Security Design Engineer (AppSec)
Posted 21 hours 29 minutes ago by Talent Smart Limited
The Company
Superb opportunity to join a leading financial services client with offices in Edinburgh.
This is an initial 6-month contract inside IR35. There will be a requirement to be in the office up to 3-days per week.
The Role
We are seeking an experienced Security Design Engineer (AppSec) to lead end-to-end security solution design across complex technology environments. You will produce high-quality architecture and design artefacts aligned to business and security standards, influence strategic direction, and provide hands-on application security expertise across large-scale transformation programmes.
What you'll do
- Own and deliver secure solution designs, architecture patterns, design decisions, and risk assessments
- Partner with enterprise and solution architects to ensure alignment with strategic architecture
- Provide technical leadership and act as an AppSec subject matter expert for delivery teams
- Design and embed security into modern application stacks and CI/CD pipelines
- Present designs and recommendations to design authorities and senior stakeholders
- Identify control gaps, define remediation plans, and manage residual risk
- Support governance, peer review, and architectural assurance processes
What you'll bring
- Deep application security experience across cloud-native, microservices, containerised and Kubernetes environments
- Strong expertise in SAST, DAST, IAST, MAST, SCA, SBOMs, and supply-chain security
- Proven experience integrating security testing into CI/CD (eg GitHub Actions, GitLab, Jenkins, Azure DevOps)
- Threat modelling, secure SDLC design, and risk-based security policy development
- Experience in vulnerability and exposure management and network security concepts (segmentation, logging, scanning)
- Familiarity with industry frameworks (OWASP SAMM/ASVS, NIST SSDF, SLSA, CSA)
- Ability to communicate complex security concepts to both technical and non-technical stakeholders
- Experience working in large, complex IT transformation programmes
Tools & technologies
- AppSec tools such as Checkmarx, Invicti, Snyk, Black Duck, Tenable (or similar)
- Architecture modelling (eg BizzDesign, Archi, UML)
- Jira and Confluence
Qualifications (preferred)
- Degree in cybersecurity, computer science, software engineering, or related field
- CISSP, CISM, or equivalent cybersecurity certification
- SABSA or TOGAF certification
This is an opportunity to shape secure architecture at scale, influence senior stakeholders, and drive developer-centric security practices in a complex enterprise environment.
More details available on successful application.