Junior HPC System Administrator

Join GRNET S.A., a leading provider of Internet connectivity and advanced e-Infrastructures, serving the Greek educational, academic, and research communities. Our mission is to bridge the digital divide and ensure equal access to knowledge. As we prepare to host the DAEDALUS supercomputer in early 2026, ranked among the world's top 30 supercomputers, we are excited to enhance the Greek AI factory - Pharos, meeting the unique demands of AI workflows.We are seeking a motivated Junior HPC System Administrator to join our dynamic team and help us deliver superior operational support for our systems. In this role, you will be integral in maintaining the high availability and efficient operation of our HPC systems, focusing on monitoring, automation, troubleshooting, and user support.You will collaborate with a talented group of professionals who are passionate about technology and innovation, dedicated to providing critical services while ensuring the highest levels of performance, availability, and security.

At Uni Systems, we are dedicated to transforming digital visions into reality. As we continue to expand our operations, we are on the lookout for a talented Procurement Administrator to join our dynamic UniQue Suppliers/Logistics team.Your Contributions to the Team:Our UniQue talent comes from diverse backgrounds and industries, equipped with varied skill sets and approaches, but united by a shared passion for technology and innovation! In the role of Procurement Administrator, you will:Conduct thorough market research for products to be procured.Engage in corporate projects, overseeing and managing purchase orders from initiation to supplier invoicing.Submit purchase orders to suppliers via all available communication channels.Ensure proper management of incoming invoices according to the company’s established procedures.Provide comprehensive information and reports related to ongoing projects.Monitor the company's asset inventory, initiate requests, and manage the entire procurement process.Participate in the submission of periodic reports to Recycling Systems.Navigate key international trade terms, including Tariff codes, INCOTERMS, and Countries of origin.

Are you an enthusiastic and motivated Junior Systems Engineer eager to launch your career? EUROPEAN DYNAMICS is on the lookout for a skilled individual to join our vibrant team and play a vital role in the upkeep and enhancement of our IT infrastructure. This is a fantastic opportunity to become part of a progressive organization and elevate your career within a team-oriented and innovative atmosphere.Responsibilities:Collaborate with a team of engineers and receive training in managing a large-scale IT infrastructure that supports the company’s global IT services, hosted solutions, and software development initiatives;Administer Enterprise Server Virtualization platforms, including VMware and Hyper-V;Oversee the management and installation of Enterprise Grade server/storage hardware platforms;Manage Enterprise Backup Systems;Work alongside DevOps teams in delivering new IT services.Qualifications:Solid foundation in Linux or UNIX systems administration, ideally within medium to large-scale IT environments;1-2 years of experience in Linux or UNIX System Administration;Familiarity with enterprise storage and backup systems, mail systems, and Open Source technologies is a plus;A relevant university degree in IT or equivalent;Proficiency in English, both written and verbal.Benefits:We are committed to recognizing talent and dedication. As a member of our team, you can expect:Competitive full-time salary;Private Health Coverage through the company’s group plan;Flexible Working Hours;Access to Top-of-the-Line Tools;Professional Development opportunities: including language courses, specialized training, and continual learning prospects;Career Growth: Collaborate with some of the most innovative professionals in the industry;A Dynamic Work Environment: Engage in a setting that provides challenging goals, autonomy, and mentorship, fostering both personal and organizational growth.If you're seeking an exhilarating challenge, want to work with cutting-edge technologies, and enjoy what you do, we invite you to join us! Please submit your detailed CV in English, referencing: (JSYSENG/12/25).Explore all our current vacancies by visiting our careers section at www.eurodyn.com and follow us on Twitter (@EURODYN_Careers) and LinkedIn.EUROPEAN DYNAMICS (ED) is a prominent European company specializing in Software, Information, and Communication Technologies, with a strong international presence.

