Telefonica Tech
Security Engineer
Remote Cybersecurity role with clear candidate location fit.
PostedJul 2, 2026
Eligible countries38 accepted countries
Seniority signalSenior
Work settingRemote
Accepted candidate locations
Role overview
Security Engineer
Requirements and responsibilities
Readable role content extracted into sections for faster review.
Security Engineer - Manchester, Flexible Working
- Design, deploy, and maintain security infrastructure including firewalls, intrusion detection systems, and security information and event management (SIEM) platforms
- Conduct vulnerability assessments and penetration testing to identify security weaknesses in systems and networks
- Analyze security logs and alerts to detect and investigate potential security incidents and threats
- Develop and implement security policies, procedures, and hardening standards to ensure systems meet organizational and regulatory requirements
- Respond to security incidents by analyzing root causes, containing threats, and implementing remediation measures
- Perform risk assessments to evaluate potential security threats and recommend mitigation strategies
- Collaborate with IT and development teams to integrate security best practices into system design and deployment processes
- Monitor and evaluate emerging security threats and technologies to recommend improvements to the security posture
- Document security configurations, incidents, and resolutions to maintain organized and comprehensive security records
- Support compliance initiatives by ensuring systems adhere to relevant security standards and frameworks
Required Skills and Experience
- Proven experience in network security, system security, or information security roles
- Strong knowledge of security protocols, architectures, and best practices
- Hands-on experience with security tools and technologies (firewalls, IDS/IPS, SIEM, vulnerability scanners)
- Proficiency in analyzing and interpreting security logs and network traffic
- Solid understanding of operating systems (Windows, Linux) and network fundamentals
- Experience with vulnerability assessment and penetration testing methodologies
- Knowledge of security compliance frameworks and standards (ISO 27001, NIST, PCI-DSS)
- Strong analytical and problem-solving skills with meticulous attention to detail
- Excellent organizational and documentation skills
- Ability to work efficiently under pressure and manage multiple priorities
Preferred Skills and Experience
- Security certifications such as CISSP, CEH, Security+, or GIAC
- Experience with cloud security platforms and technologies
- Knowledge of scripting or programming languages (Python, Bash, PowerShell)
- Familiarity with security automation and orchestration tools
- Experience in incident response and digital forensics
- Understanding of secure coding practices and application security
- Knowledge of threat intelligence and advanced persistent threat (APT) analysis
Trusted Partners:
- Microsoft: Top 3 Service Providers, Azure Expert Status, Fastrack & Inner Circle Partner
- HPE: Platinum Partner – FY23 UK&I Solution Provider of the Year
- Palo Alto & Crowdstrike: part of our NextDefense Cyber Security Portfolio
- Fortinet: Elite VIP Program – one of only 2 in the UK
- AWS: Advanced Solution & Managed Service Provider Program
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