Mid/Senior System Administrator

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.

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 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.

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.

Athena Cloud Limited is on the lookout for passionate and talented Systems Engineers to join our innovative team. As a premier provider of Sovereign Cloud, Sovereign AI, and Sovereign Data solutions, we are committed to delivering robust security and pioneering services that enable Governments and Enterprises to excel in the digital age. In this pivotal role, you will design, implement, and maintain intricate systems that facilitate high-security information communication technology deployments across various data centers and countries.Our commitment to excellence means that we offer round-the-clock service, 24/7, 365 days a year. We take pride in our dedication to delivering exceptional service in every interaction. We invite only the most dedicated computer professionals who share our values of service excellence to apply.You will collaborate closely with cross-functional teams to evaluate system performance, diagnose issues, and implement enhancements aimed at boosting operational efficiency and reliability. Your efforts will significantly contribute to ensuring the availability and scalability of our services while providing essential support to our clients. If you are enthusiastic about technology, possess a strong grasp of systems architecture, and aspire to advance your career in a fast-paced environment, we would love to hear from you! This is a fantastic opportunity to utilize your expertise and contribute to groundbreaking solutions that protect sovereignty and privacy in the realm of cloud technology.

IKH Group develops software and robotics solutions for clients worldwide. The company has grown its team by over 80% in recent years and is preparing for new projects in 2025, focusing on digital transformation, custom software, and robotics. Blend Technologies, an IKH Group division, delivers technology and innovation services for Industry 4.0. The team works with cloud, cybersecurity, and AI, building solutions for clients adapting to new technologies. Role Overview IKH Group is hiring a Senior Cloud Engineer in Athens, Attica, Greece. This role will join a team working on upcoming projects in cloud infrastructure and digital transformation. The Senior Cloud Engineer will contribute technical expertise to new and ongoing initiatives within the group.

As a part of our continuous growth, we are seeking a Senior Cloud Solutions Architect to enhance our UniQue Enterprise & Presales Solutions Business Unit. In this pivotal role, you will be instrumental in designing, defining, and implementing intricate IT projects that translate common services and product requirements into robust, end-to-end technology solutions.What You Will Bring to the Team:Our UniQue team is composed of diverse professionals from various backgrounds and industries, each sharing a common passion for technology and innovation. For the Senior Cloud Solutions Architect position, your responsibilities will include:Creating and defining complex IT solutions utilizing PaaS cloud services and cloud-native technologies.Facilitating white-boarding sessions and architectural reviews with clients.Conducting demonstrations and Proof of Concepts (PoCs) on public cloud platforms.Generating high-quality documentation for solution designs.Serving as a trusted advisor to both internal and external clients, providing guidance on the usage and optimization of cloud technologies.Effectively managing multiple projects while taking ownership of architecture design.Collaborating with internal teams such as Account Management, Professional Services, Delivery, and public cloud vendors.Staying updated with emerging technologies and employing a creative approach to designing innovative solutions.

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.

Join our dynamic and innovative UniQue Team at uni-systems as an Azure Cloud Solutions Architect. In this role, you will be at the forefront of digital transformation, leading exciting projects in a fast-paced environment that fosters growth and creativity.Designing, implementing, and optimizing cost-effective and scalable cloud architectures.Collaborating with business stakeholders to create cloud-based solutions that drive organizational goals.Transforming legacy systems to modern cloud solutions to enhance operational efficiency.Ensuring robust security measures are in place to protect cloud environments and prevent outages.Assessing risks associated with third-party platforms and frameworks.Identifying opportunities to digitize and streamline business operations.Developing and maintaining internal cloud applications tailored to organizational needs.Facilitating data migration and process transition to cloud infrastructures.Minimizing data leakage and downtime through proactive measures.Staying abreast of the latest cloud computing best practices and continuously improving the company's cloud infrastructure.Engaging with cross-functional teams including Sales, Operations, and IT for seamless project execution.Communicating effectively with stakeholders to translate project requirements into actionable applications.Making informed recommendations on hardware and software based on project and organizational needs.

Optasia is a cutting-edge B2B2X financial technology platform specializing in scoring, financial decision-making, disbursement, and collection. Our mission is to promote financial inclusion for everyone. We are transforming the financial landscape in our unique way.We are on the lookout for passionate professionals who are energetic, results-oriented, and possess a can-do attitude. Join our dynamic team of innovators dedicated to delivering top-notch solutions in an exhilarating environment.As a vital member of the Systems Engineering team at Optasia, you will oversee the efficient provisioning, installation/configuration, operation, and maintenance of our systems hardware and software, along with associated infrastructure. Your contributions will include participating in technical research and development to foster ongoing innovation within our infrastructure. You will ensure compliance with organizational values by upholding high standards in system hardware, operating systems, software systems, and related procedures, thereby empowering staff, volunteers, and partners.

Become a part of Intralot as a Senior Cloud Engineer!As a vital member of our Enterprise IT team, you will play an instrumental role in the management and deployment of cloud and enterprise IT solutions.Key ResponsibilitiesDesign, implement, and oversee cloud solutions utilizing Azure.Provide support for Microsoft 365 (M365) services as part of our enterprise IT operations.Work 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.Administer and fine-tune Jira for effective project and task management across IT teams.

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.

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.

Uni Systems is expanding its team in Athens and seeks a Senior DevOps Engineer to help build efficient, reliable systems. This position centers on supporting teams so they can deliver software quickly and securely. Main responsibilities Oversee, enhance, and maintain CI/CD pipelines, automate infrastructure, and handle cloud operations. Establish and uphold automation protocols across development, testing, and operations. Collect and document both technical and business requirements for automation tools, ensuring alignment with compliance standards. Implement controls to maintain automation policies and compliance requirements. Streamline development, testing, and deployment processes to eliminate bottlenecks and improve performance. Collaborate with developers and other teams to ensure infrastructure and automation support secure, reliable, and rapid software delivery. Work with QA teams to support end-to-end quality assurance. Join architectural discussions, assist with performance tuning, and participate in middleware integration. Document procedures for managing and administering automation tools. Evaluate DevOps practices, conduct performance reviews, and identify areas for improvement. Review service stacks to strengthen resilience and operational efficiency. Lead solution design to validate environment deployments. Develop solutions for retrieving, modifying, and reusing test data. Create and scale strategies, standards, guidelines, and governance for DevOps practices. Location This role is based in Athens, Attica, Greece.

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 dynamic team as a Cloud Operations Engineer at Netcompany1, where you will play a pivotal role in managing and optimizing our cloud infrastructure. You will collaborate with cross-functional teams to ensure high availability and performance, while implementing best practices in cloud operations.

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.

Our Core Values: Trust | Respect | Team SpiritOur Key to Success: The exceptional individuals on our team, whose integrity and skills set us apart!We are on the lookout for an experienced Senior DevOps Engineer to join our innovative team. The ideal candidate will possess extensive hands-on experience with cloud technologies, automation, containerization, and application development. You will be instrumental in designing, deploying, and sustaining scalable solutions while collaborating with cross-functional teams.Position Overview:Your daily responsibilities will encompass:Designing, implementing, and maintaining CI/CD pipelines utilizing Azure DevOps / Azure Pipelines and Jenkins.Managing containerized applications with Docker or Podman.Deploying applications in RHEL Linux environments.Developing and maintaining automation scripts using Python.Configuring and sustaining JBoss / WildFly application servers.Building and managing applications based on Spring Boot and Node.js.Overseeing builds and dependencies with Maven.Working with Oracle databases and managing schema updates using Liquibase.Collaborating with development teams to ensure secure, reliable, and efficient deployments.