Are you an experienced System Administrator/Engineer looking for an opportunity to make a significant impact in Greece? Join our team at European Dynamics and play a vital role in our diverse international projects!Key Responsibilities: Oversee and maintain critical IT operations, ensuring the smooth functioning of operating systems, security tools, applications, and servers; Diagnose and resolve hardware, software, networking, and system-related issues effectively; Implement security measures including access controls, backups, and firewalls to safeguard IT infrastructure; Install and configure both software and hardware systems; Manage networks, servers, and various technology tools to optimize performance; Continuously enhance security protocols and system efficiencies. Required Qualifications:Essential: Bachelor's degree in Information Technology or a related field; Proficient in English, both spoken and written; A minimum of 5 years of demonstrated experience in server-side technology and networked computing systems administration; Expertise in Linux operating systems; Familiarity with the latest technology and equipment, enterprise backup and recovery processes, and system performance monitoring tools; Experience in virtualization technologies; Solid background in IT operations. Preferred Qualifications: Experience with e-government projects; Knowledge of containerization technologies such as Docker and Kubernetes; Willingness to be on-call and available outside of standard working hours to address urgent issues. Benefits:We value talent and dedication at European Dynamics, and we offer a range of benefits, including:Attractive full-time salary;Comprehensive private health insurance via the company’s group program;Flexible working hours to promote work-life balance;Access to state-of-the-art tools and technology;Opportunities for professional development, including language courses and specialized training;Career advancement with exposure to innovative specialists in the field;A dynamic work environment that encourages autonomy, mentorship, and personal growth.If you're ready for an exciting challenge, eager to work with leading technologies, and want to enjoy your professional journey, we invite you to apply! Please submit your detailed CV in English, referencing: (SYAE/02/26).Explore our other job vacancies by visiting our careers page (www.eurodyn.com) and connect with us on Twitter (@EURODYN_Careers) and LinkedIn.

Join METRO, one of Greece's leading employers with a workforce of over 11,500 dedicated individuals. We proudly operate My market, a prominent retail network consisting of 240 outlets across the country, and maintain our position as the top company in wholesale consumer goods with 51 METRO Cash & Carry stores nationwide. As we grow our IT department, we are on the lookout for a skilled Mid/Senior System Administrator who will play a pivotal role in shaping the future of our technological infrastructure.If you possess a deep enthusiasm for cloud technologies and innovative infrastructure solutions, and thrive in a fast-paced environment, we invite you to join #teammetro!Your ResponsibilitiesCloud Infrastructure: Deploy, configure, and manage Microsoft Azure and Microsoft Fabric environments, assuring high availability, security, and scalability. Optimize AWS resources as necessary.Server & Data Center Administration: Conduct advanced administration of predominantly Windows and some Linux servers across multiple data centers, overseeing the installation, configuration, and maintenance of new hardware and software.Microsoft 365 Ecosystem: Manage Microsoft 365 services, including Exchange Online, OneDrive, Intune, and SharePoint.Systems Monitoring & Optimization: Monitor system health, event logs, and performance metrics proactively using modern management tools. Troubleshoot and resolve complex infrastructure issues to ensure seamless operations.Security & Compliance: Implement and enforce comprehensive security policies, permissions, and patch management, collaborating with the Information Security Officer to enhance infrastructure security.Collaboration & Support: Collaborate with Network Administrators to optimize network infrastructure and provide advanced technical support to the first-level helpdesk team for escalated issues.Continuous Improvement: Drive infrastructure projects with internal and external partners, stay abreast of emerging technologies, pursue relevant certifications, and actively participate in our Disaster Recovery and Business Continuity project.Apply now to become a vital contributor to METRO's technological advancement!METRO is committed to diversity and inclusion, ensuring equal opportunity for all employees.

Join our dynamic team as a Linux Administrator at netcompany1, where you will play a key role in managing and optimizing our Linux-based systems. We are seeking a skilled professional who is passionate about technology and is eager to contribute to our innovative projects.

Join our dynamic team at uni-systems as a Senior Microsoft Systems Engineer within the UniQue Modern Workplace & Cloud Services division, part of our ICT Services Technical Division. We are on a continuous growth path and passionate about technology and innovation!Your role will involve designing, implementing, optimizing, and supporting complex IT systems based on Microsoft technologies. You will be responsible for managing both remote and on-site IT infrastructure for our clients while also investigating and resolving technical issues.

Join uni-systems as a Senior Project Manager and take on the challenge of leading diverse projects across various domains. In this pivotal role, you'll be responsible for overseeing project lifecycles, ensuring timely delivery, and maintaining high standards of quality. You'll collaborate with cross-functional teams, manage client relationships, and drive project success through strategic planning and execution.

