1st Line Security Controls Testing Manager

Mastercard; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global payments technology company is seeking a Security Controls Testing Manager to lead control testing activities across security domains. This role involves supervising a team, ensuring compliance with policies, and engaging with various stakeholders. Ideal candidates will have a strong background in control testing and risk management within a regulatory environment, along with relevant qualifications and skills in analytical and communication fields. Experience with data analytics tools is a plus.

Qualifications

• Experience in control testing, security assurance, and risk management.
• Strong understanding of control frameworks (e.g., NIST, ISO).
• Professional certifications (CISA, CISM, etc.) are desirable.

Responsibilities

• Conduct control testing and evaluate compliance.
• Supervise junior team members and support development.
• Engage with stakeholders and contribute to governance.

Skills

Control testing

Analytical skills

Communication

Risk management

Education

Bachelor’s degree in Computer Science or related field

Tools

Data analytics tools (e.g., ACL)

Microsoft Office Suite

Job description

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

1st Line Security Controls Testing Manager Main Purpose of role:

The newly created Vocalink Control Office function is seeking a Manager within the 1st Line Control Testing team to support the delivery of control testing activities across Security control domains, within Vocalink Limited (VLL). VLL is a Bank of England regulated, Critical National Infrastructure (CNI) company that enables the payments of 90% of salaries, 70% of utility bills, most ATM transactions and every cheque cleared in the UK.

This role plays a key part in embedding a strong control environment by executing control testing, identifying control gaps, and supporting continuous improvement in risk management practices.

Key Responsibilities

Control Testing Execution

• Conduct periodic testing of key and non-key controls in line with the Control Testing Methodology.
• Evaluate compliance with internal policies, standards, regulatory requirements, and customer obligations.
• Prepare and review control testing documentation, including test procedures, results, and identified gaps.
• Ensure timely escalation of control deficiencies and support remediation tracking.

Team Leadership, Collaboration & Stakeholder Engagement

• Supervise and mentor junior team members (Senior Analysts), providing guidance on testing execution and quality assurance.
• Support the Director of Control Testing in delivering the annual testing plan and contributing to team development.
• Engage with 1st Line teams while coordinating closely with 2nd Line Security partners and maintaining effective liaison with Internal Audit.
• Contribute to reporting for governance forums, including dashboards, thematic reviews, and trend analysis.
• Partner with control owners, providing guidance on control effectiveness and remediation.

Governance & Continuous Improvement

• Support the development and refinement of control testing standards, tools, and methodologies.
• Contribute to the maturity of the 3 Lines of Defence model and promote a culture of proactive risk management.
• Stay informed on emerging risks, regulatory changes, and industry best practices with a focus on cybersecurity risks.

Experience & Qualifications

• Experience in control testing, or assurance, and risk management within security in a regulated environment.
• Strong investigative and analytical experience (e.g. enquiry, scanning, analysis, interviewing, testing), problem-solving, and decision‑making skills.
• Strong understanding of control frameworks and standards (e.g., NIST, CRI, ISO and PCI‑DSS).
• Ability to assess control design and operating effectiveness in complex environments and to identify control gaps and improvement opportunities.
• Excellent communication and stakeholder engagement skills.
• Professional certifications such as CISA, CISM, CISSP, CRISC, ISO 27001 or equivalent is desirable.

Preferred Skills & Attributes

• Bachelor’s degree in Computer Science, Cyber Security, Information Technology, or related field.
• Good Knowledge of security controls and IT general controls across platforms such as UNIX, HP Nonstop, and Windows.
• Understanding of software development lifecycle (SDLC), DevOps, and cloud technologies.
• Proficiency in data analytics tools such as ACL or similar control testing tools.
• Proficiency in Microsoft Office Suite (MS Word, MS Excel, MS Access and MS PowerPoint).
• Strong organisational skills with the ability to prioritise and manage multiple tasks.
• Self-starter with a continuous improvement mindset and a collaborative approach.

Corporate Security Responsibility

• 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.