Τηλεπικοινωνίες, Πληροφορική 4

Our client, a newly established proprietary trading firm operating as an AI-first organization, is building sophisticated trading systems designed for massive scale and performance.They are seeking a Senior DevOps Engineer who takes full ownership — someone who thinks in systems, builds with scalability and resilience in mind, and takes pride in creating reliable, production-grade infrastructure. This is a role for an engineer who cares as deeply about automation, cloud infrastructure, security, and system reliability as they do about the quality and efficiency of every deployment.You’ll play a critical role in designing, optimising, and maintaining high-performance infrastructure that underpins intelligent, data-driven trading at scale. You’ll help build robust CI/CD pipelines, improve system observability and reliability, and ensure infrastructure can scale securely and efficiently as the business grows.Job ResponsibilitiesDesign, manage, and improve AWS production and staging environments.Build and maintain CI/CD pipelines and automated deployment processes.⁠Define and manage infrastructure using Terraform/ Infrastructure as Code.⁠Manage containerized applications using Docker and Kubernetes.⁠Manage Kubernetes application deployments⁠Implement and maintain GitOps workflows⁠Implement monitoring, centralized logging, metrics, and alerting.⁠Design and maintain backup, recovery, and disaster recovery processes.⁠Manage cloud networking, DNS, load balancing, certificates, secrets, and access controls.⁠Improve infrastructure security, scalability, performance, reliability, and cost efficiency.⁠Support production incidents, troubleshooting, root-cause analysis, and remediation.⁠Automate repetitive infrastructure and operational processes.⁠Work closely with development teams to ensure applications are deployed and operated reliably.⁠Contribute to cloud architecture and infrastructure standards.Requirements5+ years of DevOps, SRE, Platform, or Cloud Engineering experience.Strong hands-on experience with AWS.⁠Strong experience with Terraform and Infrastructure as Code.⁠Strong experience with Docker and Kubernetes.⁠Experience with Kubernetes deployment management.⁠Strong experience designing and maintaining CI/CD pipelines.⁠Experience with GitOps practices⁠Strong Linux administration skills.⁠Strong understanding of networking, DNS, firewalls, load balancing, TLS/SSL, and cloud networking.⁠Experience implementing monitoring, logging, metrics, and alerting.⁠Scripting and automation experience using Python or similar⁠Strong understanding of AWS IAM, secrets management, security, backups, disaster recovery, and high-availability architectures.⁠Strong troubleshooting and production incident-management skills.

Our client is committed to raise the bar on security and stay one step ahead of adversaries and protect their customers by building strong partnerships and incubating top talent.They’re seeking to recruit a Cyber Security Engineer. As a Cyber Security Engineer, you will play a pivotal role in the company’s mission to protect their customers’ systems and information by identifying and mitigating security risks, prioritizing actions, and proactively responding to emerging threats. You will participate in implementing security controls for the customers and you will participate in designing and architecting solutions. The day-to-day review of the company’s customers’ security posture covers implementations in almost all business and infrastructure.Job ResponsibilitiesAdminister, configure, and tune NextGen Firewalls, EDR and IDS/IPS.Administer, configure, and tune Web Filtering, Email Gateway, and VPN.Administer, configure, and tune Servers and Endpoint Security (Windows mainly)Provide recommendations for solutions, products, and technologies to meet business objectives.Provide support and maintains the day-to-day operations of customers’ security infrastructure.Active Directory policies and fine tuning like associated roles (AD, DNS, DHCP, etc.)Collaborate with partners and customers to deliver risk-based security improvements.Maintain updated documentation of customers’ security infrastructure.RequirementsUndergraduate degree in Information Technology, Computer Science, Computer Networking.At least 3 years of work experience as a Security Administrator or in a similar position, working with solutions and products in the field of IT Security.Understanding and hands-on experience regarding Cybersecurity trends, threats, procedures, mitigation techniques, cybersecurity policy development and execution.Good knowledge of networking (VLAN, switches) and protocols.Strong interpersonal and communication skills, with the ability to engage with people at all levels.Sufficient knowledge of the latest Cyber Security and Cloud technologies.The following will be considered an advantage:Experience with Checkpoint, Fortinet and Cisco.Experience with Email Security Gateways.Hands-on experience with network and Email Security.Network Security certifications, such as Fortinet Network Security Certifications.Microsoft related certifications.On the personal side:Experience and comfort in presenting and explaining cybersecurity topics to technical teams as well as senior level audience.Excellent communications and negotiation skills.Strong organizational skills.Self-drive for continuous professional development.

