Senior System Expert

Location and Flexibility This position follows a hybrid model. Work can be done from home or at the RIPE NCC office in Amsterdam, which is located at Amsterdam Central Station. Candidates must already reside in the Netherlands to be considered. Compensation and Hours Annual salary between €50,000 and €64,000, including allowances and secondary benefits Full-time schedule: 37.5 hours per week Part-time arrangements are also possible Role Overview The Linux/OpenWRT Systems Engineer will support firmware development for RIPE Atlas probes, which form part of a global Internet measurement platform. This platform depends on around 14,000 volunteer-hosted probes to gather and share network performance data, including DNS queries, traceroutes, pings, NTP, and HTTP metrics. The firmware is primarily written in C, with scripting components, and is released as open source. The technology stack includes tools such as libevent and BusyBox, running on OpenWRT or Oracle Linux, and is packaged for additional operating systems. Security and stability are always prioritized throughout the development process. This role involves close collaboration with an international team that values teamwork and ongoing learning. Key Responsibilities Oversee and maintain the release process for RIPE Atlas probe firmware and software across multiple Linux-based platforms

Join Adyen as a Senior Linux Infrastructure Engineer and be part of a dynamic team dedicated to providing cutting-edge solutions. In this role, you will leverage your expertise in Linux systems to enhance our infrastructure and ensure optimal performance. You will work collaboratively with cross-functional teams to architect and implement scalable solutions that drive our global payment platform.

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.

About Gigs Gigs builds a platform that lets technology companies add global mobile connectivity to their products. The goal: make it as easy to offer mobile services as it is to set up payments. Gigs removes telecom complexity for customers ranging from fintech startups launching mobile plans to HR platforms managing work phones. The team includes about 100 people working across the US and Europe, backed by nearly $100 million from investors like Ribbit Capital, Google, and Y Combinator. Gigs brings together engineers, product specialists, and business leaders with backgrounds at Stripe, Airbnb, Shopify, and other top tech companies. The company is growing quickly and tackling both technical and regulatory challenges to make connectivity seamless. Core Values Speed: Work with urgency and treat each week as important for progress. Ownership: Take initiative when problems arise and act with autonomy. Customer Obsession: Focus on customer success as a measure of company success. Ambiguity: Use good judgment and instincts to make decisions, even with incomplete information. First Principles: Question established practices and seek to understand the reasons behind them. Role Overview: Senior IT Systems Engineer The Senior IT Systems Engineer will help ensure that everyone at Gigs has the access, tools, and support needed to work efficiently. This position focuses on building and automating corporate IT infrastructure. The role is hands-on and results-driven, joining as the third member of the Security & IT team. Locations London, Amsterdam, Berlin

Join Skytree in Our Mission for Cleaner Air!Skytree is at the forefront of the battle against climate change, pioneering innovative technologies to capture atmospheric carbon dioxide. Our goal is clear: to create a sustainable future for all by enabling the effective use or storage of carbon dioxide.Originating from the European Space Agency (ESA), we are a diverse team of exceptional scientists, engineers, and business professionals, backed by an experienced management team. Our culture thrives on innovation, collaboration, and a commitment to pushing the boundaries of technology.As we embark on an exciting growth journey, we are in search of a dedicated System Process Engineer to join our dynamic team.Your Role:In the Skytree Technology organization, which encompasses Research & Development, Engineering, and Testing, multidisciplinary teams work together to advance our groundbreaking Direct Air Capture (DAC) technology.The Process Engineering Team plays a vital role in addressing key challenges:Process Design & Optimization: Your expertise will focus on designing processes that efficiently adsorb and desorb sorbent materials while ensuring energy efficiency and high productivity.Real-World Simulation: As we prepare to deploy our innovative product, ensuring it is tailored to meet customer-specific use cases is essential. Your insights will help adapt our technology to varying conditions, such as available energy sources and environmental factors.Your contributions will be crucial in enhancing the efficiency and operational effectiveness of our DAC systems, ensuring they meet the diverse needs of our customers.

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.

