About the Role

We are looking for a DevOps Engineer with a strong focus on on-premises infrastructure to join our team. You will be responsible for managing and maintaining the company’s IT infrastructure, ensuring high availability, security, and performance across systems and networks.

The ideal candidate has hands-on experience with infrastructure management, networking, and security, and is comfortable working in complex on-prem environments.

Gritter Francona is looking for a Vulnerability Assessment Team Lead to support a potential project with the Department of Homeland Security. The Lead will manage a comprehensive vulnerability management program for The Department of U.S. Customs and Border Protection (CBP). The Lead will direct a team of analysts responsible for conducting enterprise-wide vulnerability scanning, penetration testing, and specialized assessments (web, database, wireless). This is a critical leadership role that involves managing scan policies, analyzing results, and briefing CBP leadership on the most impactful vulnerabilities and remediation strategies.

Key Responsibilities:

• Lead the VA team in managing CBP's Enterprise Information System Vulnerability Management (ISVM) compliance validation.

• Oversee regularly scheduled and ad hoc vulnerability assessments, penetration tests, and specialized assessments for web applications, databases, and 802.11 Wireless networks.

• Brief CBP leadership on current and future vulnerabilities, security policies, and the results of penetration testing efforts.

• Manage and maintain a repository of VA application issues and report them to the Government VAT Team Lead.

• Direct the preparation of security testing Rules of Engagement (ROE) for government approval prior to conducting penetration testing.

We are looking for a hands-on Security Operations Engineer to own and evolve our security posture across infrastructure, endpoints, and internal systems. You will be the primary driver of day-to-day security operations — from managing protective tooling to responding to incidents and coordinating audits. This is a high-ownership role with direct impact on how the company detects, responds to, and prevents security threats.

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.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies seeks a highly motivated and experienced Senior Cybersecurity Risk Analyst to perform the development of cybersecurity risk assessment methodology and frameworks.

Responsibilities:

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 

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:

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:

Jobob Title: System Administrator

Location: Johannesburg, South Africa

Role Description:

We're seeking an experienced System Administrator to join our team in Johannesburg, South Africa. As a key member of our technical team, you'll be responsible for installing, configuring, and maintaining Linux systems, ensuring system security, performance, and reliability.

Key Responsibilities:

1. Linux System Administration

- Install and configure Linux systems

- Perform system maintenance, upgrades, and patching

- Create system backups and monitor system performance

2. System Security

- Configure and maintain system security and hardening

- Conduct OS vulnerability assessment and remediation

3. System Maintenance

- Configure and maintain LVM, filesystems, and server hardware

- Provide technical support and guidance to teams

4. Vendor Management

- Coordinate with vendors for hardware and software support

Essential Skills:

- 6+ years of experience with RedHat Linux

InfyStrat is seeking a motivated Cyber Security Analyst to join our team and contribute to our mission of safeguarding our digital assets and infrastructure. In this role, you will monitor, detect, and respond to security threats, vulnerabilities, and incidents across our systems. You'll perform risk assessments, analyze security breaches, and provide remediation recommendations while collaborating with various teams to enhance our security posture. This is a fantastic opportunity to grow your skills in a fast-paced environment while playing a critical role in protecting our organization from cyber threats.