Network System Engineer em Porto, Portugal

ABOUT BETBY

As a fast-growing, award-winning company, Betby powers the industry with our premium sportsbook, featuring world-class risk management and seamless omni-channel support, reaching millions of players across countless markets.

With offices in Latvia, Malta, Spain, Greece and Montenegro, we offer a vibrant work culture, relocation opportunities, and full support for remote talent across the globe. Join Betby and unlock endless opportunities for growth, success, and making a real impact in the world of iGaming!

SHORT DESCRIPTION

We are looking for a experienced Scala Engineer to join our Line management team at BETBY. The team is building and maintaining platform that delivers betting odds to the sportsbook. This is a high-impact role within a cross-functional environment, working closely with multiple teams and services. 

RESPONSIBILITIES

• Routing & Traffic Management: Deploy, maintain and optimize our Linux-based routing stack, ensure fault tolerance and security.
• Virtualization Networking: Manage network configurations on Proxmox hosts, including the automation and maintenance of LACP bonds, Linux bridges, VLAN tagging and etc.
• Hybrid Cloud Connectivity: Design, deploy, and maintain secure connectivity of our on-premise bare-metal clusters with Cloud resources (VPCs) and across multiple data centers.
• Infrastructure as Code (IaC): Automate the deployment of network configurations (bonding, interfaces, BIRD configs) to ensure consistency across the fleet and reduce manual intervention.
• Security & Microsegmentation: Implement and refine firewall rules/security groups to maintain strict microsegmentation and protect internal assets.
• Performance Monitoring: Proactively monitor interface throughput, latency, and routing stability. Troubleshoot complex L2/L3 issues in a multi-DC environment.
• Collaboration: Act as the primary technical point of contact for Datacenter teams regarding upstream VLAN and switch port configurations. Act as the primary point of contact for network-related inquiries and support requests from internal teams. Evaluate, prioritize, and resolve/troubleshoot technical issues (connectivity, latency, performance and etc.) in a timely and efficient manner. Collaborate with other teams and vendors to address complex issues.
• Documentation and Process Improvement: develop and maintain clear documentation for networking infrastructure, processes, tools, and workflows to empower teammates to resolve issues via self-service and prevent issue recurrence. Create new documentation for internal use that will serve as our process guides, maintain registries of assets in order.
• Ensuring compliance with IT policies and standards, including data protection and information security.

REQUIREMENTS

• Minimum 5 years of experience in IT infrastructure management, technical support, or a related role;
• Experience with Linux-based operating systems, experience with Debian-based systems would be a plus;
• Experience with shell command line usage and basic scripting, automation tooling (Ansible, Terraform);
• Experience with virtualization technologies like VMware, KVM, VirtualBox and etc.;
• Expert-level knowledge of Linux networking stack, including netlink, namespaces, performance tuning for high-speed interfaces (10G/25G), strong knowledge of LACP (802.3ad), VLAN tagging (802.1Q), bonding, OSPF/BGP, stateful firewalls (iptables/nftables) and VPN protocols, experience with the BIRD routing daemon is highly preferred;
• Hands-on experience with AWS networking (VPCs, Subnets, Route Tables, Security Groups) and Site-to-Site VPN (IPSEC);
• Familiarity with containerization technologies like Docker and container orchestration tools like Kubernetes would be a plus;
• Excellent problem-solving skills and attention to details;
• Strong communication and interpersonal skills;
• Ability to work independently and as part of a team.

OUR STACK

• OS: Debian;
• Virtualization: KVM, Proxmox;
• Storages: Ceph, S3;
• Networking: IPsec, Open vSwitch, iptables, VRRP, OpenVPN;
• DBMS: MongoDB, PostgreSQL, ClickHouse;
• Message brokers: Kafka, RabbitMQ;
• Service orchestration: Kubernetes;
• Monitoring systems: VictoriaMetrics, Prometheus, Alertmanager, Grafana;
• Logging pipeline: Fluent Bit, Kafka, Fluentd, OpenSearch, OpenSearch Dashboards;
• Revision control and CI/CD tools: GitLab;
• Cloud services: Amazon Cloudfront/WAF/S3/EC2/EKS/ELB;
• Web services: Nginx, HAproxy;
• Configuration management: Ansible, Terraform;
• Scripting: Python, bash.

WHAT WE OFFER

• Comprehensive health insurance with coverage for your well-being
• Paid sick leave up to 10 days without medical certificate
• 20 days of paid vacation plus additional leave for important life events

• Learning and growth opportunities with support for professional development
• Language learning support for multilingual collaboration
• Modern hardware provided for your work
• International team environment across multiple countries
• Corporate events and team activities
• Welfare support program for critical situations
• Gifts and support for major life milestones 

WHY JOIN OUR DREAM TEAM?

Betbyterians is a passionate team dedicated to creating exceptional B2B betting products. United by trust, support, and fun, we aim to revolutionize online gaming, tackling challenges with agility, creativity, and teamwork. Driven by innovation and strong business practices, our achievements speak for themselves. Experience it first-hand, join us and be part of something extraordinary. Welcome to Betby!