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Security Architect

Design secure systems from the ground up for our clients and our own platform.

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  • Security
  • Lead · 8+ years
  • Hybrid · Full-time
  • Posted 16 October 2026

About the role

You will set the security design for client platforms and our own: identity, networks, cloud, applications and security operations. You will lead zero-trust and quantum-safe roadmaps and advise leadership on risk.

What you will do

  • Design secure architectures for cloud, networks and applications
  • Design and deploy SOC technology: SIEM, SOAR, EDR and vulnerability management
  • Lead threat modelling and security design reviews
  • Plan zero-trust and quantum-safe roadmaps
  • Set security standards, patterns and reference designs
  • Advise clients and leadership on risk and priorities

Minimum qualifications

  • Bachelor's degree in Cyber Security, Computer Science or a related field, or equivalent practical experience
  • 8+ years in security, including 3+ years as an architect or design authority
  • Current CISSP plus one of CCSP, SABSA or TOGAF
  • Architectures delivered for cloud, identity and networks (examples you can walk us through)
  • Design work to ISO 27001, NIST CSF and NCSC Cloud Security Principles
  • Zero-trust design (NIST SP 800-207)
  • Willing to pass BPSS screening and eligible for UK SC clearance
  • English at CEFR C1 or above (IELTS 7.0 or equivalent)

Expert knowledge

  • Zero-trust architecture: identity-centric access, segmentation and continuous verification
  • Threat modelling with STRIDE and attack trees for cloud and application designs
  • Security architecture frameworks: SABSA, TOGAF and NCSC Cloud Security Principles
  • Cryptographic agility and post-quantum roadmaps (NIST FIPS 203, 204, 205)

Preferred qualifications

  • Post-quantum migration planning (NIST FIPS 203, 204, 205)
  • CISSP-ISSAP
  • UK Cyber Security Council Chartered status
  • Consulting for regulated clients

Before any offer we verify your certificates, qualifications, references and right to work in the UK. Security roles also need background screening (BPSS) and may need security clearance.

SOWTK is an equal opportunity employer. We welcome applicants of every background and do not discriminate on any characteristic protected by the Equality Act 2010.

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