Who we are

At Fyxer, we’re building something bold: an AI Executive Assistant that genuinely takes work off your plate.Imagine opening your laptop and finding your emails written, your meetings scheduled, your follow-ups sent, and your inbox under control all without you lifting a finger. That’s what we do.We’re not a SaaS product with a bolt-on chatbot. We''re a pure-play AI company using cutting-edge techniques (think fine-tuned open source models, retrieval augmented generation, intelligent tool use) to actually automate real work, not just create more of it.And it works:Launched March 2024$1M? $15M revenue in since January 20251,000s of paying usersBuilt by a team of just 4We’re growing fast and we’re looking for someone exceptional to own and scale our security efforts from the inside.What you’ll be working on

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.This isn’t a passive, checkbox-ticking role. You’ll get to:Design and implement controls from the ground upHarden cloud environments and monitor endpointsRun threat hunts, analyze logs, and detect anomaliesRespond to incidents in real-time, not just read about themParticipate in tabletop exercises and incident simulationsStay close to the latest tactics, techniques and procedures (TTPs)

Your fingerprints will be on every layer of our infrastructure from CI/CD pipelines to employee devices to cloud configurations.You’ll thrive here if you have:

4+ years in cybersecurity or technical security rolesFamiliarity with frameworks like NIST, ISO 27001, or CIS ControlsWorking knowledge of networking, OS (Windows/macOS), and security protocolsExperience with tools like Splunk, CrowdStrike, Nessus, Palo Alto, WiresharkBasic cloud security knowledge (AWS/Azure/GCP)Scripting experience (Python, Bash, PowerShell)A sharp eye for log analysis, threat investigation and incident responseBonus: Security+ / CEH / CySA+ certs

A bit about you

You’re deeply curious, action-oriented, and thoughtful under pressure. You don’t just want to spot problems, you want to fix them, automate the fix, and then teach the team how to prevent it altogether.You want ownership, not hand-holding. You thrive in ambiguity and get a kick out of being the person others rely on when things go sideways.What you''ll get from us:

£45k–£65k salary + meaningful equity and private medical insurance as part of the package.The role is onsite at our office in Holborn/Chancery Lane in central London at least 4 days a week as we scale.

Why Fyxer?

We’re not building another dashboard. We’re creating a new category of AI productivity tools, one that changes how people actually work.We keep our team intentionally small, because we believe a handful of mission-driven people can outperform bloated orgs with 10x the headcount. That means:You’ll move fastYou’ll own big decisions early

We’re gunning for $25+M in ARR by the end of 2025, and there will be real opportunities for you to grow career wise as we scale.How we hire

Submit your CV (no need for a cover letter)Quick intro call (20 min) with our talent teamHiring manager interview (30 min)Real-world case study (45 min)Meet the team over lunch (60 min)

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