Senior HR Systems Administrator

Why Join Nebius?Nebius is at the forefront of a transformative wave in cloud computing, dedicated to empowering the global AI economy. We provide the essential tools and resources that enable our clients to address real-world challenges and revolutionize industries, all without incurring hefty infrastructure costs or the necessity of assembling large in-hous…

Join our dynamic team in Amsterdam as a C++ Team Lead, overseeing the pivotal Trading Systems team that drives our core operations. You will leverage your expertise to lead the development and optimization of trading systems across various markets, collaborating closely with engineers and software developers. This role demands a strong commitment to technical research and close collaboration with our quantitative analysts to enhance system performance and reliability.Key Responsibilities:Architect and sustain high-performance trading systems utilizing modern C++ for diverse exchanges;Execute production tests to analyze protocols, feeds, and competitiveness, focusing on optimizing the fill ratio;Create low-latency inference solutions adaptable to varied hardware environments;Identify and implement optimal hardware and software configurations that meet stringent latency and performance metrics;Partner with researchers, business development teams, and key stakeholders to refine and elevate the overall trading process.

Are you the system and application administrator who thrives on managing complex simulation environments and training systems? Do you want to contribute to an R&D setting where simulators and their applications in experiments are at the forefront? If so, we are looking for you to join us as a simulation systems administrator!Your Responsibilities:Oversee and maintain our simulation systems and associated infrastructure, including simulator servers, simulation workstations, network components, storage, and virtualization platforms.Ensure high availability and performance of simulation environments, providing support for experiments.Install, configure, and update simulation software, middleware, license servers, and tools for scenario and data handling.Monitor and enhance security, backups, and recovery processes for simulation environments, including log management and access control.Troubleshoot issues during simulation sessions, collaborating closely with researchers to resolve problems quickly and prevent future occurrences.Document configurations, procedures, and changes, contributing to the standardization and further professionalization of IT within the simulation environments.

We are seeking a seasoned energy system consultant to join our dynamic Energy & Utilities practice at Sia. This role demands extensive expertise in the Distribution System Operator (DSO) or Transmission System Operator (TSO) sectors. As a consultant, you will immediately engage with one of our esteemed clients, influencing the transformation of the energy sector as it navigates towards the 'New Energy Reality'. This paradigm shift is defined by innovative methods of energy generation, transmission, distribution, and evolving consumer behavior. Grid operators must proactively address the challenges posed by this transition.In your consultancy role, you will embark on the next chapter of your career focused on integrated energy system planning, business analysis, and project management. You will be invigorated by the ambitious Dutch offshore wind targets (21GW by 2030), the infrastructural complexities accompanying these goals, and the requisite storage and conversion strategies necessary for system flexibility. Your mission will be to facilitate the energy transition while understanding the proactive measures grid operators must undertake.At the client site, you will contribute to projects aimed at enhancing capabilities and developing tools to address long-term grid planning, system integration across power and gas sectors, and shaping energy policies. Your insights will directly impact grid planning decisions concerning costs, socio-economic welfare, and CO2 emissions in the energy landscape. This role combines robust stakeholder engagement, business analysis, project management, integrated energy system optimization, and data analysis/reporting.The opportunity to expand your knowledge across diverse energy sectors awaits you. Beyond your client responsibilities, you will also play a pivotal role in developing our team through contributions to our strategic initiatives, business development, recruitment, knowledge sharing, and training. This ensures a dynamic work environment abundant with opportunities for personal and professional growth.

What will you be doing?As part of a dedicated team of system administrators, you will be at the forefront of developing and managing the Linux environment, particularly focusing on High Performance clusters. This infrastructure is crucial for the daily operations of NLR colleagues. Your contributions will span across architecture, design, implementation, and maintenance of NLR systems. You will lead project initiatives for new development trajectories, guiding them from analysis through design, implementation, and into operational use. Your role is essential in ensuring the functionality, currency, security, and efficiency of the Linux environment within the NLR data center. This position offers a dynamic work environment where no two days are the same. You will work from our Amsterdam office with the option to work partially from home.

