Security Engineer
Job Description:
Responsibilities
- Create and update network security policies, procedures and technical standards.
- Implement and automate security controls using infrastructure-as-code and configuration management.
- Build and maintain log pipelines and detections in Elastic Search (or similar) for infrastructure, authentication, and application security events.
- Integrate security checks into CI/CD (secret scanning, SAST/DAST hooks, policy-as-code, image scanning).
- Perform threat modeling for AI-driven systems and workflows explicitly considering risks such as prompt-injection, data exfiltration, and lateral movement via agents.
- Manage both host and network based DLP policies.
- Lead and execute ongoing security testing, including log review, vulnerability scans, threat hunting, alert tuning.
- Review and Implement security tooling as needed utilizing AI models where possible.
- Server as point of contact for security incident response and continuously improve our detection and response capabilities and process.
- Assist in the management of SiFive’s network infrastructure (LAN,WAN and WLAN) in co-located data centers , offices and the public cloud.
- Identify and deploy tools and systems to ensure network security
- Create and maintain security standards for LAN, WAN, WLAN and Cloud network infrastructure.
- Review and Implement security tooling as needed.
- Assist in management of SiFive Compliance and Certification efforts. Specifically for ISO 27001 as related to Network Security.
Experience and skills required:
- 7+ years of experience in security engineering or security architecture roles, ideally in an infrastructure-heavy or engineering-centric environment.
- 5+ years of experience managing Zscaler or other SASE solutions
- 5+ years of experience managing switching and routing in a production environment.
- Expert level knowledge of TCP/IP and routing protocols (e.g., EIGRP, OSPF, BGP, IS-IS, vXLAN, MPLS, VLAN, L2).
- Experience working with network equipment providers preferably Juniper, Aruba and PaloAlto Networks.
- Experience identifying and mitigating network security risks including threat modeling or other risk identification techniques.
- Strong problem-solving ability, and desire to implement innovative solutions
- Solid experience in Bash, Python, go or other scripting language
- Proven experience architecting security solutions.
- Proven experience in design and implementation of automation frameworks to speed up network deployments and perform repetitive tasks.
- Experience with data protection technologies including encryption, key management, data loss prevention, and hardware security modules.
- Solid understanding of Threat prevention, intrusion detection systems
- Experience with industry standard SIEM solutions
- Experience with SASE/CASB/DLP solutions such as ZScaler is desirable
- CISSP, GCIA, CCNP, CCIE, JNCIE, or similar certification is a plus
Apply for job
To view the job application please visit sifive.wd1.myworkdayjobs.com.




Why America’s Semiconductor Manufacturing Capacity Matters