We are seeking a highly experienced IT Professional to support and enhance our mission-critical systems with a focus on financial (systems) and cybersecurity infrastructure. This role is pivotal in maintaining system integrity, ensuring compliance with financial regulations, and defending against evolving cyber threats. 

Systems engineering 

• Provide tier 3 support for complex infrastructure and application issues. 

• Design, implement, and maintain high-availability systems for financial platforms. 

• Perform system performance tuning, capacity planning, and disaster recovery testing. 

• Automate operational tasks using PowerShell, Python, or other scripting tools. 

Financial systems support 

• Manage and support financial applications such as ERP systems and reporting tools. 

• Ensure systems meet security standards. 

• Collaborate with finance and audit teams to support secure data flows and reporting. 

Cybersecurity operations 

With more than 20 years of proven experience, QUALCO Group stands as a leading provider of Fintech solutions and ICT services, delivering analytics-driven, highly scalable enterprise software solutions in over 35 countries. The Group’s end-to-end technology and ICT services address diverse needs across Banking, Financial Services, Government, Utilities, Insurance, Retail, and more.

Quento Technologies, the ICT services arm of QUALCO Group, seeks a highly motivated and experienced Senior AI/GenAI - ML Engineer for build and maintain scalable and efficient machine learning pipelines. At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Our high-performing, dynamic, and collaborative environment fosters professional growth at every stage.

Your responsibilities will entail:

About Signal Maritime: Signal Maritime brings together shipping best practice with internet-age advanced analytics and management methods. Our services focus on high-performance, sustainable commercial management and the creation of innovative pooling models providing flexibility, transparency, enhanced commercial performance and more fairly distributed returns.

About the Role: We are looking for self-driven, well-organized, inquisitive individuals with a passion for shipping, technology and strong analytical skills to join our team in Athens for a graduate program of 6 months, with the possibility to extend for 18 more months (24 total). A successful graduate program can lead to a permanent position. Primary duties will be focused on Vessel Energy Performance data analysis and modeling, shipping operations and strategic projects, candidates need to be exceptionally courteous, positive, engaging, detail-oriented. 

 At Signal, we are committed to finding people who are respectful, inclusive, and team players, embodying these values in every role.

What you will do in this role

Antipollution, a member of Vasileiadis Group of Companies (V Group), is a leading provider of environmental and waste‑management solutions across the Eastern Mediterranean, Egypt, and the Balkans. Operating in six main business pillars—including Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology—we are committed to sustainability, innovation, and operational excellence.

As part of our digital-transformation agenda, we are looking for a hands-on Senior Cloud & Systems Engineer (Azure) to join the Technology & Innovation Department. You will design, implement and continually optimize our Azure-centric and hybrid infrastructure—spanning virtual machines, Azure Virtual Desktop (AVD), containers, networking and security services—ensuring high reliability, security, scalability and cost-efficiency.

Role Overview:

You will act as the technical owner for our Azure and hybrid infrastructure, covering everything from compute and virtual desktops to networking, storage, identity and security. The role is 100 % hands‑on: you will plan, build, automate, troubleshoot and continuously improve systems yourself—while collaborating closely with peers in software, data and operations.

Key Responsibilities:

Antipollution, a member of Vasileiadis Group of Companies (V Group), is a leading provider of environmental and waste management solutions across the Eastern Mediterranean, Egypt, and the Balkans. Operating in six main business pillars, including Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology, we are committed to sustainability, innovation, and operational excellence.

As part of our digital-transformation agenda, we are looking for a hands-on Senior Cloud & Infra Engineer (Azure / IoT) to join the Technology & Innovation Department. You will design, build and operate Azure-centric cloud infrastructure and an Industrial/IoT ecosystem—covering cloud services, edge devices, wired/Wi-Fi/cellular networking and electronic integrations—while enabling secure, scalable and cost-efficient operations in line with industry best practices and compliance standards.

