Cyber Security Engineer with CTF and Reverse Engineering Expertise

Join NielsenIQ as a Cyber Security Engineer and be at the forefront of protecting our digital assets. You will leverage your skills in Capture The Flag (CTF) competitions, reverse engineering, and ethical hacking to enhance our security posture against evolving threats. Collaborate with a talented team and contribute to innovative security solutions that saf…

Why Join dLocal? At dLocal, we empower some of the world's largest companies to seamlessly collect payments in 40 emerging markets. Global brands trust us to enhance conversion rates and simplify payment processes, enabling them to tap into the world's fastest-growing economies. Joining our team means becoming part of a diverse global workforce of over 1000 individuals from more than 30 nationalities, where your contributions will have a significant impact on millions of lives every day. We are innovative builders, not just participants in the status quo, and if you share our customer-first mindset, you will undoubtedly flourish in our dynamic environment. About Us & The RoledLocal processes billions in payments across 40 emerging markets, driven by a fast and innovative infrastructure designed to prioritize security without hindering progress. Our security approach is streamlined and automation-focused, fostering a culture where security engineers act as builders rather than gatekeepers. The directive from our CISO is clear: advance the business safely. Your role will be pivotal in developing our defensive infrastructure, overseeing detection platforms and cloud security engineering that support our security teams.You will collaborate across various domains, including Cyber Detection & Response, Cloud Security, Application Security, IAM, and our internal Security Automation & AI team, as well as engineering teams like DevOps and SRE. This cross-functional responsibility is intentional; you won’t just be tuning tools but will actively connect posture signals to response workflows, translating security requirements into engineering tasks and enhancing overall security efficiency.If you thrive on automating manual processes and are excited about tackling complex infrastructure challenges from inception to completion, this role is tailored for you.

Role overview airapps is seeking a Security Engineer to join the team in Madrid. The position centers on protecting company systems and sensitive data from security threats and vulnerabilities. Working alongside colleagues from various departments, the Security Engineer will help design and implement safeguards to ensure information remains secure. What you will do Protect airapps systems and data from potential security breaches Work with teams across the company to develop and apply security controls Spot possible security threats and recommend ways to address them Contribute to efforts that preserve the integrity and confidentiality of company information Requirements Background or strong interest in cybersecurity Comfort working with people from different departments Drive to keep up with new and emerging security threats This role is located in Madrid.

Role overview Nexthink SA seeks a Senior Corporate Security Engineer based in Madrid. The main focus is to safeguard company systems and data by enhancing cybersecurity practices and defending sensitive information from threats. Key responsibilities Lead initiatives that strengthen the overall security posture of the organization Collaborate with teams throughout the business to identify and address vulnerabilities Implement security controls and protocols to protect systems and data Respond to security incidents and assist in coordinating their resolution Collaboration This role involves close cooperation with colleagues across various departments, ensuring that security considerations are integrated into all areas of company operations.

Why Join dLocal?At dLocal, we empower leading global brands to facilitate payments across 40 countries in emerging markets. Our expertise helps businesses enhance conversion rates and simplifies their payment expansion journeys. Acting as both a payment processor and a merchant of record, we enable our clients to tap into the fastest-growing emerging markets.Joining our team means being part of a vibrant global family. With over 1500 colleagues from more than 30 nationalities, you’ll have the chance to develop an international career that impacts millions of lives daily. We are innovators, unafraid of challenges, and prioritize our customers. If this resonates with you, we believe you’ll excel in our collaborative environment.

