Security Assurance Analyst (Joint Design Team)

Job Description
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Job Description:

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. xcunqrw More information on employment scams is available here.