Cellwize is an international fast-growing, energetic young company led by an experienced management team. We are excited about the ground-breaking work we are doing and the value we bring to our customers. We know that a talented workforce is a key to success, and we seek highly-motivated and talented professionals to join our team.

  • If working in a diverse and multicultural environment that welcomes intellectuality, promotes creativity and breeds innovation – excites you
  • If you are an exceptional RF professional with valid experience in radio access networks and love it
  • If seeing the “guts” of a cellular network, understanding its limitations and imperfections along with first-hand knowledge of the growing demands on operators – keeps you awake at night

 


 

Then join our team!

In Cellwize we promise to challenge everything that you believe about cellular network performance to leverage your value!

Be a part of a team that thrives under the challenge of developing core network software platforms that merge with operator cellular systems worldwide. Utilize your experience in state-of-the-art coding, software algorithms, automation testing in agile working methodologies. Take part in the opportunity to apply your telecom professional experience and discover the infinite limitations of SON technology.

We are currently looking to fill the roles below, send us your CV.

 



ZTE EXPERT

We are looking for a talented, motivated and experienced individual who has proven experience in cellular mobile carrier networks automation and who can efficiently integrate into a team of Radio Access Network experts.

What your day will look like: 

  • Analyzing system outputs such as CM and PM data and provide technical description of the contents (especially for Samsung)
  • Provides design document for the product team and programmers using defined templates under product team supervision
  • Providing list of necessary counters and KPI formulas, required for analyzing network performance,
  • Help on selecting counters and KPI formulas for the use of SON features as part of adjusting CW SON platform to Samsung environment
  • Define the interfaces for CM and PM collection
  • Define the provisioning methodology, provisioning plan syntax and interfaces for SON platform in Samsung environment
  • RF expert consulting offsite and onsite for trials and deployments

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
  • An open mind for ideas and methodologies
  • High pace, result oriented environment and many challenges to solve

INTEGRATION / PRODUCTION ENGINEER   

Cellwize is seeking a Linux system administrator for maintaining a SON system operation.

This position is responsible for installation, configuration, maintenance and monitoring of all production systems. The systems administrator will support daily operations and help develop strategies to improve availability and utilization of Linux environments he/she will also work closely with developers in supporting new features and services, software releases and troubleshoot problems. The Integrator will monitor servers for stability and health, analyze results and take both proactive and reactive measures to correct and prevent issues

Requirements: 

  • At least 3 years of experience and in-depth knowledge of Linux (RHEL/CentOS preferred)
  • Experience in one of scripting languages like: Ruby or Python, Perl or Bash
  • Experience with managing, maintaining and troubleshooting applicative aspects of production server systems
  • Experience with running web servers in a Production environment
  • Experience with advanced configuration of monitoring systems
  • Experience with network troubleshooting, server hardening, performance tuning, HA Clusters
  • Experience with virtualization platforms (VMware VSphere preferred)
  • Experience with revision control systems (git)
  • Networking
  • Excellent interpersonal and communication skills; capable of writing justifications, training users in complex topics, writing status reports, documenting procedures, and interacting positively with other staff and management. Ability to work independently under limited direction. Strong team and collaborative skills are needed as well.
  • Able to accurately provide schedule estimates and meet expectations for work commitments

 


JAVA DEVELOPER 

Are you a server side java guru who reads O’Reilly books on vacation? Do you consider yourself a Ninja who prefers reading thread dumps over emails? Can you play nice with both humans and machines? If you answered YES to all of the above, then you are PERFECT for the Cellwize Infrastructure Team!

We’re looking for a talented developer to join our infrastructure team. As part of the team you will help push Cellwize’s products to the next level. We design and implement the next generation architecture of our platform, on-board new technologies, and build the tools to help our other teams to test, deploy and monitor our platform in production.

You Need to Bring:

  • 3+ years of software development in Java, working in Agile teams
  • Experience building large scale Java-based applications
  • Experience working with common Java frameworks (Spring, Hibernate, Ehcache and Spark
  • Deep knowledge of OO development and design patterns
  • Solid foundation in algorithms, data structures and OO design
  • Experience working with big data applications, good hands-on experience with SQL
  • A passion for problem solving and a can-do attitude
  • Ability to strive in a demanding and high paced working environment

It’s Great if You Also Bring…:

  • Experience working with Vertica or other column oriented databases
  • Experience with MongoDB
  • Experience with Node.js, Elasticsearch, Python

Cellwize offers:

  • A product that is the most advanced optimization solution for cellular networks  and needs additional talented minds to continue to shape its evolution. We also do network analytics with our CrowdSource solution
  • High-paced, results-oriented work environment with many challenging opportunities for creative and intelligent problem-solving
  • An amazing team of individuals collaborating to change the way mobile connectivity is handled

EXPERT RF OPTIMIZATION ENGINEERS 

Are you service oriented, do you have strong verbal communication skills, work well in a multi-cultural orientation, are you accurate, thorough organized and self-disciplined – if yes, then we want you!

