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.
Why we need this roleWe are seeking a detail-oriented and proactive security control assurance specialist to 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 ideal candidate has strong experience in control testing, audits, and compliance frameworks (e.g., ISO 27001, NIST, SOC 2, NIS2), combined with analytical thinking and stakeholder engagement skillsJoin us and you will be part of a fast-growing community of like-minded experts to grow and learn alongside you in your career. What you will doControl Assurance & TestingPlan and execute control assurance activities, including testing and validation of security controlsDevelop and maintain control testing methodologies, scripts, and proceduresPerform periodic and continuous control monitoring to ensure ongoing effectivenessIdentify control gaps, deficiencies, and areas for improvementCompliance & Risk AlignmentAssess 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)Support regulatory and internal compliance initiativesEnsure controls align with organizational risk appetite and policiesAudit SupportAct as a key point of contact for internal and external auditsProvide evidence, documentation, and walkthroughs for auditorsTrack audit findings and support remediation effortsReporting & DocumentationDocument control testing results, findings, and risk implicationsProduce clear and concise assurance reports for management and stakeholdersMaintain control inventories and assurance documentationStakeholder CollaborationPartner with IT, security engineering, and business teams to evaluate controlsSupport control owners in remediation planning and executionProvide guidance on control design and best practicesWhat we're looking forMust haves:3–6+ years of experience in information security, IT audit, or GRCProven experience with security control testing and assurance activitiesStrong knowledge of one or more frameworks: ISO 27001 / ISO 27002NIST CSF / NIST 800-53SOC 2 / ISAE 3402CIS Critical Security Controls Strong analytical and problem-solving skillsAttention to detail and high level of accuracyAbility to interpret technical controls and translate into business riskExcellent communication and stakeholder management skillsAbility to manage multiple priorities and deadlinesMight haves: Professional certifications such as: CISA, CISM, CISSP, CRISC or equivalentExperience with regulatory requirements (e.g., NIS2, GDPR, SOX)Familiarity with GRC tools (e.g., ServiceNow GRC, Archer, OneTrust)Experience with cloud environments (Azure, AWS, GCP) and related controlsWhat we offer you: Looking to make a mark?
At Colt, you'll make a difference. Because around here, we empower people. We don't tell you what to do. Instead, we employ people we trust, who come together across the globe to create intelligent solutions.
Our global teams are full of ambitious, driven people, all working together towards one shared purpose: to put the power of the digital universe in the hands of our customers wherever, whenever and however they want.
We give our people the opportunity to inspire and lead teams, and work on projects that connect people, cities, businesses, and ideas. We want you to help us change the world, for the better.
Diversity and inclusionInclusion and valuing diversity of thought and experience are at the heart of our culture here at Colt. From day one, you'll be encouraged to be yourself because we believe that's what helps our people to thrive. We welcome people with diverse backgrounds and experiences, regardless of their gender identity or expression, sexual orientation, race, religion, disability, neurodiversity, age, marital status, pregnancy status, or place of birth.
Most recently we have: Signed the UN Women Empowerment Principles which guide our Gender Action PlanTrained 60 (and growing) Colties to be Mental Health First AidersPlease speak with a member of our recruitment team if you require adjustments to our recruitment process to support you. For more information about our Inclusion and Diversity agenda, visit our DEI pages.
BenefitsOur benefits support you through all parts of life, for both physical and mental health.
Flexible working hours and the option to work from home.
Extensive induction program with experienced mentors and buddies.
Opportunities for further development and educational opportunities.
Global Family Leave Policy.
Employee Assistance Program.
Internal inclusion & diversity employee networks. A global networkWhen you join Colt you become part of our global network. We are proud of our colleagues and the stories and experience they bring – take a look at 'Our People' site including our Empowered Women in Tech.
Security control assurance specialist in London employer: Colt Telecom
Colt is an exceptional employer that empowers its employees to thrive in a dynamic and inclusive work environment. With a strong focus on personal and professional growth, Colt offers flexible working hours, opportunities for further development, and a supportive global network. By joining Colt, you will be part of a diverse team dedicated to driving innovation and delivering impactful solutions for multinational enterprise customers.
