IT Systems Administrator

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.

Are you a driven RF Signal Processing Engineer eager to craft innovative solutions for aerospace and defense? Do you aspire to contribute to a safer world? If so, we want to hear from you!Your Role:Join the security domain by leveraging your technical expertise as an R&D Engineer at NLR. In your role as an RF Signal Processing Engineer, you will be pivotal in developing algorithms to process data from operational satellites. Collaborating with your team, you will design and implement cutting-edge RF techniques used for monitoring and classifying RF signals, enhancing the effectiveness of operations within the security sector.Key Responsibilities:Design testing/simulation environments for new signal processing techniques and algorithms.Process RF data from satellites using signal processing techniques including detection, localization, filtering, tracking, and beamforming.Collaborate on the Digital Signal Processing (DSP) architecture for future satellite missions.Work within a multidisciplinary team of FPGA, System, RF, Software, and Payload Engineers.Analyze satellite observations for Intelligence, Surveillance, and Reconnaissance (ISR).Qualifications:Academic background in Electrical Engineering, Physics, Aerospace Engineering, Embedded Systems, or related fields, with relevant experience in RF Signal Processing Engineering.In-depth knowledge of radar system operations.Strong communication skills in both Dutch and English (at least B1 level).You are eager to learn, independent, inventive, and ambitious.Desire to translate innovative algorithms into practical applications for daily use.Experience in structured programming as part of a team using Git.Proficiency in prototyping with Python.What We Offer:Working at NLR means being part of a national and international high-tech environment. Collaboration and engagement are core values for us. By providing you with freedom and responsibility, we empower you to achieve groundbreaking innovations. Whether you aim to develop professionally or personally, or even pursue a PhD, NLR supports your ambitions.

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

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, ...;

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

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

Join our dynamic team at sia as a Process Consultant, where you will play a pivotal role in driving process improvement initiatives. You will work closely with various stakeholders to analyze existing processes, identify inefficiencies, and develop innovative solutions that enhance operational performance. Your expertise will guide our clients in optimizing their workflows, contributing to their overall success.

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.

Join our dynamic team at sia as a Process Analyst, where you'll play a pivotal role in analyzing and optimizing business processes. Your insights will directly contribute to enhancing our operational efficiency and driving strategic initiatives. We seek an analytical thinker with a passion for process improvement, who excels at problem-solving and possesses excellent communication skills.

At Databricks, we are dedicated to empowering data teams to address some of the most pressing challenges in the world, ranging from security threat detection to advancements in cancer drug development. We achieve this by creating and maintaining the world’s most sophisticated data and AI infrastructure platform, allowing our clients to concentrate on the critical challenges inherent to their missions. Our engineering teams design and implement highly technical products that meet genuine, significant needs globally. We operate one of the largest software platforms, comprising millions of virtual machines that generate terabytes of logs and process exabytes of data daily. Given our scale, we consistently encounter cloud hardware, network, and operating system faults, and our software must effectively shield our customers from these issues. The Delta DML team is responsible for the core write-path operations of Delta Lake, the open-source storage layer that underpins the Databricks Lakehouse. Our goal is to provide unparalleled performance and a seamless user experience at an enormous scale, with the majority of data written in Databricks flowing through our platform. We spearhead performance innovations such as Low Shuffle Merge and Deletion Vectors, while actively contributing to open-source initiatives to unify Delta and Iceberg formats. We are looking for an exceptionally skilled and experienced Senior Staff Software Engineer to join our backend team. In this role, you will play a crucial part in designing, developing, and maintaining robust backend systems that support Databricks workspaces. You will be tasked with building the next-generation platform for serving workspace assets, ensuring high queries per second, low latency, and reliable, high-performance systems while proactively addressing future growth challenges. Additionally, as a senior member of the team, you will provide technical leadership, mentorship, and guidance to junior engineers, contributing to the overall enhancement of team coding practices and system designs.

Join our dynamic team at dev2 as a Payment Process Specialist in Amsterdam! In this pivotal role, you will oversee and enhance our payment processing systems, ensuring timely and accurate transactions. Your expertise will help streamline operations and provide exceptional support to our clients.

