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SIEM Operations Engineer
3 semanas atrás
Just Vargas is a human resources consultancy that recruits, trains, and supports talent, helping both companies and professionals reach their full potential.
We are recruiting for a leading company in the financial sector. We are looking for a SIEM Operations Engineer who will ensure the stability, performance, and continuous improvement of the organizations SIEM environment and its supporting infrastructure. This person will play a critical role in maintaining security visibility across the organization by managing log sources, optimizing system performance, and supporting incident response capabilities.
Key Responsibilities
- Operate and maintain the on-premises SIEM platform, including system updates, configuration changes, and coordination of hardware services (remote only);
- Perform regular patching and vulnerability mitigation for SIEM infrastructure and auxiliary systems;
- Monitor and maintain backup systems and update detection rules to ensure operational continuity;
- Support and maintain auxiliary systems such as Git servers, rsyslog servers, and other Linux-based services;
- Participate in on-call rotations to ensure 24/7 operational support;
- Manage approximately 23,000 log sources, ensuring they are active, correctly transmitting data, and properly parsed within the SIEM;
- Add new log sources and decommission inactive ones to maintain data accuracy and consistency;
- Verify data parsing and normalization across all sources;
- Perform capacity planning and lifecycle management of all SIEM components;
- Analyse, optimize, and develop scripts in Python or Bash to automate and enhance daily operations;
- Maintain and improve logging protocol standards by defining what should be logged, testing, and implementing updated standards across the environment;
- Coordinate daily operational activities within the SIEM team to ensure smooth execution of tasks and alignment with service expectations;
- Act as a technical escalation point and mentor for junior and mid-level engineers, ensuring effective knowledge transfer and professional growth.
Requirements
- Proven professional experience with SIEM platform administration and log source management (e.g., IBM QRadar, Splunk, or Elastic);
- Proficiency in Linux system administration and scripting (Python, Bash);
- Experience with automation tools and CI/CD pipelines;
- Experience with Git and centralized logging systems such as rsyslog;
- Comfortable working in high-availability and security-focused environments;
- Strong analytical and problem-solving mindset;
- Excellent communication skills and a proactive, team-oriented attitude;
ITIL Certification or equivalent qualification (foundational knowledge in IT service management);
- Certification in at least one SIEM solution platform (e.g., IBM QRadar, Splunk, Elastic);
- Linux Professional Certification Level 2 or Red Hat Certified Engineer (RHCE);
- Cisco Certified Network Associate (CCNA) or equivalent networking certification;
- Experience with SIEM tuning, rule optimization, and exposure to cloud-based or hybrid environments (considered a plus);
- Knowledge of security frameworks and compliance standards (ISO 27001, NIST);
- Experience with IT Service Continuity Management (ITSCM) testing, Agile methodologies (Scrum, Kanban), and tools such as Jira and Confluence (considered a plus);
- Knowledge of performance tuning and integration techniques (considered a plus);
- Bachelors or Masters degree in IT, Business, or a related field;
- Proficiency in English, both written and verbal.