Role Overview:

You will act as the technical owner for our Azure and IoT environments, covering everything from device connectivity and data ingestion to cloud resources, networking, and storage. The role is 100 % hands‑on: you will plan, build, automate, troubleshoot, and improve systems yourself—while collaborating with peers in software, data, and operations.

Key Responsibilities:

Antipollution, a member of the Vasileiadis Group of Companies (V Group), is a leading provider of environmental and waste-management solutions across the Eastern Mediterranean, Egypt and the Balkans. Operating in six key business pillars—including Port Reception Facilities, Emergency Response Services, Decontamination Services, Renewable Energy, Alternative Fuel Production from Waste, and Technology—we are committed to sustainability, innovation and operational excellence.

As part of our digital-transformation agenda, we are looking for a hands-on Automation & Integration Engineer to join the Technology & Innovation Department. You will design, build and operate low-code/no-code automations and enterprise-grade integrations—streamlining business processes, connecting systems and data sources, and enabling secure, scalable, and cost-efficient operations in line with relevant industry best practices and compliance standards.

Role Overview:

You will act as the technical owner of workflow automation and system-to-system integrations—analyzing requirements, architecting solutions, implementing robust flows and continuously improving reliability, performance and cost. The role is 100 % hands-on: expect to create and troubleshoot Power Automate and n8n workflows yourself while collaborating closely with peers in cloud, data, IoT and business-process teams.

Key Responsibilities:

About Signal Ocean:

Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that supports our clients in improving performance and efficiency. Insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities our solutions leverage or can be directly embedded in our client’s system topologies.

About the role

As the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We're looking for a Senior Full Stack Engineer with experience in React, someone who is curious, proactive, and passionate about building high-quality digital solutions. Signal’s Software Engineers work closely with data science, design, product, and business analysis professionals to develop robust solutions for the highly entrepreneurial domain of shipping.

Technology Stack

About Signal Ocean:

Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that supports our clients in improving performance and efficiency. Insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities our solutions leverage or can be directly embedded in our client’s system topologies.

About the role

As the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We're looking for a Senior Front-End Engineer with experience in React, someone who is curious, proactive, and passionate about building high-quality digital solutions. Signal’s Software Engineers work closely with data science, design, product, and business analysis professionals to develop robust solutions for the highly entrepreneurial domain of shipping.

Technology Stack

About METRO

METRO is one of Greece’s top employers, with over 11,500 employees. We operate My market, one of the country’s largest retail networks with 240 outlets, and are the leading company in wholesale consumer goods with 51 METRO Cash & Carry stores nationwide. As we expand our IT team, we are seeking a talented Mid/Senior Cybersecurity Engineer to join our dynamic environment and help shape the future of our infrastructure.

Are you a highly skilled and motivated Cybersecurity Engineer with a passion for safeguarding digital assets and innovative infrastructure?

If you thrive in a fast-paced environment and are eager to work in threat detection and mitigation across on-premise and cloud environments, we want you in #teammetro!

Your Role & Responsibilities

As a Cybersecurity Engineer, you will be a key technical expert, responsible for the design, implementation and operation of security solutions for on-premise, cloud, and hybrid infrastructures.  Your focus will include:

·         Firewall/WAF Infrastructure:

o    Manage and maintain firewalls / WAF such as Checkpoint, Cisco, Imperva and ensure optimal configuration and operation in cooperation with external partners.

o    Conduct regular vulnerability assessments and penetration testing.

 ·         EDR/NDR Infrastructure:

About Signal Ocean: Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, enables shipping professionals to securely handle, integrate, and assess intricate collections of private and public shipping data. Driven by advanced machine learning and artificial intelligence technologies, the platform provides tailored, exclusive insights that support our clients in achieving performance and efficiency.

About the role: At Signal, we are committed to finding people who are respectful, inclusive, and team players, embodying these values in every role.

What you will do in this role: