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Interim Security Architect

Interim Security Architect

Remote

England, United kingdom

£ 90 /hour

Freelance

21-12-2025

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Skills

Encryption Architecture Security Architecture

Job Specifications

Interim Security Architect – Remote – Outside IR35 - £550-£700 p/d – 3-6 months initial

Looking to speak with Interim Security Architects experienced in embedding security into solution designs and project delivery for prioritised business projects, while also acting as a technical BISO to support business partnering. Ideal for architects who have operated in complex environments as part of security maturity uplift programmes, covering a broad spectrum of business and technology projects.

The following expertise is essential:

1. Security Architecture

- Defining principles and patterns aligned with policies and standards

2. Secure-by-Design

- Apply secure design principles, define controls, and produce security NFRs

3. Consulting & Advisory

- Advise on security controls, authentication, encryption, and assurance

4. Collaboration

- Partnering with IT teams and act as SME on security architecture

- Bringing IT teams on the journey

5. Microsoft Security Stack (E5)

6. Security Maturity Uplift Programmes

- Greenfield experience

⏳ Initial Term: 3-6 months

⏱ Start Date: Mid-January

Location: Remote

Rate: £600-£700 Outside IR35

Please send the following to ashlee.harris@lafosse.com to be considered:

1. CV

2. Minimum day rate requirement (Outside IR35)

3. Availability

4. Location

5. Detailed experience in the 6 areas listed above

Recommendations / referrals welcome!

BR,

Ash

About the Company

La Fosse is on a mission to help our customers achieve their ambitions, working by their side to create a total talent solution from the classroom to the boardroom. Our vision is simple: to lead by example to achieve a change in the standards of care within our industry. We partner with our customers to build solutions for their business and people challenges, leveraging our recruitment, academy, solutions, and executive search offerings. Our expert teams work at all levels on a permanent, contract, interim, and executive ... Know more