OT Cybersecurity Specialist

Overview Join to apply for the L2 SOC Analyst & OT role at UST Role Description CyberProof is a cyber security services and platform company whose mission is to help our customers react faster and smarter – and stay ahead of security threats, by creating secure digital ecosystems. CyberProof automates processes to detect and prioritize threats early and respond rapidly and decisively. CyberProof is part of the UST Global family. Some of the world's largest enterprises trust us to create and maintain secure digital ecosystems using our comprehensive cyber security platform and mitigation services. We are seeking a highly skilled and proactive Senior SOC Analyst with expertise in OT environments. In this dynamic role, you will handle escalated security incidents, enhance detection capabilities, and work collaboratively with platform teams to secure critical OT systems. Your work will directly contribute to strengthening incident response processes and improving threat detection fidelity, with a focus on platforms such as Nozomi and Sentinel . Responsibilities Deliver comprehensive support for the handling and escalation of critical security incidents, ensuring timely and effective resolution. Oversee and coordinate incident response and threat containment efforts in OT environments, minimizing operational impact and downtime. Provide expert recommendations for security issue isolation and remediation strategies to safeguard OT systems and infrastructure. Collaborate with the Nozomi Networks platform team and relevant stakeholders to optimize detection rules and minimize false-positives within Microsoft Sentinel. Design, develop, and maintain advanced playbooks to streamline and automate incident response workflows for Nozomi-related security events. Continuously refine and enhance threat detection logic while performing detailed false-positive tuning to strengthen detection accuracy and overall fidelity. Serve as a trusted subject matter expert in OT security, offering strategic guidance and fostering collaboration across multidisciplinary teams to address complex security challenges. What we expect from you Proven experience in SOC operations, with a particular focus on OT environments. Hands-on expertise with Nozomi Networks and Microsoft Sentinel platforms, including rule tuning and detection logic development. Holding certifications in Microsoft and Nozomi is a mandatory requirement for this role. Strong understanding of incident response workflows, playbook creation, and tuning processes. Solid analytical and problem-solving abilities to effectively manage complex security incidents. Capability to work in a 24x7 operational environment, handling high-pressure situations while maintaining attention to detail. Strong communication skills, with the ability to collaborate across teams and explain technical concepts to non-technical stakeholders. Fluent in English, Spanish and Portuguese. What we offer 23 days of Annual Leave plus the 24th and 31st of December as discretionary days. Location: Madrid or Barcelona (Hybrid modality). Working schedule: Office hours + on call. Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances). Retribución Flexible Program: meals, Kinder Garden, Transport, online English lessons, Health Care Plan. Free access to several training platforms. Professional stability and career plans. Referral program. The option to pick between 12 or 14 payments along the year. Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime). In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate. Skills OT Nozomi, Incident response, Cyber Security #J-18808-Ljbffr