About the role
About OLIX
AI is growing faster than any technology in history, and the demand has created an infrastructure gap: we can no longer build chips or power stations fast enough to keep up. The industry still relies on a ten-year-old hardware blueprint that has reached its limit. The OLIX Decode Accelerator 1 (DX-1) is the first accelerator architected specifically for decode. Rack-scale co-design of logic, data movement, packaging, optics and interconnect delivers a step change in system-level performance.
The Role
We are hiring a Security Engineer to own the security of the systems every OLIX employee depends on: identity, devices, email, collaboration tools and our cloud estate. Our IP is the company, and protecting it is a hands-on engineering job.
You will own detection and response, harden our tooling, run vulnerability management and build the technical controls behind our ISO 27001 certification in 2027. You will work alongside our AI Security Engineer and IT Systems Engineer, and you will use automation and AI to make a small team cover a fast-growing company. This is a high-ownership role with the freedom to define how security engineering works at OLIX.
Responsibilities
* Own detection and response: triage every security alert, work incidents end to end with our managed detection and response partner, and fix the root cause.
* Harden the core estate: configure and baseline security across identity, endpoints, Google Workspace, Slack, Atlassian, GitHub and AWS.
* Run vulnerability management: set remediation service levels, close vulnerabilities in order of real risk, and report progress every week.
* Build certification controls: operate and evidence the controls for ISO 27001, SOC 2 and NIST CSF.
* Extend detection coverage: connect new log sources to our SIEM and write the detection rules for them.
* Automate security work: build the scripts, agents and workflows that remove manual security tasks.
Skills and experience
* 5 or more years in security engineering or security operations, owning controls end to end.
* Hands-on experience running a SIEM and writing detection rules.
* Hands-on experience administering EDR and responding to incidents on macOS and Windows.
* Working knowledge of identity security, ideally Okta.
* Experience securing SaaS platforms and AWS accounts.
* Technical controls delivered for at least one certification audit (ISO 27001, SOC 2 or Cyber Essentials).
* Scripting in Python or a similar language, and a habit of using AI to automate work.
* Nice to have: experience in a hardware, semiconductor or deep-tech company.
Compensation and equity
* Competitive salary: commensurate with your experience, skills and location.
* Equity and ownership: meaningful stock options.
* Proximity bonus: an annual Living-Local Bonus if you live within 20 minutes of the office.
* Retirement benefits: employer-contributed retirement plans.
Due to U.S. export control regulations, candidates' eligibility to work at OLIX depends on their most recent citizenship or permanent residency status. We are generally unable to consider applicants whose most recent citizenship or permanent residence is in certain restricted countries (currently including Iran, North Korea, Syria, Cuba, Russia, Belarus, China, Hong Kong, Macau, and Venezuela). Applicants who have subsequently obtained citizenship or permanent residency in another country not subject to these restrictions may still be eligible.
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Compensation: £139K • Offers Equity
* • Starting from £139K • Offers Equity
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