Our client, a newly established proprietary trading firm operating as an AI-first organization, is building sophisticated trading systems designed for massive scale and performance.They are seeking a senior developer who takes full ownership — someone who thinks in systems, architects with intention, and writes clean, production-grade code. This is a role for an engineer who cares as deeply about scalable architecture and long-term maintainability as they do about the quality and precision of every line they ship.You’ll play a critical role in shaping high-performance infrastructure that underpins intelligent, data-driven trading at scale.Job ResponsibilitiesBuild end-to-end trading platforms, dashboards, and internal systems.Develop secure, lightning-fast interfaces and backend services.Lead code reviews and maintain high standards across the stack.Requirements5+ years of Full Stack experience (React/Next.js & Node.js/Python).Experience with PostgreSQL, MongoDB, and cloud environments (AWS/GCP).A "product mindset"—you understand why you’re building, not just what.

Our client, a newly established proprietary trading firm operating as an AI-first organization, is building sophisticated trading systems designed for massive scale and performance.They are seeking a Senior DevOps Engineer who takes full ownership — someone who thinks in systems, builds with scalability and resilience in mind, and takes pride in creating reliable, production-grade infrastructure. This is a role for an engineer who cares as deeply about automation, cloud infrastructure, security, and system reliability as they do about the quality and efficiency of every deployment.You’ll play a critical role in designing, optimising, and maintaining high-performance infrastructure that underpins intelligent, data-driven trading at scale. You’ll help build robust CI/CD pipelines, improve system observability and reliability, and ensure infrastructure can scale securely and efficiently as the business grows.Job ResponsibilitiesDesign, manage, and improve AWS production and staging environments.Build and maintain CI/CD pipelines and automated deployment processes.⁠Define and manage infrastructure using Terraform/ Infrastructure as Code.⁠Manage containerized applications using Docker and Kubernetes.⁠Manage Kubernetes application deployments⁠Implement and maintain GitOps workflows⁠Implement monitoring, centralized logging, metrics, and alerting.⁠Design and maintain backup, recovery, and disaster recovery processes.⁠Manage cloud networking, DNS, load balancing, certificates, secrets, and access controls.⁠Improve infrastructure security, scalability, performance, reliability, and cost efficiency.⁠Support production incidents, troubleshooting, root-cause analysis, and remediation.⁠Automate repetitive infrastructure and operational processes.⁠Work closely with development teams to ensure applications are deployed and operated reliably.⁠Contribute to cloud architecture and infrastructure standards.Requirements5+ years of DevOps, SRE, Platform, or Cloud Engineering experience.Strong hands-on experience with AWS.⁠Strong experience with Terraform and Infrastructure as Code.⁠Strong experience with Docker and Kubernetes.⁠Experience with Kubernetes deployment management.⁠Strong experience designing and maintaining CI/CD pipelines.⁠Experience with GitOps practices⁠Strong Linux administration skills.⁠Strong understanding of networking, DNS, firewalls, load balancing, TLS/SSL, and cloud networking.⁠Experience implementing monitoring, logging, metrics, and alerting.⁠Scripting and automation experience using Python or similar⁠Strong understanding of AWS IAM, secrets management, security, backups, disaster recovery, and high-availability architectures.⁠Strong troubleshooting and production incident-management skills.