Senior Security Engineer (Logstash / Logging Infrastructure)

Description: For this role, we are looking for a Senior Security Engineer (Logstash / Logging Infrastructure) to assist one of our key clients – a leading global investment bank. Responsibilities: • Install and administrate the servers of the SIEM Infrastructure. • Build & maintain automation (Ansible playbooks, python/bash scripts) and self-service tool to minimize manual work. • Integrate new log sources and emerging technologies (including Kafka-based pipelines). • Develop custom parsers/GROK patterns; apply regular-expression expertise. • Participate in small-scale project-management tasks (scope definition, delivery tracking) • Act as a full-time member of the Production CSIRT / SIEM Engineering team and contribute to all team activities. • Contribute to the Permanent Control framework for implementation of policies and procedures in day‐to‐day business activities, such as Control Plan. • Comply with regulatory requirements and internal guidelines. • Contribute to the reporting of all incidents according to the Incident Management System Role Specific Technical Skills: Production experience across the following technologies: • Administration experience [Logstash, Vector (Datadog)] • Linux administration (RHEL/Ubuntu). • Experience writing Regex (Regular Expression) • Scripting/programming – Python **or** Bash (minimum 2 years). • Knowledge on SQL • Automation/orchestration – Ansible (or equivalent) and CI/CD pipelines. • Background in IT Security concepts & administration (OS, Network). • Managing Production security tools with focus on logging platforms – ingestion, indexing, monitoring and analytics (mandatory) preferably in large organization. SIEM experience is plus. Specific Qualifications: • Total professional experience ≥ 7 years, with at least 4-5 years focused on large-scale setup to manage Logstash , regular expression. • • Banking-sector experience is optional but regarded as a plus •Work-life balance: Hybrid working mode, 18 days of Annual leave •Health & insurance: Comprehensive coverage including General Practitioner, hospitalization, dental, and optical •Performance incentives: Annual bonus based on individual performance •Learning & development: Training programs, certification opportunities, and training incentives to support career growth •Team culture: Regular team-building activities and social events

Role Specific Technical Skills: Production experience across the following technologies: Administration experience [Logstash, Vector (Datadog)] Linux administration (RHEL/Ubuntu). Experience writing Regex (Regular Expression) Scripting/programming – Python **or** Bash (minimum 2 years). Knowledge on SQL Automation/orchestration – Ansible (or equivalent) and CI/CD pipelines. Background in IT Security concepts & administration (OS, Network). Managing Production security tools with focus on logging platforms – ingestion, indexing, monitoring and analytics (mandatory) preferably in large organization. SIEM experience is plus. Specific Qualifications: Total professional experience ≥ 7 years, with at least 4-5 years focused on large-scale setup to manage Logstash , regular expression. • Banking-sector experience is optional but regarded as a plus