Devoteam Cyber Trust |Cybersecurity & Customer Success Manager | Telecom Sector

Devoteam Cyber Trust is the Cybersecurity specialist arm of the Devoteam Group. With our 800+ experts located across EMEA, we aim to establish cybersecurity as an enabler of business success rather than a gatekeeper. We leverage an end-to-end approach to Cyber Resilience, Applied Security, and Managed Security services to secure the tech journey of large and medium-sized companies from all sectors and industries.

Since 2009, previously known as INTEGRITY, our team based in Portugal is specialised in providing cutting-edge Managed Security Services that combine its expertise and proprietary technology to consistently and effectively reduce the cyber risk of our clients.

The comprehensive service range includes Persistent Intrusion Testing, ISO 27001, PCI-DSS, GRC Consulting and Solutions, and Third-Party Risk Management. ISO 27001 (Information Security) and ISO 9001 (Quality) certified, PCI-QSA, and member of CREST and CIS - Centre for Internet Security, we provide services to a considerable number of clients, operating in more than 20 countries.

We are looking for a highly experienced Cybersecurity & Customer Success Manager to lead end-to-end service delivery for key clients within the IT and Telecom sector.

You will ensure client satisfaction, manage IT security and infrastructure services, and lead multidisciplinary teams in a fast-paced and critical environment.

This role is part of our Customer Success Office in Lisbon, supporting a major telecom operation.

Key Responsibilities

 

• Coordinate customer success strategies across IT and cybersecurity service areas.

• Manage client relationships, ensuring high levels of satisfaction and service excellence.

• Oversee the operation and improvement of IT infrastructure, including preventive measures and incident response.

• Lead and support teams in achieving service-level objectives (SLOs) and performance goals.

• Act as the main point of contact for escalations and strategic service discussions.

• Ensure compliance with security protocols and participate in audits or certifications (e.g., GNS).

• Collaborate cross-functionally with engineering, operations, and security teams to deliver tailored solutions to clients.

• Minimum of 8 years of experience in IT Management and/or Cybersecurity.
• Bachelor’s degree in Computer Engineering or a related field.
• GNS certification (or equivalent).
• Proven leadership experience with strong team management skills.
• Deep knowledge of IT infrastructure (networks, systems, protocols, etc.).
• Strong client management and stakeholder communication abilities.
• Ability to handle pressure, multitask, and maintain emotional control in high-demand situations.

What we offer:

• Professional development and monitoring talent;
• Commitment to our employees' development;
• Collaboration in a company that is constantly growing and evolving;
• Strong organisational culture: collaboration, sharing, flexibility, integrity and low ego.

Would you like to join our team? Then send your CV.

The Devoteam Group works for equal opportunities, promoting its employees based on merit and actively fights against all forms of discrimination. We are convinced that diversity contributes to the creativity, dynamism and excellence of our organization. All of our vacancies are open to people with disabilities.