Note: The job is a remote job and is open to candidates in USA. Optum is hiring a Senior Information Security Engineer for its Security Operations Engineering team. The role designs, deploys, and maintains F5 BIG-IP and Cloudflare web application security and traffic management solutions, investigates threats, and automates security operations while collaborating across application, network, and cloud teams.

Responsibilities

• Design, deploy, configure, and maintain F5 BIG-IP architectures (LTM, ASM/WAF, APM, DNS/GTM) and Cloudflare edge security solutions
• Manage and optimize Web Application Firewall (WAF) policies, Cloudflare security rules, and DDoS protection mechanisms to safeguard web applications
• Monitor network traffic, investigate security incidents, and execute technical mitigation for web application threats and access issues
• Leverage enterprise-approved AI tools to streamline workflows, automate repetitive tasks, analyze incident data, and drive continuous operational improvement
• Evaluate emerging security trends, threats, and traffic management technologies to inform solution design and strategic technical innovation
• Collaborate with application development, network, and cloud infrastructure teams to integrate traffic management and security policies into architecture pipelines
• Maintain comprehensive technical documentation, operational runbooks, and disaster recovery procedures for F5 and Cloudflare deployments
• Provide technical guidance, troubleshooting support, and operational mentorship to junior security engineers and cross-functional partners

Skills

• 5+ years of experience in information security engineering, network security, or application traffic management
• 3+ years of hands-on experience designing, configuring, and managing F5 BIG-IP modules (e.g., LTM, ASM/WAF, APM, or DNS/GTM)
• 2+ years of experience analyzing application layer protocols (HTTP/HTTPS, SSL/TLS, DNS) and web application security vulnerabilities
• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related technical field
• 2+ years of hands-on experience administering Cloudflare security services (e.g., WAF, DNS, DDoS protection, Rate Limiting, or Workers)
• 2+ years of experience using scripting or automation tools (e.g., Python, PowerShell, iRules, or API integrations) for task orchestration
• F5 Certified Administrator / Technology Specialist, Cloudflare certification, or CompTIA Security+/Network+ certifications
• Experience integrating WAF policies and edge security into CI/CD deployment pipelines or infrastructure-as-code workflows
• Experience operating within healthcare or highly regulated enterprise IT environments

Benefits

• Telecommute from anywhere within the U.S.
• A comprehensive benefits package (subject to eligibility requirements)
• Incentive programs (subject to eligibility requirements)
• Recognition programs (subject to eligibility requirements)
• Equity stock purchase (subject to eligibility requirements)
• 401k contribution (subject to eligibility requirements)

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