Application Security Engineer

CloudBees; Greater London; Hybrid; GBP 65,000 - 105,000; Full time

Job summary

CloudBees in London, UK, is seeking a hands-on security-minded engineer to lead secure SDLC and AI security initiatives in a hybrid role.

You will develop secure patterns, perform threat modeling, and guide teams on secure practices for AI, low-code, and enterprise systems.

Travel is required; we offer a diverse, inclusive culture and opportunities to advance in DevSecOps across Jenkins, Cloud, and CI/CD.

Qualifications

• Hands-on security experience in software and enterprise environments.
• Knowledge of SaaS, cloud, IAM, or endpoint security is desirable.
• Proficiency in secure SDLC fundamentals including threat modelling and CI/CD security.
• Comfort writing code in Python, Go, or TypeScript.
• Experience building integrations and automating security workflows.
• Experience with security tools such as SAST, DAST, SIEM, and vulnerability management platforms.

Responsibilities

• Develop secure SDLC standards for internal apps and AI workflows.
• Create patterns, reference architectures, and self-serve documentation for teams.
• Raise security profile with business teams, especially for AI and low-code.
• Conduct threat modeling, risk assessments, and technical security reviews.
• Identify and prioritize security risks; advise on mitigations.
• Translate findings into enterprise controls and detection requirements.
• Design safeguards for enterprise AI tooling, including agents and non-human identities.
• Evaluate and integrate emerging AI/ML security tools.
• Stay current with the AI security landscape.
• Engineer and automate AI-first security workflows at scale.

Skills

Hands-on security experience

Secure SDLC knowledge

Threat modelling

Secure design

Vulnerability management

CI/CD security

Python

Go

TypeScript

Automation of security workflows

SAST/DAST/ SIEM experience

AI/ML security knowledge

Generative AI tools familiarity

Communication skills

Interpersonal skills

Self-starter

Ambiguity tolerance

Tools

Jenkins

Python

TypeScript

CI/CD

Cloud

DevSecOps

IAM

Security tooling

Job description

Salary: £65,000 - 105,000 per year

Requirements

• Hands-on experience in software and enterprise security
• Working knowledge in any of SaaS, cloud, IAM, or endpoint security is desirable
• Proficiency in secure SDLC fundamentals, including threat modelling, secure design, vulnerability management, and CI/CD security
• Comfortable writing and reviewing code in Python, Go, TypeScript, or similar
• Experience building integrations and automating security workflows
• Experience with security tools at scale, including SAST, DAST, SIEM, endpoint, cloud, identity, AI/ML, and vulnerability management platforms
• Understanding of AI/ML security risks, attack vectors, and vulnerabilities
• Familiarity with agentic AI frameworks and generative AI tools
• Exceptional written and verbal communication skills, with the ability to translate complex security concepts for any audience
• Strong interpersonal skills, with the ability to build trust and credibility quickly across technical and non-technical teams
• Self-starter with initiative and ownership
• Hacker mindset: figures out the problem, then solves it
• Thrives in ambiguity

Responsibilities

• Develop secure SDLC standards for internal apps and AI workflows
• Build patterns, reference architectures, and documentation that enable teams to self-serve
• Work with business teams to raise the profile of security and adopt secure practices, especially for AI and low-code
• Conduct threat modeling, risk assessments, and technical security reviews for enterprise systems, internal apps, and AI and agentic deployments
• Identify and prioritize security risks, and advise risk, compliance, audit, and business teams on mitigations
• Translate findings into actionable enterprise controls and detection requirements
• Design safeguards for enterprise AI tooling, including agents and non-human identities
• Evaluate and integrate emerging AI/ML security tools
• Stay current with the AI security landscape
• Engineer and automate AI-first security workflows that scale the wider Security team
• Build for the enterprise domain in a way that benefits Product Security, SOC, and GRC

Technologies

• Agentic AI
• AI
• CI/CD
• Cloud
• DevSecOps
• IAM
• Support
• Jenkins
• Python
• Security
• TypeScript

More:

We are CloudBees, and we enable enterprises to deliver scalable, compliant, and secure software while empowering developers to do their best work. We integrate into hybrid and heterogeneous environments and support organizations across their DevSecOps journey, whether they use Jenkins on-premise or transition software delivery to the cloud. This is a full-time hybrid role based in London, UK, with travel required. We are committed to equal opportunities, diversity, and inclusion, and adjustments will be considered to accommodate individual needs in line with applicable equality and disability legislation.

last updated 36 week of 2026