Jobs for Developers

Senior/Staff Security Engineer - PKI

ZooxFull-time$180k - $260kFoster City, CaliforniaApr 1, 2023

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Zoox is seeking an experienced Public Key Infrastructure (PKI) Engineer who will be responsible for helping ensure the security of our customers, staff, systems, communications, and data.

The PKI Engineer will support the implementation, maintenance and upkeep of the Zoox X.509 system.  This work will include PKI build out, training of staff in PKI usage, and documentation of the same. The candidate will work closely with other departments to ensure proper and secure usage of certificates at Zoox for purposes such as user identification, code signing, server certificates, certificates for mobile devices, certificate suspension, key recovery, and other associated tasks. The candidate will help develop the programs, tools and processes required to ensure the viability of the Zoox PKI system.

This role requires a detail oriented, documentation obsessed personality. As has been demonstrated time and again, operational mistakes in this realm can be extremely costly both in terms of time and money. The ideal candidate will understand the real world and technological challenges required to allow an organization to run a successful PKI system.


  • PKI engineering and administration.
  • Use keys and certificates to secure data at rest and in transit
  • Use OpenSSL or other utilities to build and analyze certificates, CRLs, and other related tasks
  • Work cross-functionally with different business units with visibility across the entire enterprise.
  • Develop and document policies and procedures as well as explain their significance.


  • 8+ years of relevant experience.
  • Understanding of X.509 and associated RFCs.
  • Experience with HashiCorp Vault.
  • Strong knowledge of AWS cloud engineering and operations.
  • Software development experience, ideally with Golang.
  • Aptitude to address negative situations, and resolve them in a positive manner.
There are three major components to compensation for this position: pay, Amazon Restricted Stock Units (RSUs), and Zoox Stock Appreciation Rights. The pay range for this position is $180,000 to $260,000. A sign-on bonus may be offered as part of the compensation package. Compensation will vary based on geographic location and level. Leveling, as well as positioning within a level, is determined by a range of factors, including, but not limited to, a candidate's relevant years of experience, domain knowledge, and interview performance. The pay range listed in this posting is representative of the range of levels Zoox is considering for this position.

Zoox also offers a comprehensive package of benefits including paid time off (e.g. sick leave, vacation, bereavement), unpaid time off, Zoox Stock Appreciation Rights, Amazon RSUs, health insurance, long-term care insurance, long-term and short-term disability insurance, and life insurance.

About Zoox
Zoox is developing the first ground-up, fully autonomous vehicle fleet and the supporting ecosystem required to bring this technology to market. Sitting at the intersection of robotics, machine learning, and design, Zoox aims to provide the next generation of mobility-as-a-service in urban environments. We’re looking for top talent that shares our passion and wants to be part of a fast-moving and highly execution-oriented team.

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A Final Note:
You do not need to match every listed expectation to apply for this position. Here at Zoox, we know that diverse perspectives foster the innovation we need to be successful, and we are committed to building a team that encompasses a variety of backgrounds, experiences, and skills.


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