Join our rapidly expanding team at uni-systems as a Senior Network Engineer, where your expertise will play a crucial role in our Networking department. In this exciting position, you will be tasked with the design, implementation, integration, optimization, and support of sophisticated converged networks, contributing to large-scale IT projects both domestically and across EU countries.Your Contributions:We value diverse backgrounds and encourage our UniQue team members to bring their passion for technology and innovation to the table. As a Senior Network Engineer, your responsibilities will include: Engaging in client discussions to gather requirements and provide consultancy on cutting-edge technologies and solutions. Collaborating with cross-functional teams during the presales process. Creating and updating project documentation. Leading the implementation of projects and solutions. Executing tasks related to project and solution implementation. Ensuring adherence to project timelines. Upgrading and performing other relevant tasks on client infrastructures. Providing ongoing support and troubleshooting for existing infrastructures. Conducting fault investigations in a lab environment. Mentoring and guiding colleagues on technical matters. Developing technical expertise in specific products, technologies, and solutions. Participating in events for continuous education and professional development.

At Uni Systems, we are dedicated to transforming digital aspirations into tangible outcomes. As we continue to expand, we invite an Automation Test Engineer to become a key member of our esteemed UniQue Testing team.What Will You Contribute?In this position, your attention to detail and exceptional communication abilities will be vital in ensuring the reliability and functionality of our products, applications, and systems. Your specific responsibilities will include:Identifying suitable testing methodologies, tools, and protocols to develop necessary automated tests.Designing and implementing automation scripts for both regression tests and new features.Executing and maintaining the automation suite.Utilizing defect-tracking tools to monitor and address any identified bugs.Generating comprehensive test reports.Enhancing the test automation framework.

Join our vibrant team at nynn as a Junior Bartender! In this role, you will have the opportunity to hone your skills in a dynamic environment, serving drinks and engaging with customers to create memorable experiences. If you have a passion for mixology and enjoy working in a fast-paced atmosphere, we encourage you to apply.

We are seeking a motivated and detail-oriented Junior Accountant to join our dynamic finance team at Actionline Ltd. In this role, you will assist in managing financial records, preparing reports, and ensuring compliance with accounting standards and regulations. This is a fantastic opportunity for recent graduates or those at the beginning of their accounting careers to develop their skills and grow within a supportive environment.

Join G4S, a globally recognized leader in security solutions, as a dedicated and meticulous Junior Accountant. In this vital role, you will contribute significantly to our financial department by executing daily accounting functions.Position: Junior AccountantLocation: AthensYou will report directly to the Finance Manager and assist in managing expense reports and reimbursements, entering financial data into our systems, and accurately filing and reconciling invoices.

About the Position Location: AthensBecome a vital part of our energetic finance team and lead the charge in ensuring precise, compliant, and efficient accounting practices across the organization! Key Responsibilities:Supervise and manage daily accounting functions, which encompass the general ledger, accounts payable/receivable, and month-end closures.Oversee tax accounting duties, including VAT, Intrastat, and VIES submissions.Utilize e-books for accurate reconciliation with fiscal records and ensure compliance with relevant accounting standards.Collaborate effectively with auditors, tax advisors, and external stakeholders.What You Need to Succeed: Bachelor’s degree in Accounting, Finance, or a related discipline.Demonstrated experience in financial control and tax accounting within industrial and commercial settings (3-4 years preferred).Understanding of e-books and applicable accounting principles.Exceptional analytical abilities and meticulous attention to detail.Proficiency in accounting software and advanced skills in Excel.Familiarity with SAP and financial automation tools.

