Linux Administrator

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.

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.

Are you prepared to embark on a rewarding journey as a Linux Operations Engineer at Netcompany?As a valued member of our team, you will have the chance to work from Athens, Greece, on international projects that contribute to delivering cutting-edge IT solutions for Denmark.Your role will involve overseeing sub-projects, conducting daily stand-ups, and providing status updates to customers or project managers. Strong leadership skills will be essential as you delegate tasks and support your team members, with the guidance of a project manager to enhance your management and IT delivery capabilities.You will be joining a high-performing international team that emphasizes professionalism and collaboration. Our projects include significant IT initiatives for various Danish state entities, municipalities, and the business community.Key Responsibilities:Manage critical business systems, ensuring continuous monitoring and backups, alongside scripting and platform tuning.Collaborate with team members on security, problem-solving, and process optimization, while engaging in safety testing and incident, problem, and change management.Contribute to operational projects, including large-scale technology transitions and the planning and implementation of specific operational tasks.Utilize various cloud tools to manage and monitor infrastructure effectively.Maintain Linux-based environments for diverse projects.Work with Kubernetes platforms, managed containers, and other modern technologies.Report on tasks, activities, and Service Level Agreement (SLA) goals.Build new environments within a DevOps team.Respond to customer requests, change management, and incidents in adherence to ITIL practices.Implement Infrastructure as Code using Terraform and GITOPS with Argo CD.Participate in project work throughout the development cycle, ensuring high availability of applications and systems based on project and SLA requirements.Mentor and guide junior team members.

At Optasia, we are pioneering a transformative B2B2X financial technology platform that encompasses scoring, financial decisioning, disbursement, and collection. Our mission is to promote financial inclusion for everyone. Join us as we revolutionize the industry.Since our establishment over ten years ago, we have emerged as a global frontrunner in the fintech sector, consistently enhancing our portfolio with innovative solutions and uncovering new monetization avenues for our partners and clients.As a vital part of the Systems Engineering team at Optasia, your key responsibility will be to guarantee the stability, security, and seamless operation of our Linux-based systems. This includes managing core platforms, supporting essential services, and ensuring optimal performance across both production and staging environments.Your ResponsibilitiesAdminister and maintain Linux systems (Red Hat and Debian) across production and staging environments.Execute regular patch management, system updates, and security enhancements.Oversee and monitor system performance utilizing Nagios, Grafana, and other relevant tools.Support and maintain applications such as Passbolt, DNS, FreeIPA, Radius, Jenkins, and Red Hat Satellite.Conduct incident management, troubleshooting, and root cause analysis to secure system reliability and uptime.Engage in operations and maintenance tasks as well as system improvement initiatives.Track and manage licenses, End of Support, and End of Life for Linux assets and software.Collaborate with cross-functional teams to bolster infrastructure and authentication services.Ensure precise documentation for configurations, changes, and operational procedures.Your Qualifications3-5 years of substantial experience as a Linux Systems Engineer or Administrator.Deep understanding of Red Hat Enterprise Linux and Debian administration.Proficient in FreeIPA, DNS, and Red Hat Satellite.Familiar with Nagios, Grafana, and Radius.Strong grasp of system patching, incident management, and operations & maintenance processes.Proficient in scripting or automation (Bash, Python, Ansible).Excellent documentation, communication, and collaboration abilities.Why You Should Join UsWe Offer: Competitive salary package Additional day off on your birthday Performance-related bonus scheme All the necessary tech to work efficientlyOptasia’s Benefits: Be part of a diverse and multicultural team Engage with a unique and promising business landscape Gain insights into the future of the marketOptasia’s Core Values #1 Drive to Thrive: Fully committed to continuous evolution. We embrace challenges and learning opportunities.

