Cyber Security Defender (SIEM & Splunk)

The Cyber Security Defender will act as a main engineer and Subject Matter Expert for SIEM and Log collection services, providing technical assistance and managing data security systems within NATO's Cyber Security Centre. The role involves supporting ITIL-based service lifecycle management and ensuring proper operation of data security systems.

Responsibilities

• Act as one of the main engineers and Subject Matter Expert (SME) for SIEM and Log collection services.
• Provide advice and technical assistance to other stakeholders, maintain technical expertise, awareness, and developments in related new technologies, and provide technical contributions to any projects related to the data security systems.
• Responsible for management and further development of the data security systems.
• Following ITIL standards, provide support to Operations and Service Delivery management covering all stages of the data security systems lifecycle (e.g. Service Design, Transition, Operations, Change Management and Continual Service Improvement).
• Ensure that data security systems are installed, configured, and operating correctly and in line with dependencies with others systems or applications required.

Requirements

• A Bachelor’s degree at a nationally recognised/certified University in a related discipline and 2 years post-related experience, or exceptionally, at least 6 years extensive and progressive expertise in duties related to the function of the post if no university degree.
• At least 1 year of extensive practical experience as SIEM administrator in large enterprise environment (deployment, installation, configuration and maintenance).
• Hands-on experience in the design and maintenance of distributed Splunk architectures.
• At least 2 years and expert level experience related to SIEM and Log collection management activities with Splunk Enterprise.
• Demonstrable experience of analysing and interpreting system, security and application logs in order to diagnose faults and spot abnormal behaviours.
• Practical hands-on experience in systems and tools administration, especially Linux environment.
• Comprehensive knowledge of the principles of computer and communication security, networking, and the vulnerabilities of modern operating systems and applications.
• Practical skills in writing Bash, Python or Ansible scripts to support repetitive tasks automation.
• Solid Linux system and application administration and troubleshooting skills.
• Solid understanding of regular expressions.
• Ability to develop clear and concise technical documentation, including procedures.
• Demonstrable ability to work autonomously and proactively, to understand the chain of command and to follow internal processes.
• Good communication abilities, both written and verbal, with the ability to clearly and successfully articulate complex issues to a variety of audiences and teams.
• Fluency in English, both written and spoken.

Skills

• SIEM Administration
• Splunk
• Splunk Architecture Design
• Log Collection Management
• System Log Analysis
• Application Log Analysis
• Linux OS Administration
• Linux Troubleshooting
• Bash Scripting
• Python Scripting
• Ansible Automation
• Network Security Principles
• Network Security
• Operating Systems Vulnerabilities
• Regular Expressions
• Technical Documentation Production
• IT Service Management

Languages

English