Open Application at Hezelburcht | Amsterdam

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.

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

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, ...;

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.

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.

Join Adyen, a Leader in Financial Technology Adyen is at the forefront of providing integrated payments, data, and financial solutions for renowned customers such as Meta, Uber, H&M, and Microsoft. Our commitment to innovation makes us the preferred financial technology partner worldwide. We cultivate an environment where ambition thrives, supporting our teams to excel and take ownership of their career paths. At Adyen, we are a motivated group of individuals who collaboratively tackle complex technical challenges and deliver ethical solutions that empower businesses to realize their goals more swiftly. The Role: Senior Enterprise Applications Engineer - Atlassian We are seeking a Senior Enterprise Applications Engineer to enhance and optimize our expanding portfolio of enterprise and SaaS applications. In this pivotal role, you will integrate tooling, automation, and collaboration, leading initiatives that bolster productivity and streamline operations globally. The ideal candidate will possess extensive experience with core enterprise platforms, particularly the Atlassian suite (Jira and Confluence), and have a genuine passion for creating reliable, automated, and integrated systems.

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-house AI/ML teams. Our team collaborates with some of the most seasoned and innovative leaders and engineers in the AI cloud infrastructure sector.Our Work EnvironmentHeadquartered in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D centers across Europe, North America, and Israel. Our diverse team of over 1,400 includes more than 400 highly skilled engineers with profound expertise in both hardware and software engineering, complemented by a dedicated in-house AI R&D team.Role OverviewThe People Systems team is integral to Nebius' HR organization, leveraging technology to manage a spectrum of initiatives from end-user support and system administration to enhancing the broader HR technology ecosystem as the company expands rapidly. As a Senior HR Systems Administrator, your primary focus will be on ensuring the reliability, scalability, and governance of our HR systems landscape, particularly our HRIS, HiBob. You will act as a senior operational owner within the team, guaranteeing high-quality service delivery, maintaining system integrity, and supporting the advancement of our People Systems roadmap.In this capacity, you will work closely with HR, Recruitment, IT, Finance, and other stakeholders to tackle complex system issues, uphold robust operational processes, and spearhead initiatives aimed at improving data quality, documentation, and system reliability. Additionally, you will facilitate collaboration between the HR Systems Administrator and HR Systems Analyst roles, ensuring alignment between operational support and strategic system development.This position provides a unique opportunity to influence the operational backbone of Nebius' People Systems function, assisting in the scaling of the team’s processes, tools, and governance as our organization continues to grow.

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.

Ben jij klaar om grote, complexe projecten te leiden terwijl je een sterke verbinding met stakeholders onderhoudt? Heb je de drive om zowel strategisch als praktisch te werken? Dan is dit jouw kans!Wat ga je doen?In je rol als projectleider ben je verantwoordelijk voor het aansturen van onderzoeks- en innovatieprojecten. Je projectteams ontwikkelen en testen baanbrekende methoden en technologieën voor training, waarbij gebruik wordt gemaakt van geavanceerde simulatietechnologieën.Je taken omvatten alles van conceptontwikkeling en het bijdragen aan simulatiestandaarden tot het leveren van daadwerkelijke oplossingen aan klanten. Tevens leid je Concept Development & Experimentation studies met de faciliteiten van NLR. Dit kan zowel op locatie bij de klant als intern zijn. Je begrijpt de onderzoeksvragen en projectdoelen, geeft hier richting aan en zorgt voor een succesvolle afronding!Je onderhoudt niet alleen contact met je projectteams, maar ook met eindgebruikers, overheden, kennisinstituten en de industrie.Wat breng je mee?Minimaal 7 jaar ervaring in projectleiding van grote en complexe projecten;Een achtergrond in de high-tech sector en/of defensie op WO-niveau;Ervaring met (militaire) luchtvaartoperaties of de bereidheid om je hierin te verdiepen;Inzicht in relevante technologische ontwikkelingen;Uitstekende relatiemanagementvaardigheden;Een sociale instelling en een natuurlijke voorkeur voor samenwerking.Wat bieden wij jou?De mogelijkheid om bij te dragen aan complexe en maatschappelijk relevante vraagstukken.Voldoende vakantie- en ATV-dagen (in totaal 45 bij een fulltime dienstverband) voor een optimale werk-privébalans.Een eindejaarsuitkering van 8%.Bijdrage in jouw zorgkosten.Ontwikkelingsmogelijkheden via opleidingen en cursussen die aansluiten bij jouw ambities.De kans om deel te nemen aan een dynamische werkomgeving met greenfield-projecten en meerjarige roadmaps.Een hoge mate van technische uitdaging en autonomie.

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...

