Technical Security Architect - Secure, on site Hampshire

DXC Technology Inc.; England; On-site; GBP 90,000 - 120,000; Full time

Job summary

DXC Technology is seeking an experienced Technical Security Architect to support a client’s Joint Design Team security lead in providing technical security guidance and architecture design. This is a site-based role in Hampshire requiring on-site work and UK security clearance.

The successful candidate will design and implement Zero Trust security architectures, align with NIST SP 800-207, IAM, cloud security, and risk management, working with stakeholders across delivery teams.

Qualifications

• BSC and/or MSc in Cyber Security, Computer Science, Information Technology, Information Security or related subject or relevant industry experience.
• Associate membership grade with CIISEC
• CCSP/CISSP/ISSAP and/or CCP in Security Architecture or Risk Management

Responsibilities

• Architect security solutions and lead their implementation, ensuring adherence to customer security policies and standards.
• Work with customer architecture teams to develop secure solutions.
• Assess security risks by identifying vulnerabilities and defining security requirements.
• Develop and enforce security policy standards to ensure compliance with security and legal requirements.
• Mentor and share knowledge with team members to grow skills and capabilities.
• Promote DXC Security portfolio and best-fit solutions with customers.

Skills

Excellent communication

Stakeholder management

Consultancy skills

Leadership

Education

BSc in Cyber Security/CS/IT or related field

MSc in Cyber Security/related field

CCSP/CISSP/ISSAP/CISA/CISM

CIISEC Associate membership

CESG CCP in Security Architecture or Risk Management

Advanced cloud qualifications (Azure/AWS/Google)

Tools

Microsoft Azure

AWS

Google Cloud

Job description

Job Description: Technical Security Architect Hampshire (site-based) DXC Technology is looking for an experienced Technical Security Architect to support a client’s Joint Design Team security lead in the provision of technical security advice and guidance to the Joint Design Team and relevant client Third Parties. This is a critical, site-based role responsible for ensuring the right skills are in place at the right time to meet client demand, working closely with account leadership, delivery teams, and recruitment. Due to the nature of the work and the customers we support, the successful candidate must be eligible to meet UK Government and contractual personnel security requirements, including the applicable residency requirements for the role, and have the right to work in the United Kingdom. Some roles may also be subject to nationality requirements where these are necessary to meet UK Government or contractual security obligations. The Role A senior cybersecurity professional responsible for designing and implementing security architectures based on the Zero Trust principle of “never trust, always verify.” The role focuses on protecting enterprise systems, applications, data, and cloud environments by enforcing strong identity and access controls, least‑privilege access, continuous authentication, micro‑segmentation, and robust monitoring. You will work closely with business, security, infrastructure, and compliance teams to develop security roadmaps, assess risks, integrate modern security technologies, and ensure alignment with industry frameworks such as NIST 800‑207. The role requires extensive experience in security architecture, cloud security, identity management, and enterprise risk management, combined with strong stakeholder engagement and leadership skills to drive security transformation programmes across the organisation.

Qualification

• BSC and/or MSc in Cyber Security, Computer Science, Information Technology, Information Security or related subject or relevant industry experience.
• CompTIA Security+ CASP+ (or SecurityX)
• Associate membership grade with CIISEC
• ICS2 Certified Cloud Security Professional (CCSP), Certified Information, Systems Security Professional (CISSP), and/or Information Systems Security Architecture Professional (ISSAP)
• CESG Certified Cyber Professional (CCP) in Security Architecture or Risk Management
• Additional cloud security qualifications such as Microsoft Azure, AWS, GoogleAdvanced degree in a relevant field is a plus, CISSP, CISM, CISA or equivalent professional certification.

Key Responsibilities

• Architect solutions and technically lead their implementation, ensuring adherence to customer security policies and standards.
• Relevant solutions include on‑prem secure cloud, zero trust architecture
• Working closely with the customer’s architecture team to develop solutions
• Assess security risks by identifying vulnerabilities and defining security requirements to address known and future threats
• Develop, implement, and enforce security policy standards to ensure compliance with customer security and legal requirements
• Help and support on architectural/technical issues to other team members as required, whilst sharing technical knowledge and experiences
• Gain and maintain a working knowledge of the DXC Portfolio of Security Products and Services, promoting this with the customer and encouraging best fit solutions
• Continually review and enhance existing knowledge of the security aspects of common product sets and technologies
• Provide ‘soft’ consultancy skills and a proactive approach to gain the absolute trust of our customers
• Participate in providing mentoring support and guidance to team members to help grow skills and capabilities

What You’ll Bring

• 5+ years’ experience in cybersecurity, security architecture, or related disciplines, with experience delivering security solutions within Defence or highly regulated environments.
• Proven experience designing and implementing Zero Trust Architectures, aligned to NIST SP 800-207 principles.
• Strong knowledge of Identity and Access Management (IAM), network security, endpoint security, cloud security, and security monitoring capabilities.
• Experience developing and integrating security architectures within broader enterprise, cloud, and infrastructure architectures.
• Ability to engage with stakeholders, capture business and security requirements, and translate them into practical architectural solutions.
• Working knowledge of architectural frameworks such as SABSA and TOGAF.
• Strong understanding of threat modelling, risk assessment, and secure‑by‑design principles, with the ability to apply outputs to architectural decisions.
• Experience interpreting and applying security standards, frameworks, and regulatory requirements, including NIST, ISO 27001, JSP 440, HMG Security Policy Framework, and other relevant Defence and industry standards.
• Ability to operate across multi‑vendor security ecosystems, selecting and integrating appropriate technologies to meet business and security objectives.
• Excellent communication, consultancy, and stakeholder management skills, with the ability to influence security strategy and transformation initiatives.

Essential Requirements

Security Clearance – requirement. Ability to work on‑site in Location.

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DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations — helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry‑Specific Software Solutions, DXC modernizes, secures, and operates some of the world’s most complex technology estates. Learn more on dxc.com.