Experis

Senior OT Cyber Security Consultant

n/a DH1 1AB

Key information

Pay
£70,000 to £90,000 a year
Hours
Full-time
Contract
Permanent
Posted date
21 Oct 2026
Closing date
28 Oct 2026

About this role

Senior OT Cyber Security Consultant

£70,000 to £90,000 | Home-based, UK-wide | Permanent

We're hiring for a specialist industrial cyber security consultancy that works with critical national infrastructure and manufacturing clients across the UK and abroad. They have more work than people, so this is a senior hire to lead client engagements from day one.

What you'll be doing

  • Leading OT cyber risk assessments on client sites, which is around 80% of the role
  • Carrying out site surveys across ICS, SCADA, DCS and wider OT environments
  • Building improvement roadmaps and security programmes to move clients from low maturity to a secure, resilient state
  • Applying standards such as IEC 62443, NCSC CAF, NIST SP 800-82 and HSE OG86 to real industrial environments
  • Working with the sales team on follow-on opportunities and proposals
  • Getting involved in implementing countermeasures if you want to (optional, as there's an in-house engineering team)

What you'll need

  • Experience

leading OT cyber risk assessments, not just taking part in them

  • Ideally, consultancy experience. Strong end-user candidates from CNI sites will also be considered
  • A solid grounding in

OT security

PLCs, RTUs, SCADA, DCS, industrial protocols, network security and countermeasures

  • Experience in at least one industrial sector, such as energy, water, chemicals, oil and gas or manufacturing
  • The confidence to lead client engagements and act as the expert on site
  • Clear, accurate report writing and close attention to detail

Nice to have

  • IEC 62443 experience or certifications (fully funded training is provided if not)
  • CISSP, CySA+ or NCSC Chartered status

The package

  • £70,000 to £90,000 depending on experience
  • 5% of salary towards training and certifications each year
  • Salary reviews every six months, with a clear skills matrix for progression
  • Home-based, with site visits once or twice a month (usually 3 to 5 days, scheduled within working hours where possible)
  • Flexible working hours, with all expenses covered
  • Pension and the option to buy extra holiday

If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website.