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We are seeking a Senior AI Researcher to lead post-training evaluation, red-teaming, and reinforcement learning (RL) gym audits on open-weight models. The ideal candidate will establish rigorous benchmarking methodologies, evaluate large language models (LLMs) against complex threats like Indirect Prompt Injections (IPI), and construct post-training evaluation pipelines that accurately measure realistic frontier-level security capabilities. Key Responsibilities RL Post-Training & Benchmarking
* Execute post-training runs (e.g. GRPO) using mainstream open-weight generalist models against security-focused RL environments, targeting threat vectors like Indirect Prompt Injection (IPI).
* Reward Diagnostics & Trace Analysis - Analyze live loss curves and rollout traces to identify reward hacking, lazy policy convergence, and flawed or over/under-specified verifiers. Task & Environment Auditing
* Review tasks and multi-turn environments (including tool use, web navigation, and computer use) for realism, threat model accuracy, data distribution, and dataset balance. Performance Reporting (Gym Cards)
* Generate comprehensive evaluation cards detailing hill-climbing performance uplift across checkpoints, failure modes, tokens/turns per rollout, and task-level success rates. Integration & Orchestration
* Integrate dockerized environments (e.g., Harbor format) into internal training frameworks, optimizing reset/statefulness semantics, concurrency, and throughput ceilings.
Hybrid:
Yes

As an IT helpdesk Specialist, you'll join global IT team providing first-line Technical Support to our EMEA (London, Paris) and US (Boston) offices, as part of our follow-the-sun (166) coverage model, working in rotation alongside our IT Manager and system administrators. This role's shifts fall in the afternoon/evening (Israel time) to align with our US and European business hours, and it is a primary point of contact for non-Israel-based employees - strong professional English is essential. Weekly schedule (Israel time):
* Monday: 15:00-23:00
* Wednesday: 15:00-23:00
* Friday: 10:00-15:00 What you'll do: Provide helpdesk support for our EMEA and US offices as part of the follow-the-sun rotation. Support and troubleshoot hardware and software issues (Windows and Mac). Install and configure hardware, software, and networks. Execute onboarding/offboarding processes for employees per established procedures. Manage and maintain IT inventory. Monitor on-premises systems and troubleshoot issues. Maintain and support A/V conference systems (Zoom, Teams) for company meetings across time zones. Perform first-line administration of Entra ID, Intune/Kandji MDM, and our corporate Azure/O365 environment via scoped helpdesk -tier roles, with time-boxed, approval-gated elevation for anything beyond that scope, per team runbook. No standing privileged admin access.

At Alice, our Cyber Threat Intelligence group thrives on curiosity and deep technical dive capabilities. We are looking for a Senior Threat Intelligence Researcher with a passion for CTI and a background in proxy research/ anti-bot defense/ web-scraping /threat hunting, with a proven ability to take initiative and conduct independent research with a track record of high-level results. In other words, not just an individual contributor, but a true talent that is seeking to make a mark in the industry. You will lead technical threat research, author analytical reports, and proactively monitor ongoing and emerging threats to keep us steps ahead of adversaries. Responsibilities
* Hunting, detecting, monitoring, and researching threats against Alice clients.
* Analysis of threat groups and TTPs across different fraudulent ecosystems.
* Researching and monitoring multiple sources through the clear, deep, and the dark web.
* Produce technical reports for clients describing threat actor TTPs, analysis and exploits relevant for Alice’s clients. Work closely with client account leads and stakeholders, as well as collaborating with fellow analysts to produce intelligence reports.
* Review, enrich and provide analyst tradecraft for other team members as part of the delivery process. Prepare assessments of current threats and trends based on collection, research and analysis of classified intelligence collected by the teams.

About Alice:
Alice is a trust, safety, and security company built for the AI era. We safeguard the communicative technologies people use to create, collaborate, and interact- whether with each other or with machines. In a world where AI has fundamentally changed the nature of risk, Alice provides end-to-end coverage across the entire AI lifecycle. We support frontier model labs, enterprises, and UGC platforms with a comprehensive suite of solutions: from model hardening evaluations and pre-deployment red-teaming to runtime guardrails and ongoing drift detection. Alice is widely considered a global leader in online safety and AI security. We have some of the most forward-thinking and passionate minds in the world working to safeguard over 3 billion users across the largest AI and tech platforms. If you're creative and driven to secure the future of AI, we want to hear from you!

As an IT helpdesk Specialist, you'll join our global IT team providing first-line Technical Support for our Israel office, as part of our follow-the-sun (166) coverage model, working in rotation alongside our IT Manager and system administrators. Your primary objective is to keep computer systems, software, and hardware running smoothly - resolving issues promptly and delivering strong service that keeps our teams productive. What you'll do: Provide helpdesk support for our Israel office as part of the follow-the-sun rotation. Support and troubleshoot hardware and software issues (Windows and Mac). Install and configure hardware, software, and networks. Execute onboarding/offboarding processes for employees per established procedures. Manage and maintain IT inventory. Monitor on-premises systems and troubleshoot issues. Maintain and support A/V conference systems (Zoom, Teams) for company meetings. Perform first-line administration of Entra ID, Intune/Kandji MDM, and our corporate Azure/O365 environment via scoped helpdesk -tier roles, with time-boxed, approval-gated elevation for anything beyond that scope, per team runbook. No standing privileged admin access.

We are seeking candidates with quantitative portfolio management experience and intimate knowledge of systematic strategies

Job Responsibilities (include, but not limited to the following):
Develop systematic strategies that use statistical signals associated with various market inefficiencies applied to a broad variety of asset classes including global equities and/or ETFs, futures.
Lead, manage and grow quantitative investment portfolio.
Contribute to broader firm research and strategic initiatives.

Our group is responsible for building software enabling both the large-scale quantitative research operations that drive our platform and the production of our portfolio. The team is currently embarking on a multi-year journey to provide a powerful, scalable, and efficient platform to drive the firms next decade of growth. We are looking for someone who can own some of the unique technical challenges inherent in the problem and who can bring solid experience and perspective to the team.

Our group is responsible for building software enabling both the large-scale quantitative research operations that drive our platform and the production of our portfolio. The team is currently embarking on a multi-year journey to provide a powerful, scalable, and efficient platform to drive the firms next decade of growth. We are looking for someone who can own some of the unique technical challenges inherent in the problem and who can bring solid experience and perspective to the team.