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meet your career aspirations & make an impact on the exciting
world of mobile communications

Capture the Opportunity

What we’re All About

At Cellwize, we are all about connecting the networks of tomorrow today – all over the world.

To make that happen we have gathered some of the finest talents out there.

Our team is made up of dreamers and doers who are daring, inventive, and bold.

We are always inspired to create, unafraid to disrupt the status quo, and driven to bring paradigm shifting technologies and solutions to market.

So, if this sounds like you – then Cellwize is where you need to be!

Find Your Calling

RAN Automation Delivery Expert, Israel


Cellwize is looking for a talented RAN Automation Delivery Expert to join US!

What we Offer?

Integrate into a team of Radio Access Network optimization experts to meet and exceed the exciting challenges of rapidly evolving mobile networks.


What you Need to Bring?

  • 4 to 8 years of relevant wireless experience, including LTE, UMTS and GSM.
  • Deep understanding in RAN – Optimization techniques, Network structure, Interfaces, Performance monitoring, Provisioning, etc.
  • Experience in the Network Automation/SON domains, preferably from a vendor side.
  • Experience with Optimization and Multiband tuning with multi technologies on multi vendors' equipment: Huawei, Ericsson and Nokia.
  • Extensive experience proposing post-launch optimization changes and tracking improvements towards target KPIs.
  • Hands on experience in the following systems/tools: OSS (multivendor), Mapping-info tools, Windows - must, Linux – advantage, Excell, My SQL, Vertica, Mongo DB
  • Strong customer orientation.
  • Experience in Building strong relationships with customers technical teams.
  • Technical presentation skills.
  • Ability to work across departments, coordinate and communicate with various groups and key players.
  • Personal skills: Highly technical and hands on orientation, able to learn new engineering fields quickly, service orientation, verbal communication skills, languages: English (must), multi-cultural orientation, accurate and thorough, organized, self-disciplined.




Product Expert, Romania


Cellwize is extending its Product management group and looking for a talented product manager to join and lead our journey of building the future of cellular networks.

As a Product manager at Cellwize, you will have the opportunity to deep dive into new and existing cellular technologies and products, work with leading global operators, design and oversee the creation of innovative Self Optimizing Network applications.

You Should Have:

  • A passion to learn and to innovate, ability to identify a creative solution for complex customer and technology challenges.
  • Effective and excellent verbal, written, and interpersonal communication skills. Able to present to both senior and technical crowds.
  • Proven Product management experience, understanding of product management processes and principles and agile product development methods.
  • Planning and Optimization hands-on experience with 3G and 4G networks, (2G experience is a plus).
  • Knowledge of the latest eRAN software releases and engineering rules on how to dimension and plan various network elements in the network.
  • In depth understanding of:
    • Parameter and network audit analysis
    • Accessibility retainability integrity mobility KPIs for 2G, 3G and 4G radio access technologies.



Site Reliability Engineering, Israel & New Jersey

IsraelNew Jersey

**We have 2 open positions in Ramat Gan, Israel & New Jersey, USA**

Cellwize Wireless company is seeking a full-time SRE to join our talented

team and build high-quality technology solutions that revolutionize cellular networks, powered by Artificial Intelligence in the customer cloud. Cellwize provides services through SaaS applications to several Fortune 100 and Fortune 500 customers. You will take ops projects from concept through to launch. You will be responsible for maintaining and improving the company's production environment for rapid scaling and outstanding performance. You will be responsible to help us keep stellar uptime and reliability. The improvements you implement will be felt by the entire organization.

As s Site Reliability Engineer at Cellwize, you will be responsible for keeping our cloud-based services, streaming frameworks, NoSQL/RDBMS databases and distributed analytical platforms running in multi-cloud environments to deliver unprecedented IT automation and insight into user experiences driven by our AI services over a geographically distributed customers’ networks.



  • Build infrastructure as a code using Terraform, Ansible and Kubernetes.
  • Manage and performance tune either databases (NIFI, Elasticsearch) or streaming data pipelines (Kafka)
  • Manage CICD pipelines, configuration, automation tools for infrastructure provisioning.
  • Write and maintain runbooks for knowledge driven automated processes and bots.
  • Do capacity planning based on performance, usage, and utilization stats.
  • Partner with developers and quality engineering teams to automate the monitoring, alerting, availability and scalability of our applications and systems.
  • Ensure system availability and business continuity by implementing redundant servers/services.
  • Manage after-hours infrastructure updates and maintenance.
  • Proactively research and propose the use of new concepts, processes, technologies, and tools.
  • Proactive monitoring, diagnosis, on-call rotation and resolution of issues in a 24x7 of multi-cloud environment (OpenStack), analyze failures and provide support for software engineers to debug production issues across microservices and distributed platforms.
  • Follow SRE best practices and procedures.


