Cyber Security - Technical Security Architect MOD/ SC

Sanderson; City Of London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading cybersecurity consultancy in the United Kingdom is seeking a Technical Cyber Security Architect. This role involves shaping secure architecture and delivering consultancy for clients in the MOD and public sector, with a focus on remote working and periodic on-site presence. Ideal candidates will possess relevant security qualifications and experience in cyber security fields, with excellent guidance and support for professional development.

Benefits

Flexible Working

Career Development

Private Health Care

Cash Back Plan

Buy/Sell Holiday Options

Life Assurance

Qualifications

• Proven experience in a Security Architect or technical cyber role.
• Active SC clearance and willingness to undergo DV clearance.
• Willingness to travel to client sites (approx. 40–60%).

Responsibilities

• Provide secure design advice throughout the project lifecycle.
• Ensure adherence to security standards.
• Validate the effectiveness of security controls.
• Conduct threat modelling and risk assessments.

Skills

Proven experience in a Security Architect role

Strong working knowledge of JSP440, JSP604/453, JSP490

Knowledge of MOD/GDS Secure by Design principles

Experience with ISO 27001, NIST CSF, CIS Controls v8

Cloud security (Azure, AWS)

Threat modelling (Kill Chain, attack trees)

Education

CIISEC Full Membership or UK Cyber Security Council registration

CISM

Tools

SABSA

TOGAF

AWS/Azure Architect

CISSP

CISM

Job description

Cyber – Technical Security Architect (MOD)

Location: Remote + South East / South West on–site presence as required | Contract Type: Permanent & Full–time | Salary: Competitive + Benefits

About the Role

As a Technical Cyber Security Architect, you will play a pivotal role in shaping secure architecture and delivering expert consultancy to our clients, particularly within the MOD and wider public sector. You'll collaborate with internal teams and client stakeholders to design, validate, and implement secure solutions that align with business and regulatory requirements.

Key Responsibilities

• Provide secure design advice and guidance throughout the project lifecycle.
• Ensure adherence to security standards, blueprints, and architectural patterns.
• Promote Secure by Design principles to reduce information risk.
• Validate the effectiveness of security controls and recommend improvements.
• Deliver security architecture for cloud and hybrid environments.
• Scope and review IT Health Checks (ITHC) and produce remediation plans.
• Conduct threat modelling, risk assessments, and design proportional controls.
• Produce security architecture artefacts including standards and blueprints.
• Travel to client sites (approx. 40–60%) as required for classified system access.

Experience Required

The successful candidate will possess Proven experience working in a Security Architect or technical cyber role, ideally within MOD / public sector and will have achieved or be working towards Full Membership of CIISEC and UK Cyber Security Council professional registration at either Chartered or Principal for Risk Management.

• Hold an active and transferable SC clearance
• Willingness to undergo DV clearance / UK Citizen / residing in UK
• Strong working knowledge of:
• JSP440, JSP604/453, JSP490
• MOD/GDS Secure by Design principles
• ISO 27001, NIST CSF, CIS Controls v8
• HMG, NPSA, NCSC policies and guidance
• Cloud security (Azure, AWS), containerisation, KMS, WAFs
• Event–driven microservices, network infrastructure, IDS/IPS
• AI security (ISO42001 desirable), ITHC scoping and remediation
• Threat modelling (Kill Chain, attack trees), HLD/LLD reviews

Certifications

• SABSA, TOGAF, AWS/Azure Architect, CISSP, CISM. Working towards or holding CIISEC Full Membership or UK Cyber Security Council registration (Chartered/Principal).

What's in it for You

• Flexible Working: Remote–first with expected travel to site 2–3 days per week.
• Career Development: Continuous learning and professional growth.
• Benefits Package: Includes Private Health Care, Cash Back Plan, Buy/Sell Holiday Options, Life Assurance, and more.

Interested?

Submit your application to learn more about this exciting opportunity.

Reasonable Adjustments

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.