F5

Senior Security Engineer

F5

full-time

Posted on:

Location Type: Hybrid

Location: Seattle • California, Washington • 🇺🇸 United States

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Salary

💰 $120,000 - $180,000 per year

Job Level

Senior

Tech Stack

AnsibleAWSAzureCloudCyber SecurityDockerGoogle Cloud PlatformKubernetesLinuxMacOSPythonServiceNowSplunkTerraformUnix

About the role

  • Join a high-impact team using cutting-edge security technologies and practices to protect F5’s enterprise and product environments.
  • Lead threat hunting engagement for Global Cyber Security Detections and Investigations team across enterprise and product environments.
  • Lead and guide team members in threat hunting practices and up skilling efforts.
  • Perform proactive threat hunting and cloud/host forensics (AWS, Azure, GCP, Linux, Windows, macOS).
  • Conduct technical security assessments, including static/dynamic analysis and threat modeling.
  • Automate manual processes to reduce operational toil and improve response times.
  • Collaborate with SRE, Architecture, and Operations teams to implement security standards and controls.
  • Utilize security tooling (i.e., EDR, DLP, vulnerability scanners, posture management).
  • Advise stakeholders on secure design principles and security best practices.
  • Maintain and improve security runbooks and documentation.
  • Stay current on emerging threats, CVEs, and industry trends applying to hunting practices.
  • Follow F5 information security policies and protect information assets from unauthorized access, disclosure, modification, destruction or interference.

Requirements

  • 8+ years in cybersecurity, including threat hunting, incident response, and security engineering.
  • Strong experience with SIEM (e.g., Falcon, Splunk, Sentinel), SOAR, and EDR platforms.
  • Deep understanding of MITRE ATT&CK framework and threat actor TTPs.
  • Proficiency in scripting or utilizing automation tools (Python, PowerApps, Power Automate).
  • Hands-on experience with cloud security (AWS, Azure, GCP) and infrastructure as code (Terraform, Ansible).
  • Solid grasp of UNIX/Linux systems, networking protocols, and firewall architecture.
  • Experience with vulnerability management, penetration testing, and secure architecture design.
  • Excellent communication skills with ability to interface across technical and non-technical stakeholders.
  • Certifications: GCIH, GCFR, CEH, or equivalent SANS training.
  • Experience with ServiceNow, ADO or similar ticketing systems.
  • Familiarity with container orchestration (Kubernetes, Docker) and CI/CD pipelines.
  • Exposure to FedRamp, eDiscovery, and DLP casework.
  • Strong interpersonal skills and a collaborative mindset.
  • Ability to lead and mentor junior engineers.
  • Ability to drive strategic long-term initiatives with cross org leaders.
  • Ability to effectively present to our executive leadership.
Benefits
  • F5 maintains broad salary ranges for its roles
  • Incentive compensation
  • Bonus
  • Restricted stock units
  • Benefits information available at https://www.f5.com/company/careers/benefits

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
threat huntingincident responsesecurity engineeringcloud securityscriptingvulnerability managementpenetration testingsecure architecture designstatic analysisdynamic analysis
Soft skills
communication skillsinterpersonal skillscollaborative mindsetleadershipmentoringstrategic initiative drivingpresentation skills
Certifications
GCIHGCFRCEHSANS training