Security Engineer

Job description

Administer and fine-tune Microsoft Sentinel (SIEM), including rule creation, use-case development, and incident triage Manage and optimize Elastic Stack (Elasticsearch/ELK) for log ingestion, indexing, and security analytics Configure, maintain, and troubleshoot enterprise firewalls (rule management, policy hardening, traffic analysis) Operate and tune EDR (Endpoint Detection & Response) solutions for threat detection and incident response Collaborate with SOC/IT teams to ensure compliance with banking regulatory and security standards Must Have: Proven hands-on experience with Microsoft Sentinel (or equivalent SIEM) Strong working knowledge of Elastic/ELK Stack administration Solid experience configuring and managing firewalls (e.g., Palo Alto, Fortinet, Check Point) Practical experience with EDR platforms (e.g., CrowdStrike, Defender for Endpoint, SentinelOne) Solid Linux administration knowledge Understanding of cloud environments and cloud security concepts (e.g., Azure, AWS, or GCP) Regular use of AI tools to improve productivity, automate or reduce repetitive work, support decision-making, and deliver higher-quality outcomes. Ability to use AI tools responsibly by structuring effective prompts, critically validating outputs, understanding limitations, and taking ownership of the final result. Nice to Have: Understanding of banking/financial sector security and compliance requirements Relevant certifications (e.g., Security+, CySA+, SC-200, or vendor-specific) As a people-first organisation, we believe diversity strengthens our teams and drives innovation. All employment decisions are based on merit, skills, and performance, without discriminating based on any personal characteristic. This reinforces our commitment to providing an inclusive and respectful workplace. At Accesa you can Enjoy our holistic benefits program that covers the four pillars that we believe come together to support our wellbeing, covering social, physical, emotional wellbeing, as well as work-life fusion. Physical Wellbeing: Our wellbeing program includes medical benefits, gym support, and personalised fitness options for an active lifestyle, complemented by team events and the Healthy Habits Club. Work-Life Fusion: In very dynamic industries such as IT, the line between our professional and personal lives can quickly become blurred. Having a one-size-fits-one approach gives us the flexibility to define the work-life dynamic that works for us. Emotional Wellbeing: We believe that to maintain our overall health, we need to invest in our mental wellbeing just as much as we do in our physical health, social connections or in achieving work-life balance. Social Wellbeing: As a growing community in a hybrid environment, we want to ensure we remain connected not just by the great work we do every day but through our passions and interests. Accesa is a leading technology company headquartered in Cluj-Napoca, with offices in Oradea and 20 years of experience in turning business challenges into opportunities and growth. A value-driven organisation, it has established itself as a partner of choice for major brands in Retail, Manufacturing, Finance, and Banking. It covers the complete digital evolution journey of its customers, from ideation and requirements setup to software development and managed services solutions. With more than 1,200 IT professionals, Accesa also has a fast-growing footprint, establishing itself as an employer of choice for IT professionals who are passionate about problem-solving through technology. Coming together in strong tech teams with a customer-centric approach, they enable businesses to grow, delivering value for our clients, partners, industry, and community. We are seeking an experienced Security Engineer to join a security project, responsible for the administration, monitoring, and continuous improvement of the organization's security infrastructure.