Infrastructure Engineer

Join our dynamic team at Aircall as an Infrastructure Engineer in our Madrid office! We are seeking a talented engineer to help us build and maintain our infrastructure, ensuring optimal performance and reliability. As part of our innovative environment, you will work closely with other engineers to design solutions that scale effectively and meet our growing needs.

As a Senior DevOps / Infrastructure Engineer at Causa Prima, you will take charge of designing, building, and managing our cloud infrastructure. Your role will encompass everything from creating CI/CD pipelines to overseeing production monitoring, enhancing security, and optimizing costs. You will help establish a robust platform capable of handling sensitive financial data efficiently and securely.Key ResponsibilitiesGCP Infrastructure — Design and manage Cloud Run (API), GKE Autopilot (including agents and GPU nodes), and configure VPC with private subnets, dedicated Cloud SQL instances, IAM, and Secret Manager using Infrastructure-as-Code methodologies.CI/CD Implementation — Develop and maintain a secure CI/CD pipeline using GitHub Actions and Cloud Build, incorporating security-aware design, production approval gates, container image scanning, secret isolation, and signed commits.Monitoring and Observability — Implement OpenTelemetry for distributed tracing across TypeScript and Python services, utilize Cloud Monitoring and Sentry with PII-stripping hooks, structured logging with sanitization, and behavioral monitoring with tiered alerting.Secret Management and Rotation — Oversee credential lifecycle management for LLM API keys, database credentials, OAuth tokens, and agent signing keys using GCP Secret Manager.Container Orchestration — Manage Docker builds and registry, configure GKE clusters, and design pathways for Kubernetes-native deployments as we scale.Incident Response Management — Establish per-agent circuit breakers, implement graceful degradation, and tiered alerting (logged → Slack → PagerDuty) alongside forensic tooling via event store replay and traces.Network Security — Implement VPC firewall rules, ensure private ingress for all data stores, enforce egress controls, and manage a PII Vault on restricted-access infrastructure.Neo4j Aura Operations — Conduct monitoring, scaling decisions, and backup verification for our managed graph database.

Join AECOM as a Graduate Engineer specializing in Linear Infrastructures. In this dynamic role, you will work alongside seasoned professionals to design and develop innovative infrastructure solutions that enhance urban environments and transport systems. Your contributions will be instrumental in shaping sustainable infrastructure that meets the needs of communities.

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.

Join our dynamic team as a Cloud Infrastructure Engineer where you will leverage your expertise in cloud technologies to design, implement, and optimize scalable and efficient cloud infrastructure solutions. This is a fully remote position, allowing you to work from the comfort of your home while collaborating with an innovative team.In this role, you will be responsible for managing cloud resources, ensuring the security and reliability of cloud environments, and driving best practices for cloud architecture. Your contributions will be vital in helping our clients achieve their digital transformation goals.

Speechify’s mission is to remove barriers to reading and make knowledge more accessible. More than 50 million people use Speechify’s text-to-speech tools to convert PDFs, books, Google Docs, news articles, and websites into audio. Our platform helps users read faster, understand more, and remember what matters. Speechify’s product lineup includes iOS, Android, and Mac apps, a Chrome extension, and a web app. Recent honors include Chrome Extension of the Year from Google and Apple’s 2025 Design Award for Inclusivity. Our fully remote team brings together nearly 200 people worldwide, including engineers, AI researchers, and specialists from companies like Amazon, Microsoft, and Google, as well as alumni of Stanford and high-growth startups such as Stripe, Vercel, and Bolt. We operate without a physical office, collaborating across time zones and backgrounds. Role Overview Speechify is hiring a Software Engineer for our data-focused AI team in Madrid, Spain. This role centers on building and maintaining the systems that collect and process the vast audio datasets used to train our models. The work blends infrastructure, engineering, and research, aiming to create high-quality datasets at petabyte scale while controlling costs. What You Will Do Find and connect new audio data sources to our ingestion pipeline. Manage and improve our cloud infrastructure for data ingestion, using Google Cloud Platform and Terraform. Work alongside scientists to optimize cost, throughput, and data quality, supporting our advanced AI models. Collaborate with the AI team and company leadership to shape the dataset roadmap for future consumer and enterprise products. What We Look For BS, MS, or PhD in Computer Science or a related field. At least 5 years of professional software development experience. Strong skills in bash and Python scripting within Linux environments. Professional experience with Docker and Infrastructure-as-Code (such as Terraform), plus hands-on work with at least one major cloud provider (we use GCP). Experience with web crawlers and large-scale data processing is a plus. Ability to manage multiple tasks and adapt to shifting priorities. Clear written and verbal communication skills.

