Security Controls Assurance Expert

Colt Technology Services Group Ltd.; Greater London; Remote; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Flexible working hours

Option to work from home

Mentors and buddy system

Development opportunities

Job summary

Colt Technology Services Group Ltd. is seeking a detail-oriented security control assurance specialist to ensure the design, implementation, and ongoing effectiveness of security controls across the organization. The role emphasizes testing, audits, and compliance with ISO 27001, NIST, SOC 2, and NIS2.

You will collaborate with IT and business teams to assess controls, support remediation efforts, and provide clear assurance documentation for management and auditors.

Qualifications

• 3–6+ years in information security, IT audit, or GRC.
• Experience with security control testing and assurance activities.
• Knowledge of ISO 27001, NIST CSF, CIS Controls, SOC 2, NIS2.

Responsibilities

• Plan and execute control assurance activities, including testing and validation of security controls.
• Develop and maintain control testing methodologies, scripts, and procedures.
• Perform periodic and continuous control monitoring to ensure ongoing effectiveness.
• Identify control gaps, deficiencies, and areas for improvement.
• Act as a key point of contact for internal and external audits.

Skills

Security testing

Control assurance

Analytical thinking

Stakeholder management

Tools

ServiceNow GRC

Archer

OneTrust

Job description

Colt Technology Services Group Ltd. is seeking a detail-oriented security control assurance specialist to ensure the design, implementation, and ongoing effectiveness of security controls across the organization. The role emphasizes testing, audits, and compliance with ISO 27001, NIST, SOC 2, and NIS2.

You will collaborate with IT and business teams to assess controls, support remediation efforts, and provide clear assurance documentation for management and auditors.