Network Infrastructure Engineer - AI Data Platform

Location: Hybrid - Ashburn

Compensation: $125K - $150K

Join a lean, technical team building the critical infrastructure that delivers massive amounts of web data to companies training the world’s most powerful AI models. We operate a vast distributed crawler, granting unique access to high-quality public web data at a global scale. Our work involves building advanced pipelines for ingesting, segmenting, and annotating billions of videos, transcripts, and audio files, directly powering dataset creation for frontier AI labs.

We are looking for a talented Network Infrastructure Engineer with significant experience in infrastructure and network architecture design. You will be responsible for building and maintaining the robust physical and cloud infrastructure that powers our AI-driven platform. Your work will directly impact the efficiency, security, and performance of our systems at massive scale.

This role requires deep expertise across network architecture, physical deployment, cloud services, and automation (Infrastructure as Code).

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:

ADAPTIT S.A. is a highly specialized Group of Companies operating in the ICT sector. We offer high-quality services, innovative solutions and premium support to Telecommunication Providers, Financial Institutions, Transport Corporations, Utilities, Retail Companies, and all kinds of Enterprises wishing to re-engineer their operations to achieve higher growth, mitigate risk, increase security, and ultimately maximize revenues. As a system integrator, ADAPTIT S.A. combines the latest technology trends to offer its clients innovative tailor-made solutions and delivers high-quality turnkey projects, thus ensuring the highest possible performance of their investment. We are a member of the American-Hellenic, German-Hellenic, and Chinese-Hellenic Chambers of Commerce and have a continuous presence as exhibitors at MWC since 2012.

Role Description

We are currently seeking a Network Engineer to join our team. This is a full-time, hybrid position based at ADAPTIT S.A. in Agios Stefanos. The role involves implementing, administering, and managing network infrastructures for both enterprise and SMB customers.

The ideal candidate will have hands-on experience with multi-vendor technologies and environments, including Firewalls, Routers, Switches, and related networking solutions.

Main Responsibilities

We are seeking on behalf of our client a single family office based in Limassol, a proactive and detail-oriented IT Support Specialist to join their IT team. This role is primarily responsible for providing day-to-day IT support, ensuring the smooth operation of all IT-related systems, and assisting end-users with hardware, software, and network issues. The ideal candidate is a problem solver with strong interpersonal skills and a passion for learning and technology.

Key Responsibilities:

IT Support & Troubleshooting

• Serve as the first point of contact for IT-related queries via helpdesk, email, or in- person.
• Troubleshoot and resolve hardware, software, and network-related issues for end-users.
• Support desktop/laptop systems, printers, phones, and other office equipment.

Hardware & Software Maintenance

• Assist in installing, configuring, and updating software and hardware.
• Maintain IT inventory records (hardware, licenses, accessories).
• Conduct basic preventive maintenance and diagnostics on IT assets.

User Access & Systems Management

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 

·        Carry out on-site installation, configuration, and testing of XDR, SIEM, DLP, SOAR components as per deployment plans.

·        Perform initial troubleshooting of deployment and integration issues; resolve wherever possible or escalate to L2/L3 teams.

·        Coordinate with the client’s IT, network, and security teams for necessary access, log configurations, and policy enablement.

·        Ensure proper ingestion of logs, agent installations, network traffic configurations, and data flow for solution effectiveness.

·        Maintain detailed deployment and issue logs, prepare installation reports, and update project status to the project manager.

·        Conduct basic training for client IT/security staff on solution operation and basic troubleshooting.

·        Support acceptance testing and handover documentation.

·        Follow change management and security best practices during deployment.

Required Qualifications and Experience: 

·        Diploma/Bachelor’s Degree in Computer Science, IT, Electronics, or related field.

·        1–5 years of hands-on experience in deploying or supporting cybersecurity solutions (XDR/EDR, SIEM, DLP, SOAR) or enterprise network security solutions.

·        Sound knowledge of networking concepts (routing, switching, firewalls, proxy, VPN).

·        Working knowledge of operating systems (Windows/Linux) and endpoint security tools.

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:

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 Security Testing Specialist to prepare and execute analysis of the applications from a security point of view. 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. As a Security Testing Specialist, you will be responsible for including an analysis of the available documentation source code, of the architecture, and penetration testing.

About us

Navarino is an innovative global technology company with offices in Greece, Norway, Germany, Cyprus, the United Kingdom, Hong Kong, USA, Japan, UAE and Singapore. We develop technology solutions for the shipping industry and are a leader in our sector. Our R&D and engineering departments focus on building and enriching our product portfolio, with specialized software and services that we develop in-house.

We pride ourselves on our people and culture. We encourage innovative thinking, teamwork, and excellence. Our committed people, our values and ways of working create a dynamic, professional, fun, and family-oriented environment which delivers high value and excellence to our customers.

The Role

We are seeking a highly skilled Cybersecurity Support Engineer to join our team, focusing on our newly launched cybersecurity offerings based on Palo Alto Networks. The successful candidate will play a key role driving deployment and configuration, as well as providing advanced technical support, and liaising with both customers and Palo Alto’s consulting teams to ensure smooth implementation and customer satisfaction. This is a dynamic role for a professional with a strong background in cybersecurity who thrives in a fast-paced, innovative environment.

Key Responsibilities

Contract duration: Start with 6 months

Location: JHB

Pay rate: Negotiable

Security Architectures

The Head of Security Architecture for the organization is responsible for designing, implementing, and maintaining robust security architectures that protect sensitive data in compliance with regulations such as POPIA, GDPR. This role is critical in safeguarding the confidentiality, integrity, and availability of electronic health records (EHR), patient and employee information, medical devices, and cloud-based healthcare services. The role will focus on designing and developing security architecture that aligns business and corporate security strategy. The role will collaboratively direct Security Architects, IT, and Engineers to design and build security controls and solutions compliant with approved enterprise architecture frameworks and standards across business and digital.

What will you bring?

Risk-based decision-making - expert in ISO 27001 / NIST / CIS controls, able to quantify and articulate risk, then select proportionate, cost-effective controls.

Pen-testing & threat-modelling - scoping, overseeing, and translating results into enforceable patterns and backlog items.

Influential communication - proven ability to engage C-suite and delivery stakeholders alike, adapting style to gain agreement and drive secure-by-design culture.