Veeam, the world leader in data resilience, empowers businesses to access and control their data anytime and anywhere. Our comprehensive suite includes data backup, recovery, portability, security, and intelligence. Headquartered in Seattle, Veeam safeguards over 550,000 customers globally, ensuring their operations remain uninterrupted. Join our journey as we innovate, grow, and make significant contributions for some of the largest brands globally. The future of data resilience is bright—take bold steps with us.About the Role: With the recent acquisition of Securiti AI, a frontrunner in AI-driven data security posture management (DSPM), Veeam is on the lookout for a Senior Sales Engineer. In this pivotal role, you will provide technical leadership within our sales team, focusing on the Securiti AI portfolio. Collaborating with a Securiti Sales Specialist, you will support 3-5 Account Executives and Veeam Solution Engineers, acting as the technical authority.Your key responsibilities will involve guiding customers from initial needs assessment to tailored solution design, showcasing the value through hands-on demonstrations and proofs of concept. Success in this position hinges on your strong technical acumen and your ability to foster trust with clients.What You’ll Do: Serve as the primary technical resource for Securiti AI solutions throughout the sales process.Lead in-depth technical discussions and tailor security solutions to meet customer needs.Address client requirements in data discovery, posture management, and compliance.Design and deliver engaging product demonstrations and proofs of concept.Work alongside product, engineering, and customer success teams to ensure seamless transitions.What You’ll Bring: Extensive experience in pre-sales or sales engineering roles.Deep knowledge of data and cloud security.Exceptional communication skills for engaging both technical and business stakeholders.Over 10 years of technical sales experience in the security domain.More than 15 years in Software/SaaS/Enterprise technical sales.Practical experience with AWS, Azure, or GCP.Familiarity with data privacy/security standards such as GDPR, NIST 800-53, and ISO 27001.

At Celonis, we are pioneering the future of Process Intelligence technology, standing as a global leader and one of the fastest-growing SaaS companies. Our mission is to unleash productivity by integrating AI, data, and intelligence into core business processes. We invite you to be a part of this transformative journey! The Team:Join our dynamic Celonis Support Services team, a vital component of our 3-Level Support model, as an accomplished 2nd Level Technical Support Engineer. You will be based in the vibrant city of Madrid and report directly to the Director of Customer Support.The Role:As a Senior Technical Support Engineer, you will be an integral part of our support structure, specializing in diagnosing and resolving intricate technical and product-related challenges across the Celonis Product Suite. Your role will establish a vital link between our esteemed global customers, partners, and our internal teams in Value Engineering, Delivery, Development, and Product Management. We are seeking an individual passionate about becoming a technical authority on Celonis infrastructure and software, contributing significantly to a SaaS-focused environment centered on delivering customer value.Your Key Responsibilities:Deliver expert 2nd Level technical support for customer inquiries across Celonis Systems & Products.Act as a Technical Liaison for Premier Customers, ensuring their needs are met with precision.Own complex cases, managing them according to ITSM processes and adhering to established KPIs.Conduct analysis, diagnosis, and resolution of sophisticated technical issues, collaborating closely with customers and internal Product and Engineering teams.Engage in Root Cause Analysis (RCA) cycles to enhance the team's support Knowledge Base.Contribute proactively to Continuous Service Improvement (CSI) initiatives, including Knowledge-Centered Service (KCS).Prepare and present Webcasts on selected technical topics for customers and internal teams.Participate in an on-call rotation to ensure continuous global support coverage.

Ebury is dedicated to empowering ambitious businesses in their quest for global expansion, and we extend that same commitment to our employees. We foster an innovative and collaborative environment that encourages problem-solving and ensures that everyone feels valued, supported, and empowered to thrive.If you're a team player eager to reshape the way businesses function on a global scale, reach out to us! We're excited to discuss how Ebury can elevate your career and help you influence the future.Senior Cloud Infrastructure Security EngineerHybrid (4 days in office) in MadridEbury is making substantial investments in its cloud infrastructure security to uphold the trust and safety of our worldwide financial services. As a Senior Security Engineer specializing in Cloud Infrastructure, you will take charge of enhancing the security framework of our cloud environments across AWS and GCP, focusing on network security, perimeter defense, and attack surface management.This hands-on position demands extensive knowledge of cloud-native security controls, network architecture, and defensive security operations. You will design, implement, and sustain security infrastructure that proactively identifies and mitigates threats before they affect our business. Close collaboration with platform, infrastructure, and security operations teams will be essential to instill security best practices within our cloud foundations.Key ResponsibilitiesOwn cloud security posture and attack surface management: Maintain comprehensive visibility and control across AWS and GCP environments. Implement cloud-native security monitoring, detection, and alerting to proactively identify and mitigate threats before they impact customers or the business. Define and enforce security baselines using policy-as-code.Design and maintain web application firewall infrastructure: Manage WAF configurations across AWS and GCP, developing and tuning detection rules in line with application threat models and emerging attack patterns. Establish operational processes for rule lifecycle management and incident response integration, collaborating with application teams to implement protections without compromising availability.Architect network segmentation and isolation: Develop and execute network security strategies ensuring proper separation between development, staging, and production environments. Define consistent patterns across multi-cloud infrastructure, applying zero-trust principles to workload communication and documenting reference architectures for engineering teams.

