E-Payment Principal Engineer

Job Responsibilities:Provide technical support for infrastructure and applications, including troubleshooting and issue resolution.Monitor and maintain the applications performance, availability and security of infrastructure and applications.Collaborate with cross-functional teams to design, implement and support infrastructure and application solutions.Perform regular system maintenance and upgrades, including patching and configuration changes.Create and maintain documentation for infrastructure and application support processes and procedures.Collaborate with vendors and third-party service providers to ensure effective delivery of infrastructure and application support.Stay up-to-date with industry trends and best practices in infrastructure and application support.Collaborate with security teams to implement and maintain security controls and measures to achieve the PCI DSS requirements.Work closely with development & operations teams to ensure the secure integration of applications with the infrastructure.Qualifications:Proven 3-5 years of experience in infrastructure and application support, preferably in the payment industry or similar high-volume transaction environment.Solid knowledge of infrastructure technologies, including servers, storage, networking and virtualization.Strong understanding of PCI DSS requirements and experience with conducting PCI assessments.Proficiency in administering and support Linux operating systems.Solid understanding of networking protocols, security principles and best practices.Experience with application servers such as Apache, Nginx, tomcat, MySQL and PostgreSQL.Familiarity with scripting and automation tools, such as Bash and Python.Familiarity with CI/CD and DevOps tools such as GitLab CI/CD, Jenkins, Ansible and K8S.Familiarity with monitoring/Logging tools such as Zabbix and ELK.Familiarity with security controls such as Firewall, WAF and SIEM.Strong analytical and problem-solving skills, with the ability to quick identify and resolve technical issues.Excellent communication and collaboration skills, with the ability to work effectively in a team environment.Strong organizational and time management skills, with the ability to prioritize and handle multiple tasks simultaneously.