Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure.
We are seeking a detail-oriented and proactive security control assurance specialist t o ensure the design, implementation, and ongoing effectiveness of security controls across the organization. This role is critical in validating that security controls meet regulatory, legal, and organizational requirements and are operating effectively to mitigate risk.

The adecuado candidate has strong experience in control testing, audits, and compliance frameworks (e.g., Control Assurance & Testing

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

Assess controls against relevant frameworks (e.g., ISO 27001, NIST CSF, CIS Controls,



SOC 2, NIS2)

Assess control effectiveness across: Design Effectiveness (DE), Operating Effectiveness (OE) and Control Automation (CA)

Ensure controls align with organizational risk appetite and policies

Document control testing results, findings, and risk implications

Maintain control inventories and assurance documentation

Partner with IT, security engineering, and business teams to evaluate controls

Support control owners in remediation planning and execution

Provide guidance on control design and best practices

3–6+ years of experience in information security, IT audit, or GRC

~ Proven experience with security control testing and assurance activities

~ CIS Critical Security Controls

~ Ability to interpret technical controls and translate into business risk

~ ServiceNow GRC, Archer, OneTrust)

Experience with cloud environments (Azure, AWS, GCP) and related controls

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📌 AWS Security Consultant (Madrid)
🏢 Colt Technology Services
📍 Madrid