Security Engineer III

F5 Networks, Inc.; Reston (VA); Hybrid; USD 152,000 - 228,000; Full time

Job summary

F5 Networks, Inc. seeks a Security Engineer III for its Distributed Cloud platform to advance monitoring, detection, and incident response capabilities across cloud-native and hybrid environments.

You will design and enhance monitoring, strengthen detection quality, and drive investigations of security incidents at scale, partnering with cross-functional teams to define assets, controls, and telemetry requirements.

Qualifications

• Bachelor’s degree in Computer Science, Information Security, or related field (or equivalent experience).
• 4–6 years of experience in security operations, monitoring, detection engineering, or incident response.
• Hands-on experience with logging, monitoring, and SIEM/dash boarding tools (AWS GuardDuty, Sumo Logic, Grafana, CrowdStrike, DataDog, Splunk, Thycotic).
• Working knowledge of at least one major cloud platform (AWS, Azure, GCP) including native security/observability services.
• Solid understanding of log handling and telemetry pipelines; integration with downstream systems and alert tuning.
• Proficiency with programming or scripting languages (Python, Java, Shell).
• Experience with CICD and vulnerability scanning with a shift-left mindset.
• Knowledge of container orchestration and cloud platforms like Kubernetes or OpenStack.
• Certifications (e.g., Security+, GSEC, CISSP) preferred.
• Familiarity with FedRAMP is a plus.

Responsibilities

• Design, implement, and enhance observability solutions using AI-powered monitoring and analytics.
• Collaborate with architects, engineering, security, and compliance teams to define security controls and monitoring requirements.
• Integrate logging/monitoring pipelines with SIEM, SOAR, EDR/XDR, APM and cloud-native tools.
• Lead SOC, IR, threat detection, vulnerability management and incident response efforts.
• Identify, remediate, and validate vulnerabilities with timely patching and hardening.
• Maintain and upgrade SIEM deployments as needed.
• Implement IaC, Policy as Code, and Security as Code across clouds.
• Participate in 24/7 on-call rotations and weekend support.

Skills

SIEM tooling

Telemetry pipelines

Cloud platforms

Programming scripting

CICD security

Kubernetes/OpenStack

Education

Bachelor’s degree in CS/InfoSec

Tools

AWS GuardDuty

Sumo Logic

Grafana

CrowdStrike

DataDog

Splunk

Thycotic

Job description

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 applications. In 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

• Bachelor’s degree in Computer Science, Information Security, or related field (or equivalent experience).
• 4-6 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 annual base pay for this position is: $152,200.00 - $228,400.00 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 F5’s 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 F5's benefits can be found at the following link: https://www.f5.com/company/careers/benefits. 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 @f5.com) or auto email notification from Workday (ending with f5.com or @myworkday.com).

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 [e-mail].

Hybrid

Employees within 30 commutable miles of an F5 office are required to work from the office a minimum of 30 business days per quarter.

Remote

Primarily work from designated home location but can come into an F5 office to work or travel to an offsite location as needed.

Together, we're building a better digital world. Founded in 1996, F5 is a global leader in application delivery and security. Our premier platform helps customers secure and deliver every app, API, and piece of infrastructure across all environments. Backed by over three decades of expertise and 553 patents, our solutions protect against threats while ensuring fast, reliable digital experiences. With over 6,400 employees, we serve more than 23,000 customers in over 170 countries. To continue this work, we need people like you—the best minds in the industry. We're committed to a unique, human-first culture that encourages authenticity, prioritizes diversity and inclusion, and fosters the growth and success of our employees.