Cyber Security Senior Analyst
Who we are?
We are o2/Telefónica – with our mobile brands we connect millions of people and offer our customers mobile freedom in the digital world. As a leading telecommunications provider, we are also playing a key role in shaping digitisation in Germany. Our fixed and mobile networks form the backbone for the digital transformation of the economy and society. And our approximately 8,000 employees in Germany drive the transformation forward every day – in our own company as well.
Telefónica is one of the top employers in Germany and is part of the global telecommunications group Telefónica S.A. with 114,000 committed employees worldwide.
You too can become part of our unique team and let us make a difference together!
Objective of this job: As a Senior Security Analyst you will be a technical lead responsible for monitoring and investigating anomalous network activity and alerts, participating in triage/mitigation of threats, and threat hunting to develop new use cases to improve the overall Security Monitoring capability, in addition to guiding and steering MSSPs activities and their interfaces with the Cyber Defense Center team.
What are your challenges with us?
- Monitoring and investigation of Indicators of attacks from various sources (User Reported, SIEM etc.)
- Ticket handling, responsibility for contacting both business and customers
- Working with other internal Teams for evidence gathering and helping with Ad-hoc requests
- Performing advanced investigations and proposing proactive measures of protection
- Provide guidance and direction to the MSSP Service
- Ability to generate reports and guide analysts
- Monitoring and analysis of alerts and anomalous network activity
- Threat hunting in pursuit of additional use cases and leverage threat intelligence to tune tools and alerts
- Present incident briefs and new use cases to leadership
- Mentor Tier-1 Analysts
- Being on call if necessary and also working on 24X7 shifts if required
What are you bringing?
- Bachelor’s degree in Computer Science / Information Technology or equivalent experience
- Relevant industry-recognized security certifications from SANS, EC-Council, ISACA, etc.
- 8+ years of experience in information security fields (e.g. security architecture, security engineering, and security operations).
- 4+ years of experience in cyber security event analysis in large corporate environments as part of a Cyber Threat Detection or Incident Response function
- Broad familiarity with security technologies that provide discovery, assessment, detection, analysis, and response services
- Extensive knowledge and experience with creation of security use-cases, security alerting and supporting processes
- Extensive background with security analysis related technologies such as SIEM, SOAR, case management, scanning tools, etc.
- Experience dealing directly with senior stakeholders – Directors and VP level
- Strong understanding of cybersecurity-related regulations
- Strong understanding of enterprise-level information systems and technology architectures, expertise in network security, cryptography, virtualization and cloud security
- Excellent time management skills, organization skills and ability to manage multiple priorities
- Being able to work with a diverse set of stakeholders in the organization from technical through board level
- Strong written and verbal communication in English and/or in Germany
- Understanding of crisis management, business continuity and disaster recovery plans and procedures
- Ability to review, edit, and manage business critical documentation, requiring strong written and verbal communication skills
- Ability to understand technical topics and presenting them to management level executives
- Strong track-record of managing performance to deliver against challenging KPIs and continuous improvement initiatives