direct impact on how Vega delivers value for clients
• Competitive salary and equity package
• Benefits include private health insurance, sports allowance, L&D budget, and more

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