Join our innovative team as a High-Frequency Trading Core Engineer at 42.com. In this pivotal role, you will work on cutting-edge technologies to develop and optimize trading systems that operate at lightning speeds. You will collaborate with talented engineers and traders to enhance the performance and reliability of our trading infrastructure.

Join pinely as we expand our innovative team! We are seeking a dedicated Site Reliability Engineer who thrives in a dynamic environment.Key Responsibilities:Deploy, configure, and manage Linux-based servers efficiently.Diagnose and resolve hardware and network availability issues while monitoring for failures.Oversee numerous nodes across various remote sites and cloud infrastructures.Contribute to infrastructure automation initiatives using Python and/or Go.Engage with cloud platforms including AWS, Google Cloud, and Alibaba Cloud.Enhance monitoring systems for production trading environments utilizing Grafana.Required Qualifications:A minimum of 3 years of experience in managing and troubleshooting high-load systems.Strong grasp of the Linux TCP/IP stack.Familiarity with essential network components such as DHCP, DNS, and BGP.Proficiency in at least one configuration management tool (e.g., Salt, Ansible).Extensive knowledge of infrastructure monitoring tools, including Prometheus and Grafana.Fluent in English (B2/Upper-Intermediate or above).Basic skills in Python/Bash/Go.Willingness to travel for work-related tasks.Preferred Qualifications:Familiarity with leading server hardware brands.Experience optimizing hardware and OS configurations for peak performance.What We Offer:Competitive salary and comprehensive social benefits.Attractive bonus structure with flexibility in salary negotiations.Opportunity to work with unique networks such as radio relay, shortwave, FPGA cards, and atomic clocks, including server optimization on overclocked systems.Access to cutting-edge technologies and a supportive environment for implementing innovative solutions.Flexible working conditions, minimizing bureaucracy and promoting autonomy.Tuition reimbursement and sponsorship for conferences and training.

RHG is seeking an Engineer to join the team in Amsterdam. This position centers on contributing to projects that aim to advance technology. Curiosity and a drive to learn are valued within the group. Key responsibilities Work on engineering projects that focus on technical improvement Use problem-solving abilities to address complex issues Help the team deliver reliable, high-quality solutions What we look for Motivation to learn and develop new skills Genuine interest in solving technical problems Collaborative approach and openness to feedback This role is based in Amsterdam.

Make an Impact. Embrace Humanity. Stay Inquisitive. We want to give you a heads-up:This isn’t your ordinary job advertisement – it’s your gateway into thrilling working student positions in the data and AI sectors.We are currently seeking candidates for:Data EngineerCloud EngineerPlatform EngineerInterested in learning more about each role? Click the links to delve deeper into the details – and apply directly for the position that resonates with you the most.Note: Applications submitted through this general posting won’t be processed. Ensure to apply via the specific role that piques your interest.If you're undecided on which role fits you best or want to pursue multiple options, feel free to apply for both; we are here to assist you in finding your ideal match. Who We AreAI is revolutionizing the world – and we’re just getting started. With data expanding at an unprecedented rate, the demand for intelligent, purpose-driven minds has never been higher. At Rewire, we don’t just keep up with trends in Data & AI – we lead them.If you are enthusiastic about tackling real-world challenges and generating meaningful results, this is the perfect opportunity for you! Your innovative thinking and expertise will empower you to help shape Rewire's future by harnessing data and AI to create groundbreaking solutions.We are on a mission to elevate Rewire's business significantly, and we’re looking for dedicated Data Engineers and Cloud Engineers to help us achieve our objectives.Join a vibrant team of data and AI professionals who confront significant challenges, design intelligent solutions, and enjoy the journey.Ready to embark on this adventure? Explore the specific roles now!

Join Adyen as an Engineering Manager for our Authentication Engine team. In this pivotal role, you will lead a dedicated group of engineers focused on developing and optimizing authentication systems that enhance security and user experience. Your leadership will drive innovation and ensure the delivery of high-quality solutions in a collaborative environment.