Project OverviewJoin us at the Telco Hub in Madrid, where we are at the forefront of integrating IT and telecommunications. We are actively developing and expanding Telco as a Platform (TaaP) on our unique layered cloud infrastructure. Our teams collaborate across countries and functions, delivering state-of-the-art services to Europe's top operators.Our mission is to enhance the customer experience through three key principles: Cloud-Based – Utilizing the latest technologies for optimal scalability and performance. Automated – Enhancing efficiency with AI, automation, and DevOps practices. Sustainable – Creating a future-ready, environmentally responsible infrastructure.We seek exceptional engineering talent eager to develop both technically and professionally in an innovative and collaborative atmosphere. If you're passionate about redefining telecommunications, we would love to have you!The Voice & Messaging (T-VM) unit within Deutsche Telekom Technik GmbH oversees all voice and messaging platforms in the fixed and mobile networks, managing them throughout their lifecycle. The platforms governed by T-VM are pivotal to Telekom Deutschland's core operations; thus, we prioritize stability, quality, innovation, and efficiency. The ACS Squad (Announcement-, Control & Support systems) is in charge of the complete lifecycle for essential IMS components within DT Technik.Key Responsibilities:Design, implement, and manage the IMS-MRF (Media Resource Function) within a Kubernetes environment.Oversee OneiDNS, a cloud-native DNS service for all IMS nodes in both fixed and mobile networks, deployed on Kubernetes.Maintain VoIP Support Systems, a VMware-based application landscape within the IMS fixed network provisioning chain.Function as a DevOps team, assuming full responsibility from design and engineering to deployment and operations.One of our significant upcoming projects involves developing a new AI Calling system on DT Technik’s CaaS Kubernetes platform, enabling real-time speech processing and translation within IMS call flows.We invite a motivated and technically proficient individual to join our team and contribute to this exciting journey.

Join JetBrains, a leading software development company known for creating innovative tools for developers, as a Security Engineer specializing in Identity and Access Management (IAM). In this role, you will be pivotal in ensuring the security and integrity of our systems by managing user identities and access control mechanisms.

AECOM is seeking a Security Designer with a focus on Integrated Security Systems for its Madrid office. This position centers on designing and implementing security solutions that protect assets and support safety in a range of settings. Role overview Work closely with teams from different disciplines to develop security system designs tailored to client requirements. The role involves translating client needs and regulatory standards into practical, effective security measures. Key responsibilities Design integrated security systems that address a variety of risk scenarios Implement solutions that safeguard people, property, and information Coordinate with colleagues from other specialties to ensure cohesive project delivery Ensure all designs comply with relevant regulations and client specifications Requirements Expertise in security system design and implementation Experience working with multidisciplinary project teams Knowledge of regulatory standards for security systems

Join Our Team as a Senior Electrical EngineerWe are seeking an exceptionally skilled Electrical Engineer with a substantial background in the implementation of high voltage (HV) underground lines, measurement stations, and high voltage electrical substations. The ideal candidate will possess advanced technical abilities, strong leadership qualities, and a detail-oriented mindset for effective project management.Key Responsibilities:Plan and oversee installation and maintenance projects for high voltage underground lines.Collaborate with multidisciplinary teams for seamless project execution (initial on-site involvement of 3 to 4 days).Conduct technical studies and compile comprehensive reports.Ensure adherence to safety and quality standards.Address technical challenges and enhance operational processes.

