Senior Network Security Engineer

Company Description

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 experianplc.com.

Description

We are looking for a Senior Network Security Engineer to join our Global Network Services team. This role is important to supporting and enhancing our network security infrastructure, ensuring operational excellence, and maintaining compliance with stringent regulatory, governmental, and industry standards.

Reporting to the Network Security Lead.

Responsibilities:

• You will collaborate with Network Security Operations, Engineering, Global ENOC, and Global Build teams to maintain a secure and resilient global network security infrastructure.
• Provide expert-level engineering and operational support to drive continuous improvement and operational excellence.
• Conduct ongoing assessments of the network environment to identify gaps, risks, and areas for enhancement, proposing innovative and effective solutions.
• Stay up to date with industry trends and emerging technologies to strengthen our security posture.
• Mentor and train team members, encouraging a collaborative and knowledge-sharing culture.
• You will deliver high-quality incident management, problem resolution, and change implementation according to ITIL best practices.
• Ensure compliance with all relevant security control requirements and contribute to audit readiness.

Qualifications

• 5+ years of hands-on experience managing, designing, and provisioning network security technologies in a large, globally distributed environment.
• Technical expertise in working with a variety of network security technologies including:
  • SASE solutions (Zscaler, Netskope, Prisma Access)
  • Imperva WAF (On-Prem and Cloud)
  • Trellix IPS
  • SkyHigh proxy (On-Prem and Cloud)
  • Fortinet & Checkpoint firewalls
  • Cisco firewalls
  • DDoS (Incapsula, Cloudflare etc)
  • Cisco ISE
• Experience with security frameworks, risk management, and regulatory compliance.
• Experience with network monitoring tools such as NNMi, ThousandEyes, Algosec, Grafana, Dynatrace, and ExtraHop.
• Decent knowledge of Network technologies including Routing, Switching, Cisco ACI, Load balancers and SD-WAN etc.
• Knowledge and experience in Cloud (AWS).
• Documentation and process development skills, including automation for operational efficiency.
• Experience leading technical projects and mentor junior staff.
• Relevant certifications (e.g., CISSP, CCNP Security, Palo Alto, Zscaler Certified Professional)
• Experience working in ITIL-based environments.
• Familiarity with cloud security and hybrid network environments.

Additional Information

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

Our uniqueness is that we celebrate yours. Experian's culture and people are important differentiators. We take our people agenda very seriously and focus on what matters; DEI, work/life balance, development, authenticity, collaboration, wellness, reward and recognition, volunteering... the list goes on. Experian's people first approach is award-winning; World's Best Workplaces™ 2024 (Fortune Top 25), Great Place To Work™ in 24 countries, and Glassdoor Best Places to Work 2024 to name a few. Check out Experian Life on social or our Careers Site to understand why.

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.

#Remote

Client-provided location(s): Alajuela, Costa Rica

Job ID: Experian-744000087199643

Employment Type: FULL_TIME

Posted: 2025-10-11T18:33:42