IT Security Architect - Hybrid - London

W Talent; Greater London; Hybrid; GBP 54,000 - 90,000; Full time

Job summary

W Talent in London is seeking a Lead Security Architect to champion a modern security posture across complex financial services environments. The role blends hands-on architecture with governance, strategy, and stakeholder leadership to deliver secure designs and multi-team programs.

You will influence senior stakeholders, translate frameworks (NIST, MITRE ATT&CK, ISO 27001) into actionable roadmaps, and mentor teams in secure-by-design delivery while working in a flexible hybrid setup.

Qualifications

• Security architecture strategy and guardrails across projects.
• Secure-by-design delivery incorporating policy and standards.
• Architecture governance with design reviews and signoffs.
• Leadership of virtual or direct teams and trusted advisor to senior stakeholders.

Responsibilities

• Champion a modern security posture with measurable reduction of attack surface.
• Define and evolve security patterns, principles, standards, and roadmaps.
• Embed controls across discovery, design, build and delivery.
• Act as senior architectural voice for high‑impact initiatives.
• Drive design reviews and governance across the enterprise.
• Collaborate across Technology and business domains to translate strategy into designs.
• Partner with Assurance to land the right controls at right stages.
• Communicate complex security choices clearly to stakeholders.

Skills

Security architecture

Threat modelling

Stakeholder leadership

Documentation

Tools

NIST framework

MITRE ATT&CK

ISO 27001

Job description

I am recruiting for a Lead Security Architect for our very well established client within the Financial Services industry.

This position offers a flexible hybrid role, where you will only need to attend site approx. 50% of the time, with flexibility on working hours.

Lead Security Architect

Permanent

Location: London - Hybrid working model

Salary: to £90,000 + Good Benefits

• Champion a modern security posture - threat informed and focused on measurable reduction of attack surface.
• Security architecture strategy & guardrails – define and evolve the security patterns, principles, standards, and roadmaps that guide projects and platforms.
• Secure-by-design delivery – partner with solution architects, SMEs and delivery teams to embed controls and use threat-led thinking throughout discovery, design, build, and delivery; ensure designs meet policy and technical standards.
• Act as senior architectural voice for high impact initiatives, aligning security capabilities to business outcomes and risk profiles, and shaping option analysis with clear trade-offs.
• Architecture governance – drive effective design reviews and signoffs; document how solutions interact with the wider enterprise and ensure compliance with our delivery and assurance frameworks.
• Cross-Technology influence – collaborate across Technology and business domains to translate strategy into target designs, balancing resilience with productivity and simplification.
• Partner with our Assurance team to land the right controls at the right stages, ensuring risk is actively surfaced and owned.
• Communicate complex security choices simply - at meetings/workshops, in option papers, and roadmaps that influence senior stakeholders and unblock decisions.
• Breadth and depth in IT/security architecture, with a track record delivering secure designs and steering multiteam programmes.
• Stakeholder leadership—comfortable influencing senior leaders and guiding engineers/SMEs; strong documentation and communication skills.
• Knowledge of well-known Frameworks (e.g., NIST, MITRE ATT&CK, ISO 27001) and the ability to apply them pragmatically within delivery.
• Team leadership experience either as a virtual team or direct line management experience.