Join Our Dynamic Team at Yodeck!Yodeck is at the forefront of digital signage solutions, offering a comprehensive cloud-based service that empowers users to manage screen content effortlessly. With just one Player connected to the Internet, users can control what is displayed on their screens from anywhere in the world. Our innovative platform currently manages tens of thousands of screens globally, and we are on an exciting trajectory to double our growth each year. We are dedicated to enhancing our service, ensuring our customers can maximize their investment in digital signage technology.Our mission is simple: to simplify digital signage for every business, regardless of size or budget. We believe that effective communication should be accessible to all.About the RoleWe are seeking a talented Linux Application Developer to enhance the functionality of Yodeck's Player, specifically designed for the Raspberry Pi. Our Player is primarily built using Python (95%) with some components in C (5%), allowing us to leverage both high-level programming for automation and low-level APIs for performance optimization. If you are passionate about coding and enjoy working with low-level Linux systems, this opportunity is perfect for you!Key ResponsibilitiesEnhance the primary playback logic engine of Yodeck to integrate new features, primarily using Python.Advance our Playback Engine through innovative Python development.Design and implement APIs that facilitate playback customization via our Custom Widgets.Support new hardware platforms we aim to target.Optimize Linux configurations for the Player to ensure peak performance and reliability.Collaborate effectively within a Scrum framework, transforming user requirements into actionable engineering tasks.Work closely with other departments, including Support and engineering teams, to ensure seamless communication and execution.QualificationsA minimum of 3 years of experience as a Python Developer.Extensive knowledge and proficiency in Linux environments.Strong understanding of networking concepts within Linux.Excellent teamwork and collaboration skills.Exceptional problem-solving abilities.Bachelor's degree in Computer Science, Engineering, or a related field.Fluent in English, both written and spoken.What We OfferOpportunities for increased responsibility as Yodeck continues to grow.Competitive salary and comprehensive benefits package.Performance-based bonuses and an attractive stock option plan.Individual training budget for professional development and ongoing education.A robust benefits package, including access to an office gym, nutritionist services, meal vouchers, and more.Private medical insurance.A vibrant and supportive work environment.Flexible and dynamic international workplace.Commuting expense coverage.A commitment to equal opportunity and diversity in the workplace.Yodeck is an equal opportunity employer, dedicated to fostering a diverse workforce. We are committed to providing equal employment opportunities to all applicants.

Role Overview Arista Networks is looking for a Senior Software Engineer with deep experience in Linux Kernel development and C++. This position is based in Athens. What You Will Do Design and implement software solutions that improve performance and reliability for Arista’s products. Work closely with other teams to troubleshoot, analyze, and optimize existing Linux Kernel code. Develop new features and functionality, helping to ensure systems remain efficient and scalable. Contribute technical expertise to support Arista’s networking solutions. Who We’re Looking For Strong background in Linux Kernel development. Proficient in C++. Skilled at collaborating with cross-functional teams. Experienced in troubleshooting and optimizing complex systems.

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.

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.

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 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.

Join our dynamic team at Sika AG as a Sales Administrator, where you will be an essential part of our sales operations. In this role, you will assist our sales team by managing inquiries, processing orders, and ensuring customer satisfaction. This is a fantastic opportunity for individuals looking to kickstart their careers in sales and administration.

About ActionlineActionline is a leading Greek company providing comprehensive HR solutions, specializing in Recruitment since 2011. As a candidate, you will gain access to a diverse range of projects across various industries and major corporations, with our team actively supporting your professional journey.We are currently seeking a dedicated Receptionist - Administrative Support to join our dynamic team and assist with essential functions. Location: Athens Work Model: On-site Work Days: 5-day work week Working Hours: 10:00 AM - 6:30 PMYour Daily Responsibilities:Manage the company's telephone systemHandle the company's correspondence and direct requests to appropriate departmentsProcess various requests from internal departmentsOversee the ordering of office equipment and supplies for smooth operationsProvide technical support related to PC equipment and software installationsSend packages and documents via courier servicesCommunicate and collaborate with the building managerMonitor security cameras in the officeComplete external tasks related to the companyDeliver and collect equipment from candidatesBe physically present at the office in case of emergencies outside working hoursQualifications:What We Are Looking For:A degree in Computer Science or related technical fieldFamiliarity with MS Office and general office environmentsA valid Driver's LicenseStrong proficiency in EnglishReliability and a willingness to collaborateA positive attitude and ability to communicate effectively with diverse individualsPatience and multitasking skills to handle daily demandsBenefits:Our company offers:A competitive compensation package and benefitsA supportive and friendly team environmentClear guidance and training when necessaryOpportunities for growth within the companyIf you enjoy organizing, assisting, and growing in a supportive environment, send us your resume at 4u@actionline.gr For inquiries, feel free to contact our Recruitment Department.

