At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

Quento Technologies seeks a highly skilled MLOps Engineer to join our team in large and medium scale AI projects for our customers. The ideal candidate will be responsible for designing, building, and maintaining the infrastructure, pipelines, and tooling necessary to deploy, monitor, and scale machine learning (ML) models in production, ensuring that ML solutions are robust and efficient

Your responsibilities will entail:

Overview

Union Maritime is a leading global shipowner and shipping solutions provider, powering global trade by transporting essential cargo safely, sustainably, and efficiently. We operate with an unwavering commitment to excellence, leveraging extensive maritime expertise and innovative technologies to deliver reliable and agile services, enabling our partners to unlock new growth opportunities. We strive to build long-term partnerships and foster a culture of sustainability that creates value for our customers, crew, and the global communities we serve.

We prioritise safety and environmental responsibility in all operations, continuously embracing digital innovation to optimise performance and reduce our ecological footprint.

Role summary

We are seeking a highly experienced and well-connected Technical Compliance Manager to join our dynamic team. The successful candidate will play a critical role in navigating the complex and evolving landscape of international maritime regulations, with a particular focus on environmental compliance and the transition to alternative fuels. This position requires a proactive individual with deep industry knowledge, exceptional communication skills, and a strategic mindset to assess the impact of regulations on our fleet and future operations.

Requirements

We are QUALCO, the technology arm of Qualco Group, with over 25 years of experience in delivering innovative solutions to the financial sector. We serve clients in over 30 countries, helping banks and other financial institutions manage credit and loans effectively while ensuring full regulatory compliance. Our advanced software leverages analytics, artificial intelligence, and digital technologies to support every stage of the credit and lending lifecycle, remaining at the forefront of fintech innovation. 

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

Quento Technologies seeks a highly motivated and experienced 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:

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 

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

Quento Technologies seeks a highly motivated and experienced 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: