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Halian Technology Limited jobs

AppSec Lead - London

£100,000 - 100,000
Halian Technology Limited
Charing Cross, London
£100,000 - 100,000
Company Size icon
Company Size
500-1k
Company Type icon
Company Type
Services
Exp Level icon
Exp Level
Lead
Job Type icon
Job Type
Full-Time
Language icon
Language
English
Visa sponsorship icon
Visa sponsorship
No

Requirements

Must:
We are looking for candidates with at least 3 years of experience in application security or a strong software engineering background with a focus on security. You should have hands-on experience with secure CI/CD practices, DevSecOps methodologies, GitHub workflows, and Terraform. A deep understanding of cloud security principles in AWS and Azure, particularly around IAM, secrets management, and networking, is essential. Additionally, you should be proficient in secure coding practices, threat modeling, and vulnerability remediation. Familiarity with a range of security tooling, including static and dynamic analysis, software composition analysis, and container security, is expected. Strong communication and collaboration skills are important, as you'll need to translate complex security concepts into practical guidance for engineers. You should have a proven ability to influence development teams and drive the adoption of security best practices, demonstrating strong analytical and prioritization skills with a pragmatic, risk-based approach to decision-making. Leadership experience is a plus.

Technologies

CI/CD
DevSecOps
GitHub

Responsibilities

As the Lead AppSec Engineer, you will serve as the go-to expert for application security across our engineering teams, providing hands-on guidance and resolving concerns while fostering a security-first mindset. You will promote and implement secure development practices across CI/CD pipelines, manage secrets and keys, handle dependency management, and ensure secure design. You will lead the vulnerability remediation efforts, triaging findings, prioritizing risks, and partnering with teams to deliver effective, pragmatic fixes. It will be your responsibility to integrate security tools (e.g., SAST, DAST, SCA, secrets scanning) into developer workflows, ensuring that automation is both scalable and developer-friendly. You will work closely with our infrastructure teams to ensure secure configurations of AWS and Azure environments, focusing on IAM, network security, encryption, and observability. Furthermore, you will provide input and recommendations during architecture and design reviews to ensure new services and features are secure by design. You will stay ahead of the curve on security trends, tools, and threats, proactively recommending enhancements to our security posture.

Description


We welcome candidates who have a background in development or penetration testing, as this would be advantageous for us. Additionally, certifications such as CEH or OSCP are a plus. This role is offered on a hybrid basis, requiring 2 to 3 days on-site in central London. We follow a 2 to 3 stage interview process, and we encourage you to apply now to be considered for this exciting opportunity!
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