Principal Security Architect

Graphcore is a SoftBank-owned AI-compute company developing AI processors, systems, and software for machine-learning workloads.

Series ERecently funded0 current maintainers0 active leadsTeam intelligence

Maintainer signals as of 9/25/2026

Bristol, United Kingdom
About Graphcore

Graphcore develops Intelligence Processing Units (IPUs) and the Poplar SDK for building and running machine-learning applications. It continues operating under the Graphcore name as a wholly owned SoftBank Group subsidiary.

View jobs by Graphcore

Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will design, deploy, and govern scalable cryptographic key-management infrastructure. You will manage hardware security modules, establish key and certificate lifecycle policies, implement access controls and automation, assess risks and compliance, and provide secure platform guidance to engineering teams.

Requirements

  • MS or Ph.D. in a highly technical relevant field
  • 10+ years of deep technical experience
  • Experience with Public Key Infrastructure and Hardware Security Module deployment and management
  • Knowledge of encryption technologies, security controls, and compliance frameworks
  • Understanding of OIDC, LDAP, cloud IAM, secret engines, PKI, encryption, and credential lifecycle
  • Knowledge of infrastructure maintenance, disaster recovery, and capacity management
  • Knowledge of secure software development lifecycle and configuration management
  • Familiarity with Terraform and CI/CD automation

Responsibilities

  • Design and deploy scalable secure infrastructure solutions
  • Own and govern Hardware Security Modules
  • Develop platform standards, policies, access models, and workflows
  • Conduct risk and compliance assessments and support disaster-recovery strategies
  • Collaborate on requirements, key operations, and capacity planning
  • Advocate for secret lifecycle management, authentication, and identity-federation practices
  • Create tooling, automation, onboarding guides, and libraries for platform access

Benefits

  • Medical, dental, and vision coverage
  • Mental health, wellness, and employee-assistance resources
  • Retirement savings benefits and company contributions
  • Paid vacation, sick time, holidays, and parental or family leave
  • Life insurance and short-term or long-term disability coverage
  • Flexible working hours and hybrid working arrangements where compatible
  • Office amenities and team-led activities