• Own and optimize the Elastic Security platform (Elasticsearch, Kibana, Fleet, Logstash, Elastic Agents) • Design and maintain ingestion pipelines for cloud, endpoint, network, and application telemetry • Improve telemetry quality, data retention, performance, and investigation workflows • Integrate SIEM workflows with SOAR and automation tooling • Build and maintain a Detection-as-Code pipeline using Git-based workflows and CI/CD automation • Develop, test, tune, and maintain high-fidelity detections using Elastic Security, EQL, and KQL • Reduce alert noise through tuning, enrichment, suppression, and exception handling • Map detections to MITRE ATT&CK and drive detection coverage strategy • Assist with complex alert escalations and perform initial incident scoping • Translate incident learnings into improved detections and telemetry coverage • Partner with other teams to improve logging and visibility

• Run our GRC program — then automate it. • Own how customer data moves through our stack. • Be the security gate for new tools and vendors. • Make Close best-in-class at communicating trustworthiness. • Coordinate product security audits. • Investigate and clean up security incidents. • Own our identity and device security. • Run our employee security program.

Role Description This role is responsible for identifying, attracting, and securing top-tier talent for highly specialized positions within Cyber Security and IT industry. It requires a deep understanding of the Cyber Security and IT industry landscape, including key industry players, emerging technologies, and critical skill sets. Success in this position depends on strategic networking, leveraging diverse recruitment methodologies, and building strong relationships with both candidates and hiring managers to facilitate a seamless hiring process. This role will report to the client Delivery Manager and/or Director depending on the account type. Location: Remote Responsibilities - Full-cycle recruitment management for specialized technical and niche roles, overseeing the process from requisition intake to offer negotiation and onboarding. - Development and execution of innovative sourcing strategies to engage passive candidates with specialized skill sets, utilizing industry-specific job boards, professional networks, conferences, and referrals. - Deep industry expertise in Cyber Security and IT industry, maintaining knowledge of key companies, competitive landscape, emerging technologies, and critical skill sets while acting as a subject matter expert. - Leverage expertise, market knowledge, and insights to build trust and strong relationships with hiring managers and candidates, ensuring a positive, professional recruitment experience. - Collaboration with hiring managers to understand hiring needs, provide market insights, and develop tailored recruitment strategies. - Thorough screening and assessment of candidates through technical and behavioral interviews, utilizing appropriate assessment tools. - Offer negotiation management, ensuring competitive and attractive compensation packages. - Accurate data management and tracking of key recruitment metrics within the Applicant Tracking System (ATS). - Continuous market research on industry trends, competitor activities, and compensation benchmarks to refine recruitment strategies. - Support for employer branding efforts by representing the company at industry events and online forums. Qualifications - Bachelor’s degree in human resources, Business Administration, or a related field preferred or experience equivalent. - At least 3+ years in full-cycle recruitment of successfully placing candidates in specialized technical or niche industry. - Deep understanding of the Cyber Security and IT industry, including key players, technologies, and skill sets. - Possess executive-level experience with a strong focus on executive search, including sourcing, engaging, and hiring senior leaders. - Demonstrated ability to partner with top-level executives, understand complex business needs, and deliver high-quality talent solutions aligned with organizational goals. - Proficiency with Applicant Tracking Systems (ATS), LinkedIn Recruiter, and other sourcing tools. - Demonstrated ability to develop and execute effective sourcing strategies, including passive candidate sourcing. - Excellent verbal and written communication skills for effective interaction with candidates, hiring managers, and stakeholders. - Possess strong business acumen. - Strong interpersonal skills with the ability to build and maintain relationships. - Creative and strategic problem-solving abilities to address recruitment challenges. - Strong organizational skills with the ability to manage multiple requisitions simultaneously. - Must be 18 years of age or older. Requirements - Salary Range: $31.59 - $44.23 per hour, depending on experience and geographic location. - Please note that actual compensation offered may vary based on local pay requirements and will meet or exceed state-specific minimum wage or salary thresholds. Benefits - Employees and their eligible dependents are offered Medical/Dental/Vision insurance and short term disability, in addition to other programs. - Up to 10 days Paid Time Off per year.

