Senior Network and Security Engineer

About SiFive

SiFive is an idea-to-silicon company founded by the inventors of RISC-V to simplify the design and production of custom SoCs.

As the leading commercial provider of RISC-V processor IP, SiFive is on a mission to help engineers design custom chips for domain-specific solutions for many markets, including 5G, edge AI, enterprise networking, storage, and consumer devices.

Industry-leading innovators, including six of the top ten semiconductor companies, are working with SiFive thanks to our proven success, deep expertise, and rich partner ecosystem. With SiFive’s rich IP ecosystem and accessible design platform, every market has access to the development of workload-focused hardware needed to design next-generation products.

SiFive is looking for a Senior or Lead Network Engineer with a solid focus on Security to join the SiFive Systems Engineering team. You will be responsible for managing all networks and networking equipment at SiFive in the datacenter, public cloud and enterprise.


  • Managing all of SiFive’s network infrastructure (LAN, WAN and WLAN) in co-located data centers, offices and the public cloud.
  • Maintaining strong uptime of all network systems and improving long-term reliability and scalability.
  • Identifying and deploying tools and systems to ensure network security.
  • Creating and maintaining network standards and developing technology roadmaps for LAN, WAN, WLAN and AWS Cloud network infrastructure.
  • Documenting current & future network state by creating High-Level, Low-Level design documentation and diagrams.
  • Performing troubleshooting to isolate and diagnose network problems.
  • Upgrading and patching network hardware and software components as needed.
  • Creating and updating network security policies, procedures and technical standards.
  • Reviewing and analyzing existing enterprise network and data security for effectiveness and efficiency, and developing strategies to improve or enhance.


  • 10+ years of experience managing switching and routing in a production environment.
  • Expertise in TCP/IP and routing protocols (e.g., EIGRP, OSPF, BGP, IS-IS, 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.
  • Solid experience in Bash, Python or other scripting languages.
  • Demonstrable experience architecting and managing networking in the cloud (preferably AWS).
  • Solid experience setting up network monitoring systems such as LibreNMS, SolarWinds or others.
  • 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.
  • Strong problem-solving ability, and desire to implement innovative solutions.
  • CCNP, CCIP or similar Certification a plus.
SiFive is proud to be an equal employment opportunity workplace. We offer a competitive compensation package that includes flexible paid time off; health, vision and dental benefits; 401(k) plan; employee stock option program, and much more.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
If you yearn to be challenged and wish to work in an environment where the boundaries of your creativity and skills will be tested, then SiFive is the place for you!
Notice to Staffing Agencies / External Recruiters:
Thank you for your interest in SiFive Inc. Please note that SiFive does not accept unsolicited resumes from external agencies unless contracted to fill a specific position. Agencies are hereby specifically directed NOT to contact SiFive employees directly in an attempt to present candidates – all applications must go through SiFive's internal recruiting team. Any third-party resume forwarded by agencies/external recruiters to a SiFive mailing address, fax machine or email address, directly to SiFive employees, or to SiFive's resume database will be considered property of SiFive Inc and treated as a direct application. This exchange does not constitute an agreement between SiFive and the agency/external recruiter. SiFive reserves the right to contact the candidate directly. Employment agencies/external recruiters will receive no compensation from SiFive or its companies.