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Salary
$152k – $228k per year
Location
Hybrid (Reston, United States)
Seniority
Middle · 4+ years exp
Visa
green card filings: 1
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Sep 8, 2026. F5 scores B on the Alion truth index.

Overview
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F5

F5 is an American application delivery and security company founded in 1996 that built its business on the BIG-IP load balancer, a device that sits in front of applications and distributes traffic across servers. As applications moved to cloud and containers it extended the same position into web application firewalling, bot defence, application programming interface security and multi-cloud networking, largely through the acquisitions of NGINX, Shape Security and Volterra. Headquartered in Seattle and listed on Nasdaq, it serves large enterprises and service providers whose most critical applications still run through its equipment.

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 leveragingAI-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 optimizelogging, 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 establishand maintain effective escalation paths, communication workflows, and automated response mechanisms.

  • Partner with development and infrastructure teams to identify, prioritize, remediate, and validatevulnerabilities, ensuring timelypatch 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 timelyresponse to operational incidents, security events, and critical platform issues.

Qualifications

  • Be Kind

  • U.S. Citizenship Required: Due to FedRAMP compliance obligations, this role requires the candidate to be a U.S. citizen.

  • 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.

  • Proficiencywith 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: $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 [email protected].

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