Lead Security Enterprise Architect

Job Description:

We Dream. We Do. We Deliver.

At Merkle, a dentsu company, we power the experience economy. Whether we’re building the next great app, running CRM at scale for global brands, delivering technology architectures that support millions of users, or providing world-class data, identity, and insights solutions, it’s all in the name of crafting experiences that set brands apart from the competition. Backed by dentsu's legacy of innovation and creativity originating in Japan, we’ve spent over 35 years helping brands build loyalty, drive growth, and connect meaningfully with their audiences.

We’ve been named a global “Leader” by top industry analyst firms in categories as wide-ranging as digital transformation and commerce, experience design, engineering and technology integration, digital marketing, data science, CRM and loyalty, and customer data management.

We are now looking for a Lead Security Enterprise Architect to join our team! With a wide variety of business areas and technology to support, you’ll have a range of security skills and experience, but your security background could be operations, design, development or another area.

The successful candidate will join the dentsu Security Architecture team. Your focus will be to maintain and enhance dentsu’s security, by advising on good practise or issue mitigation. The role will support security and business delivery teams to build robust, secure solutions across a wide range of technologies. Working with delivery teams, you’ll be helping embed a culture that not only builds solutions meeting the business requirements but where security risks are identified, analysed and managed proactively. As part of the Security Architecture team you’ll also help support the business to mature through the creation, adoption and reuse of standards, patterns and other guidance documents

Key responsibilities

• Collaborate to design and develop secure solutions that balance risk and business benefit to enable growth.
• Document security designs and support solution delivery.
• Champion the secure by design mindset and reuse of standardised solutions.
• Continuously review the design and effectiveness of security controls and support a program of improvement.
• Identify risks during solution reviews and appropriate mitigation or other actions.
• Provide security expertise for key project deliveries, problem resolution and risk identification/management.
• Educate, mentor and support all areas of dentsu to understand how to mitigate threats in an ever-changing security landscape.
• Work with colleagues in the architecture team to mature processes and ensure consistency for internal customers.

Who are we looking for?

• Someone who is able to build and grow relationships with business and technical stakeholders to advance security goals. 
• A creative problem solver. With the ability to analyse problems from multiple perspectives, enable all stakeholders’ views to be understood and deliver consensus-based outcomes. 
• Someone with a range of security skills and experience including in depth of knowledge in some of the following: secure design and coding, application security, IAM, network security, security operations, data leak prevention, privilege access management, encryption, operating system security, cloud and container security, governance and risk. 
• Able to give pragmatic advice that balances risks with business benefits and needs. 
• CISSP, equivalent security certification or experience.

Why choose Merkle? 

Innovation at Our Core: As part of dentsu’s global network, Merkle pushes the boundaries of customer experience, integrating creativity, technology, and data to drive real-world impact. For over 35 years, we’ve been innovating to meet the changing needs of our clients. 
Global Reach with Local Expertise: With over 16,000 employees across 30+ countries, and part of a 70,000 employees network at dentsu, Merkle blends global insights with a deep understanding of local markets to deliver personalized, effective solutions. 

Collaborative Culture: At Merkle, your ideas and contributions truly matter. You’ll join a team that fosters innovation, collaboration, and creative problem-solving. Together, we work on impactful international projects, making meaningful connections every step of the way. 

Our benefits in the Czech Republic include: 

• 5 weeks of vacation 
• 2 Volunteering days to share the kindness of your heart with others 
• Mental Health: Benefit from 3 extra wellness days on top of your vacation days and Employee Assistance program to