Embedded Security Engineer: Build Secure, Scalable Systems

G-Research; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Just Eat lunch

Barista bar

35 days leave

Pension contributions 9%

Casual dress code

Healthcare & life

Cycle to work

Monthly events

Job summary

G-Research in London is looking for a Security Engineer to embed within delivery teams, learn unfamiliar codebases quickly and design robust fixes in production systems. You will own security work from investigation through delivery, write production-quality code and collaborate with senior engineers to reduce systemic risk while maintaining performance and reliability in complex platforms.

We offer a competitive package with strong benefits and a culture that values thoughtful, evidence-based

Qualifications

• Strong experience delivering production code in complex software systems.
• Deep understanding of security concepts and common failure modes in modern infrastructure and applications.
• Ability to learn unfamiliar technology stacks quickly and work effectively within them.
• Experience fixing security issues in existing systems, not only identifying them.
• Good engineering judgement balancing security, performance, reliability and delivery constraints.
• Clear communication with deeply technical engineers and stakeholders.

Responsibilities

• Embedding with product or platform teams to design and implement fixes for identified security issues.
• Learning unfamiliar systems and codebases quickly, contributing effectively to existing delivery processes.
• Writing high-quality, maintainable code that addresses security issues without introducing unnecessary complexity or performance regression.
• Owning security work from investigation through to delivery and follow-up.
• Ensuring fixes are understood, tested and safely deployed.
• Identifying patterns in security issues and contributing to broader improvements where appropriate.
• Collaborating with experienced engineers to reach well-reasoned solutions, incorporating feedback and differing perspectives.
• Communicating clearly about issues, solutions and trade-offs with engineers and stakeholders.

Skills

Security engineering

Production code

Security concepts

Complex systems

Problem solving

Communication

Job description

G-Research in London is looking for a Security Engineer to embed within delivery teams, learn unfamiliar codebases quickly and design robust fixes in production systems. You will own security work from investigation through delivery, write production-quality code and collaborate with senior engineers to reduce systemic risk while maintaining performance and reliability in complex platforms.

We offer a competitive package with strong benefits and a culture that values thoughtful, evidence-based