Infrastructure & Security Architect in London

Who we are

Vaultex are the UK's leading cash processing company, with sites nationwide. When you join us, you support businesses to run securely and more efficiently, ensuring continued access to cash for the millions of people that depend on it.

Hours: Monday to Friday 09:00 - 17:00 - 35 hours per week

Grade: CM50

Location: Hybrid working – remote / 104 Dalton Ave, Birchwood, Warrington, WA3 6YF

Job purpose

The Infrastructure and Security Architect is responsible for designing, implementing and governing secure, resilient and scalable IT infrastructure. This role bridges security strategy and infrastructure architecture, ensuring that the VTX platforms, networks and systems are secure by design while supporting business performance, availability and growth.

Main responsibilities

• Architecture and Design
  • Design the end-to-end infrastructure and security architectures across on-prem, cloud and hybrid environments.
  • Define security by design principles and ensure they are embedded in infrastructure solutions.
• Security Architecture
  • Design and maintain security controls across network, identity, endpoint, application and data layers.
  • Define and enforce IAM, network segmentation, encryption and key management strategies.
  • Lead threat modelling, risk assessments and security design reviews.
• Infrastructure & Cloud
  • Architect scalable, highly available infrastructure (compute, storage, networking).
  • Lead cloud security and infrastructure architecture (Azure).
  • Define disaster recovery, backup and business continuity architectures.
• Government & Compliance
  • Ensure alignment with security frameworks (ISO, NIST, Cyber Essentials and others).
  • Support audits, regulatory requirements and compliance initiatives.
  • Define and maintain architectural governance and technical standards.

Knowledge, skills and experience required

• Extensive experience in infrastructure, security engineering, or architecture roles.
• Technical Skills
  • Infrastructure architecture (networking, compute, storage, virtualization).
  • Security architecture and controls.
  • Cloud platforms (Azure, AWS, etc.).
  • Identity & access management (SSO, IAM, MFA).
  • Network security (firewalls, WAF, VPN, zero-trust).
  • Monitoring, logging and incident response integration.
• Certifications (not mandatory) in CISSP, CISM, CCSP, Azure Architect, etc.
• Proven experience designing secure enterprise or cloud-based platforms.
• Architectural Skills
  • TOGAF or equivalent architecture frameworks.
  • Systems thinking and end-to-end design.
  • Risk-based decision making.
  • Documentation and diagramming.
  • Translating business requirements into technical architectures.
• Soft Skills
  • Strong stakeholder communication.
  • Ability to influence without authority.
  • Pragmatic, solutions-oriented mindset.
  • Coaching and mentoring engineers.

What we offer you

We are a Living Wage employer with Invest in People Platinum status and offer a range of benefits:

• A generous company pension – auto-enrolled 4% employee, 10% employer.
• Competitive holiday allowance with an option to purchase additional holidays (varies by grade).
• Group life assurance 4x salary.
• Group income protection.
• VauxteXtra discounts on retailers, cycle-to-work, childcare vouchers, gym membership, cashback on purchase, eye tests and more.
• Employee Assistance Programme – a free service for professional and impartial advice.
• Robust Learning and Development team and opportunities for career progression.
• Performance-based yearly bonus (grade-dependent).
• One day paid volunteering opportunity each year.
• Mentorship programmes.
• Digital health platform (Peppy) and other health services.

Equal opportunity statement

Vaultex UK Ltd is an equal-opportunity employer and welcomes applications from all members of the community, including those with disabilities, culturally or linguistically diverse backgrounds, veterans, and LGBTQIA+. We value your lived experience and knowledge.