Remote (Country)

Twinstream is hiring an Information Security Manager

About the Role

TwinStream is looking for a hands-on Information Security Manager to own our governance, risk, and compliance (GRC) programme. This mid-to-senior role involves managing our Information Security Management System (ISMS), ensuring policy adherence, and promoting a positive security culture across the business.

What You'll Do

  • Manage information security incidents and security risks across the organisation.
  • Own and maintain the Information Security Management System (ISMS), including creating and updating policies, procedures, and guidance.
  • Ensure adherence to information security policies and standards.
  • Drive a programme of continuous information security improvement.
  • Embed and promote a positive security culture across the business.
  • Ensure compliance with relevant certifications and regulatory requirements, including ISO 27001, Cyber Essentials Plus, UK GDPR/Data Protection Act, and MOD CSM v3 and v4.
  • Plan and coordinate security audits (internal, external, customer, and penetration testing), managing evidence collection and tracking findings through to resolution.
  • Provide information security expertise to projects, services, and business initiatives, including developing or contributing to Security Management Plans.
  • Design and deliver information security training and awareness activities.
  • Contribute to Business Continuity, Disaster Recovery, and internal audit activities.
  • Act as the primary point of contact for information security across TwinStream.

What We're Looking For

  • Proven experience in an Information Security Manager or similar role, including security incident management, risk management, security governance, and providing practical information security guidance.
  • Experience embedding information security into the design, development, and delivery of software-based solutions, including secure development practices, cloud services, and integrated platforms.
  • Strong understanding of recognised information security frameworks and certifications, particularly ISO 27001 and Cyber Essentials Plus.
  • Good knowledge of relevant UK legislation and regulatory requirements.
  • Comfortable working remotely (within the UK) in a flexible, fast-paced environment.
  • Strong organisational skills with the ability to manage priorities effectively.
  • Excellent written and verbal communication skills, with the ability to tailor messaging for different audiences.
  • Ability and willingness to undergo UK Security Clearance (minimum SC level).

Nice to Have

  • Relevant professional certifications such as CISSP (highly desirable), CISM, or ISO 27001 Lead Implementer/Auditor.
  • Experience in information security roles within the UK defence sector, national security sector, or other highly regulated industries.
  • Existing UK Security Clearance (SC).
  • Familiarity with MOD security frameworks, including CSM v3 and v4, IPSA, and FSC.
  • Experience using the Atlassian suite, particularly Jira.
  • Demonstrated experience in managing security incidents and leading incident response teams.
  • Ability to present and be the focal point for security matters across the business.
  • Experience in supporting the security controller role in various security frameworks.
  • Understanding of insider threat operational and governance requirements, and experience in applying them.

Team & Environment

You will work independently, owning day-to-day information security activities without line management responsibilities.

Benefits & Compensation

  • Compensation: £70,000 to £80,000
  • Pension Plan with 8% employer contribution.
  • Private Medical Healthcare including dental and optical care for you and your family.
  • Learning and Development autonomy.
  • Flexible Working culture.
  • Electric Vehicle Scheme via salary sacrifice.
  • 28 days annual leave plus bank holidays.
  • Team Events including quarterly meetings, Christmas and summer parties.
  • Life assurance.
  • Cycle-to-work scheme.

Work Mode

This is a fully remote role open to candidates based within the UK.

At TwinStream, we celebrate diversity and are committed to fostering an inclusive environment where all individuals are valued and respected.

Required Skills
Information Security ManagementRisk ManagementSecurity Frameworks (ISO 27001, NIST)Security AuditsIncident ResponseSecurity Awareness TrainingPolicy DevelopmentVendor Security ManagementCloud SecurityData ProtectionComplianceStakeholder Management
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About company
Twinstream

TwinStream consolidates technical expertise to solve complex cross-domain problems for government organisations, providing technical excellence and exceptional service to clients.

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Job Details
Category security
Posted 2 months ago