Are you a networking and protocol specialist with a passion for simulation and training systems? Do you want to work in an innovative research environment where advanced simulators and interoperability are at the forefront? If so, we want to hear from you!What will you do?As a network expert in our department, you will be responsible for designing, optimizing, and managing networks and systems that connect various simulators and operational systems securely and efficiently. You will tackle issues related to network architectures, simulation protocols such as DIS and HLA, network security, and the scalability of complex simulation environments. Your contributions will be vital in enabling interoperability between simulators, operational systems, and autonomous platforms, and you will be involved in the further development of both existing and new simulation networks. You will collaborate in multidisciplinary teams with software developers, domain experts, and stakeholders to create innovative solutions for national and international clients.What do you bring?Completed university degree (Computer Science, Aerospace Engineering, or a comparable technical field);In-depth knowledge of TCP/UDP, DNS, SSL/TLS, routing, reverse proxies, switching, and VLANs;Experience with VPN technology (WireGuard, IPSec), multicast, and network security;Familiarity with Linux systems and basic scripting for task automation (bash, PowerShell, Python);Experience with virtualization/containerization (Docker, LXC, VMs on Proxmox/VMware);Experience with firewalls (e.g., OPNsense, pfSense, RouterOS);Experience in designing and managing robust, scalable network environments;You are collegial, enjoy teamwork, and possess strong communication skills (at least B2) in Dutch and English.Preferred Qualifications:Experience with simulation protocols (DIS/HLA) or willingness to learn;Affinity for simulation and training environments in an R&D context;Experience with mobile connectivity (3G/4G/5G) for exercises or experiments with live platforms;Experience with Authentication/Identity tooling (Keycloak, Authentik, Active Directory);Experience with monitoring tools (Grafana, ...;

Nederlands Lucht- en Ruimtevaartcentrum (NLR) in Amsterdam seeks a Software Engineer with a strong interest in aerospace systems. This position focuses on research and development for onboard aircraft software, emphasizing innovative approaches and sustainable solutions. Key responsibilities Develop software for aircraft systems as part of a multidisciplinary team. Translate customer requirements into clear, practical software solutions. Apply relevant regulations, ensuring all systems comply with airworthiness standards in a structured and traceable manner. Analyze specific customer needs and address complex technical questions. Manage the full software development cycle, including detailed design, implementation, and documentation of airworthy software. Work closely with colleagues on technically challenging projects that differ in scope and subject matter. Focus areas Research and development for aircraft onboard software Innovation and sustainability within aerospace systems

Are you a young academic talent in the STEM field ready to become one of the architects of the world’s most innovative simulation and training systems within military and civil aviation? Do you want to leverage your technical expertise to contribute to groundbreaking simulation technologies or master them? Join us in a collaborative environment with a multidisciplinary team of professionals in a cutting-edge high-tech setting. Here, you will not only have the opportunity for personal growth but also the resources to make a significant impact on our stakeholders! The success of aviation operations is no longer determined solely in the air but by the advanced simulations and training that precede them! – Achieve this with us.What Will You Do?As an R&D Engineer for Training Systems, you will focus on a broad development of knowledge regarding the latest simulation technologies, components, and architectures, and how to effectively and securely combine and integrate them into sustainable training system solutions for aviation. This role requires a solution-oriented and agile mindset to optimally align user requirements, desired and necessary functionality, and feasibility on technical, financial, and organizational levels. Collaborating with your colleagues, you will advocate for and connect the diverse interests of all involved stakeholders. Additionally, you will assist end-users in validating future and existing training systems, elevating these systems to a higher operational user level while ensuring compliance with aviation regulations. You will regularly collaborate with colleagues from other teams on various projects that deliver high-quality technological simulation and training solutions to end-users in aviation operations. Consider (inter)national networks with next-generation flight simulators for joint training of pilots and crew members in complex operational conditions, immersive XR environments for aircraft maintenance training, or AI-driven simulation systems supporting operational users of autonomous flying systems. Your role will also involve frequent contact and interactive working sessions with these users to develop groundbreaking comprehensive solutions. Your enthusiasm and willingness to enrich your understanding of the operational world of these users are essential. This will involve not only desk work but also on-site engagement with these operational users, along with regular collaboration with...

