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CDS & Data Labelling Specialist @ ByDesign Secure

GBOnsiteTemporary
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About this role

Salary: £120,000 - 140,000 per year

Requirements

  • We require candidates to hold UK citizenship and active SC/DV clearance for work in secure environments.
  • Were looking for at least 5 years of experience in data protection, Data Classification Suite (DCS), and cross-domain solution deployment.
  • Candidates should have hands-on knowledge of Fortra Data Classification Suite (DCS), Data Loss Prevention (DLP), COTS cross-domain solution guard appliances, and content inspection and labelling.
  • Candidates should have experience working without direct internet connectivity and in highly regulated or classified environments.
  • Strong communication skills and written communication sufficient to produce high-quality design outputs are required.
  • Candidates must be willing and able to attend on-site in London or Bristol when required, typically around 3 days per week.
  • Additional experience with government classified systems or secure data centres, AI technologies in cloud environments, NCSC guidance, UK Government cloud policies, cross-domain architectures, cloud certifications, or existing DV clearance is advantageous.

Responsibilities

  • Serve as a subject matter expert in data classification, DLP policy enforcement, and COTS cross-domain hardware guard configuration.
  • Configure Fortra Data Classification Suite (DCS) for visual marking and metadata labelling across documents and communications.
  • Define and tune DLP inspection policies and connecting software rules.
  • Configure COTS cross-domain hardware appliances, sanitisation pipelines, and release filter rules.
  • Support a model office environment used to demonstrate capabilities to end users and facilitate rapid feedback.
  • Operate and maintain solutions in disconnected, air-gapped, and security-sensitive environments, ensuring compliance with organisational security requirements.
  • Collaborate with architecture, security, and engineering teams to deliver solutions aligned with enterprise standards and best practices.
  • Develop and maintain technical documentation, including HLDs, CLDs, LLDs, operational procedures, and support runbooks.
  • Produce and present technical designs, implementation plans, and service improvements through governance and Technical Design Authority processes as required.

Technologies

  • AI
  • Cloud
  • Hardware
  • Support
  • Security

More

We are ByDesign Secure, an independent, outputs-based consultancy focused on complex data assurance challenges in the UK public sector. Were working on a landmark transformation of a cross-government secure IT system, including engineering a private cloud environment and modernising end-user services. Our lean, expert team values autonomy and high-impact technical outcomes over rigid hierarchies or billing by the hour. This role is part of a multi-year transformation programme delivering strategically significant government systems. We offer work on nationally significant projects, long-term programme stability, and career growth. The position is temporary or fixed-term, outside IR35, with day rates of £600–£700. The role is hybrid remote in London or Bristol, with Bristol preferred.

last updated 46 week of 2026

Skills

UK citizenshipSC/DV clearanceFortra Data Classification Suitedata loss preventionCOTS cross-domain solutioncontent inspectionlabelingNCSC guidanceUK Government cloud policiescross-domain architecturescloud certificationartificial intelligence technology

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