CyberSecurity Engineer

Overview

Fyxer AI is building an AI Executive Assistant. We’re looking for a hands-on Security Engineer with at least 4 years of real-world experience to help us build a security-first culture and infrastructure as we scale. You'll be our first dedicated security hire, working directly with our CISO and engineering teams to embed best practices, monitor for threats, and stay ahead of attackers.

Responsibilities

• Design and implement controls from the ground up
• Harden cloud environments and monitor endpoints
• Run threat hunts, analyze logs, and detect anomalies
• Respond to incidents in real-time
• Participate in tabletop exercises and incident simulations
• Stay close to the latest tactics, techniques & procedures (TTPs)

Qualifications

• 4+ years in cybersecurity or technical security roles
• Familiarity with frameworks like NIST, ISO 27001, or CIS Controls
• Working knowledge of networking, OS (Windows/macOS), and security protocols
• Experience with tools like Splunk, CrowdStrike, Nessus, Palo Alto, Wireshark
• Basic cloud security knowledge (AWS/Azure/GCP)
• Scripting experience (Python, Bash, PowerShell)
• Experience/Knowledge within a JS tech stack is a must
• A sharp eye for log analysis, threat investigation & incident response
• Bonus: Security+ / CEH / CySA+ certs

What you’ll get

£80k salary + meaningful equity and private medical insurance. The role is onsite at our office in Holborn/Chancery Lane in central London at least 4 days a week.

Why Fyxer

We're creating a new category of AI productivity tools, one that changes how people actually work. We keep our team intentionally small to move fast and own big decisions early.

We're gunning for $25+M ARR by the end of 2025, with real opportunities for you to grow as we scale.

How we hire

• Submit your CV (no need for a cover letter) + quick intro call with our talent team
• Hiring manager interview
• Real-world case study
• Meet the team over lunch

Seniority level

• Associate

Employment type

• Full-time

Job function

• IT Services and IT Consulting

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