23/6/2026

Are you a versatile System Administrator looking to take the next step in your career and manage diverse, high-scale infrastructures? Do you want to join a leading global enterprise and work across both Microsoft and Linux environments? If yes, this is your chance to become part of a dynamic infrastructure team where your skills will directly support robust, secure, and seamless business operations!

About the roleWe are looking for a skilled System Administrator to join an established, market-leading company in the financial services and technology sector. In this role, you will be a key hands-on professional responsible for maintaining, configuring, and ensuring the high availability of our hybrid server infrastructure, collaborating with a top-tier team of IT experts.

What’s in it for you:

• Competitive remuneration package.
• Flexible hybrid work model.
• A structured, modern, and supportive global corporate environment.
• Outstanding opportunities for continuous learning and professional development.
• The chance to work with cutting-edge hybrid technologies and large-scale systems.

What you’ll be doing:

• Administer, configure, and maintain server infrastructures across both Microsoft Windows and Linux environments.
• Monitor system performance, troubleshoot hardware and software issues, and ensure maximum uptime and security.
• Manage user accounts, permissions, and access controls within Active Directory and Linux identity management systems.
• Implement and oversee system backups, data recovery procedures, and security patches.
• Support cloud deployment, virtualization, and basic networking configurations to maintain seamless system operations.
• Collaborate closely with the IT infrastructure team to optimize workflows and implement system upgrades.

What we’re looking for in a System Administrator:

• Degree in Information Technology, Computer Science, or a related field.
• +4 years of solid, hands-on experience in System Administration.
• Strong working knowledge of Microsoft Windows Server environments and/or Linux distributions (Ubuntu, RedHat, CentOS).
• Proven experience with Virtualization technologies and standard system backup solutions.
• Familiarity with script-based automation (e.g., PowerShell, Bash) will be considered a strong asset.
• Excellent problem-solving skills, a proactive mindset, and strong communication abilities.
• Fulfilled military obligations, where applicable.

+4 years of solid, hands-on experience in System Administration.

If this System Administrator vacancy sounds like you, apply now!

Have some questions first? Contact Valentina Dinamarka at +306949349444, otherwise, feel free to contact me at vdinamarka@randstad.gr.

Please note that for transparency and equity reasons, only those applications made online via our site will be assessed. After the screening of all the CVs received, we will only contact the candidates who meet the requirements of the job to arrange an interview. All applications are considered strictly confidential.

23/6/2026

Are you a talented Senior DevOps Engineer who thrives on automating complex processes and ensuring systems run flawlessly? We are looking for an expert to join a high-impact project within the banking sector, translating client requirements into robust functional specifications and driving digital transformation.

The position is full-time, based in Athens, operating under a hybrid work model.

The company offers:

• Competitive remuneration package and benefits.
• Ticket restaurant vouchers.
• Hybrid working scheme, providing flexibility and work-life balance.
• Join an international company with a fast-paced working environment and a rich heritage in financial solutions.
• Work within a dynamic and flexible team dedicated to driving impactful financial strategies and digital transformation.
• Thrive in an environment that prioritizes integrity, excellence, and professional growth.
• Continuous learning: Gain unlimited access to e-learnings and modern training methods to keep your skills at the cutting edge.

In this role, you will be responsible for a variety of tasks aimed at optimizing the development lifecycle and infrastructure:

• Implement, maintain, and enhance CI/CD pipelines in Jenkins to automate quality checking, building, packaging, and deployment.
• Utilize scripted and parameterized pipelines, integrating tools such as Git, Sonarqube, Docker, OpenShift, and LiquiBase.
• Develop and enhance web tools that automate and simplify routine release, application, and data management tasks.
• Configure and maintain health-checking and monitoring tools and dashboards using Grafana, Prometheus, and ELK stack.
• Manage application modules across various platforms including Linux, IBM AIX, Windows, and OpenShift container management.
• Work closely with clients to understand their requirements and translate them into functional specifications.

In order for your profile to match this position, you need to have the following:

• Degree in Computer Science or other relevant disciplines.
• At least 4+ years of proven implementation experience in the technologies mentioned above.
• Ability to work collaboratively as a member of a distributed team, adhering to strict deadlines.
• Excellent command of the English language (written & verbal).
• Analytical thinking with strong problem-solving abilities.
• Fulfilled military services obligations (if applicable).

Considered an Asset:

• Good understanding of RedHat Enterprise Linux and administration experience.
• Proficiency in Bash, Unix shell scripting, or Python.
• Knowledge of Jira and Confluence tools.
• Experience within the banking and financial industry.

3+ years of experience as a Devops Engineer

If you have any questions regarding this position, you can contact Konstantinos Adamopoulos at +30 6940080281, from Monday to Friday. We look forward to receiving your application, uploading your updated English CV by clicking the 'apply now' option.

In case that your application advances to the next stage, you may be automatically invited to submit a video, answering a few interview questions.

