Sierra
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Junior Engineering Manager – AI Platforms (virtual-first)
About Us
At Sierra, we’re building a platform to empower businesses with AI, ensuring customer experiences are humanized, seamless, and impactful. Our primarily in-person, globally distributed team operates from San Francisco, with growing offices in Atlanta, London, Paris, Madrid, Munich, Singapore, Tokyo, and Sydney.
Guided by five core values—Trust, Customer Obsession, Craftsmanship, Intensity, and Family—we foster an environment where innovation thrives. Co-founders Bret Taylor (ex-Chair of OpenAI, Salesforce co-CEO, Google Maps co-creator) and Clay Bavor (ex-Lead of Google AR/VR, project Starline, Google Workspace) lead our mission to make AI safer, accessible, and immortal.
What You’ll Do
As the Junior Engineering Manager, you’ll bridge the gap between engineering excellence and cross-functional execution in Sierra’s AI platforms team. With a focus on scaling and stabilizing our core infrastructure while preparing for future product roadmap demands, you’ll:
- Own and refine engineering processes—Implement best practices for onboarding, performance reviews, and career growth within a remote-first, global team.
- Collaborate with engineering leadership—Partner closely with the Engineering Director to optimise workflows, clarify priorities, and ensure technical sustainability.
- Drive empowerment across teams—Lead and mentor engineers, fostering accountability, quality, and accountability toward our high standards of craftsmanship and intensity.
- Balance innovation and stability—Contribute to architectural discussions, documentation efforts, and knowledge-sharing while ensuring scalability without overextension.
- Own and deliver bitesize weekly stand-ups—Keep communication clear, action-oriented, and aligned with our intensity and family values.
This is a virtual-first role, requiring full ownership and initiative equal to our in-person office expectations.
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Who You Are
We’re looking for a hands-on security-focused architect whose expertise lies in zero-trust security, IoT ecosystems, and the safe integration of high-risk systems. You’ll possess:
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Core skills & experience:
- 5+ years (preferred) in cybersecurity architecture with a strong focus on zero-trust models, IoT security, and M2M device management. Backgrounds in Microsoft AMS/Azure Sphere, Kubernetes, or proprietary device security ecosystems (e.g., Nest, Cisco, HP) are badges of honour.
- Ownership of designing production-grade deployments for high-risk environments instead of only pre-sales or lab work.
- Proven familiarity with identity management, mutual TLS verification, and threat models for consumer-grade devices securing transferable end-to-end.
- Fluent in cloud security tools (Microsoft Entra ID, Azure Sphere OS), mix of SaaS and edge security. Knowledge of AWS IoT and Sakura, firewalls for industrial (Palox, Fortinet), and hashing (BLAKE2b for device authentication certification) are doubly exciting.
- C/C++ or Rust experience (highly preferred, though we welcome expertise across the stack). KeySafes, PowerShell scripting awareness, Bash cron for device management help authenticates your pragmatism.
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Mindset matters most:
- Proudly mindful, hands technical. Based in EMEA/Future permeability? Bonus.
- Obsessed with completeness. You notice where teammates struggle and thrive local channel communication with proactive curl upwards.
- Owns robust authenticity. Intent to succeed. We don’t equivocate success through nodules but celebrate the blunder-free culture and direct resilience-through-values alignment.
What We Offer
Cutting-edge Contributions
- Shape the future of security in consumer IoT—You’ll play a direct role in Eheering a comprehensive zero-trust architecture, securing the devices getting shared between billions of users.
- Shape next-generation policies—Your insights will drive the vision around safe usage enabling trust at the edge of silicon and software.
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Empowering Growth & Impact
- Take ownership of your visibility across-risk flows. To progress between threat vectors, you’ll tell your annual proposal story and earn the autonomy to bless five shot (“Boundary Blessing”) projects per year.
Quality of Work-Life
- Flexible workloads - exchanges are not deterrents. If Siemens IoT in Berlin expects a “roll on to 이른해” you can navigate Non-Disclosure Agreements with aplomb like Unsplashed contracts.
- Fully remote, globally distributed equity pooling. Located sense of responsibility when alphabeting empirically-driven financial independence.
- Family & equity value—Sierra’s society prioritizes flexibility in junior life paths. Policies support hybrid scrounging to moderate autonomy via finance and family engagement during widescreen family time across cultural layers of innovation.
About Our Company
Our Values at Work
- Trust. We know full visibility has been the minimum for decades—You’ll accentuate “sessions of trust” across party-stakeholder intersectionality.
- ⚡ Intensity. Speed of execution combined with finesse. You’ll care passionately even if it all goes awry.
- Family. Imposter syndrome handled internal. Health, workability, and fun are arising matters.
Betraying these values breaches systemic oomph. Trust is friction, and we back each other without compromising sandbox boundaries—even accidental slippages-won’t fly.
Join Sierra. Redact your own quantity of trust. Build a team of constructive, Beerdaten dancers, elevated by noble intelligence. Be it.
Over 2x OpenAI’s value? Move fast.
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Jessica, London
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