Defence Security Architect — DV Cleared, Enterprise Security

Sanderson Government and Defence; Southampton; On-site; GBP 70,000 - 85,000; Full time

Benefits offered by this job

Competitive salary

Pension and private medical insurance

Flexible working

Job summary

Sanderson Government and Defence is seeking a Security Architect to design and implement comprehensive security architectures for defence IT environments. You will develop enterprise strategies and lead security programme implementations ensuring compliance with MOD security requirements.

The role requires expertise in security architecture, risk management and defence standards, with a focus on zero-trust models and modern cyber defence capabilities in complex environments.

Qualifications

• Minimum 12 years' information security experience with 5+ years in architecture role.
• Proven experience designing enterprise-scale security architectures.
• Strong background in defence, aerospace or government security programmes.

Responsibilities

• Design holistic security architectures for people, processes and technology.
• Develop enterprise-wide security strategies aligned with Defence Security Policy.
• Architect defence-in-depth security across network, application, data and endpoint layers.
• Lead security architecture reviews and technical security assessments.
• Design zero-trust models and continuous verification frameworks.
• Lead security risk assessments and vulnerability management programmes.
• Architect security monitoring, detection and response solutions.

Skills

Security architecture

Threat management

Cloud security

Security governance

Stakeholder engagement

Tools

SIEM

DLP

EDR

WAF

Firewalls

Job description

Sanderson Government and Defence is seeking a Security Architect to design and implement comprehensive security architectures for defence IT environments. You will develop enterprise strategies and lead security programme implementations ensuring compliance with MOD security requirements.

The role requires expertise in security architecture, risk management and defence standards, with a focus on zero-trust models and modern cyber defence capabilities in complex environments.