IT Vacancies

Network Security Engineer


Job Details
  • Job Location: City of London, London
  • Job Type: Contract
  • Working Arrangement: Hybrid
  • Salary: £550 - £600 per day
Job Description

Network Security Engineer – Purdue

3 months +

Hybrid (1-2 days per month onsite in London)

My client is currently seeking a Network Security Engineer to come on board to represent the business as their ‘Purdue Champion,’ this role focuses on leading supplier teams in assessing the current network architecture across all production sites. Key responsibilities include establishing a Purdue-compliant target architecture, implementing Quick Wins to mitigate vulnerabilities, and ensuring client approval for all deliverables. The role also serves as a critical technical contact, managing and resolving issues related to network access and system performance or escalating them as needed.

Key skills –

  • In-depth expertise in network security, with a focus on IT/OT environments.
  • Comprehensive knowledge of the Purdue model architecture and network segmentation principles.
  • Proven ability to lead technical teams and foster collaboration with internal and external stakeholders.
  • Extensive experience delivering large-scale network security projects, from design through implementation.
  • Skilled in managing technical deliverables, change control processes, and documentation approvals.
  • Exceptional communication and presentation skills, with a track record of engaging stakeholders at all levels effectively.

Key responsibilities –

  • Technical Leadership & Network Security
  • Serve as the client’s primary technical point of contact for suppliers and internal teams.
  • Lead technical and design assessments to ensure alignment with the supplier’s scope of work.
  • Offer expert advice and consultancy on network security as required.
  • Define, review, and approve key technical documents, including designs, change requests, and post-implementation reports.
  • Chair the LLD Review Board with decision-making authority for site-specific designs.
  • Present final project outcomes to stakeholders designated by the client.

Interested? Please submit your updated CV to Olivia Yafai at Crimson for immediate consideration.

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Crimson is acting as an employment agency regarding this vacancy

My name is Olivia Yafai,
and I manage this role.


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