Ferryscanner, based in Athens, has built an online platform that helps travelers book ferry tickets across more than 300 destinations in 25 countries. Since launching in 2018, the company has focused on making ferry travel simpler and more affordable, guided by values like ownership, trust, respect, and continuous improvement. The team is looking for a Junior RPA Engineer to support the development and upkeep of automation solutions, especially for business operations in the Finance department. This entry-level role works closely with a Senior RPA Engineer and other business teams to advance automation projects across the organization. This position is well-suited for someone early in their career who wants to learn and grow in the RPA field. The role covers the full automation lifecycle, including process analysis, workflow creation, and ongoing improvement, all with support from experienced mentors. Key responsibilities Analyze business processes to find automation opportunities, focusing on Finance operations. Assist in designing and developing RPA workflows for tasks such as invoice processing, reconciliations, reporting, and payments. Build and maintain automations using UiPath, Power Automate, and similar tools. Test automations to confirm reliability and accuracy. Monitor existing automations and help troubleshoot any issues. Help optimize and improve current workflows. Document processes, workflows, and configurations in a clear manner. Work with the Finance team and other departments to understand needs and support automation efforts. Follow best practices for security, compliance, and data privacy.

Role Overview Piraeus Bank is seeking an Operations Administrator in Athens, Attica. This role focuses on supporting daily operations and improving process efficiency across the organization. The Operations Administrator manages routine tasks, assists with a variety of administrative duties, and helps maintain compliance with both internal policies and external regulations.

Join our dynamic team at Netcompany A/S as a Senior System Engineer. In this pivotal role, you will leverage your technical expertise to design, implement, and maintain advanced systems that drive our operations forward. You will work closely with cross-functional teams to ensure the seamless integration of technology solutions that meet business needs.Your contributions will be vital in optimizing system performance and enhancing user experience. If you are passionate about technology and innovation, we invite you to apply and be part of our mission to deliver excellence.

Join Kaizen Gaming as a Database Administrator and play a pivotal role in maintaining, troubleshooting, and optimizing our MS SQL Server environments. You will ensure high availability, security, and performance in complex scenarios, while also leveraging your expertise in alternative database engines like MongoDB and CockroachDB, as well as cloud-based database management.

As a front-runner in the Energy sector in Greece, we prioritize our customers' satisfaction and continually strive to innovate our products and services. To further enhance our growth, we are expanding our teams and are currently looking for an:IT Junior Project ManagerKey Responsibilities:Assist in coordinating project roadmaps with internal stakeholders including key users, Directors, and Managers, while effectively communicating updates, risks, and changes to relevant teams.Support the monitoring of project budgets and IT CapEx to ensure efficient resource utilization and optimal budget allocation.Contribute to the planning and execution of project activities, helping prioritize tasks aligned with business objectives and CAB priorities.Collaborate with the Demand & Planning team to organize project-related tasks and conduct analyses.Assist in monitoring system configuration changes and vendor-delivered configurations.Document project progress, track UAT results, and ensure adherence to business requirements.Help manage external partners (vendors, contractors, etc.) in accordance with the agreed scope and company policies.

Are you an enthusiastic Junior Java Developer eager to become a key player in a vibrant team? Join us in Athens or work remotely, collaborating with our innovative software development unit on exciting IT initiatives for prominent international public sector organizations.Your Responsibilities: Create web and back-end applications utilizing cutting-edge software development methodologies and technologies; Engage in software architecture design and contribute valuable insights; Operate within a diverse, multi-national team environment. Essential Qualifications: Bachelor's Degree in Information Technology, Computer Science, or Software Engineering; Proficiency in Java programming; Familiarity with database systems and SQL. Preferred Qualifications:Experience with technologies such as Git, Maven, Python, or Spring Framework will be advantageous.Perks of Joining Our Team:At EUROPEAN DYNAMICS, we value and reward talent and commitment. Here are some benefits you can expect:Attractive full-time salary;Comprehensive Private Health Coverage under the Company’s group program;Flexible Working Hours to suit your lifestyle;Access to top-tier tools and technologies;Opportunities for Professional Development, including language courses, specialized training, and continuous learning;Career Advancement: Collaborate with some of the most forward-thinking specialists in the industry;A Dynamic Work Environment that encourages challenging goals, autonomy, and mentorship, promoting both personal and organizational growth.If you're ready for an exciting challenge, eager to work with innovative technologies, and want to enjoy the process, we invite you to apply! Submit your detailed CV in English, referencing: (JJP/02/26).Explore our other open positions by visiting our careers page at www.eurodyn.com and follow us on Twitter (@EURODYN_Careers) and LinkedIn.