Experience Required For You To Be Successful:

  • Follow SRE best practices and procedures.
  • An extensive background in developing and operating large-scale cloud-based distributed applications
  • Direct experience developing/running applications on OpenStack and AWS.
  • Laser focus and be able to design infrastructure solutions for scalability, reliability, high availability, performance, software maintainability, and operational excellence
  • The ability to "fix the plane while in flight" (not just support greenfield solutions)
  • The ability to prioritize existing technical and infrastructure debt, and experience to build and execute a plan to pay it off


Required skills:

  • Delivering reliable operations for web-scale infrastructure for a global market at high release velocity
  • Must have solid experience with at least 1 of the languages: Go, Python
  • Experience with Kafka, Mesos, Nifi, Elasticsearch, MySQL, Vertica, Zookeeper, Nginx.
  • 10+ years of industry experience in managing infrastructure.
  • 5 years Linux administration in a large-scale SaaS environment.
  • 5 years maintaining production systems on AWS and/or OpenStack.
  • 3 years’ experience in managing Kubernetes in a large-scale production environment
  • Strong familiarity in running and optimizing RDBs and NoSQL databases.
  • 3 years using infrastructure as code software (eg. Terraform, AWS and Google Cloud Deployment, CloudFormation).
  • 5 years’ experience in continuous integration practices & tools (Jenkins)
  • Experience with monitoring solutions such as: Prometheus, Grafana, ELK.

QA, Israel


Cellwize is looking for a talented Quality Assurance Engineer to join our team!

We have:

  • The most advance optimization platform for cellular network deployed at Operators all over the world.
  • An amazing team of people working together to change the way mobile connectivity is handled.
  • Early stage platform which need additional talented hands to shape its future.
  • An open mind for ideas and methodologies.
  • High pace, result oriented environment and many challenges to solve.


You Should Have:

  • A passion for learning and for technology, with a huge drive to get to the bottom of things and find those bugs.
  • Ability to work independently in a team environment with minimal supervision, take initiative, set priorities, follow through and see tasks through to completion.
  • Excellent analytical and self-learning skills.
  • Experience in an agile and collaborative development environment, focused on agile quality assurance methods.
  • Knowledge of using SQL practices with RDBMS and Column Oriented DBs.
  • Experience with Linux, Modern IDEs (e.g. intelliJ) Modern source control(GIT) and build systems (Jenkins).
  • Expertise in using Quality assurance tools for test planning, execution and defects management, and test automation.
  • B.S. in Computer Science or equivalent Professional experience in Quality assurance engineering.
  • Effective and excellent verbal, written, and interpersonal communication skills.


You might also have:

  • Knowledge of Radio access networks, RF technology and OSS platforms.
  • Experience building enterprise grade software for tier 1 companies.

Senior Java Developer, Israel


Cellwize is looking for a talented Senior Java Backend Developer to join US!

Cellwize Offers...

  • Start-up company in continues growth.
  • At Cellwize we are a team of dreamers and doers, powering the 5G networks of tomorrow with the industry’s most advanced and exciting technologies, including AI and machine learning-driven automation.
  • an amazing team of individuals collaborating to Optimize Cellular Networks.
  • Daily challenges in complex algorithms, data structures and OO designs.
  • End to end ownership on: design, development, testing & measurements.


Our stack: Java, Spring, Spring boot, JavaScript, NodeJS, MySQL, Vertica, MongoDB, Kafka, ActiveMQ, Docker, Jenkins etc.


What you Need to Bring?

  • Over 3 years’ experience as Backend Java developer
  • Ability to work independently in a team environment.
  • Experience building large scale platforms.
  • Familiarity with RESTFull APIs

Got Something Else in Mind?

Even if what we’ve got to offer right now isn’t totally aligned with what you have in mind, we’re always on the lookout for fabulous people to join our team.

So, go ahead and send us your CV – you never know what might come up!

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