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Principal Information Security Engineer - Blockchain Technology Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Mission First, People Always As Corporate Security, we are responsible for keeping Mastercard safe and secure from cyber and physical threats, and it is our people on the frontlines who make this happen every day. By taking care of our people, their wellbeing, and career development, we provide them the necessary tools and environment to ensure the success of our mission. Overview Mastercard is seeking a Principal Information Security Engineer to support Mastercard's Crypto Products and Solutions Blockchain Networks platforms. This role is ideal for a security leader who thrives in fast moving, high availability environments and is passionate about building secure, scalable, and resilient payment ecosystems. You will drive the security roadmap for the Crypto Products and Solutions Blockchain Networks program, partnering closely with engineering, product, and global business teams to ensure our blockchain services meet the highest standards of security, compliance, and customer trust. You will influence architecture, guide security-by-design practices, and help shape the future of Mastercard's international payment capabilities. Role As a Principal Information Security Engineer supporting Crypto Products and Solutions Blockchain Networks, you will: Security Architecture & Strategy• Influence and implement security requirements, standards, and architectural patterns for large scale, Crypto Products and Solutions Blockchain Networks platforms.• Define platform level security architecture and drive execution of long term security strategy for Crypto Products and Solutions Blockchain Networks.• Lead threat modelling, risk assessments, and security design reviews for high velocity, high availability systems. Engineering & Delivery• Support the design, testing, and implementation of complex security solutions aligned with regulatory, operational, and customer requirements.• Identify risks and propose compensating controls tailored to blockchain transaction flows and blockchain environments.• Partner with engineering teams to embed security into CI/CD pipelines, APIs, cloud services, and blockchain processing components. Leadership & Influence• Serve as a trusted advisor to engineering and business leaders across Crypto Products and Solutions Blockchain Networks programs.• Apply deep technical expertise to mentor and develop junior engineers and security practitioners.• Provide input into performance evaluations for team members and emerging talent. Stakeholder Engagement• Build and maintain strong relationships with business owners, product teams, engineers, project managers, customers, and senior leadership.• Translate security concepts into actionable guidance for diverse technical and non technical audiences.• Represent Corporate Security in Crypto Products and Solutions Blockchain Networks initiatives, regulatory discussions, and cross functional working groups. All About You You are an experienced security leader with a passion for enabling secure, blockchain services. You bring: Technical & Leadership Experience• Undergraduate degree preferably in computer science/information security or work experience equivalent of 10-15 years in information security disciplines.• Extensive IT experience demonstrating thought leadership and cross functional influence.• Proven success enabling business outcomes through strong technical decision making.• Experience influencing project teams and collaborating with business partners, vendors, and consulting organisations.• Excellent communication skills, with the ability to influence, negotiate, and drive alignment across global teams.• CISSP/CISM or industry recognised security certification an advantage. Security Engineering Expertise• Strong background in information security engineering, including risk identification and compensating control design. • Knowledge of blockchain security principles and ability to reflect them as security requirements• Strong understanding of cryptography concepts e.g. symmetric/asymmetric encryption, hashing, digital signatures, including their application in blockchain technologies• Experience supporting or securing blockchain solutions, is highly beneficial.• Experience in Secure-SDLC processes and their support across development teams highly beneficial Risk & Compliance Framework Expertise• Demonstrated experience working with risk based security and compliance frameworks, including SOC 2, PCI DSS, DORA, and the Cyber Risk Institute CRI profiles, or other relevant regulatory or industry standards.• Ability to understand, interpret and apply security related frameworks across complex technology environments.• Experience collaborating with audit, compliance, and regulatory teams to ensure alignment between security controls, business processes, and external obligations.• Proven capability to assess control effectiveness, identify gaps, and drive remediation strategies that balance security, operational efficiency, and business needs. Corporate Security Responsibility Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position must: • Abide by Mastercard's security policies and practices;• Ensure the confidentiality and integrity of the information being accessed;• Report any suspected information security violation or breach, and • Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: - Abide by Mastercard's security policies and practices; - Ensure the confidentiality and integrity of the information being accessed; - Report any suspected information security violation or breach, and - Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.