We are seeking a **Senior Site Reliability Engineer** to support a global execution platform and deliver high\-quality solutions to trading desks and clients. You will work closely with top specialists, developing your skills in system management, monitoring, and low\-latency technology. Apply now to be part of a team driving innovation in financial technology. **Please note that working from the customer's office in Lisbon is required 2\-3 days per week.** **Responsibilities** * Develop and implement monitoring, alerting, and incident response strategies * Automate routine tasks and processes to improve efficiency * Collaborate with software engineering teams to design and deploy reliable, scalable systems * Deploy production changes with precision to maintain platform integrity * Manage incidents including detailed analysis and reporting to ensure high service levels * Participate in on\-call rotations to support critical systems and services * Communicate effectively with team members to resolve issues promptly * Maintain documentation for operational procedures and system configurations * Continuously improve system reliability and performance through proactive measures **Requirements** * Strong knowledge of Unix/Linux systems and networking with 3\+ years experience * Proficiency in Unix/Linux shell scripting and programming languages such as Python, Perl, C, C\+\+, or Java * Experience with monitoring and observability tools like ITRS Geneos, Dynatrace, Prometheus, and Grafana * Ability to troubleshoot complex systems and resolve issues efficiently * Experience working in high\-availability, high\-traffic environments * Bachelor’s or Master’s degree in IT engineering or related field * Ability to work effectively in a team and adapt to new environments * Self\-motivated with strong problem\-solving and issue follow\-up skills * Excellent written and verbal communication skills with English level B2\+ **Nice to have** * Experience with log management tools such as Splunk, ELK, Graylog, or Loki * Knowledge of network monitoring tools like Corvil * Familiarity with databases including Oracle, PostgreSQL, MySQL/MariaDB, or KDB/q * Experience with messaging systems such as IBM MQ, Tibco, Solace, LBM, or Kafka * Familiarity with Infrastructure as Code tools like Ansible or Terraform