At LINK, we connect businesses to customers through our communications products and services that drive engagement and satisfaction during each stage of the customer journey.

You're probably already familiar with us: we're behind the messages you receive via SMS, WhatsApp, email, or even to check-in for your upcoming flight, receive delivery notifications, cash in a mobile coupon to your favorite store, and so much more.

You will be joining a security team as the engineer and an equal technical partner. Our environment is a complex hybrid infrastructure combining bare-metal systems and multiple cloud platforms. We are looking for a hands‑on engineer who sees technology as a tool to solve real security and operational problems.

This role requires a high level of independence and ownership. You should be comfortable planning and prioritizing your own work, investigating problems without detailed instructions, and taking technical topics from analysis through implementation and documentation.

You will help us build and mature our SOC capabilities, improve threat detection, investigate security incidents, develop automation, and maintain the security monitoring platform.

Making sure the system doesn't choke. This includes OpenSearch performance optimization, data retention management, tuning queues on managers and workers, and optimizing I/O load and disk space

Creating custom decoders and local rules for specific services and edge cases that standard rules cannot handle. SOAR Engineering (Automation):



Building integrations and automation around APIs to remove manual workload from the future SOC team

K8s Security: Integrating container environments with the central logging system

Creating pragmatic, technical security procedures and incident response playbooks

System hardening: Working closely with IT and DevOps teams to secure operating systems and services

Automation & IaaC: Bash, API, Ansible, Python

Advanced knowledge of Polish is an absolute must-have ;

Wazuh (SIEM/XDR): Commercial experience with the system in a large enterprise environment. Deep Linux Administration: Fluent administration and troubleshooting. We are looking for someone who can diagnose issues at the OS level

OpenSearch / Elasticsearch: Proficiency in cluster management (ISM configuration, index lifecycle, troubleshooting queries and database performance)

Scripting & Automation: Fluent scripting and working with REST APIs – you must know how to "glue" different systems together

Understanding Log Sources: Good knowledge of systems likeauditdandsyslog

English: B2+ level (to comfortably work with technical documentation and communicate with international IT teams)

Experience in designing and deploying Wazuh HA clusters from scratch

Practical knowledge of Ansible for configuration management

Practical knowledge of Python

Operational experience in a Security Operations Center

Deeper experience with Kubernetes security

Practical experiments using LLMs to support log analysis and automation in a SOC

Co‑financed private life‑insurance

Extra fee from employer for retirement program (PPK)

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📌 Cybersecurity Systems Senior Engineer (Italia)
🏢 LINK Mobility Group
📍 Italia