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Information Security Assurance Analyst

Job in Portsmouth, Hampshire County, PO5, England, UK
Listing for: Tria
Full Time position
Listed on 2026-01-23
Job specializations:
  • IT/Tech
    Cybersecurity, IT Consultant, Information Security
Salary/Wage Range or Industry Benchmark: 50000 - 55000 GBP Yearly GBP 50000.00 55000.00 YEAR
Job Description & How to Apply Below
Information Security Assurance Analyst

Up to £55,000 per annum

2x per month on site - Portsmouth

We have a brilliant opportunity to join an industry-leading utility company based in the Southeast. They are going through a period of growth, undergoing multiple digital, and tech transformations. As a UK Critical National Infrastructure provider, Information Security is an integral part of their business operation, so this role is critical to the business.

We are looking for an Information Security Assurance Analyst who will 'fly the flag' for Information Security, providing assurance to the leadership team regarding the design and operating effectiveness of IT security controls within future IT projects and implementation. You will be responsible for reviewing and identifying security control gaps in design documents, providing recommendations for amendments and mitigation.

We are looking for:

Strong experience of performing threat modelling exercises

Experience of reviewing high/low level architecture definition documents for compliance against security policies and standards
Knowledge of technology risk and controls including relevant tools and techniques
Good understanding and practical experience of Cyber Security Frameworks including NCSC CAF, NIST and ISO 27001
Must have at least 2 years' cyber security experience.
Excellent communication skills with the ability to deal with conflicting priorities.

In turn, we can offer you:

The opportunity to work in a highly skilled team, with exposure to OT technologies.
Salary sacrifice pension scheme.
25 days holiday + Bank Holidays.

You will need to be eligible for SC Clearance/have an active SC Clearance to be considered for this role.

There couldn't be a more exciting time to join this organisation while they take huge steps to decarbonise their network and modernise and innovate like never before. If this sounds of interest, please apply today
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