Security Architect, Farnborough

Job Description
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Job Description:

Security Architect - DV Cleared

Location: Farnborough, Hampshire, UK

Employment Type: Permanent, Full-Time

Security Clearance: Developed Vetting (DV) - Essential

Salary: Highly competitive, commensurate with experience

About DXC Technology

DXC Technology is a Fortune 500 global company with over 40 years' presence in the UK, recently establishing its Aerospace and Defence Hub in Farnborough. We deliver enterprise security solutions protecting critical defence and aerospace operations from evolving cyber threats.

About the Role

The Security Architect designs and implements comprehensive security architectures protecting defence and aerospace IT environments. You will develop enterprise security strategies, lead security programme implementations, architect integrated defence-in-depth solutions, and ensure compliance with stringent MOD security requirements. This role demands exceptional expertise in security architecture, risk management and defence security standards.

Key Responsibilities

Security Strategy & Architecture

Design holistic security architectures incorporating people, process and technology security

Develop enterprise-wide security strategies aligned with MOD Classification Guides and Defence Security Policy

Architect defence-in-depth security solutions across network, application, data and endpoint layers

Lead security architecture reviews and technical security assessments

Design zero-trust security models and continuous verification frameworks

Cyber Threat & Risk Management

Assess cyber threat landscape and design threat-informed security architectures

Lead security risk assessments and vulnerability management programmes

Design incident response, threat intelligence and cyber defence capabilities

Architect security monitoring, detection and response solutions

Design business continuity and cyber resilience frameworks

Compliance & Standards Implementation

Ensure security architectures comply with MOD security requirements and ITAR regulations

Design security solutions supporting Information Security Management System (ISMS) compliance

Architect compliance and audit capabilities for regulatory reporting

Lead security standards implementation and controls frameworks

Security Solutions & Integration

Architect endpoint protection, data loss prevention (DLP) and advanced threat protection solutions

Design cloud security architectures supporting hybrid and multi-cloud environments

Architect application security, API security and secure SDLC integration

Design security operations centre (SOC) capabilities and security information and event management (SIEM)

Lead security technology evaluation and implementation programmes

Technical Leadership & Governance

Lead security technical teams and provide architectural mentoring

Establish security design standards, architecture patterns and operational governance

Drive technical decision-making through security design reviews

Document security architecture decisions and design specifications

Customer & Stakeholder Engagement

Serve as technical authority for security architecture discussions with customer leadership

Present security recommendations to defence programme teams and executive stakeholders

Lead security architecture workshops and customer engagement activities

Communicate complex security concepts to technical and non-technical audiences

Essential Requirements

Security Clearance

Must hold or be eligible to obtain DV clearance - Essential

10 years continuous UK residency required

Experience & Expertise

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

Demonstrated expertise with security operations, incident response and threat management

Track record of leading security transformation and programme implementations

Technical Knowledge

Deep expertise in security architecture frameworks, methodologies and best practices

Expert-level knowledge of network security, endpoint security and application security

Strong understanding of threat models, attack vectors and defence-in-depth strategies

Proficiency in cloud security (AWS, Azure security, or equivalent)

Knowledge of security tools (SIEM, DLP, EDR, WAF, firewalls, etc.)

Understanding of cryptography, encryption and security protocols

Familiarity with MOD security requirements, Classification Guides and defence standards

Knowledge of compliance frameworks (ISO 27001, NIST CSF, etc.)

Personal Attributes

Exceptional strategic thinking combined with strong technical depth

Outstanding communication and stakeholder engagement skills

Strong problem-solving and analytical capabilities

Proven ability to lead technical teams and influence executive stakeholders

Passion for security excellence and continuous improvement

Desirable Requirements

Previous DV or SC clearance

Experience with defence or aerospace security programmes

CISSP, CISM, CCSK or equivalent security certifications

AWS Security or Azure Security certifications

Experience with security governance and compliance frameworks

Knowledge of ITAR compliance and export controls

Armed Forces or military security background

What We Offer

Highly competitive salary and comprehensive benefits package

Enhanced pension and private medical insurance

Flexible working and professional development support

Opportunity to architect security for mission-critical defence organisations

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.

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