> Markdown version of [/jobs/ext/4679451-security-engineer](https://www.wearedevelopers.com/jobs/ext/4679451-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Security Engineer - **Company:** Tynestack Partners - **Location:** Newcastle upon Tyne, United Kingdom - **Salary:** £50,000 - £65,000 - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Software System Penetration Testing, Microsoft Azure, Burp Suite, C Sharp (Programming Language), Code Review, Open Web Application Security, Secure Coding, Software Engineering, SonarQube, Software Vulnerability Management, Sonatype, Software Security, Devsecops, Security Orchestration, Automation & Response - **Published:** November 12, 2026 - **Apply:** https://itjobpro.co.uk/job/security-engineer-6 ## About the Role * Commercial experience in application security, DevSecOps, penetration testing or secure software development. * A good understanding of common application vulnerabilities, including OWASP Top 10. * Experience assessing application security risks and working with technical teams to resolve them. * Knowledge of security testing tools such as Burp Suite, SonarQube, Snyk, OWASP ZAP or similar. * Understanding of software development processes, secure coding or CI/CD pipelines. * Strong communication skills and the confidence to work with experienced developers. * A practical, proactive approach and willingness to take ownership. Experience with Azure, .NET, C#, APIs, threat modelling or security automation would be advantageous. ## Description TyneStack Partners is recruiting a Security Engineer for an established UK financial services and technology business. This is an exciting opportunity to join a growing security function and help shape how applications are secured across the organisation. It's a newly created position offering genuine ownership, the opportunity to work closely with experienced software developers and the chance to introduce new ideas, tools and security practices. We're interested in hearing from Application Security Engineers, DevSecOps Engineers, Application Penetration Testers and software developers who have developed strong security expertise. You don't necessarily need to have held the title of Security Engineer before. What you'll be doing * Working closely with development teams to identify and address security vulnerabilities. * Helping improve secure software development practices and application security controls. * Supporting application security testing, code scanning and vulnerability remediation. * Conducting threat modelling, security assessments and secure design reviews.