Are you an ambitious professional with a university background in exact or social sciences? Are you seeking a challenging role that allows you to merge your knowledge with innovation, collaboration, and personal growth? Do you get excited about working together on training and simulation to tackle complex operational issues and conduct research with a young and diverse team? If so, we want to hear from you!What will you do?As an R&D Engineer in Operational Simulation, you will solve complex military operational questions by applying simulation techniques. This includes areas such as decision-making in logistics chains, planning and prediction problems, wargaming, and smart optimizations in intricate socio-technical systems. You will leverage your knowledge of system sciences to deconstruct these multifaceted questions and make them applicable within simulations. You will blend data and models, build simulations, and collaborate on how these can be used for both research and practical applications in military operations. You will bridge the realm of operational questions in the defense and security sector with the world of simulation applications.Your responsibilities include:Contributing to generating insights about the functioning of large-scale military operations, leading to simulation-based tools that enhance decision-making regarding processes and military actions;Collaborating with colleagues to analyze stakeholder needs and research to develop knowledge, skills, and tools that make a practical impact on military operations;Representing NLR to the outside world by contributing to workshops and conferences;Working alongside colleagues from other disciplines within the department, such as AI and Humans and Intelligent Systems, as well as other departments like Defense Operations.Simulations and related activities are complex systems in their own right, where a multitude of technologies converge, such as Discrete Event Simulation, ...

About the RoleAs the Director of Application Management, you will have the unique opportunity to build and professionalize a high-performing team. You will be the linchpin in the evolution of our application landscape and play a vital role in the implementation of the new low-code ERP system. Leading a team of seven application managers, you will ensure structure, direction, and prioritization.In this position, you will blend leadership with hands-on involvement, particularly during the ERP system's rollout. You will drive team innovation, mentor colleagues, and guide them through the transition to a future-ready IT landscape.Your strategic input will shape how we structure our digital operations in the coming years, impacting over 30,000 products and global deliveries. You’ll play a key role in how technology supports our trading organization.Enjoy the freedom to leverage your vision and experience to elevate application management to new heights.You will join a dynamic environment undergoing transformation, requiring clarity, courage, and direction. Your leadership will bring calm, structure, and advancement.

Are you a young academic talent in the STEM field, eager to become one of the architects behind the world's most innovative simulation and training systems in both military and civil aviation? Do you want to apply your technical expertise to develop groundbreaking simulation technologies? If so, we are looking for you! The success of aviation operations is increasingly determined not just in the air, but by the advanced simulations and training that precede them!What Will You Do?As a Junior R&D Engineer in the simulation technology team, you will focus on developing a wide array of innovative technologies, models, and components for various simulation purposes. You will conduct experiments and evaluations using cutting-edge simulation technology largely developed by your team. This collaborative work will involve close consultation with future operational end-users such as pilots, loadmasters, UAS operators, air traffic controllers, and combat leaders. You will efficiently apply your continuously evolving skills in modern software engineering methods and techniques, extended reality (XR), cloud and network technology, cybersecurity, aerospace systems, visual database modeling, simulation protocols, and interoperability standards. Together, you will create pioneering simulation technologies that truly matter. Within your team, you will frequently collaborate with colleagues from other teams on various projects that deliver high-quality technological simulation and training solutions to end-users in aviation operations. This includes networking with next-generation flight simulators for joint pilot training, immersive XR environments for aircraft maintenance training, and AI simulation systems that daily support operators of autonomous systems. You will have regular contact and interactive work sessions with these end-users to develop groundbreaking comprehensive solutions. Your enthusiasm and willingness to delve into the operational world of these users is essential, as you will not only work from your desk but also engage with these operational users on-site, often in collaboration with industry and knowledge partners worldwide.

Why We ExistAt Tony’s Chocolonely, we are dedicated to eradicating exploitation in cocoa production. We are an impact-driven company that creates delicious chocolate, not merely a chocolate company that aims to make an impact. Our incredibly tasty chocolate serves as a model, showcasing that ethical practices can coincide with commercial success. Through Tony's Open Chain (TOC), we collaborate with mission-driven partners like Albert Heijn, Ben & Jerry's, Jokolade, and Aldi to foster a fairer and more transparent supply chain within the chocolate industry.We are currently seeking an enthusiastic Environment & Forest Conservation Intern to join our team in Amsterdam!What You Will Learn:Gain hands-on experience in forestry conservation and restoration, exploring the interaction between forests and agriculture in real supply chains.Understand deforestation risk assessments and assist in implementing remediation plans that adhere to developing industry and regulatory standards.Apply your knowledge of environmental science to tackle challenges in cocoa-growing regions, focusing on reducing chemical use and promoting biodiversity among plants and animals.Enhance your skills in sustainability reporting, data validation, impact communication, and audit preparation, contributing to the annual impact report for Tony's Open Chain.What You Will Do:Your responsibilities will include supporting various projects related to environmental conservation and sustainability within the cocoa supply chain.

