Senior Technical Lead responsible for architecting and implementing global network security solutions. Collaborating with internal and external teams to meet cybersecurity requirements for Celestica.
About the role
- Senior Security Engineer leading strategic initiatives and threat hunting for F5's cybersecurity efforts. Protecting enterprise and product environments using cutting-edge security technologies and practices.
Responsibilities
- 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
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