Winthrop Technologies is a premier data center delivery partner, renowned for providing comprehensive turnkey solutions to our clients. Headquartered in Dublin, we have a strong presence across Europe, specializing in the entire lifecycle of data center projects, from innovative design to meticulous construction. Our expertise encompasses a wide array of services including civil, structural, architectural, mechanical, and electrical engineering, as well as commissioning.As the leading and most trusted company in our field, Winthrop is proud to be the only dedicated data center delivery partner in Europe. Currently, we're engaged in multiple turnkey data center projects across seven European countries, totaling over 430 MW of IT load.We are excited to announce that we are looking for two Senior Electrical Engineers to join our growing team in Amsterdam. The successful candidates will play a pivotal role in supporting the mechanical delivery aspects of our projects in collaboration with the broader project team.

Are you passionate about building robust and scalable cloud-native platforms using Kubernetes? At Budget Energie, we are committed to creating an innovative internal platform that empowers multiple development teams across the Netherlands and Ukraine. In this pivotal role, you'll have the opportunity to shape, enhance, and scale this platform.Key ResponsibilitiesAs a Platform Engineer, you will be part of a dynamic platform team dedicated to building and managing our Kubernetes-based infrastructure and internal developer platform.Your responsibilities will include:Overseeing the management and enhancement of Kubernetes clusters in production settings.Developing and maintaining Infrastructure as Code with tools like Terraform and/or Ansible.Optimizing and automating CI/CD pipelines and deployment workflows (utilizing GitOps practices with tools such as ArgoCD or FluxCD).Assisting developers in the building, deployment, and operation of containerized applications.Contributing to the design and enhancement of our Internal Developer Platform (IDP).Focusing on reliability, scalability, security, and cost optimization of our cloud infrastructure.Engaging in incident response and participating in an on-call rotation.Collaborating closely with developers and other engineers to streamline delivery pipelines.About the TeamJoining our international and highly collaborative platform team, you will work closely with development teams to empower them to deliver software rapidly and reliably. Our pragmatic engineering culture values ownership, transparency, and continuous improvement. Daily stand-ups facilitate alignment, problem-solving, and ongoing enhancements in our workflows. We foster an informal yet technically sophisticated environment focused on delivering production-ready solutions at scale.

Embark on a thrilling journey with us!At Polarsteps, we are a vibrant team of 90 individuals hailing from over 25 different nationalities, united by a common goal: to revolutionize the way people travel. Our innovative travel app allows users to plan, track, and relive their journeys in a stunningly intuitive manner.With over 19 million users, we are just getting started! We have ambitious plans for the future and are seeking a passionate Head of Engineering to guide us through this exciting chapter.Curious to learn more about us? Click here to explore.Your Mission: Engineering Excellence at PolarstepsJoin our small but mighty team making a significant impact.Check out our app and see how we prioritize delivering a seamless, high-quality user experience that has earned us a remarkable 4.8 rating on app stores. Featured multiple times and highlighted in Apple's WWDC keynotes, we are proud to be recognized as one of the top 26 apps for 2026 according to Apple!Your contributions from day one will have a significant impact, influencing millions of users worldwide. We seek an exceptional team leader who can inspire and maximize the potential of our talented engineering team. If you thrive on tackling operational and organizational challenges while focusing on the performance, scalability, and architecture of our platforms (backend, frontend, and mobile), you’ll find a rewarding experience with us.You will report directly to our CTO and Co-founder, enjoying a role filled with diverse responsibilities and growth opportunities as the company evolves.

airapps seeks an iOS Engineer in Amsterdam to help create mobile apps that offer strong user experiences and keep users engaged. The team values high standards for usability and performance, aiming to deliver quality applications that stand out in the market. Key responsibilities Develop and maintain iOS applications as part of the airapps product suite Collaborate with colleagues to design features that attract and retain users Share creative ideas to enhance app functionality and increase user satisfaction Location This role is based in Amsterdam.

