IS Security Engineer III

F5, Inc. seeks IS Security Engineer III in Seattle, WA:Job Duties: Lead Security Event/Incident response efforts. Alert creation and triage. Perform security issue-related casework. Communicate with stakeholders, including end users, leadership, and legal and HR. Document actions taken in SIEM (Security Information and Event Management), ticketing systems, and casework as required. Make continuous improvements to Security Processes and Runbooks. Follow F5 information security policies and protect information assets from unauthorized access, disclosure, modification, destruction, or interference. Know the latest security trends, news, CVEs. Perform Threat Model Assessments and Third-Party Security Assessments. Perform cloud and host forensics. Full-time telecommuting is an option.Minimum Requirements: Bachelor's degree, or foreign equivalent, in Computer Science, Computer Information Technology, Mathematics, Information Security, Engineering (any field) or closely related quantitative discipline and two (2) years of experience in job offered or in any occupation in a related field.Special Skill Requirements: (1) Incident Response and SOC operations (two years), (2) eDiscovery (one year), (3) CrowdStrike, (4) Insider threat incidents (two years) , (5) Data Loss Prevention (two years), (6) Threat Intelligence (one year), (7) Threat Hunting and Forensics (one year), (8) Cloud Security, (9) Vulnerability Management, (10) Network and Endpoint Security, (11) Public Key Infrastructure (PKI), (12) Privilege Identity and Access Management Solutions, (13) Malware Analysis, (14) EDR and SIEM Experience, (two years) (15) Regex, (16) shell scripting; and (17) SANS GIAC GCIH, CEH (Certified Ethical Hacking). Any suitable combination of education, training and experience is acceptable. Full-time telecommuting is an option.Salary: $108,826 - $163,200 per annum. Benefits: F5 offers competitive pay, 401k, and other benefits: a resume with references to: Req.#:L24-147511 via F5's Careers webpage: or by email at: .

Created: 2026-02-05