Lead Security by Design Consultant
Morson Edge
Lead Security by Design Consultant – Defence Aviation Location:
Yeovil – minimum 3 days onsite per week, increasing where programme requirements demand Rate:
£120.37 per hour, Outside IR35 Duration:
12 months Clearance:
Active SC required Nationality:
Sole British citizens only due to programme requirements We're recruiting a Lead Security by Design Consultant to support a major
defence aviation
programme from its early stages, shaping cyber and information security across the engineering lifecycle, from requirements and design through to in-service support. Working alongside security consultants, engineers and product specialists, you'll lead the development of security deliverables and translate customer requirements into practical plans, controls and assurance activities. Key responsibilities Lead the production and maintenance of Security Management Plans, security cases, assurance artefacts and cyber security risk reports.
Translate customer security requirements into actionable plans, statements of work and engineering lifecycle activities.
Conduct technical security risk assessments, threat modelling and vulnerability analysis, identifying appropriate mitigations.
Provide security guidance to product engineers, system architects and developers across software, firmware and electronic hardware.
Scope and manage security verification and validation activities and associated remediation plans.
Manage technical and delivery risks, customer relationships and contributions to security working groups.
Deliver agreed security outputs to time, cost and quality requirements.
Skills and experience required Experience delivering security outcomes within defence, including experience in defence aviation.
Strong knowledge of MOD accreditation and Secure by Design processes, including ISN2023/09.
Experience with high-integrity software and embedding secure software design into established development lifecycles.
Practical application of Defence Standards 05-138 and 05-139, alongside NIST guidance such as SP 800-30, 800-37 and 800-53.
Supply chain security risk management experience using NIST SP 800-161 or ISO 28000.
Experience developing and reviewing system security designs and translating security requirements into system or process controls.
Strong stakeholder management and communication skills, with the ability to work independently and guide technical teams.
A relevant degree in cyber security, systems or software engineering, or comparable professional experience.
At least two recognised cyber security certifications and/or relevant chartered status, such as CISSP, CISM, CASP/SecurityX or ChCSP.
Desirable experience Engineering lifecycle reviews, including SRR, PDR, CDR and TRR.
ARP4754A/ARP4761 and their relationship with security.
RTCA DO-326A/B, DO-355A and DO-356A.
To apply, please submit your CV outlining your relevant defence aviation and security engineering experience.
TPBN1_UKTJ
Yeovil – minimum 3 days onsite per week, increasing where programme requirements demand Rate:
£120.37 per hour, Outside IR35 Duration:
12 months Clearance:
Active SC required Nationality:
Sole British citizens only due to programme requirements We're recruiting a Lead Security by Design Consultant to support a major
defence aviation
programme from its early stages, shaping cyber and information security across the engineering lifecycle, from requirements and design through to in-service support. Working alongside security consultants, engineers and product specialists, you'll lead the development of security deliverables and translate customer requirements into practical plans, controls and assurance activities. Key responsibilities Lead the production and maintenance of Security Management Plans, security cases, assurance artefacts and cyber security risk reports.
Translate customer security requirements into actionable plans, statements of work and engineering lifecycle activities.
Conduct technical security risk assessments, threat modelling and vulnerability analysis, identifying appropriate mitigations.
Provide security guidance to product engineers, system architects and developers across software, firmware and electronic hardware.
Scope and manage security verification and validation activities and associated remediation plans.
Manage technical and delivery risks, customer relationships and contributions to security working groups.
Deliver agreed security outputs to time, cost and quality requirements.
Skills and experience required Experience delivering security outcomes within defence, including experience in defence aviation.
Strong knowledge of MOD accreditation and Secure by Design processes, including ISN2023/09.
Experience with high-integrity software and embedding secure software design into established development lifecycles.
Practical application of Defence Standards 05-138 and 05-139, alongside NIST guidance such as SP 800-30, 800-37 and 800-53.
Supply chain security risk management experience using NIST SP 800-161 or ISO 28000.
Experience developing and reviewing system security designs and translating security requirements into system or process controls.
Strong stakeholder management and communication skills, with the ability to work independently and guide technical teams.
A relevant degree in cyber security, systems or software engineering, or comparable professional experience.
At least two recognised cyber security certifications and/or relevant chartered status, such as CISSP, CISM, CASP/SecurityX or ChCSP.
Desirable experience Engineering lifecycle reviews, including SRR, PDR, CDR and TRR.
ARP4754A/ARP4761 and their relationship with security.
RTCA DO-326A/B, DO-355A and DO-356A.
To apply, please submit your CV outlining your relevant defence aviation and security engineering experience.
TPBN1_UKTJ
Reference: WJ-5784_82207 · Posted 10 Nov 2026, 06:46 AM