Senior Systems & Security Engineer - Fintech

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.

At Sunlight Group, we are at the forefront of revolutionizing energy storage solutions tailored for industrial and advanced technology needs. Our commitment is driven by a profound passion for performance and an unwavering pursuit of continuous improvement. We maintain a conscientious approach to our environmental footprint, fostering a culture grounded in openness and respect across all interactions. With a robust customer focus, we harness data and insights to craft innovative solutions that empower our clients and enrich our collective ecosystem. Embracing an entrepreneurial spirit, we cultivate a dynamic and collaborative environment, inspiring our team through transparent communication, ongoing learning, and opportunities to realize their full potential.Our Vision: Transforming Energy Storage Solutions To Power A Sustainable Tomorrow.Our Mission: We deliver cutting-edge, high-quality energy storage solutions for industrial and advanced technology applications, steering us toward an all-electric future.We are actively seeking a Senior Systems & Cloud Engineer with extensive expertise in Microsoft technologies and Microsoft Azure to spearhead cloud migration and transformation initiatives. This role demands hands-on technical leadership, the ability to mentor engineering teams, and profound knowledge of security and networking. The selected engineer will be instrumental in designing, implementing, and securing modern cloud and hybrid environments while collaborating closely with internal customers and stakeholders.

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.

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.

At Optasia, we are a pioneering B2B2X financial technology platform dedicated to scoring, financial decision-making, disbursement, and collection. Our mission is to foster financial inclusion for everyone. We are reshaping the world in our unique way.Over the past decade, we have evolved into a global leader in the Fintech arena, continuously expanding our portfolio with innovative solutions, offerings, and unexplored monetization opportunities for our partners and clients.As a vital member of our Systems Engineering team, you will oversee the efficient provisioning, installation, configuration, operation, and maintenance of our Microsoft-based systems infrastructure. This role involves engaging in technical research and development to support ongoing innovation in our enterprise environment.Your responsibilities will ensure that Windows Server platforms, Azure services, Active Directory, and endpoint management systems are aligned with our organizational values and security standards, empowering our staff, partners, and stakeholders to function effectively and securely.Key Responsibilities:Lead the design, implementation, and enhancement of Microsoft-based systems focusing on scalability, security, and performance.Take responsibility for Windows and Azure architecture decisions, contributing to long-term infrastructure strategy and planning.Design and manage enterprise Active Directory environments, including GPO governance and identity management.Administer and optimize Windows Server 2022 / 2025 environments.Manage and enhance Microsoft Intune for endpoint lifecycle management, compliance enforcement, and secure device provisioning.Architect and support Azure environments, including identity management, networking, backups, and disaster recovery solutions.Act as a subject matter expert during critical incidents: diagnose, troubleshoot, and resolve complex Microsoft-related production issues under pressure.Drive automation initiatives using PowerShell and Azure-native tools to streamline operations and enhance reliability.Establish and uphold system hardening, compliance standards, and Microsoft security best practices (CIS, NIST, etc.).Administer and support collaboration platforms such as Jira, Confluence, and Bitbucket, ensuring integration with infrastructure workflows.Mentor and guide junior and mid-level engineers, promoting knowledge sharing and skill development.Collaborate with cross-functional teams to align infrastructure capabilities with business objectives.Evaluate and integrate new Microsoft technologies to improve system resilience and performance.

At Uni Systems, we're dedicated to transforming digital aspirations into reality. Our commitment to innovation drives our continuous growth, and we're on the lookout for a skilled .NET Engineer to become an integral part of our UniQue team.Your Role:Lead the software development lifecycle, taking on key responsibilities.Oversee customer implementations through detailed analysis, design, development, and deployment.Support system deployment and configuration efforts.Propose and implement effective technical solutions.Create and maintain thorough technical documentation, including system and code documentation, to facilitate knowledge sharing and onboarding.Diagnose and resolve complex technical challenges, providing root cause analysis and prevention strategies.Contribute to project planning sessions, offering technical insights for project estimations and ensuring timely development.Collaborate with cross-functional teams, including front-end developers, database administrators, and quality assurance engineers, to deliver top-notch software solutions.Foster a culture of continuous improvement within the development team, identifying opportunities for process enhancements and efficiency gains.