Please note that for transparency and equity reasons, only those applications made online via our site will be assessed. After the screening of all the CVs received, we will only contact the candidates who meet the requirements of the job to arrange an interview. ​All applications are considered strictly confidential.

23/6/2026

Are you an architect who thrives on big-picture thinking, governance, and steering large-scale digital transformations? We are seeking an experienced Enterprise Application Architect to join ZeniΘ, a leading retail energy provider operating in a highly regulated, dynamic market. 

In this role, you won't just be writing code—you will shape the company’s technological landscape, bridging the gap between complex business objectives, cloud ecosystems, and strategic external vendors. If you excel at balancing modernization initiatives with legacy realities, designing scalable integration patterns, and driving high-level tech strategy, this is your next challenge.

This position is full-time, hybrid based in Athens.

The company values expertise and provides an environment where you can truly own the strategic vision and drive impactful corporate evolution. In return, you will receive: 

• A competitive remuneration package.
• Hybrid Working Schedule
• Monthly ticket restaurant, besides the salary package
•  Employees’ discount program on company’s products (gas & electricity)
• Welcome pack with all the necessary IT equipment
• Opportunities to spearhead strategic initiatives and drive a major corporate digital transformation.
• A dynamic, forward-thinking working environment with exposure to modern enterprise technologies.

As an Enterprise Application Architect, you will focus on end-to-end system thinking, governance, and decision-making to ensure our architectural landscape is practical, scalable, and secure. Specifically, you will:

• Strategic Governance: Serve as the key liaison between business objectives, IT teams, application owners, and third-party providers. 
• System Integration: Define robust integration patterns and promote architectural best practices to ensure seamless interoperability between legacy platforms and modern cloud services. 
• Architectural Oversight: Evaluate, recommend, and document practical, scalable, and secure end-to-end solutions without needing to be deeply hands-on in the implementation.
• FinOps & Cost Optimization: Assess solutions from both a technical and financial perspective, contributing to smart cloud cost management. 
• Vendor & Stakeholder Alignment: Facilitate alignment, challenge perspectives, and consolidate technical solutions across a wide network of professionals and external vendors.
• Change Management: Support smooth system adoption and user experience as legacy systems are replaced and business processes evolve.

To excel in this role, you should bring a broad, well-rounded understanding of technology domains alongside a proven track record of managing complex enterprise ecosystems. We are looking for: 

• Experience: At least 5 years of proven experience in an Enterprise Application Architecture role, preferably within structured organizations with a high volume of systems.
• Technical Breadth: A solid understanding of cloud computing, APIs, system integration patterns, high-volume data flows, networking, and security principles. 
• Compliance & Standards: Ability to enforce architecture review processes ensuring solutions meet strict regulatory (e.g., SOX), security, and corporate compliance standards.
• Documentation Mastery: Proficiency in creating clear architectural documentation, data flows, and system landscapes using tools like MS Visio, Draw.io, Miro, etc.
• Education: Bachelor’s degree in Computer Science, Software Engineering, or a related field. 

5+ years of experience on Enterprise Applications

22/6/2026

Are you a Network Architect who loves seeing their designs come to life? Join a dynamic team at a leading provider of mission‑critical network services, where you’ll not only design but also lead the realization of cutting‑edge infrastructure, ensuring our clients’ networks run at peak performance.

The Network Architect position is full time and permanent, based in Athens.

The company offers to the Network Architect:

• A supportive, high‑performance work environment.
• Clear career progression paths and involvement in high-profile ICT projects.
• Comprehensive group insurance

As a Network Architect, you will join an experienced and high-level certified team, taking ownership of the entire lifecycle of complex network projects. More specifically, your duties will be the following:

• Translate complex business requirements into technical blueprints and lead their hands-on implementation and configuration.
• Act as the technical authority on-site, ensuring that the physical deployment of routers, switches, and security appliances aligns perfectly with the high-level design.
• Collaborate with the technical teams to transition legacy systems into modern, scalable architectures (SD-WAN, Cloud-Hybrid).
• Provide expert-level support for mission-critical issues, bridging the gap between design theory and real-world network performance.

As a Network Architect, you need to have the following:

• Degree in Computer Science, Information Technology, or a related field.
• Proven experience in Routing & Switching, Ethernet, VLANs, TCP/IP, and a strong desire to lead complex implementations.
• Advanced troubleshooting skills and the ability to diagnose issues within sophisticated network environments.
• CCNP or equivalent certification is a strong plus, demonstrating your deep technical expertise.

• Previous experience with Network Architecture

If you have any questions regarding this Network Architect position, you can contact Constantinos at 695 549 9060, from Monday to Friday between 10:00 and 16:00. Otherwise, feel free to contact me at ccapsiotis@randstad.gr.

We look forward to receiving your application, uploading your updated English CV by clicking the 'apply now' option.

Please note that for transparency and equity reasons, only those applications made online via our site will be assessed. After the screening of all the CVs received, we will only contact the candidates who meet the requirements of the job to arrange an interview. ​All applications are considered strictly confidential.