Senior F5 Engineer

IDR is seeking a Senior F5 Engineer to join one of our top clients for an opportunity in Englewood, CO. In this role, you will help ensure application delivery, traffic management, and web application security remain resilient, high-performing, and secure across a distributed, cloud-integrated enterprise environment. You'll modernize and optimize an F5 BIG-IP ecosystem while partnering with engineering stakeholders to improve scalability, automation, and operational reliability. Position Overview for the Senior F5 Engineer: - Own hands-on administration, optimization, and operational support of an enterprise F5 BIG-IP environment - Enhance availability, performance, and security for mission-critical applications through load balancing, SSL/TLS, and WAF best practices - Develop and maintain F5 iRules and tune WAF/ASM policies to meet evolving application needs - Support modernization efforts that integrate SaaS and cloud-based security/application delivery capabilities - Mentor junior engineers and contribute to standards-based engineering practices and continuous improvement Requirements for the Senior F5 Engineer: - Bachelor's degree in Computer Science, Computer Engineering, or a related technical field - 5+ years supporting medium to large enterprise network/infrastructure environments with deep, hands-on F5 BIG-IP experience (LTM, DNS/GTM, WAF/ASM, SSL offload, DR/BC) - Experience developing F5 iRules (Tcl) and performing WAF/ASM policy tuning and optimization - Familiarity with F5 Distributed Cloud and SaaS-based WAF/security services in modern enterprise environments - Experience with infrastructure automation tools (Python and/or Ansible and/or Git) plus strong networking fundamentals (TCP/IP, HTTP/HTTPS, SSL/TLS, DNS) What's in it for you? - Competitive compensation package - Full Benefits; Medical, Vision, Dental, and more! - Opportunity to get in with an industry leading organization. Why IDR? - 25+ Years of Proven Industry Experience in 4 major markets - Employee Stock Ownership Program - Dedicated Engagement Manager who is committed to you and your success. - Medical, Dental, Vision, and Life Insurance - ClearlyRated's Best of Staffing® Client and Talent Award winner 12 years in a row. - pay transparency: 79.47/hr W2 - - All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. IDR is subject to certain governmental recordkeeping and reporting requirements for the administration of civil rights laws and regulations. In order to comply with these laws, we invite employees to voluntarily self-identify their race or ethnicity, gender, and veteran status (if applicable). Submission of this information is voluntary and refusal to provide it will not subject you to any adverse treatment. The information obtained will be kept confidential and may only be used in accordance with the provisions of applicable laws, executive orders, and regulations, including those that require the information to be summarized and reported to the federal government for civil rights enforcement.