We are seeking a Senior Information Systems Security Specialist to work within the Defence sector. Location: Hybrid working- Aldermaston Essential Skills: The ideal candidates will hold Active SC clearance and have a proven Information Security background, with the following skills/ experience: Experience of security assurance and the measurement of controls. Experience of IT Security documentation (policies, standards, processes, procedures and patterns). Experience of IT Health Check and Vulnerability Assessments Experience of risk and threat modelling. Qualifications: accreditation/assurances CISM/XCCP/ISO 27001