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Security Engineer III

F5 Networks


Job Location:

Reston, VA - USA

Yearly Salary: USD 152200 - 228400
Posted: 11 September 2026 (7 hours ago)
Application Deadline: 9 December 2026
Vacancies: 1 Vacancy

Job Summary

At F5 we strive to bring a better digital world to life. Our teams empower organizations across the globe to create secure and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity from protecting consumers from fraud to enabling companies to focus on innovation.

Everything we do centers around people. That means we obsess over how to make the lives of our customers and their customers better. And it means we prioritize a diverse F5 community where each individual can thrive.

About the Role
F5 Distributed Cloud is seeking a Security Engineer III to advance our monitoring detection and incident response capabilities across the F5 SDC platform. Our platform provides a global scalable and secure way to deploy this role you will design and enhance monitoring and audit solutions improve detection quality and strengthen our ability to respond to and investigate security incidents in a large-scale distributed environment.

Key Responsibilities

  • Design implement and continuously enhance observability solutions by leveraging AI-powered monitoring telemetry analytics logging tracing and metrics collection to improve platform reliability security visibility incident detection response effectiveness availability and forensic readiness.

  • Partner with Software Architects Platform Engineering Security Engineering SRE/Operations teams Compliance stakeholders and business leaders to define system boundaries critical assets security controls and monitoring requirements across cloud-native and hybrid environments.

  • Integrate and optimize logging monitoring and security telemetry pipelines with enterprise platforms such as SIEM SOAR EDR/XDR APM cloud-native security tools and AI-assisted analytics solutions ensuring comprehensive data quality coverage and usability.

  • Run Security Operations Center (SOC) Incident Response Threat Detection Vulnerability Management and Engineering teams to establish and maintain effective escalation paths communication workflows and automated response mechanisms.

  • Partner with development and infrastructure teams to identify prioritize remediate and validate vulnerabilities ensuring timely patch management security hardening and compliance with organizational security standards

  • Maintain SIEM deployment upgrade as needed.

  • Implement Infrastructure as Code (IaC) Policy as Code and Security as Code principles to automate deployment governance security controls and compliance validation across cloud environments.

  • Participate in 24/7 on-call rotations and weekend support activities as required to ensure timely response to operational incidents security events and critical platform issues.

Qualifications

  • Be Kind

  • Bachelors degree in Computer Science Information Security or related field (or equivalent experience).

  • 46 years of experience in security operations monitoring detection engineering or incident response.

  • Strong hands-on experience with logging monitoring and SIEM/dash boarding tools such as AWS GuardDuty Sumo Logic Grafana CrowdStrike DataDog Splunk Thycotic or similar.

  • Working knowledge of at least one major cloud platform (e.g. AWS Microsoft Azure Google Cloud Platform) including native security and observability services.

  • Solid understanding of log handling and telemetry pipelines: collection normalization integration with downstream systems and alert configuration/tuning.

  • Proficiency with at least one programming or scripting language (e.g. Python Java Shell).

  • Experience with CICD and vulnerability scanning with Shift left mindset.

  • Working knowledge of container orchestration and cloud platforms such as Kubernetes and/or OpenStack.

  • Relevant certifications (e.g. Security GSEC CISSP) are preferred.

  • Familiarity with FedRAMP is a plus

The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However the description may not be all-inclusive and responsibilities and requirements are subject to change.

The annual base pay for this position is: $152200.00 - $228400.00

F5 maintains broad salary ranges for its roles in order to account for variations in knowledge skills experience geographic locations and market conditions as well as to reflect F5s differing products industries and lines of business. The pay range referenced is as of the time of the job posting and is subject to change.

You may also be offered incentive compensation bonus restricted stock units and benefits. More details about F5s benefits can be found at the following link: F5 reserves the right to change or terminate any benefit plan without notice.

Please note that F5 only contacts candidates through F5 email address (ending with @) or auto email notification from Workday (ending with or @).

Equal Employment Opportunity

It is the policy of F5 to provide equal employment opportunities to all employees and employment applicants without regard to unlawful considerations of race religion color national origin sex sexual orientation gender identity or expression age sensory physical or mental disability marital status veteran or military status genetic information or any other classification protected by applicable local state or federal laws. This policy applies to all aspects of employment including but not limited to hiring job assignment compensation promotion benefits training discipline and termination. F5 offers a variety of reasonable accommodations for candidates. Requesting an accommodation is completely voluntary. F5 will assess the need for accommodations in the application process separately from those that may be needed to perform the job. Request by contacting .


Required Experience:

IC


About Company

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F5 application services ensure that applications are always secure and perform the way they should—in any environment and on any device.

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