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Cye is seeking a Sales Operations Specialist to help support our sales team as we manage incredible growth and new vertical expansion. As a Sales Operations Specialist, you will be responsible for assisting sales leadership with driving operational excellence for Cye. You will also cover the day-to-day administration of Cyes sales team and operational tasks.
This role is a business partner in the sales organization, enabling revenue growth and increasing sales productivity by providing effective methodologies, efficient processes, value-added information, and sales tools.
Responsibilities:
Oversee the process of commercial contracts (NDA, SOW, MSA, Partner agreements) by handling necessary agreements and working with the sales, legal, and finance teams.
Support day-to-day administration of the global sales team and operational tasks. (such as, Support Opportunity and Deal Management, Manage customer and partner onboarding activities)
Act as the sales interface for finance, legal, marketing, and services departments by supporting different GTM initiatives, projects, and tasks.
Assist sales leaders with pipeline and opportunity inspection and validation.
Organize, support, and manage E2E Quarterly Business Reviews (QBRs) - data preparation, reporting, and providing actionable summaries and next steps.
Manage and maintain sales data in Salesforce, CRM, and other sales tools.
Conduct regular pipeline and activity reviews with Sales team and maintain daily, weekly, monthly, and quarterly reports and KPIs.
Proactively identify operational gaps, data-quality issues, process inefficiencies, and opportunities for automation or standardization.
Own and maintain the Sales Ops knowledge base, including policies, procedures, templates, onboarding materials, training resources, and best practices.
Assist with onboarding and training of new sales representatives.

We are seeking a Machine Learning Engineer to join the team that builds the predictive intelligence powering the Hello Heart app. You will own the ML models behind user engagement, cardiovascular risk stratification, and personalized health recommendations - the systems that determine what users see, when they're nudged, and how their health trajectories are shaped.

This role demands both statistical depth and engineering proficiency - you will be expected to take models from research through to deployment, write code built for production, and use AI coding assistants fluently as part of how you get work done.

Responsibilities
Lead end-to-end development of predictive ML models. From data exploration and feature engineering through training, validation, deployment, and ongoing monitoring across engagement and clinical risk domains.
Apply strong statistical foundations to model design, feature selection, uncertainty quantification, and interpretation of results
Write production-grade Python code that is clean, tested, and built for maintainability and scale.
Use AI coding assistants to accelerate development, code review, and documentation without sacrificing quality or rigor.
Partner with product managers, data engineers, and software engineers to translate strategic questions and user behavior patterns into measurable, data-driven solutions.
Research and implement cutting-edge ML techniques spanning supervised and unsupervised learning, causal inference, deep learning, and reinforcement learning to tackle complex healthcare challenges.
Contribute to MLOps infrastructure: model serving, versioning, evaluation pipelines, and monitoring.
Design and interpret A/B tests and other experimental methodologies to measure the impact of models, features, and interventions.

we are looking for a AI & API Security - Sales Lead.
We are building this into a fast-growth business line. You will lead Upstream's AI & API Security business globally - the number, the sales strategy, and the execution. This is a builder's role, and you will define and lead the sales motion, work closely with our regional sales leaders, marketing, product, and CSM teams, close the first flagship logos yourself, and then scale it through our global sales organization.
This role is full-time and is based in Herzliya, Israel.
Responsibilities:
Lead the AI & API Security business - carry a global revenue target, and own pipeline, forecast, and pricing for the line of business.
Build and lead the AI & API Security sales motion - define ICP, segmentation, packaging, and the sales playbook, in partnership with regional sales leaders, product, marketing, CSM, and cyber services.
Sell directly - personally lead strategic enterprise outreach end to end, from first meeting through technical validation, solution review, procurement, and close.
Enable the global sales teams - arm regional sellers in North America, EMEA and APAC with training, playbooks, and deal support so AI & API Security scales beyond your own quota. Support the sellers in every stage of the deal and push for closing the deals.
Act as the subject matter expert of the offering - run discovery, architecture discussions, demos, and POVs; represent Upstream at customer executive briefings, industry events, and analyst conversations.

