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About the Role

Act as the trusted operational partner for enterprise customers using managed cyber security services. Own service governance, customer success, continual improvement, and major incident coordination to strengthen customer security posture and ensure exceptional service delivery. This role combines cyber security expertise, customer engagement, and service leadership across SOC, SIEM, MDR, threat intelligence, and incident response services.

Responsibilities

Act as the primary customer contact for managed cyber security services.
Lead service reviews, governance meetings, and operational forums with technical and executive stakeholders.
Ensure services are delivered in line with contractual commitments, SLAs, and customer expectations.
Translate complex security data into meaningful business insights, recommendations, and executive reports.
Drive Customer Success Plans and Continuous Service Improvement initiatives.
Monitor service performance across SOC, SIEM, MDR, EDR/XDR, vulnerability management, and threat intelligence services.
Coordinate the response to major security incidents, managing communications, escalations, and stakeholder engagement.
Identify security risks, trends, and opportunities to improve customer security maturity.
Partner with technical, commercial, and solution teams to enhance service quality and customer outcomes.
Support service growth and retention by identifying opportunities to deliver additional value.

Requirements

5+ years' experience in a Security Manager, Service Delivery Manager, Cyber Operations Manager, SOC Manager, or similar customer-facing cyber security role.
Strong understanding of managed cyber security services, including SOC, SIEM, MDR, EDR/XDR, threat intelligence, vulnerability management, and incident response.
Experience managing enterprise or multinational customer relationships within a cyber security or managed services environment.
Proven ability to lead customer service reviews, governance meetings, and executive stakeholder discussions.
Experience managing escalations, major incidents, and post-incident improvement activities.
Strong analytical skills with the ability to interpret security data and produce actionable recommendations.
Experience producing executive reports, security performance updates, risk summaries, and service improvement plans.
Knowledge of cyber security frameworks and standards such as ISO 27001, NIST, PCI-DSS, and GDPR.
Experience working within a Managed Security Service Provider (MSSP) environment.
CISSP, CISM, CCSP, CRISC, or equivalent cyber security certifications.
ISO 27001 Lead Implementer, Lead Auditor, or ISO 27005 certifications.
ITIL certification.
GIAC, CREST, or vendor-specific certifications within SIEM, EDR/XDR, or cloud security technologies.
Experience supporting service growth, commercial discussions, and customer success programs.

Skills

Cyber Security
Service Delivery Management
SOC
SIEM
MDR
EDR/XDR
Threat Intelligence
Vulnerability Management
Incident Response
Customer Relationship Management
Service Governance
Stakeholder Engagement
Risk Management
ISO 27001
NIST
PCI-DSS
GDPR
CISSP
CISM
CCSP
CRISC
ISO 27001 Lead Implementer
ISO 27001 Lead Auditor
ISO 27005
ITIL
GIAC
CREST

Location

UK&I

Work Type

Full time

Experience Level

5+ years' experience

Education Level

CISSP, CISM, CCSP, CRISC or equivalent cyber security certifications
ISO 27001 Lead Implementer, Lead Auditor or ISO 27005 certifications
ITIL certification
GIAC, CREST or vendor-specific certifications within SIEM, EDR/XDR or cloud security technologies

About the Company

Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities.
We serve more than 5.5m customers every day in over 175 countries, with a global ecosystem of market-leading partners.
Global strategic hubs: Spain, Brazil, the UK, Germany.
The Telefónica Tech UK&I hub has an end- to-end portfolio of market leading services and develops integrated technology solutions to accelerate digital transformation through: Cloud, Data & AI, Enterprise Applications, Workplace Services and Cyber Security & Networking.
Values: Open, Trusted and Bold
Trusted Partners: Microsoft, HPE, Palo Alto & Crowdstrike, Fortinet, AWS.

Equal Opportunity

At Telefónica Tech, we believe inclusion is the bridge that empowers everyone to be their authentic selves. We celebrate and respect our differences because diversity drives innovation and makes us stronger.
Be yourself with us, and feel that you belong.
We welcome applicants from all backgrounds and identities regardless of age, disability, gender reassignment, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sex, and sexual orientation.
We are also committed to equity, accessible hiring practices, and creating an inclusive culture through many means including TogetHer (Women's network) and our Employee Resource Groups which include Diversity and Inclusion, Telefónica Tech Pride, Neurodiversity, ELEVATE (African and Caribbean heritage network), and Sustainability.
We don’t believe hiring is a tick box exercise, so if you feel that you don’t match the job description 100%, but would still be a great fit for role, please get in touch.