Colt Technology Services
Consultant - Security
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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 role
We’re growing our capability to deliver modern, cloud-based security services. Customers are accelerating adoption of SSE/SASE, Zero Trust, and secure network transformation, and we need a consultant - security who can guide them with strong technical depth and governance oversight. This role ensures our solutions are secure, scalable, compliant, and aligned with industry frameworks while strengthening customer trust and internal expertise.
What you will do
Pre-Sales and Architecture
- Lead technical pre-sales for SSE/SASE, Zero Trust, SD-WAN security, and cloud-delivered security.
- Translate customer requirements into secure architectures and produce high-quality design artefacts.
- Support RFPs, workshops, and bid activity with expert security input.
- Advise on SWG, CASB, ZTNA, DLP, and cloud firewalling.
Delivery and Technical Assurance
- Oversee secure implementation of SSE/SASE and network security solutions.
- Validate configurations and conduct assurance reviews across firewalls, SD-WAN, cloud controls, and identity-based access.
- Provide guidance on hardening, secure configuration, and troubleshooting.
Governance, Risk and Compliance
- Apply GRC principles across designs and deployments.
- Review and improve customer security policies and standards.
- Perform risk assessments, threat modelling, and compliance gap analysis.
- Advise on ISO 27001, NIST, PCI DSS, and GDPR.
Threat and Vulnerability Management
- Interpret threat intelligence and guide remediation strategies.
- Support patching, OS hardening, and configuration management.
- Assess vendor advisories and emerging threats.
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Stakeholder Engagement
- Act as a senior advisor to internal teams and customers.
- Communicate complex security concepts to technical and executive audiences.
- Provide updates on risks, posture, and improvement opportunities.
What we're looking for
Technical Skills
- Hands-on experience with SSE/SASE platforms (Zscaler, Netskope, Prisma Access, Cisco SSE).
- Strong understanding of Zero Trust and identity-centric security.
- Experience with SWG, CASB, ZTNA, DLP, cloud firewalling.
- Expertise in firewalls (Palo Alto, Cisco ASA, Check Point) and SD-WAN security.
- Knowledge of NAC, IDS/IPS, DDoS, segmentation, encryption, and cloud security (AWS/Azure/GCP).
- Experience with vulnerability management, secure configuration, and incident response.
General Requirements
- Strong communication and presentation skills.
- Ability to work independently and manage multiple priorities.
- Experience with enterprise customers and senior stakeholders.
- Willingness to travel within the UK and Europe.
- High integrity and strong decision-making.
What 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.
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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 inclusion
Inclusion 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 Plan
- Trained 60 (and growing) Colties to be Mental Health First Aiders
Please 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.
Benefits
Our 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 network
When 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.
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Jessica, London
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