Join the Affidea Group, the largest provider of primary healthcare services in Europe, as we continue to expand our operations. We are currently seeking an Administrative Support Specialist to join the team at Affidea Patission!Key Responsibilities:Welcoming and assisting clients with professionalismInputting examination details and distributing resultsProviding customer service over the phone and scheduling appointmentsCoordinating and collaborating with various departments

We are seeking a highly skilled Senior Cloudera Administrator to join our dynamic team at netcompany1. As a Senior Cloudera Administrator, you will play a critical role in managing and optimizing our Cloudera platform, ensuring high availability and performance. You will work closely with cross-functional teams to implement best practices and enhance our data infrastructure.

Join Our Team!G4S Security Systems and Monitoring Services, a proud member of the global Allied Universal group, is seeking a dedicated and skilled individual to join our 24/7 Security Operations Center based in Metamorfosi, Attikí.Your Role:You will monitor and manage alerts from our clients' security systems.Provide timely updates to clients and partners regarding security incidents.Ensure customer satisfaction by adhering to company procedures and protocols.Qualifications:Strong organizational, accountability, and reliability skills.Excellent communication abilities with a passion for customer service.Proficient in using computers and relevant software.Previous experience in a Signal Reception Center, 24/7 call center, or customer service is preferred.Possession of a security personnel work permit is required, or willingness to obtain one.What We Offer:A modern and dynamic work environment with excellent working conditions.Full-time employment with rotating shifts (five-day workweek).Competitive salary package along with a monthly performance bonus.Private health insurance coverage.Ongoing training and opportunities for career advancement.If you are organized, responsible, and eager to build your career with the largest security service provider, send us your resume today!

Join Betsson Group as a Database Administrator, where you will play a pivotal role in ensuring the optimal performance of our sportsbook operations. You will be responsible for managing and maintaining our databases, ensuring data integrity, and supporting our teams with data-driven insights. This is an exciting opportunity to contribute to a leading company in the gaming industry.

Location: Athens, Attikí, Greece About nrb nrb values trust, respect, and team spirit. The company credits its success to a team of dedicated professionals who bring integrity and expertise to every project. Role Overview The PMO & Contract Management Administrator supports project delivery and contract execution across major IT and EC framework contracts. This position blends project coordination, governance, and reporting with contract administration, invoicing, and monitoring of service level agreements. The role works closely with internal teams, clients, and partners to keep projects and contracts on track. Key Responsibilities Coordinate project activities and support delivery across multiple contracts Administer contracts, manage invoicing, and monitor SLAs Prepare reports and support governance processes Collaborate with internal stakeholders, clients, and partners to resolve issues and ensure smooth execution Work Environment Work in a multicultural team where collaboration and clear communication are valued. The PMO & Contract Management Administrator plays a central role in achieving successful outcomes for both projects and contracts.

The Executive Lease, a prominent member of the Sfakianakis Group and a leader in the automotive sector, is currently seeking a dedicated Leasing Contract Administrator.Key Responsibilities:Draft, edit, and dispatch contracts and correspondence to clients.Monitor the status of contracts and engage with clients regarding outstanding matters.Input and verify financial data, including guarantees and initial rents.Collaborate with the accounting department and other teams to update changes and information.Maintain and organize both physical and electronic records.Provide essential support to sales representatives and manage internal communications.Candidate Profile:Bachelor's degree in Business Administration or a related field.Previous experience in administrative support or document management is a plus.Proficient in English (both written and verbal).Advanced skills in MS Office applications.Strong organizational skills, attention to detail, and consistency in procedures.Team-oriented with a collaborative spirit.Company Benefits:Competitive salary and benefits package.Participation in a group insurance policy.Dynamic and modern work environment.Continuous training and professional development.Opportunities for career advancement.

Join the Affidea Group, the largest provider of primary healthcare services in Europe. As part of our ongoing expansion, we are seeking a Administrative Support Specialist to become a vital member of our Affidea Central Diagnostic Center team!Key Responsibilities:Welcoming and assisting patients during their visitsData entry of examinations and distribution of resultsTyping medical reports with accuracyProviding customer service over the phone and scheduling appointmentsCoordinating and collaborating with various departments

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.