Anduril Industries is at the forefront of defense technology innovation, dedicated to enhancing military capabilities for the U.S. and its allies through cutting-edge advancements. We are revolutionizing the defense sector by integrating the expertise and technological prowess of the most innovative 21st-century companies. Our systems are driven by Lattice OS, an AI-enabled operating system that transforms vast data streams into a dynamic, 3D command and control interface. In an age characterized by strategic competition, Anduril is resolutely focused on delivering state-of-the-art autonomy, artificial intelligence, computer vision, sensor fusion, and networking technologies to the military swiftly, often within months rather than years.ABOUT THE JOBYou will lead the technical development of large aircraft, guiding projects from initial concept through to detailed design, production, flight testing, and ongoing support. Your responsibilities will encompass vehicle layout, airframe and propulsion system design, guidance section development, and the integration of payload and datalink systems. These multifaceted projects will require you to apply your technical expertise and leadership skills to establish objectives, assemble teams, and drive projects to successful completion. You will need to apply your intuition and prior experiences to ensure that the design, analysis, and testing processes are effective and add value. The ideal candidate will have a proven track record in executing and completing highly optimized multidisciplinary projects.WHAT YOU’LL DO:Collaborate closely with customers to develop an exportable Group 5 aircraft in the region, coordinating with Anduril Growth, Export Compliance, technical departments, and both U.S. and foreign suppliers and government experts.Engage deeply in the design process, understanding the aircraft intricately, and utilizing your knowledge of export regulations to shape technical development roadmaps, including scope, cost, and schedule for prototyping, testing, and manufacturing.Lead the technical and programmatic execution of new and existing air vehicle systems from design to fabrication and testing through to productization and support.Oversee the technical and programmatic success of your projects, establishing a clear vision and assembling teams of internal and external subject matter experts.

Are you the ambitious R&D Engineer specializing in RF System Simulations who thrives on tackling complex challenges for Defense? Do you aspire to contribute to a safer world? If so, we would love to hear from you!What Will You Do?As an R&D Engineer focusing on RF (Radio Frequency) System Simulations, you will collaborate closely with multidisciplinary teams and partners in the Defense sector. Your role involves a stimulating blend of theoretical study and practical application. You will conduct research on the functioning and influence of RF sensor systems for Defense and the aerospace industry, striving to enhance military systems and ensure their safe deployment.Become an expert in modeling and simulating RF systems, signatures, and techniques. You will contribute to the development of testing and evaluation methodologies, participate in both domestic and international tests, and analyze results. Collaborating with colleagues and international R&D institutes, you will devise innovative solutions and develop into a trusted advisor for Defense.

This is your opportunityAs a System & Network Administrator, you will be instrumental in enhancing the stability, security, and performance of our IT infrastructure at Effectory. Your expertise in managing and optimizing our servers, networks, and cloud environments will ensure that our internal systems operate seamlessly and reliably.In this role, you will collaborate closely with both internal teams and external vendors to monitor infrastructure performance, troubleshoot technical issues, and implement ongoing improvements to our IT landscape. Your responsibilities will encompass everything from maintaining network infrastructure to implementing robust security measures and supporting various infrastructure projects, all vital for fostering a secure and efficient IT environment.Additionally, you will spearhead improvements across our IT infrastructure, contributing to initiatives such as system upgrades, cloud integrations, and the implementation of new technologies that bolster the organization's growth and operational effectiveness.Your Responsibilities• Manage, maintain, and optimize servers and IT systems across the organization• Monitor system performance, availability, and capacity to ensure reliability• Troubleshoot and resolve infrastructure and network-related incidents• Administer network infrastructure including switches, routers, and firewalls• Configure VPNs, network segmentation, and connectivity solutions• Oversee cloud environments such as Microsoft Azure and support hybrid IT setups• Manage user identities and access rights through Active Directory and Azure Active Directory• Implement and uphold IT security measures and respond to security alerts• Manage backup systems and assist with disaster recovery procedures• Proactively monitor infrastructure and resolve issues before they impact business operations• Contribute to infrastructure projects, upgrades, and new technology implementations• Maintain clear and up-to-date technical documentation and system configurations

Join our dynamic Trading Systems team at Pinely as a C++ Developer! If you are passionate about optimizing trading systems and leveraging cutting-edge technology, this is the perfect opportunity for you. Our team is dedicated to enhancing the efficiency of our trading operations, utilizing everything from low-level assembly optimizations to Linux kernel modifications and FPGA integration. Your contributions will directly influence our trading performance, efficiency, and profitability.Collaborate with a group of exceptionally talented engineers, including ICPC gold medalists and CTF competition winners, who are eager to share their knowledge and expertise.

Join Lightspeed as a System Enablement Specialist, where you will play a pivotal role in empowering our teams through effective system implementations and integrations. Your expertise will help streamline processes and enhance our operational efficiency.