Why Join dLocal?dLocal empowers leading global companies to seamlessly collect payments in 40 emerging market countries. Our platform is trusted by major brands to enhance conversion rates and facilitate effortless payment expansion. As both a payment processor and a merchant of record in our operational regions, we enable our merchants to penetrate some of the world’s fastest-growing markets.By becoming part of our dynamic team, you will join over 1000 dedicated professionals from more than 30 countries, forging an international career that positively impacts millions of lives daily. At dLocal, we are innovators who embrace challenges, prioritize customer-centric solutions, and foster a collaborative environment. If this resonates with you, we are confident you will excel with us.What’s the Opportunity?As a Senior Machine Learning Operations (MLOps) & AI Infrastructure Engineer at dLocal, you will play a pivotal role in developing and managing our ML and AI platform, with a strong emphasis on Feature Store and MLOps processes.Your responsibilities will include implementing and enhancing the tools utilized by our Data Science and AI teams to transition models and AI-driven services from concept to production. This encompasses feature pipelines, training and deployment workflows, observability, and automation.A central aspect of your role will involve leveraging agents and AI services to automate various MLOps functions—from feature store operations to managing fraud and anomaly detection workflows, as well as optimizing ML expenses—while collaborating closely with the AI Team and MLOps Technical Referent.

Verra Mobility is a pioneering global entity in the field of smart mobility, dedicated to developing innovative, technology-driven solutions that enhance the safety and convenience of transportation on a global scale. Our collaboration with police departments and municipalities across North America, the Asia Pacific, and Europe allows us to implement advanced safety camera systems, including those for red-light enforcement, speed monitoring, and school bus stop arm cameras. We also manage tolling transactions and violations for the largest commercial fleets and rental car companies worldwide, overseeing operations for over 8.5 million vehicles and processing nearly 165 million transactions annually for more than 50 tolling authorities. Position Overview:The IT Infrastructure Manager will oversee and ensure the effective operation of Verra Mobility's IT infrastructure and services throughout Europe. This includes managing IT personnel tasked with monitoring, diagnosing, and optimizing system and network performance, as well as spearheading cloud infrastructure initiatives. This position reports directly to the VP of IT Infrastructure and collaborates closely with local client support and corporate IT teams to enhance business and client satisfaction.Essential Responsibilities:· Lead the provision of services and support for regional client infrastructure.· Design and implement a robust IT support model tailored for the European client base.· Serve as Service Delivery Manager for Client Infrastructure within the EU.· Collaborate with cross-functional teams and stakeholders to define business and client infrastructure requirements for product and service deployments.· Optimize the utilization of IT resources, including personnel and equipment, across the region.· Develop and manage resource planning, encompassing full-time staff, contractors, and managed service offerings for the IT function.· Establish KPIs and metrics to evaluate success and identify focus areas for the support organization.· Formulate and enforce policies and procedures, including regional standards, purchasing, and service provisioning.Acquisition & Deployment:· Oversee the deployment, monitoring, maintenance, development, upgrading, and support of IT systems, including servers, storage, backups, networks, and data centers.