Join nebius as an Enterprise Network Engineer and play a pivotal role in designing and implementing robust network solutions for enterprises across Europe. You will collaborate with cross-functional teams to ensure optimal network performance, security, and scalability. This position offers the flexibility of remote work while being part of an innovative and dynamic team.

Join our team where innovation meets excellence in the world of data centers.About YondrYondr is a pioneering developer, owner, operator, and service provider of hyperscale data centers. Our mission is to deliver cutting-edge solutions to meet the increasing demands of businesses' data center capacity and technical real estate needs, faster and more efficiently than anyone else. We pride ourselves on self-funding, designing, delivering, and operating hyperscale data center facilities on a global scale.The RoleAs a Senior Electrical Engineer, you will have the opportunity to work with some of the most demanding clients worldwide. In this role, you will be responsible for designing, constructing, and operating power supply systems ranging from 5 volts DC to 150 kV substations, including all aspects of distribution, storage, redundancy, and uninterruptible power supplies. Your expertise will also contribute to ensuring the utmost security of our data centers through innovative installations related to fire protection, intrusion detection, and access control. You will work closely with our Operations team, engaging in risk management, assessments, and testing protocols in a live data center environment.

As a Data Engineer at Hot ITem Conclusion, you are more than just a technical expert; your understanding of data enables our clients to derive greater value from their data platforms. You translate complex challenges into scalable and innovative data architectures, playing an integral role from inception to realization. Whether building a modern data foundation for the largest amusement park in the Netherlands or a hospital in Amsterdam, your work ensures that data creates a real impact.Daily, you will engage with vast amounts of data, ensuring that billions of records are processed promptly and efficiently. Innovation is a constant theme in your work; you continually seek smart and innovative solutions.Interested in learning more about this role? Read the interview with our Data Engineer Nirwan Ahmed to discover his experiences.

Join our dynamic team at dev2 as an Endpoints Engineer specializing in Mac systems. In this exciting role, you will be responsible for designing, implementing, and maintaining robust endpoint solutions that enhance productivity and security for our users. You will collaborate with cross-functional teams to streamline operations and provide top-notch support.

Join Insify as the Vice President of Engineering and lead our dynamic engineering team in Amsterdam. In this pivotal role, you will drive innovation and technical excellence, ensuring that our engineering practices align with our strategic goals. You will be responsible for overseeing the development of cutting-edge technology solutions, enhancing operational efficiency, and fostering a culture of collaboration and continuous improvement.

Are you our future Electrical Installations Engineer?Are you looking for a diverse role filled with responsibility? Do you want to collaborate with a smart and enthusiastic team? Is electrical engineering your playground? Do you have substantial experience as an Engineer while still maintaining an open mind and a keen interest in the technical aspects of your field? If so, read on for this exciting opportunity!About NextonNexton, with approximately 280 employees, became part of Dura Vermeer Division Technology in November 2022. It consists of a group of independent companies focused on advice, design, product development, execution, and maintenance of building-related installations. As an integrated technical service provider, Nexton adds value in smart buildings, energy transition, circularity, sustainability, and as-a-service concepts. Furthermore, Nexton has ventures granting access to a network of technology partners offering a wide range of innovative and intelligent solutions.Your Key ResponsibilitiesYour designs will serve as the foundation for the AutoCAD draftsmen and BIM modelers. You will frequently review and consult with the draftsmen until the drawings are ready for approval;During project preparation, you will ensure the technical quality and progress. You will achieve this by drafting specifications for key components, creating operation manuals, and aligning your design with specifications, regulations, and approval requirements;Your project will be deemed successful if your team collaborates smoothly and efficiently, the client is satisfied, and the project is completed within budget and according to expectations.What You'll DoNexton has been active for over 20 years in designing, realizing, and maintaining complete, smart electrical installations in the entertainment sector, healthcare, special projects, and the revitalization of real estate. As an Electrical Installations Engineer, you will be responsible for designing and developing electrical installations. No two projects are the same! One moment you might work on a large or small project with design specifications for new constructions, and other times you might focus on the redevelopment of existing installations.