Security Assurance Analyst (Joint Design Team)

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About DXC Technology

DXC Technology is a Fortune 500 company delivering mission-critical IT solutions globally. Our Aerospace and Defence Hub in Farnborough works on sensitive defence programmes requiring highest security standards and rigorous assurance practices.

About the Role

The Security Assurance Analyst (Joint Design Team) leads security design review, assessment and assurance for defence and aerospace IT programmes. Providing technical security guidance into joint design teams, you will conduct security assessments of proposed IT solutions, ensure MOD security compliance, identify security risks, and recommend security controls. This role requires strong security knowledge, analytical capabilities and the ability to work collaboratively with technical architects and customer teams.

Key Responsibilities

Security Design Review & Assessment

• Conduct detailed security reviews of IT architecture and design documentation
• Assess security controls and identify gaps against MOD security requirements
• Evaluate threat models and security assumptions underlying IT designs
• Review security specifications for completeness and MOD compliance
• Identify residual security risks and recommend mitigation strategies
• Support authority leads and advise third parties

MOD Compliance & Standards Verification

• Verify IT designs comply with Defence Security Policy and MOD Classification Guides
• Assess adherence to ITAR regulations and export control requirements
• Review security controls against IS1 (IS1A) and other MOD security standards
• Validate data handling and classification compliance
• Ensure personnel security and vetting requirements are addressed

Joint Design Team Collaboration

• Participate actively in joint design team meetings and architecture workshops
• Provide security input to infrastructure, network and application architecture decisions
• Review proposed solutions from security perspective and recommend alternatives
• Challenge assumptions and help identify security risks early in design phase
• Support customer security decision-making through technical analysis

Documentation & Reporting

• Prepare detailed security assessment reports documenting findings and recommendations
• Document security control specifications and implementation guidance
• Create security assessment matrices and compliance traceability matrices
• Provide executive summaries of security findings for stakeholder communication
• Maintain security documentation for compliance and audit purposes

Risk Analysis & Mitigation Planning

• Conduct security risk assessments using appropriate risk methodologies
• Develop risk matrices and prioritise risks based on likelihood and impact
• Recommend security controls and mitigation strategies for identified risks
• Support risk management processes and evidence gathering for MOD approval
• Track risk mitigation and provide assurance of control implementation

Security Control Validation

• Validate implementation of recommended security controls
• Review security test plans and validation approaches
• Provide assurance that security controls operate effectively
• Support security certification and accreditation activities
• Document security assurance evidence for MOD compliance

Stakeholder Communication

• Communicate security findings and recommendations clearly to technical and non-technical stakeholders
• Facilitate security discussions between design team and customer security teams
• Explain complex security concepts in accessible language
• Support customer understanding of MOD security requirements and implications

Essential Requirements

Security Clearance

• Must hold or be eligible to obtain DV clearance - Essential
• 10 years continuous UK residency required for DV eligibility

Experience & Expertise

• Minimum 8 years' information security experience including security assessment or assurance role
• Demonstrated experience conducting security design reviews and assessments
• Strong background in defence, aerospace or government security programmes
• Experience with security certification and accreditation processes
• Experience managing a team in a security/JDT function
• Working knowledge of IT architecture and design principles

Technical Knowledge

• Comprehensive understanding of IT security controls and security frameworks
• Strong knowledge of network, infrastructure, application and data security
• Understanding of threat modelling and risk assessment methodologies
• Familiarity with MOD security requirements, Classification Guides and security policy
• Knowledge of ITAR regulations and export control requirements
• Understanding of security standards (ISO 27001, NIST CSF, etc.)
• Practical knowledge of common IT architectures and technologies

Personal Attributes

• Strong analytical and problem-solving skills
• Excellent leadership skills
• Excellent written and verbal communication skills
• Attention to detail with ability to identify gaps and inconsistencies
• Collaborative approach to working with architects and technical teams
• Ability to explain complex security concepts clearly
• Professional approach to challenging design decisions on security grounds
• Commitment to security excellence and MOD compliance

Desirable Requirements

• Previous DV or SC clearance
• Experience with defence or aerospace security programmes
• CISSP, CISM or equivalent security certification
• Experience with CESG or MOD security assessment methodologies
• Knowledge of Common Criteria or other formal security evaluation frameworks
• Familiarity with joint design team processes and defence programme delivery
• Background in architecture, infrastructure or systems engineering

What We Offer

• Competitive salary and benefits package
• Enhanced pension and private medical insurance
• Flexible working arrangements
• Professional development and security training support
• Opportunity to work on high-impact defence programmes
• Exposure to cutting-edge defence technology and security challenges

Application Process & Security Vetting

Applicants should be aware that:

• An offer of employment is subject to satisfactory completion of background checks and security vetting
• DV clearance is essential and must be obtained prior to commencing work
• The DV process typically takes 6-9 months
• Applicants must demonstrate 10 years continuous UK residency
• All applicants must demonstrate legitimate need for security clearance through this defence role

Equal Opportunities

DXC Technology is an equal opportunities employer committed to building diverse, inclusive teams. We welcome applications from all backgrounds and are committed to creating an inclusive recruitment process.

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.

Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here.