Athena Cloud Limited is on the lookout for a talented Senior Systems Engineer (Linux) to become a vital part of our outstanding team. As a leader in providing Sovereign Cloud, Sovereign AI, and Sovereign Data solutions, we are dedicated to delivering secure and innovative services that enable our clients to thrive in their digital transformations.In this pivotal role, you will be instrumental in designing, implementing, and maintaining high-performing Linux-based systems that form the core of our advanced solutions. Your deep expertise in Linux environments will be critical in enhancing system performance, resolving complex technical issues, and contributing to the operational excellence of our infrastructure.Collaboration is key, as you will work closely with other engineering teams and stakeholders to ensure seamless integration, high availability, and exceptional reliability of our systems, all within a 24x7x365 service environment.As a Senior Systems Engineer, you will also have the chance to mentor junior engineers and spearhead initiatives aimed at driving continuous improvement within our Linux operations. If you are passionate about automation, innovative thinking, and a commitment to excellence, this is an exceptional opportunity to significantly impact how we deliver our services and safeguard our clients' data sovereignty.

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.

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.

Athena Cloud Limited is actively seeking a Senior Systems Engineer (Linux and Storage) to join our dynamic and skilled team. As a premier provider of Sovereign Cloud, Sovereign AI, and Sovereign Data solutions, we are committed to empowering our clients' digital transformations through secure and cutting-edge services. In this key position, you will utilize your extensive expertise in Linux systems and storage technologies to design, implement, and maintain systems that support our innovative offerings.Your profound knowledge of Linux and advanced storage solutions will be crucial in optimizing system performance, executing effective data management strategies, and ensuring the uninterrupted operation of our infrastructure. You will work closely with engineering teams and other stakeholders to create scalable, high-availability systems tailored to meet the diverse needs of our clients.As a Senior Systems Engineer, you will lead complex projects, mentor junior engineers, and spearhead initiatives aimed at continuous improvement in Linux and storage operations. If you are passionate about leveraging technology to safeguard data sovereignty while driving innovation in a fast-paced environment, we invite you to explore this opportunity with us.

Become a part of Intralot as a Senior Cloud Engineer!In your role as a Senior Cloud Engineer within our Enterprise IT team, you will play a pivotal role in the management of cloud and enterprise IT solutions.Key ResponsibilitiesArchitect, implement, and oversee cloud solutions utilizing Azure.Facilitate support for Microsoft 365 (M365) services as an integral part of our enterprise IT operations.Engage collaboratively with IT Infrastructure teams to seamlessly integrate cloud services into our enterprise applications.Continuously monitor and enhance the performance of cloud and IT infrastructure.Manage and optimize Jira for effective project and task management across our IT teams.

Are you an accomplished Systems Engineer with a solid background in Linux/UNIX systems? EUROPEAN DYNAMICS is on the lookout for a skilled professional to become an integral part of our team at our headquarters in Athens. This is a unique opportunity to contribute to our innovative organization while playing a pivotal role in the maintenance and optimization of our IT infrastructure.Key Responsibilities:Oversee a large-scale Linux/UNIX environment that underpins the company’s global IT infrastructure services, hosted services, and software development initiatives;Administer Enterprise Server Virtualization platforms, including VMware and Hyper-V;Manage and install high-performance Enterprise Grade server and storage hardware platforms;Oversee the administration of Enterprise Backup Systems;Collaborate with DevOps teams to facilitate the delivery of new IT services.Qualifications:Proven experience in Linux or UNIX systems administration, ideally within medium to large-scale IT environments;A minimum of 3 years of experience in Linux or UNIX System Administration;Familiarity with enterprise storage and backup systems, mail systems, and Open Source technologies is advantageous;A university degree in IT or a related field;Exceptional command of English, both written and verbal.Benefits:We value talent and commitment. As part of our team, you can expect the following:Competitive full-time salary;Comprehensive Private Health Coverage through the Company’s group program;Flexible Working Hours;Access to Top-of-the-Line Tools;Professional Development opportunities, including language courses, specialized training, and continuous learning;Career Growth prospects, collaborating with some of the most innovative professionals in the industry;A Dynamic Work Environment that encourages challenging goals, autonomy, and mentoring, fostering both personal and organizational growth.If you seek an exciting challenge and want to work with cutting-edge technologies, we invite you to apply! Please submit your detailed CV in English, quoting reference: (SYE/12/25).Explore our other open vacancies by visiting the career section of our website (www.eurodyn.com) and follow us on Twitter (@EURODYN_Careers) and LinkedIn.EUROPEAN DYNAMICS (ED) is a premier European Software, Information, and Communication Technologies company, operating on an international scale.

