Castillians

QA Engineer

• Design, execute, and maintain manual and automated test cases
• Perform mobile application testing on Android and iOS platforms
• Participate actively in Agile ceremonies (sprint planning, reviews, retrospectives)
• Collaborate with developers and DevOps teams to ensure quality throughout the CI/CD pipeline
• Manage test cases, defects, and execution using test management tools (e.g. PractiTest)
• Perform regression, functional, integration, and user acceptance testing
• Ensure adherence to QA best practices, standards, and processes
• Report on testing progress, risks, and quality metrics
• Support continuous improvement of testing strategies and frameworks

Senior QA Engineering

Security Engineer

• Design, document, and implement secure network architectures, including segmentation (micro and macro), zero-trust principles, and secure remote access solutions.
• Administer, configure, and troubleshoot our enterprise firewall infrastructure, with a primary focus on Check Point gateways (R-series, Maestro) and management suite.
• Implement and support site-to-site and remote access VPN solutions.
• Develop scripts (Python, Ansible, PowerShell, bash) and utilize APIs to automate repetitive tasks, enforce compliance, and streamline security operations.
• Serve as an escalation point for security incidents.
• Perform forensic analysis on network traffic and firewall logs to identify and remediate threats.
• Ensure security configurations comply with internal policies and external regulations (e.g., PCI-DSS, ISO 27001, GDPR).
• Deploy, configure, and maintain other critical network security technologies such as: Next-Generation Firewalls (e.g., Palo Alto Networks, Fortinet) Web Application Firewalls (WAF) Intrusion Detection/Prevention Systems (IDS/IPS) Proxy and content filtering solutions.

Senior Network Security Engineer – Checkpoint

Full-stack Engineer

• This is a remote position.
• Working on the PortaOne project for Government related projects, handling system integration, implementation, testing and migration.
• Preparing for a PortaOne system upgrade.
• Performing the maintenance on the SIP Trunk after the successful interconnect conversion and migration.
• Coaching Junior Engineers, mentoring and training on handling normal operations and support tasks.
• Worked on SIP over TLS to secure phone calls routed over the public internet, conducted testing, attended scheduled maintenance, and collaborated closely with the relevant team on troubleshooting plans for issues encountered.
• Created a procedural documentation of their successful registration of one customer to SIP over TLS to ensure knowledge transfer and system clarity.

Senior Engineer

Business Intelligence Developer

• Preparation of server-quality datasets for customer modems.
• Investigation and analysis of internet-related issues.
• Migration of new data sources to the data warehouse.
• Collaborate on the Voice Over Wi-Fi project.

Senior BI Developer

Data Scientist

• Make necessary adjustments to the system based on the client's requirements
• Assist the team in resolving database-related issues
• Contribute to infrastructure improvements and cost-optimization initiatives
• Evaluate and propose enhancements to the Copilot system
• Analyze performance improvements
• Develop new features and prepare releases for production deployment