Senior Information Security Engineer

UnitedHealth Group•Plymouth, MN
•$91,700 - $163,700•Remote

About The Position

As a Senior Information Security Engineer on the Security Operations Engineering team, you will design, deploy, and maintain enterprise web application security and traffic management solutions across F5 BIG-IP and Cloudflare platforms. You will work with application development, network, and cloud infrastructure teams to protect web applications from cyber threats, optimize WAF and edge security controls, and improve security operations using automation and enterprise-approved AI tools. The role offers the flexibility to telecommute from anywhere within the U.S. The position also involves providing technical guidance and operational mentorship to junior engineers and cross-functional partners. The employer describes a culture focused on diversity and inclusion, career development, and improving health outcomes and health equity.

Requirements

  • At least 5 years of experience in information security engineering, network security, or application traffic management.
  • At least 3 years of hands-on experience designing, configuring, and managing F5 BIG-IP modules such as LTM, ASM/WAF, APM, or DNS/GTM.
  • At least 2 years of experience analyzing application-layer protocols, including HTTP/HTTPS, SSL/TLS, and DNS, and web application security vulnerabilities.

Nice To Haves

  • Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related technical field.
  • At least 2 years of hands-on experience administering Cloudflare security services, such as WAF, DNS, DDoS protection, Rate Limiting, or Workers.
  • At least 2 years of experience using scripting or automation tools, such as Python, PowerShell, iRules, or API integrations, for task orchestration.
  • F5 Certified Administrator or Technology Specialist, Cloudflare certification, or CompTIA Security+ or Network+ certification.
  • 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.

Responsibilities

  • Design, deploy, configure, and maintain F5 BIG-IP architectures, including LTM, ASM/WAF, APM, and DNS/GTM, and Cloudflare edge security solutions.
  • Manage and optimize WAF policies, Cloudflare security rules, and DDoS protection mechanisms.
  • Monitor network traffic, investigate security incidents, and implement technical mitigations for web application threats and access issues.
  • Use enterprise-approved AI tools to streamline workflows, automate repetitive tasks, analyze incident data, and improve operations.
  • Evaluate emerging security trends, threats, and traffic management technologies to inform solution design and technical innovation.
  • Collaborate with application development, network, and cloud infrastructure teams to integrate traffic management and security policies into architecture pipelines.
  • Maintain 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.

Benefits

  • Comprehensive benefits package
  • Incentive and recognition programs
  • Equity stock purchase
  • 401(k) contribution
  • Career development opportunities
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