> Markdown version of [/jobs/ext/4655218-security-by-design-consultant](https://www.wearedevelopers.com/jobs/ext/4655218-security-by-design-consultant). 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 by Design Consultant - **Company:** Marks Sattin Ltd - **Location:** Yeovil, United Kingdom - **Experience:** Expert - **Salary:** £50,000 - £60,000 - **Contract:** Temporary to permanent - **Skills:** Cyber Security, Software Engineering - **Published:** November 10, 2026 - **Apply:** https://www.markssattin.co.uk/Apply?jid=59526 ## About the Role * Significant experience delivering cyber security within Defence environments. * Strong understanding of Secure by Design principles and security assurance activities. * Experience producing security cases, risk assessments and assurance documentation. * Knowledge of NIST cyber security standards and frameworks. * Experience working alongside systems engineering, software engineering or product development teams. * Ability to engage confidently with technical and non-technical stakeholders. Desirable Experience * Defence aviation, aerospace or air platform programmes. * Knowledge of Defence security standards and accreditation processes. * Supply chain security risk management experience. * Experience supporting complex engineering lifecycles and formal design reviews., * Active SC Clearance. * Relevant cyber security qualifications and/or professional certifications. * Ability to work on-site in Yeovil for a minimum of three days per week. ## Description * Develop and maintain security documentation including security management plans, security cases, assurance artefacts and cyber risk assessments. * Translate customer security requirements into practical plans, work packages and deliverables. * Conduct cyber and information security risk assessments, threat modelling and vulnerability analysis. * Support design reviews, engineering lifecycle activities and security governance forums. * Identify, manage and escalate security risks and issues. * Work closely with engineers, architects, developers and programme stakeholders to ensure secure-by-design principles are embedded throughout delivery. * Support verification, validation and assurance activities., 4. Process Improvement 5. Finance Change 6. Programme Management Finance and Accounting 1. External Audit 2. Qualified Finance 3. Newly Qualified Finance 4. Part Qualified & Transactional Finance 5. Tax 6. Tax – Industry 7. Tax - Practice 8. Treasury Governance 1. Compliance 2. Internal Audit 3. IT Audit 4. Risk Human Resources 1. Human Resources Investment and Advisory 1. Advisory 2. Investment - Buyside 3. M&A 4. Quantative 5. Restructuring Middle Office & Operations Legal 1. Legal Private Equity Executive Search Technology 1. Architecture 2. Business & Technology Leadership 3. Business Intelligence & Analytics 4. Cloud & Infrastructure 5. Data Protection & Privacy 6. Information & Cyber Security 7. IT Analysis 8. IT Change & Transformation 9. Product 10. Project & Programme Management 11. Software Development, 6-12 Month FTC|Revenue Accountant/Subscription Accountant. Join a growing subscription-based business, managing recurring revenue, deferred income and IFRS 15 reporting.