Patagonia, Inc. is a global outdoor apparel company based in Amsterdam, founded in 1973. The company is recognized for its dedication to environmental activism and sustainability, operating as a certified B Corporation and as a founding member of 1% for the Planet. Patagonia has provided over $145 million in grants and in-kind donations to support environmental causes around the world. Role overview The System Analyst supports Patagonia’s mission by maintaining and improving essential business systems across various departments and regions. This position focuses on identifying and resolving system issues, implementing enhancements, and managing change processes. The role works within an agile framework to help deliver solutions that align with Patagonia’s goals and best practices. Main responsibilities Systems configuration and change delivery: Handle daily system changes, enhancements, and troubleshooting. Apply structured analysis, design, testing, and release management to deliver updates that improve performance and adapt to changing business needs. Work independently within technical frameworks and agile methodologies. Solution design and documentation: Translate business requirements into detailed system specifications and functional designs. Maintain clear documentation to support implementation and scalability, and regularly update technical documents and knowledge base resources. Project support and implementation facilitation: Support cross-functional projects by converting business needs into system specifications. Validate technical feasibility, contribute to testing and rollout activities, and participate in change management to ensure system capabilities meet business objectives. Backlog management and task prioritization: Manage backlog and plan tasks during agile sprints, collaborating with stakeholders to deliver system improvements on schedule.

KPMG Nederland is looking for a Finance Applications Manager to join the team in Amsterdam. This position centers on enhancing ERP and business systems to support the firm's financial operations. Role overview The Finance Applications Manager ensures financial applications align with business goals and improve efficiency across teams. This role involves identifying areas for improvement in existing systems and working to implement solutions that strengthen financial processes. Key responsibilities Drive improvements in ERP and business systems to support strategic financial operations Ensure financial applications meet business needs and help teams operate more effectively Location This role is based in Amsterdam.

Who Are We?At Aquablu, we are revolutionizing the beverage industry with our innovative flavored water system. Founded in 2018, our vision, led by Marnix and Marc, is to provide a refreshing, healthy alternative to sugary soft drinks. Our products are now available in nearly 16 countries, and we are making a significant impact through partnerships with industry giants like Heineken, Adyen, and Marriott Hotels. Join our ambitious mission to eliminate one billion plastic bottles by 2030!“That might sound really ambitious, but our team is part of an inspiring movement in an industry that’s thirsty for change.” - Marc, Co-founder of AquabluWe are seeking an Electrical & Embedded Engineer to join our dynamic Technology team. If you are curious, driven, and eager to work on diverse electrical systems, this is the perfect opportunity for you!Your ResponsibilitiesLead the design and development of new electrical systems and PCBs to foster product innovation and ensure reliability.Analyze and rectify field non-conformities, ensuring seamless operations and addressing critical knowledge and capacity gaps.Participate in firmware development in C/C++, playing a vital role in product realization and supporting team members during downtime as required.Assess and validate component changes to uphold exceptional quality and performance standards.Embrace a versatile role, tackling both electrical and embedded challenges while collaborating with external support when necessary.Ensure our systems are innovative, scalable, and reliable.Start Date: As soon as possible

At IMC, technology is woven into the very fabric of our operations. Our proprietary software executes millions of trading decisions daily, allowing us to outpace competitors through superior speed and decision-making. Our skilled Python Development teams are responsible for creating scalable applications, tools, and automated processes to support IMC's trading and business operations across Amsterdam, London, Zug, and Mumbai. Your Key Responsibilities As a Python Software Engineer at our Amsterdam office, you will engage in developing high-performance trading systems, analytical tools, signal generation, backtesting frameworks, trade management UIs, and regulatory surveillance systems. Your role will require close collaboration with both business and technical teams, starting from requirement gathering to iterative development cycles, integrating user feedback, and implementing your enhancements. All software developed is for internal use, allowing you direct access to users who are just a few meters away, ensuring you have control over the entire development cycle. A genuine curiosity about trading and financial markets is essential, as understanding the business context is pivotal. At IMC, we empower our engineers with a high level of responsibility from the outset. You will work towards your objectives independently while being supported by a robust network of mentors and colleagues who share your enthusiasm for trading and technology. Possible tasks you may undertake include: Incorporating new signals proposed by traders into our framework. Assisting trading desks in developing essential data analytics and visualization tools. Conducting troubleshooting and performance analysis. Educating team members on how to leverage our technology within their scripts. Creating and disseminating internal Python libraries. Initiating new full-stack projects from the ground up.

Join our dynamic team at Adyen as a Staff Engineer specializing in Payments Settlement and Reconciliation. In this role, you will be responsible for ensuring accurate and timely settlement of payment transactions while enhancing our reconciliation processes. You will work closely with cross-functional teams to develop robust solutions and improve the overall customer experience.We are looking for innovative thinkers who are passionate about technology and have a deep understanding of payment systems. If you thrive in a collaborative environment and are eager to take on challenges, we want to hear from you!