Join our dynamic team at inetum2 as a Telecommunications Infrastructure Consultant. In this role, you will leverage your expertise in telecommunications to provide innovative solutions that drive the success of our clients. You will be responsible for analyzing infrastructure needs, designing effective strategies, and implementing robust systems to enhance connectivity and efficiency.

Join our innovative team as a Catenary Engineer in Madrid. In this role, you will be responsible for designing and implementing catenary systems that ensure the efficiency and safety of our rail infrastructure projects. Your technical expertise will contribute to the seamless operation of our transportation networks.

We are seeking a dynamic and results-oriented Infrastructure and Software Account Manager to join our team at inetum2. In this role, you will be responsible for managing client relationships, driving sales initiatives, and ensuring that our infrastructure and software solutions meet the unique needs of our customers. Your expertise will help us enhance client satisfaction and expand our market presence.

Why Join dLocal?At dLocal, we empower the world’s largest companies to process payments across 40 countries in emerging markets. Our robust payment solutions enable global brands to enhance conversion rates and seamlessly expand their payment capabilities. As both a payment processor and a merchant of record, we facilitate our clients' entry into the fastest-growing emerging markets.By joining our dynamic team, you’ll collaborate with over 1,000 talented individuals from 30+ nationalities, contributing to a career that positively impacts millions of lives daily. We are innovators and problem solvers, committed to delivering exceptional service to our customers. If this resonates with you, we believe you’ll excel in our vibrant environment.What Awaits You?As the MLOps & AI Infrastructure Technical Lead at dLocal, you will serve as the principal technical authority guiding the design, operation, and evolution of our machine learning and AI infrastructure.Your primary goal will be to empower Data Science and AI teams in transitioning models and AI-driven services from conception to production seamlessly, reliably, and in compliance with regulations. You will take ownership of the technical roadmap for our MLOps stack, integrating AI responsibly into our engineering processes while scaling our impact as usage complexity increases.A key component of your role will involve leveraging agents and AI services to automate MLOps tasks—ranging from feature store management and platform operations to fraud detection workflows and ML cost efficiency—collaborating closely with the AI team.This position entails hands-on architectural design and leadership. While you won’t directly manage product models, your influence will be pivotal in shaping how each model and AI element is trained, deployed, monitored, and operated in production.

Join our dynamic team at AECOM as a Senior Engineer specializing in Bridges and Structures. In this pivotal role, you will lead the design and analysis of complex structures, ensuring innovative and sustainable solutions for our projects.As a Senior Engineer, you will collaborate with multidisciplinary teams, mentor junior engineers, and engage with clients to deliver high-quality outcomes that exceed expectations. Your expertise will be instrumental in shaping the future of infrastructure in our communities.

Miratech is looking for a Technical Solution Analyst focused on Network & Infrastructure to join the team in Madrid. Role overview This position centers on analyzing and designing technical solutions that strengthen networking and infrastructure systems. The work directly supports the optimization of technical frameworks and helps maintain smooth operations across Miratech’s IT environment. Key responsibilities Analyze existing network and infrastructure setups to identify areas for improvement. Design solutions that enhance system performance and reliability. Contribute to the ongoing optimization of technical processes within the IT ecosystem. Impact Expertise in this role supports seamless day-to-day operations and helps Miratech maintain a strong, efficient technical foundation.

Miratech is seeking a Technical Solution Analyst with a focus on Network & Infrastructure to join the team in Madrid. This position centers on analyzing and developing solutions to strengthen and improve network infrastructure. Role overview The Technical Solution Analyst works closely with colleagues to identify technical issues and drive resolutions. The role involves supporting a range of infrastructure projects and collaborating with cross-functional teams to implement practical solutions. What you will do Analyze network and infrastructure needs to propose effective solutions Identify and resolve technical issues within the infrastructure Support ongoing and new infrastructure projects Work with teams across the organization to ensure solutions are implemented smoothly Location This position is based in Madrid.