Are you an accomplished Kubernetes Systems Engineer seeking your next career opportunity? EUROPEAN DYNAMICS is on the lookout for a motivated professional to enhance our team and play an essential role in the deployment and management of Kubernetes-driven solutions. This is your opportunity to become a part of an innovative organization and significantly contribute to the success of our cutting-edge projects.Your Responsibilities:Oversee a vast Linux/UNIX environment that supports the company's global IT infrastructure services, hosted services, and software development initiatives;Set up, configure, and manage Kubernetes clusters;Support architectural enhancements and standardization within the Kubernetes environment to create scalable and robust infrastructures;Collaborate with cross-functional teams (Architecture, Development, Testing, and Service Assurance) and vendors to design and support detailed application architectures;Work with fellow engineers to diagnose and resolve Kubernetes-related issues;Manage patching for the underlying Linux systems as well as Kubernetes platforms;Assist in deployment tasks and work closely with DevOps to ensure smooth system integration;Automate routine processes;Documentation: Produce comprehensive documentation and communicate your implementation strategy effectively to team members;Issue Resolution: Collaborate with DevOps to swiftly identify and rectify issues, ensuring a highly available and efficient infrastructure;Administer Enterprise Server Virtualization platforms (including VMware and Hyper-V);Manage and install Enterprise Grade server/storage hardware platforms;Work in tandem with DevOps teams regarding the provision of new IT services.

At Uni Systems, we are dedicated to transforming digital aspirations into tangible outcomes. As we continue to expand, we seek a dynamic Presales & Bid Engineer to become part of our esteemed UniQue International Presales team.What You Will Contribute:Our UniQue team is diverse, bringing together individuals from various sectors with distinct skills and perspectives, all united by a fervor for technology and innovation. In this pivotal role, you will:Thoroughly evaluate EU call requirements.Interpret tender documentation to grasp project specifications and limitations.Conduct bid analysis in alignment with RFI, RFQ, RFPs, or Tenders’ technical and financial stipulations.Compose targeted sections of proposals that fully address EU call criteria.Develop compelling pre-sales documents such as CVs, presentations, and introductory materials that showcase our organizational strengths, capabilities, and previous successes.Ensure adherence to tender specifications and submission timelines.Engage proactively in collaborative brainstorming sessions to inspire innovative proposal concepts.Participate in strategic meetings with partner organizations to guarantee seamless collaboration.

Are you passionate about cutting-edge technology and its applications in defense and security? Delian is seeking a skilled Field Engineer specializing in Drone and Counter-Drone Systems. In this role, you will be responsible for deploying, maintaining, and optimizing advanced drone systems on various missions. You will work closely with our engineering and operations teams to ensure seamless integration of these technologies into our clients' operations. This position offers the opportunity to work in a dynamic environment while contributing to innovative solutions that enhance safety and security.

At Uni Systems, we are dedicated to transforming digital visions into tangible realities. As a rapidly growing company, we are seeking a talented Drupal Engineer to become a vital member of our UniQue team.Your Contributions: Design, develop, and maintain high-quality Drupal websites, custom modules, and themes. Collaborate with Architects, Designers, and Business Analysts to effectively translate requirements into robust technical solutions. Enhance site performance, security, and scalability to ensure optimal user experience. Integrate Drupal with various third-party services, APIs, and enterprise systems. Conduct thorough code reviews, uphold coding standards, and mentor junior developers. Engage in Agile methodologies including sprint planning, retrospectives, and daily stand-ups. Keep abreast of the latest developments in the Drupal community and contribute to relevant open-source projects.

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.

Athena Cloud Limited is actively seeking an experienced Senior Engineer specializing in Zabbix, GLPI, and Wazuh to join our innovative team. As a leading provider of Sovereign Cloud, Sovereign AI, and Sovereign Data solutions, we are dedicated to offering outstanding services that ensure the security and effective management of our clients' digital assets. In this crucial position, you will take charge of deploying, configuring, and maintaining our monitoring, asset management, and security information and event management (SIEM) systems using Zabbix, GLPI, and Wazuh.Your proficiency in these robust tools will be vital for optimizing system performance and enhancing our security posture, while also facilitating an integrated workflow across monitoring, asset management, and incident response systems. You will collaborate with cross-functional teams to spearhead initiatives that maximize system uptime and responsiveness, providing essential insights that enhance our operational effectiveness.In your role as the Senior Engineer for Zabbix, GLPI, and Wazuh, you will also mentor junior engineers, guiding their development in managing these critical systems. If you possess a solid background in systems engineering combined with a passion for security and performance optimization, this role offers a unique opportunity to significantly impact our mission.

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.