Senior Network Security 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 realize 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

Job description

Overview:

We are seeking a highly skilled and motivated Senior Network Security Engineer to join our Global Network Services team. This role is pivotal in supporting and enhancing our network security infrastructure, ensuring operational excellence, and maintaining compliance with stringent regulatory, governmental, and industry standards.

Key Responsibilities:

• 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 abreast of industry trends and emerging technologies to strengthen the organization's security posture.
• Mentor and train team members, fostering a collaborative and knowledge-sharing culture.
• Deliver high-quality incident management, problem resolution, and change implementation in alignment with ITIL best practices.
• Ensure compliance with all relevant security control requirements and contribute to audit readiness.

Required Skills and Experience:

• 5+ years of hands-on experience in managing, designing, and provisioning network security technologies in a large, globally distributed environment.
• Strong technical expertise in working with a variety of network security technologies and platforms, including but not limited to:
  • 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
• Solid understanding of 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).
• Strong documentation and process development skills, including automation for operational efficiency.
• Familiarity with ITIL frameworks for incident, problem, and change management.
• Proven ability to lead technical initiatives and mentor junior staff.
• Demonstrated ability to perform under pressure and make sound decisions in high-stakes environments.
• Excellent problem-solving skills
• Strong communication and interpersonal skills, with a team-oriented mindset.

Preferred Qualifications:

• Relevant certifications (e.g., CISSP, CCNP Security, Palo Alto, Zscaler Certified Professional, etc.)
• Experience working in ITIL-based environments.
• Familiarity with cloud security and hybrid network environments.

Qualifications

• • Relevant certifications (e.g., CISSP, CCNP Security, Palo Alto, Zscaler Certified Professional, etc.)
  • Experience working in ITIL-based environments.
  • Familiarity with cloud security and hybrid network environments.

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 & 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.

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