Security Engineer

F5; Seattle (WA); On-site; USD 132,000 - 198,000; Full time

Job summary

F5 is seeking a Security Engineer to execute strategic processes and implement technical solutions to support our information security program and address day‑to‑day challenges in a rapidly evolving technology landscape.

The role focuses on building security controls, assessing risks, and leveraging cloud services across Azure, AWS, and GCP to automate security activities. You will collaborate with Architecture, SRE, and Operations to uphold security standards and protect enterprise environments.

Qualifications

• Experience in high-availability enterprise production environments.
• Scripting languages: Go, Python, Ruby, Rust, etc.
• Experience automating security testing and reporting.
• Knowledge of security, networking, cloud security, and firewall architecture.
• Ability to learn new technologies and innovate.
• Strong written and verbal communication skills.
• Familiarity with Big-IP, Azure, AWS, GCP, Vault, Palo Alto, Qualys.

Responsibilities

• Build and implement new security controls, processes and tools.
• Identify organizational risks to confidentiality, integrity, and availability, and determine mitigations.
• Leverage Azure, AWS, and GCP cloud services to automate and improve security activities.
• Develop or implement security tools to detect, prevent and analyze threats.
• Perform security assessments on cloud and on‑premise systems including threat modeling.
• Review changes to services, apps, and networks for security impacts.
• Collaborate with Architecture, SRE and Operations to implement security standards.
• Stay updated on security best practices and design principles.
• Review enterprise environments for security/compliance impacts.
• Assist in incident detection and response efforts.
• Implement zero‑trust patterns with cloud-agnostic tools.
• Implement and manage enterprise security tooling.

Skills

Cloud security

Threat modeling

Vulnerability assessment

Scripting (Go/Python)

Incident response

Zero-trust architecture

High availability

Communication

Education

B.S./M.S. in CS/Engineering

Equivalent experience

Tools

Azure

AWS

GCP

Hashicorp Vault

Palo Alto

Qualys

CentOS

Terraform

Jenkins

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.

Join a team using leading edge security technology and processes to protect the F5 enterprise and product environment. The Security Engineer position will execute strategic processes and implement technical solutions to enable our information security program and address day‑to‑day security challenges amidst the industry’s evolving technology landscape.

Primary Responsibilities

• Build and implement new security controls, processes and tools.
• Identify organizational risks to confidentiality, integrity, and availability, and determine appropriate mitigations.
• Leverage native Azure, GCP, and AWS cloud services to automate and improve existing security and control activities.
• Develop or implement open‑source/third‑party tools to assist in detection, prevention and analysis of security threats.
• Perform technical security assessments against product and enterprise cloud hosted, virtual, and on‑premise systems including static and dynamic analysis, and threat modeling.
• Review and test changes to services, applications, and networks for potential security impacts.
• Collaborate with Architecture, Site Reliability Engineering and Operations teams to develop and implement technical solutions and security standards.
• Stay abreast on security best practices and secure design principles.
• Review changes to and ongoing operations of enterprise environments and supporting systems for security and compliance impacts.
• Assist in incident detection and response efforts.
• Implement zero‑trust patterns with cloud agnostic tools to support enterprise business units.
• Implement, design, develop, administer, and manage enterprise security tooling.

Knowledge, Skills And Abilities

• Experience working with high‑availability enterprise production environments
• Familiarity with scripting languages (e.g., Go, Python, Ruby, Rust, etc.) and building scripts for process improvements
• Experience automating security testing and reporting outputs
• Technical knowledge and hands‑on experience with security and networking security, basic networking protocols, cloud security, network security design, intrusion prevention/detection, and firewall architecture
• Experience assessing and implementing technical security controls
• Willingness to innovate and learn new technologies
• Excellent interpersonal and relationship skills with a collaborative mindset
• Knowledge or familiarity with technological stack (Big‑IP, Azure, AWS, GCP, CentOS, Hashicorp Vault, Palo Alto, Qualys).
• Experience with network and application vulnerability and penetration testing tools.
• Baseline competency in administration of Microsoft Azure Cloud, Amazon Web Services (AWS), Google Cloud Platform (GCP) or equivalent public cloud infrastructure.
• Exposure to DevOps tooling, CI/CD pipelines, container orchestration, and infrastructure as code approach (e.g. Puppet, Chef, Ansible, Terraform, Jenkins, CircleCI, Artifactory, Git)
• Strong written and verbal communication skills.
• Strong self‑directed work habits, exhibiting initiative, drive, creativity, maturity, self‑assurance and professionalism.
• Agile, tactful, and proactive attitude that can manage prioritization and know when to elevate issues.

Qualifications

• B.S. or M.S. in Computer Science, Engineering, or related field, or equivalent experience.
• 6+ years of relevant security and networking experience

The annual base pay for this position is: $132,000.00 - $198,000.00. 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].