Senior Security Systems Engineer

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to accomplish their financial goals and help them save time and money.

We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more industry segments.

We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at

Reporting to the Senior Director Self Service Infrastructure, the Senior Systems Security Engineer will be part of the Endpoint Security Operations team. You will be in charge of the innovation, development, and overall maintenance of endpoint security applications like EDR, AV, DLP, and Cloud Proxy.

Focus will be on the infrastructure side of endpoint security but will work with users that their issue requires specific expertise beyond what service desk offers.

You will be responsible for scheduled management tasks, automation, development, break/fix, and consulting with other business units to maintain functional and efficient services.

You will have security experience in endpoint security, secure system configurations. Knowledge of Windows, Linux, and Mac operating systems, with the ability to apply that knowledge in the endpoint security operations context is required.

What you'll do:

• Monitor and address endpoint vulnerabilities using security software.
• Troubleshoot issues caused by security tools on servers and workstations.
• Review and validate security alerts to identify false positives.
• Manage EDR, AV, DLP, and Cloud Proxy platforms (Microsoft, Trellix).
• Coordinate with vendors, regional teams, and SMEs to resolve complex problems.
• Document processes, automation steps, and workflows.
• Participate in audits as an SME and provide required documentation.
• Use PowerShell or Python for scripting and automation (preferred).
• Operate Tanium for endpoint management (preferred).
• Work with other teams in the global security organization and other business units, and working with vendors.

• 5+ years in information security roles, managing endpoint security and secure system configurations.
• 4+ years managing security products like AV and DLP.
• 2+ years of experience with EDRs. Cloud Proxy experience is beneficial.
• 3+ years managing Windows and Linux systems. Mac exposure beneficial.
• 2+ years PowerShell or Python scripting experience.
• Bachelor's Degree in IT or similar discipline or equivalent work experience.
• Experienced incident handling/incident response for infrastructure and endpoints.
• Basic experience of networking concepts such as VLAN, subnets, common protocols, and routing basics.
• Solid comprehension of different security controls, capabilities and use in a corporate environment.
• Demonstrated history of innovation or creativity.
• Experience driving process improvements and identify gaps and lead to resolution.
• Related Certifications (CISSP, CCSK, MCSE, RHCSA) are beneficial.

This is a remote Costa Rica-based position. No relocation is available.

Our benefits include: Medical, life and dental insurance, Asociación Solidarista, International Share Save Plan, Flex Work/Work from home, Paid time off, Annual Performance Bonus, Education Reimbursement, Family Bonding, Bereavement Leave, Referral Program, and more.

Experian is proud to be an Equal Opportunity and Affirmative Action employer. Innovation is an important part of Experian's DNA and practices, and our diverse workforce drives our success. Everyone can succeed at Experian and bring their whole self to work, irrespective of their gender, ethnicity, religion, colour, sexuality, physical ability or age. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

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This is a remote position.