Role overview AECOM is looking for a BIM Specialist based in Madrid to work on linear infrastructure projects. The position focuses on Building Information Modeling, with particular attention to Bentley OpenRoads and OpenRail software. What you will do Support the design and delivery of linear infrastructure projects using BIM methods. Develop and manage project models with Bentley OpenRoads and OpenRail. Work closely with colleagues to streamline workflows and enhance project efficiency. Help create solutions that emphasize innovation and sustainability for infrastructure clients. The team Join a group of experienced professionals engaged in major infrastructure projects. The team values collaboration and practical problem-solving to address client needs.

Join our innovative and dynamic consultancy team as a Project Manager / Design Manager specializing in Major Water Infrastructure. We seek a highly skilled and experienced professional to lead our design initiatives, focusing on hydropower, pumped storage, dams, heavy civil works, underground projects, and major conveyance systems.The successful candidate will excel in managing complex design processes, coordinating multidisciplinary teams, and delivering high-quality solutions for major water infrastructure programs, supporting clients and stakeholders effectively.Key Responsibilities:Leadership in Civil Infrastructure Design:Steer the design process for civil infrastructure projects, from planning through execution to project closure.Mobilize a diverse team across multiple countries, ensuring effective collaboration among disciplines such as civil, structural, geotechnical, hydraulics/hydrology, tunneling, and digital/BIM.Clearly define project scope and manage it efficiently, converting program requirements into actionable work packages with defined assumptions, exclusions, and deliverables.Devise comprehensive project strategies and plans that align with client objectives.Establish a detailed delivery plan, monitor staffing forecasts, and track milestones against program timelines, ensuring proactive action tracking and weekly status updates.Lead the project team through intricate technical challenges, promoting innovative and viable solutions.Coordination of Multidisciplinary Teams:Inspire and manage multidisciplinary design teams, fostering a collaborative and efficient working environment.Ensure seamless integration of various engineering disciplines within the design process, coordinating all aspects of grading, drainage, structural systems, and seepage control.Work closely with department heads to allocate resources effectively and meet project demands.Collaborate with various offices for multidisciplinary and multicenter projects.Oversee the application of digital tools and workflows to maintain consistent model production and drawing standards.Management of Design Processes:Supervise all design stages from concept to final delivery, guaranteeing compliance with project timelines and specifications.Manage technical interfaces across multiple disciplines, ensuring quality and completeness of deliverables.

airapps is looking for a Backend DevOps Engineer based in Madrid. This position focuses on improving development workflows and supporting reliable application deployments. Role overview The Backend DevOps Engineer will work with both development and operations teams. The main goal is to make development processes smoother and ensure that applications are deployed efficiently. What you will do Collaborate with team members to implement continuous integration and continuous deployment (CI/CD) pipelines Manage and maintain cloud infrastructure Work to improve system performance and reliability Location This role is based in Madrid.

We are seeking a talented and motivated Bridges & Structures Engineer to join our dynamic engineering team in Madrid. In this role, you will be responsible for designing, analyzing, and overseeing the construction of various bridge and structural projects. You will work collaboratively with a diverse group of professionals to ensure that our projects meet both technical and safety standards.The ideal candidate will have a strong foundation in civil engineering principles, along with a passion for innovative design and sustainability. Your contributions will be vital in shaping the infrastructure of the future.

Join a highly skilled technical team at Atexis, where you will lead and oversee maintenance activities to ensure safety, quality, and regulatory compliance.Key Responsibilities:Provide support for cross-functional production engineering activities.Assist with certification office activities and CAMO.Lead work orders, instructions, and customized work packages, ensuring the required quality level aligns with client needs.Develop and update the master SBS (Service Bulletins) and ADS (Airworthiness Directives) for helicopters and components, analyzing them for incorporation into work packages.Coordinate all work processes with Workshop and Production managers, ensuring compliance with current regulations and internal/external standards and procedures until aircraft delivery.Collaborate with the production team responsible for task scheduling.Supervise and update technical records of the work performed (internal and external documents, including the CAMO management tool).Provide all necessary documentation to the Quality Department.