Organization OverviewTopTaal NT2-experts B.V. is a socially responsible educational institute dedicated to helping individuals enhance their language skills and foster independence. The organization is committed to delivering high-quality, customized education while embracing diversity and inclusion.Role OverviewAs a Functional Administrator (32-40 hours per week), you will be an integral part of the ICT team, closely collaborating with HR, Payroll, IT, and other support teams. This position reports directly to the ICT team leader, with a base in either Woerden or Amsterdam.Key ResponsibilitiesAFAS Profit:Manage and maintain the AFAS Profit system, including modules such as InSite, OutSite, Profit, and Pocket App.Translate user requests into practical system solutions.Oversee system updates and align process needs with technical configurations.Mijn TopTaal:Manage, maintain, and further develop the internal software application Mijn TopTaal.Act as a liaison between users and external developers.Create and elaborate on functional specifications and user stories.Test new functionalities and support implementations.Monitor system performance, usage, and incidents.Project and Planning Tasks:Initiate and guide technical changes.Support updates and releases for AFAS Profit and Mijn TopTaal from analysis through implementation and evaluation.Plan and prioritize maintenance tasks.Participate in system and process improvement projects.Client Interaction and Communication:Serve as a connecting link between (key) users and the technical environment through clear and accessible communication.

RIPE NCC is hiring a full-time Administrative Assistant to support the Central Support team at the Amsterdam Central Station office. This onsite position is open to candidates who currently live in the Netherlands. What you will do Handle reception duties, including answering and directing phone calls, greeting visitors, and maintaining a welcoming front desk. Support daily office operations: process deliveries, order supplies, coordinate with couriers, scan and sort mail, prepare outgoing correspondence, arrange local transportation, and manage insurance claims. Organize and confirm meeting logistics for various departments. Arrange business travel, such as booking flights, hotels, and visas. Take part in Risk Management and Compliance activities. Provide general administrative support to help the organization run smoothly. Team environment The Central Support team is made up of four colleagues who work closely together. The group values openness, teamwork, and a service-oriented mindset. Initiative and attention to detail are important in this setting. Requirements Reside in the Netherlands. Only applications from candidates living in the Netherlands will be considered. Work onsite at the Amsterdam Central Station office for 37.5 hours per week. Compensation and benefits Salary: Annual gross salary ranges from EUR 36,000 to 44,000 before taxes. The role also includes excellent secondary benefits.

About UsTebi is revolutionizing the hospitality industry with our innovative Connected Restaurant Management System designed to optimize service efficiency. Our platform seamlessly integrates sales, reservations, kitchen preparation, payments, and insightful analytics into a single user-friendly interface.Founded by Arnout Schuijff, co-founder of Adyen, and supported by €50 million in funding from leading investors like Index Ventures and CapitalG, Tebi is committed to enhancing the hospitality experience. Our solution is trusted by thousands of restaurants, cafés, bars, and coffee shops across the Netherlands, the UK, and beyond.About the RoleWe are seeking a skilled Senior Application Engineer to enhance the core experience for numerous restaurant teams. This senior-level position emphasizes the development of high-performance applications across mobile platforms.Your responsibilities will include leading the development of cross-platform features, collaborating closely with design and product teams, and contributing to backend components as necessary. A strong product mindset, a passion for developer experience, and a commitment to building better software more efficiently are essential for this role.This position is perfect for candidates with a proven track record in delivering real-world applications, eager to make impactful technical decisions within a dynamic team.ResponsibilitiesDevelop and maintain our app architecture for both Android and iOS platforms.Design and implement shared business logic and client-side code, as well as platform-specific UI components where necessary.Collaborate with designers, product managers, and fellow engineers to create intuitive and engaging product experiences.Contribute to backend services to ensure smooth integration and performance across all components.Continuously enhance build tooling, developer experience, and code quality.Play a pivotal role in shaping Tebi's expansion into new markets, languages, and user demographics.What You’ll Need8+ years of software engineering experience, with a strong focus on mobile application development.Extensive experience in building and deploying Android applications; familiarity with iOS and cross-platform development methodologies.Proficiency in Kotlin.Ability to take ownership of architectural decisions and effectively collaborate with cross-functional teams to deploy features.Passion for software development and a commitment to quality and efficiency.

Role overview Speechify seeks a Senior Software Engineer specializing in Windows and desktop applications. This role involves designing and building software aimed at improving accessibility and enhancing the user experience. What you will do Develop and enhance desktop applications for the Windows operating system Collaborate with design, product, and engineering teams to deliver new features and updates Maintain high standards for software quality and usability Location This position is located in Amsterdam, Netherlands.

Are you passionate about diving deep into the intricacies of laws, regulations, and collective labor agreements? Do you thrive on understanding the implications of new legislation on payroll, and enjoy the thrill of calculating salaries down to the last cent? If this resonates with you, seize the opportunity to apply as a Payroll Administrator in Amsterdam!Regardless of whether you refer to yourself as a Payroll Specialist, Payroll Administrator, or a member of the payroll team, you and your colleagues play a crucial role in ensuring accurate salary processing and contributions for our diverse clientele. At YouServe, you will be working with various clients, ranging from large corporations to local businesses, including supermarket chains and amusement parks.This role not only offers variety but also presents numerous challenges as you navigate different labor agreements and regulations. When changes occur, you’ll be the one to investigate how these affect payroll taxes and social security. Your responsibilities include:Managing payroll for your designated client portfolioMaintaining accurate records by collecting, verifying, processing, and archiving client informationProcessing changes such as salary adjustments or personal data updatesStaying informed about updates to tax regulations, laws, and payroll administration guidelinesTimely preparation and disbursement of salaries for your clients