The CPU Architect will take charge in defining a processor core that meets the requirement of high performance, high bandwidth, and scalable processing architecture. This architect will utilize his processor experience to deliver a world-class processor ASIC with many advanced features for Huawei products.

We are looking for a talented Controller to join our Finance team. This role includes managing accounting, taxation and payroll across several subsidiaries, overseeing regulatory and financial reporting and assistance in preparing budgets and forecasts.
As a Controller you will be reporting to the CFO and be part of a team that is responsible for the finance, accounting, and reporting activities for the company.
This is a full-time, Israel-based, 9-Month Temporary Position, with the possibility of extension.
Responsibilities:
Responsibility for all day-to-day financial activities of Upstreams subsidiaries.
Responsible for the payroll process in several subsidiaries
Responsibility for the monthly and annual closing process of Upstreams subsidiaries in accordance with US GAAP.
Oversee and review all bookkeeping activities to ensure accurate and compliant financial records.
Assist with various ad-hoc financial tasks and projects.
Collaborate with external auditors, tax advisors, and cross-functional teams.

we are looking for a highly motivated student to join our Data Analytics team. This role includes exploring and extracting insights from millions of connected vehicles on the road. As a Data Analyst, you'll develop the next generation of cybersecurity and mobility data applications for the automotive industry.
This role is part-time and is Israel based.
Responsibilities:
Leading the data onboarding process of new customers.
Explore raw data of various customers as preparation for parsing and normalization in order to turn data into actionable insights and make data-driven decisions.
Use big data tools and AI to analyze large scale real-time data of connected vehicles and identify anomalies and emerging threats to create meaningful detectors that bring value to our customers.
Representing the data function both internally and externally, including customer-facing interactions.

Looking for a CPU performance modeling architect to take responsibility over the performance aspects of new CPU instructions or modes of operation. The role includes but is not limited to:
Partners with lead SW and HW architects to co-invent optimal HW and SW solutions that come to address requirements. Influences the direction based on experiments and simulation data.
Models CPU functionality, performance and/or power in pre-silicon simulators
Defines and runs performance experiments to aid feature definition. Such experiments can be performed on a pre-silicon simulation environment or in a real system or on a combination of both or even in combination with analytical models.
Provides experimental/proof of concept for new features and implementation alternatives meeting performance constraints.
Analyzes the bottlenecks of current CPUs on workloads that reflect CPU future usages.
Potentially (in the future), lead a team doing above activities.
An adequately qualified candidate can also become the leader of definition for some features in addition to all the roles above.

we are looking for a Ad Operation Specialist
As an Ad Operations Specialist, you will play a key role in supporting advertising business by ensuring the seamless execution, monitoring, and delivery of digital video advertising campaigns. Working closely with Enterprise Account Managers, agencies, and cross-functional teams, you will help drive campaign success by proactively monitoring campaign delivery, identifying issues, preparing operational reports, and ensuring operational excellence across a high-volume portfolio.
This role requires a strong analytical mindset, exceptional attention to detail, and a customer-first approach. You will collaborate with Product, Support, R&D, and Business teams to resolve campaign-related challenges while becoming a trusted expert in advertising platforms and operational workflows. Success in this role requires ownership, adaptability, strong communication skills, and the ability to thrive in a fast-paced environment.

we are looking for a Algorithm Engineer (RTB)
As an Algorithm Engineer on the Algorithms team in our Tel Aviv office, youll play a vital role in building machine learning models that power real-time bidding and optimize billions of daily auctions.
Youll design and evolve large-scale ML solutions that drive bid optimization, price prediction, win-rate prediction, and auction strategy.
Working at the intersection of machine learning, data, and engineering, youll take models from research and experimentation through production, creating solutions that directly impact advertiser performance, publisher revenue, and marketplace efficiency.

