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The Senior Platform Engineer plays a critical role in Patch Management, Vulnerability Management, and Technical Security Testing (including internal vulnerability scanning using tools such as Qualys) across Mastercard NPP O&T Network platforms. This position ensures the security and stability of our services by maintaining compliance with SLAs and availability targets. The role requires technical expertise, proactive risk management, and collaboration with cross-functional teams to deliver secure and resilient platform solutions.
Job Responsibility:
Act as a subject matter expert for patching, vulnerability management, and platform security posture
Perform vulnerability risk assessments and implement mitigation strategies in collaboration with technology teams
Participate in planning and execution of system/platform updates to optimise security and compliance
Conduct internal vulnerability scanning and technical security testing using industry-standard tools
Support the Security Incident Management process, contributing to root cause analysis and remediation
Provide KPI reporting and maintain accurate documentation of security activities
Work closely with internal stakeholders to raise awareness of vulnerabilities and remediation plans
Partner with development and infrastructure teams to ensure timely resolution of security issues
Identify opportunities for process improvements and automation to enhance operational efficiency
Stay informed on emerging security trends and tools, recommending enhancements where appropriate
Requirements:
Strong experience in patch management, vulnerability management, and technical security testing
Hands-on expertise with security tools (e.g., Qualys) and risk assessment methodologies
Proven ability to collaborate across teams to deliver secure platform solutions
Experience contributing to process improvements and automation initiatives
Skilled in preparing reports and presenting technical information to stakeholders
Nice to have:
Knowledge of network and platform architecture within regulated environments
Familiarity with compliance standards (PCI DSS, ISO 27001) and risk management frameworks
Strong analytical and problem-solving skills with attention to detail