Cybersecurity Operations Engineer

Hitachi Energy; Lisboa; On-site; EUR 55,000 - 85,000; Full time

Job summary

Hitachi Vantara is seeking a Cybersecurity Operations Engineer – Application & Edge Protection to safeguard the organization’s external attack surface across cloud and on‑prem environments. You will deploy, tune, and monitor DDoS protection, WAF, and API security solutions while working with development, cloud, network, and infrastructure teams.

You’ll analyze security events, support incident response, and drive improvements in security architecture and operations to maintain confidentiality,

Qualifications

• Bachelor's degree in Computer Science, Information Security, Engineering, or a related field, or equivalent practical experience.
• 3-6 years of experience in cybersecurity, application security, network security, or security operations.
• Hands-on experience with DDoS mitigation platforms, Web Application Firewalls (WAF), and API security technologies.
• Strong understanding of web technologies, including HTTP/S, REST APIs, TLS, and modern application architectures.
• Knowledge of network security concepts such as DNS, TCP/IP, routing, and firewalls.
• Experience working with cloud platforms such as Azure, AWS, or Google Cloud.
• Strong analytical, troubleshooting, and problem-solving skills.
• Familiarity with OWASP Top 10 and API Security Top 10 risks.
• Experience with security monitoring, SIEM platforms, or incident response processes.
• Exposure to technologies such as Akamai, Cloudflare, F5, Imperva, Infrastructure as Code, or security automation tools.

Responsibilities

• Secure the organization’s external attack surface by managing and enhancing technologies that protect web applications, APIs, and internet-facing services.
• Deploy, configure, monitor, and optimize DDoS protection, Web Application Firewall (WAF), and API security solutions across cloud and on-premises environments.
• Investigate security events, support incident response activities, identify security gaps, and contribute to continuous improvements in security architecture and operations.
• Combine hands-on engineering, operational support, and strategic initiatives to help ensure the confidentiality, integrity, availability, and performance of critical business services.

Skills

DDoS mitigation

Web Application Firewall

API security

Cloud platforms

SIEM

OWASP Top 10

Troubleshooting

Networking basics

Education

Bachelor's degree in Computer Science, Information Security, Engineering, or related field

Tools

Akamai

Cloudflare

F5

Imperva

Infrastructure as Code

Job description

FunctionCybersecurityOur CompanyWe’re Hitachi Vantara, the data foundation trusted by the world’s innovators. Our resilient, high-performance data infrastructure means that customers – from banks to theme parks – can focus on achieving the incredible with data.If you’ve seen the Las Vegas Sphere, you’ve seen just one example of how we empower businesses to automate, optimize, innovate – and wow their customers. Right now, we’re laying the foundation for our next wave of growth. We’re looking for people who love being part of a diverse, global team – and who get excited about making a real-world impact with data.Job descriptionThe TeamThe Cybersecurity team is responsible for protecting the organization’s applications, APIs, and internet-facing services from evolving cyber threats. Working closely with application, cloud, network, and infrastructure teams, the group designs, operates, and continuously improves security controls that safeguard business-critical systems while enabling innovation. The team combines operational excellence with security engineering expertise to strengthen the organization’s overall security posture and resilience.The RoleAs a Cybersecurity Operations Engineer – Application & Edge Protection, you will help secure the organization’s external attack surface by managing and enhancing technologies that protect web applications, APIs, and internet-facing services. You will deploy, configure, monitor, and optimize DDoS protection, Web Application Firewall (WAF), and API security solutions across cloud and on-premises environments. Working closely with development, cloud, network, and infrastructure teams, you will investigate security events, support incident response activities, identify security gaps, and contribute to continuous improvements in security architecture and operations. This role combines hands-on engineering, operational support, and strategic initiatives to help ensure the confidentiality, integrity, availability, and performance of critical business services.What You'll BringBachelor's degree in Computer Science, Information Security, Engineering, or a related field, or equivalent practical experience.3-6 years of experience in cybersecurity, application security, network security, or security operations.Hands-on experience with DDoS mitigation platforms, Web Application Firewalls (WAF), and API security technologies.Strong understanding of web technologies, including HTTP/S, REST APIs, TLS, and modern application architectures.Knowledge of network security concepts such as DNS, TCP/IP, routing, and firewalls.Experience working with cloud platforms such as Azure, AWS, or Google Cloud.Strong analytical, troubleshooting, and problem-solving skills.Familiarity with OWASP Top 10 and API Security Top 10 risks.Experience with security monitoring, SIEM platforms, or incident response processes.Exposure to technologies such as Akamai, Cloudflare, F5, Imperva, Infrastructure as Code, or security automation tools.#LI-JS2About usWe’re a global team of innovators. Together, we harness engineering excellence and passion for insight to co-create meaningful solutions to complex challenges. We turn organizations into data-driven leaders that can a make positive impact on their industries and society. If you believe that innovation can inspire the future, this is the place to fulfil your purpose and achieve your potential.Fostering innovation through diverse perspectivesHitachi is a global company operating across a wide range of industries and regions. One of the things that sets Hitachi apart is the diversity of our business and people, which drives our innovation and growth.We are committed to building an inclusive culture based on mutual respect and merit-based systems. We believe that when people feel valued, heard, and safe to express themselves, they do their best work.How we look after youWe help take care of your today and tomorrow with industry-leading benefits, support, and services that look after your holistic health and wellbeing. We’re also champions of life balance and offer flexible arrangements that work for you (role and location dependent). We’re always looking for new ways of working that bring out our best, which leads to unexpected ideas. So here, you’ll experience a sense of belonging, and discover autonomy, freedom, and ownership as you work alongside talented people you enjoy sharing knowledge with.We’re proud to say we’re an equal opportunity employer and welcome all applicants for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran, age, disability status or any other protected characteristic. Should you need reasonable accommodations during the recruitment process, please let us know so that we can do our best to set you up for success.