An Information Systems Security Engineer (ISSE) is responsible for designing, developing, and implementing security solutions to protect an organization's IT infrastructure. They play a critical role in ensuring compliance with security policies, risk management frameworks, and industry standards. ISSEs often collaborate with cybersecurity teams, system administrators, and network engineers to assess vulnerabilities and implement security controls. Their work involves security architecture design, documentation, and recommending mitigation strategies to safeguard sensitive data and systems.