Tech lead - vulnerability management

Colt Technology
London

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.

Wy we need this role

We are seeking a dynamic and motivated Vulnerability Management Lead to join our rapidly growing program. The ideal candidate will blend cybersecurity expertise with technical analytical skills to support diverse operational needs. The Vulnerability Management Lead will play a crucial role in tracking and managing the identification, assessment, and remediation of security vulnerabilities across the organization’s infrastructure and monitoring and reporting on vulnerability and other security compliance status. The role requires collaboration with various partners to ensure that vulnerability assessments and emerging threats are prioritized and advanced. Additionally, the successful candidate will work with management to continuously evolve the vulnerability management program.

What you will do

You will be responsible for supporting CSOC in order to achieve the below:

  • The development and implementation of the Colt Vulnerability Management Framework.
  • Enhancing the scope and efficiency of current vulnerability scanning and management tools and integration between them.
  • Design and manage the periodic penetration testing exercise.
  • Collaborating with identified stakeholders to provide specialist guidance and support, ensuring effective vulnerability identification, prioritisation and remediation activity definition.
  • Perform Vulnerability scans using Vulnerability Management tool
  • Responsible for working with leading team to assist with understanding threat data and vulnerabilities found on client’s network
  • Prepare and send error free Vulnerability Management reports to respective stakeholders
  • Send scan notification and completion emails as per defined timelines.
  • Configuration of vulnerability scans and reporting
  • Troubleshooting in case of scan failures or tool-based issues
  • Identify false positive and connect with vendor and support teams to resolve it
  • Drive remediation connects with multiple stake holders / resolver groups
  • Understand the Vulnerability in depth and prioritize it
  • Identify vulnerabilities, misconfigurations and weaknesses of systems, applications and data contained within the Colt network and suggest remediation / mitigation plan
  • Monitoring, reporting and where required, supporting, the implementation of remediation plans to ensure vulnerability mitigation efforts are proceeding as required.
  • Ensure remediation activities are in alignment with the business objectives and risk management framework
  • Keep track of new vulnerabilities on various network and security devices for different vendors
  • Review software posture and work with operations to plan code version upgrade requirements of supported security and network devices

What we're looking for

  • Self-driven individual with vulnerability management function experience.
  • Proven experience with products dealing with vulnerability management services which include - Rapid7, Qualys, Nessus etc.
  • Strong understanding on Windows systems, Linux systems
  • Strong understanding on Networking
  • Should have completed certifications like CEH, ECSA or other equivalent security certifications
  • Degree in Information Technology, Engineering or similar
  • In-depth knowledge of and experience in security concepts such as cyberattacks and techniques, risk management, incident management, threat management, etc.
  • Depth insight on all latest vulnerabilities and highlight the risk to client environment
  • Proficient in preparation of reports, dashboards and documentations.
  • Knowledge /Experience of security technologies such as Cisco/Juniper Firewalls, Application Firewalls, IPS, SIEM, Proxy, NAC, etc.

Skills

Network Protocols

Cyber Security Tools/Products

Cyber Security Policy Management

Cyber Security Planning

Cyber Security Risk Management

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.

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.

Posted 2026-02-27

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