About the Role Miratech is hiring a Data Engineer with expertise in Azure Databricks for its Madrid office. This position focuses on building and maintaining data pipelines that support integration and processing across the organization. What You Will Do Design and implement data pipelines using Azure Databricks Ensure reliable data integration and processing Work closely with teams from different departments to support data-driven projects Help provide insights that inform business decisions and improve operations Location Madrid

Join NielsenIQ as a Senior Antibot Engineer and play a pivotal role in enhancing the security and functionality of our systems. You will be responsible for developing sophisticated antispam and antibot solutions that protect our data integrity and improve user experience. Collaborate with cross-functional teams to identify vulnerabilities and implement robust measures against automated threats.

Join our dynamic team at Devoteam as a Cyber Incident Handling Specialist! In this role, you will engage in proactive surveillance, identify potential threats, and effectively manage cybersecurity incidents. Your expertise will help safeguard our clients' information and infrastructure.

Senior Staff React Engineer with TypeScript & AI ExpertiseAbout Us:Wizeline is a leading global provider of AI-driven technology solutions, dedicated to crafting innovative, AI-powered digital products and platforms. We collaborate closely with our clients to harness the potential of data and AI, accelerating their market presence and facilitating significant business transformations. As a vibrant global community of innovators, we nurture a culture that emphasizes growth, collaboration, and impactful contributions.With the right talent and ideas, there are no boundaries to our success.Are You the Right Match?If this sounds exciting, let’s explore whether you’re the ideal candidate for this role: Key ResponsibilitiesSteer the architecture, design, and development of scalable, high-performance web applications utilizing React and TypeScript.Formulate and implement the front-end technical strategy, ensuring alignment with scalability, performance, and product goals driven by AI.Work in close partnership with AI engineers, data scientists, designers, and product managers to create intelligent, data-centric user experiences.Incorporate AI-enhanced components (such as chatbots, personal assistants, content generators, and predictive interfaces) into modern web applications.Guide and mentor fellow engineers, fostering excellence in coding practices, architectural decisions, and technical problem-solving.Establish and uphold standards for code quality, accessibility, performance optimization, and testing.Collaborate with backend and DevOps teams to enhance CI/CD pipelines and deployment processes.Continuously seek opportunities to leverage AI and automation to improve both development workflows and user experiences. Essential Qualifications8+ years of professional software development experience, with a minimum of 5+ years specializing in React and TypeScript.Demonstrated expertise in architecting and scaling enterprise-level front-end applications.Proficient understanding of AI technologies and their application in web development.Strong problem-solving skills with a focus on delivering high-quality software.Excellent communication and collaboration abilities.

Join our innovative team at T-Systems Iberia as a System Engineer specializing in DNS and IoT technologies. In this role, you will leverage your technical expertise to develop and maintain robust system infrastructures that support our Internet of Things initiatives. Collaborate with cross-functional teams to design solutions that enhance connectivity and performance in IoT applications.

Join our dedicated team at Devoteam as a Senior Consultant specializing in Ping Identity and Cyber Identity and Access Management (IAM). In this pivotal role, you will leverage your extensive expertise to enhance our cybersecurity initiatives and ensure robust identity management solutions for our clients.

Join our dynamic team as a Senior Cybersecurity Engineer specializing in DevOps. In this pivotal role, you will leverage your expertise in cybersecurity to design and implement robust security solutions, ensuring our systems are resilient against threats. You will collaborate with cross-functional teams, driving security best practices throughout the development lifecycle.

Join our dynamic team as a DevOps Engineer specializing in DNS technologies. In this role, you will be instrumental in enhancing our infrastructure, ensuring seamless deployment and integration of applications. You will work closely with development and operations teams to automate processes, monitor systems, and improve performance.We are looking for candidates who are passionate about technology and have a keen interest in driving efficiency through innovative solutions. If you are eager to take on challenges and grow your skills in a collaborative environment, we would love to hear from you!