We are a highly experienced architecture group specializing in switch processing, with deep expertise in both hardware and software architecture in the high-speed networking domain.
Our innovative packet processors power some of the most advanced data centers in the world and are designed into tier-1 vendor platforms. With state-of-the-art technology, a strong track record of industry recognition, and multiple award-winning achievements, we continuously push the boundaries of performance and scalability.
Our group is involved across the entire development lifecycle - from early research and architectural definition to silicon production - working on both research initiatives and production-grade products.


What will you be doing?
Lead research, evaluation, and architectural definition of next-generation chips - from requirements through production.
Define next-generation Packet Processor / Datapath / Congestion Management architectures for high-performance, complex SoC Ethernet Switches.
Design the system architecture and detailed micro-architecture definition across major functional blocks.
Collaborate closely with design, verification, and modeling teams to ensure architectural intent is fully realized.
Work cross-functionally with other architecture teams to shape cohesive system solutions.
Explore and evaluate new technologies and innovative approaches for future products.

we are looking for a Algorithm Team Lead
As a Team Leader on the Bidding Strategies Algo team in our TLV Office, youll play a vital role in shaping how Advertisers bid in real-time auctions at massive scale.
You will lead the optimization of our existing bidding strategies and the design of new ones, formulating bidding problems mathematically, applying control-theoretic methods, and analyzing the complex dynamics of a closed-loop.
By guiding team members and partnering closely with engineering, youll turn theoretical insights into robust production solutions. Your work will directly influence advertiser ROI efficiency across thousands of advertisers.

We are forming a new team to explore AI Compilation Boundaries
This team will operate under a unique manner, as described below -
The environment
- Startup-like intensity
Small team
High ownership
High visibility
Merit is the essence, not titles
- Fast pace
Todays state of the art is tomorrows baseline
We aim to go beyond
- Incubator mindset
Take on hard challenges, dismantle, and regroup as novelty
- Elite technical culture
Strong experts
Strong standards
Strong execution.
Ratio beats seniority, not the other way around
- No artificial boundaries
We challenge assumptions, and question constraints, and leave no quarter
- Direct exposure to the latest and greatest AI technology
Real hardware
Real toolchains
Real large-scale AI applications
All pass through and impacted by our work
- First-principles thinking
out-of-the-box is a compromise
Do not accept that a box had to exist in the first place.

we are looking for a Assistant Corporate Controller
As Assistant Corporate Controller in our finance group in our TLV Office, youll play a vital role in managing the day-to-day accounting functions, ensuring proper treatment of complex transactions, and supporting the reporting of results across our global offices.
The Assistant Corporate Controller will report to the Corporate Finance Director. also you will Oversight and mentor the regional accounting teams to ensure high productivity and accuracy in monthly tasks, work closely with FP&A, Legal, and IR to provide the data and analysis required for SEC reporting and department-level expense management

we are looking for a Bidding Strategies Algo Team Leader
As a Team Leader on the Bidding Strategies Algo team in our TLV Office, youll play a vital role in shaping how Advertisers bid in real-time auctions at massive scale.
You will lead the optimization of our existing bidding strategies and the design of new ones, formulating bidding problems mathematically, applying control-theoretic methods, and analyzing the complex dynamics of a closed-loop.
By guiding team members and partnering closely with engineering, youll turn theoretical insights into robust production solutions. Your work will directly influence advertiser ROI efficiency across thousands of advertisers.

We are looking for a Senior AI Modeling Architect to define and model the architecture of our next-generation AI processors. In this role, you will serve as a key technical authority - bringing not only strong modeling capabilities, but also the architectural vision to propose and drive end-to-end solutions to complex design challenges.
You will work at high levels of abstraction, partnering closely with HW and SW architects to co-invent optimal solutions, validate them through simulation, and influence design decisions based on experimental data.

Responsibilities
Model CPU/AI processor functionality and performance using SystemC and pre-silicon simulation environments.
Define and drive architectural solutions - not only identify problems, but come with concrete proposals and alternatives.
Partner with lead HW and SW architects to co-design features and evaluate trade-offs across the stack.
Analyze bottlenecks and performance on workloads reflecting future AI use cases.
Provide proof-of-concept implementations for new architectural features and design alternatives.
Potentially lead feature definition in addition to the modeling role.