Document Processing SpecialistStreamline the processing of mail and discover the benefits of a well-organized central archive where all information is readily accessible. Digitalization is becoming increasingly pivotal in this endeavor. Will you take charge of our (digital) mail processing and ensure it is not only well-maintained but also prepared for the future?Key Responsibilities:Mail Processing & Registration: Manage all incoming and outgoing (digital) mail, including invoices, orders, contracts, and offers. Ensure proper archiving, timely distribution to appropriate personnel, and easy retrieval of documents, adding the necessary labels, characteristics, and explanations.Archiving & Digitalization: Archive documents within the central system and actively contribute to the further digitalization of the (historical) archive.Support for Signing Process: Act as the liaison between the secretariats and management, ensuring timely presentation of documents for signature along with all relevant information while closely monitoring deadlines.Management of Classified Documents: Maintain records of classified documents and manage the classified files and data carriers.Compliance with Laws & Regulations: Adhere to all applicable laws and regulations, ensuring compliance within document processing and archiving.Innovation: Identify opportunities for further digitalization and innovation to continually enhance our mail processing.

Join dev2 as a Process Innovation Specialist focusing on partnerships. In this pivotal role, you will drive innovative solutions that enhance our collaboration strategies while optimizing our existing processes. You will work closely with cross-functional teams to identify opportunities for improvement, facilitate workshops, and implement best practices that ensure our partnerships are both efficient and impactful.

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.

At bunq, we are not merely creating a banking application; we are revolutionizing the way individuals globally experience financial independence. As our Internal Process Optimization Specialist, you will play a pivotal role in driving our operational efficiency. Your primary goal will be to assess, redesign, and automate the internal processes that our teams and users depend on daily.Embrace OwnershipIn this role, you will collaborate across the organization to pinpoint bottlenecks, eradicate inefficiencies, and develop scalable solutions.Conduct in-depth analyses of our internal workflows to uncover inefficiencies, bottlenecks, and pain points that impede team performance and success.Design, build, and maintain robust automated workflows utilizing low-code platforms (such as n8n) and custom scripts to eliminate manual tasks and streamline end-to-end operations.Transform raw operational data into clear, actionable insights. You will be responsible for creating dashboards and reports for process owners and team leads to facilitate data-driven decision-making.Engage closely with stakeholders from various departments to understand their challenges, gather requirements for process enhancements, and effectively oversee the implementation of new solutions.

Be a part of Fastned's groundbreaking efforts in revolutionizing Europe’s electric vehicle and charging infrastructure! Join a diverse team of over 450 professionals from more than 45 nationalities across 10 countries as we spearhead the transition to sustainable energy. Our commitment to reliability and clean energy makes us unique. As we expand, achieving operational excellence and harnessing smart automation will be essential to our progress. This is your chance to leave a lasting mark in a dynamic industry poised for the future.Role OverviewWe are on the lookout for a Senior Process Automation Specialist to join our Centre of Organisational Excellence team. In this pivotal role, you will establish the standards for automation practices at Fastned while developing our process architecture. Your responsibilities will include identifying, designing, and implementing automation solutions across various business processes. You will oversee process improvement and automation projects from inception to completion, ensuring they align with business objectives and meet stakeholder needs. Utilizing a diverse toolkit—including Robotic Process Automation (RPA), AI-driven solutions, and low-code/no-code platforms (such as Zapier, Make.com, and Workato)—you will enhance efficiency, scalability, and quality in our operations.Key ResponsibilitiesGovernance & Strategy Alignment: You will implement a strategic approach to automation, establishing a governance framework that integrates our automation roadmap with the overarching company strategy.Process Analysis & Improvement: You will conduct thorough mapping, analysis, and prioritization of organizational processes to identify friction points and opportunities. You will lead improvement and automation projects, ensuring cross-functional teams remain aligned and on schedule.Solution Design, Execution & Tooling: You will take the lead on solution design, ensuring that the automation initiatives are executed effectively and efficiently.

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.