You Need to Bring:

  • 4-8 years of relevant wireless experience, including LTE, UMTS and GSM
  • Deep understanding in RAN (specifically structure, interfaces, performance, monitoring, development and tests)
  • Experience creating drive routes, drive testing, post-processing and analyzing networking performance and results (KPI’s)
  • Experience with optimization and multi-band tuning with multi-technologies on multi-vendors equipment: Huawei, Ericsson and Nokia (additional vendors an advantage)
  • Extensive experience proposing post-launch optimization changes and tracking improvements towards target KPIs
  • Strong working knowledge of systems/tools: OSS (multivendors’), Mapping-info tools, Windows – must, Linux – advantage, Excell, My SQL

You should have: 

  • A passion to learn and to get to the bottom of things, resolving complex issues with faster turnaround times
  • Team player DNA.
  • Ability to work independently in a team environment with minimal supervision, take initiative, set priorities, follow through and see tasks through to completion.
  • Knowledge of using SQL practices with RDBMS and Column Oriented DBs.
  • Experience in an agile and collaborative environment
  • Excellent analytical, problem solving and debugging skills
  • Effective and excellent verbal, written, and interpersonal communication skills.

JUNIOR DEVELOPER / CO 

Cellwize is extending its customer oriented development team and looking for talented developers to join. Our customer oriented team act as the 1st line development team handling Customer production queries and providing solution for customer across the globe.

As a Customer Oriented Developer, you will have the opportunity to deep dive into new and existing functionality, perform complex analysis and root cause research, which will further present an opportunity to influence product changes and custom solutions throughout our software platform.

You will be working with a team of energized and driven Customer Oriented Developers who has deep knowledge of our products and clients, handling cutting edge technologies for a real-time platform which is transforming the way cellular network operate.

What your day will look like: 

  • Root cause analysis for optimization algorithms recommendations and platform issues. Provide short term and long term solutions for production use of the platform.
  • Lead the investigation and resolution of platform issues, interacting with multiple R&D and Product management teams.
  • Analyze complex customer reported issues, that require strong analytical and technical skills, in order determine the cause of the problem and then collaborates with others to resolve the issue in a timely manner.
  • Resolve issues that require producing enterprise-ready patches or hotfixes.
  • Validate resolution of issues by any appropriate means (e.g. replication of problem reported and solution), and analyzes solution for accuracy and completeness.
  • Trusted point of contact for technical customer feedback to product management, engineering and sales.

You should have: 

  • A passion to learn and to get to the bottom of things, resolving complex issues with faster turnaround times
  • Team player DNA.
  • B.S. in Computer Science or Professional experience of 2-3 Years in Development / Production support / Configuration management.
  • Java development background – familiarity with common frameworks such as Spring, Maven, Hibernate, Vaadin is a plus.
  • Ability to work independently in a team environment with minimal supervision, take initiative, set priorities, follow through and see tasks through to completion.
  • 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)
  • Experience in an agile and collaborative development environment
  • Excellent analytical, problem solving and debugging skills
  • Effective and excellent verbal, written, and interpersonal communication skills.

QUALITY ASSURANCE ENGINEER

Cellwize is extending its R&D team and looking for talented people to join our journey for transforming digital connectivity. Our Quality assurance engineers are working as part of a feature teams focused on delivering production ready valuable capabilities to our customers. 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.

What your day will look like: 

As the quality assurance owner at your feature team you will responsible for:

  • Designing efficient methods for ensuring quality for data based recommendations algorithms that organize networks in real time.
  • Executing the end to end verification process, working with product owners, system engineers and developers in your team.
  • Analyze issues and define methods for reproducing and fixing in short cycle.
  • Validate efficient resolution of issues by any appropriate means, and analyzes solution for accuracy and completeness.
  • Working as part of a quality community, building the next generation quality processes and tools.

You will be working as part of a team of energized and passionate engineers, using cutting edge technologies for building sophisticated real-time platform which is transforming the way cellular network operate.

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.

 

 

 


PLATFORM DEVELOPER

Are you a server-side java guru who reads O’Reilly books on vacations? Are you able to dive in to the most complex code and swim like a shark? Do you consider yourself a Ninja who prefers reading thread dumps over emails? Can you play nice with both humans and machines?

If you answered YES to all of the above, then you are PERFECT for the Cellwize Team!

We have: 

  • High-paced, results-oriented work environment with many challenging opportunities for creative and intelligent problem-solving
  • The most advance optimization platform for cellular network deployed at Operators all over the world.
  • An amazing team of individuals collaborating to Automate and Optimize Cellular Networks.
  • Early stage platform which needs additional talented minds to continue to shape its evolution
  • An open mind for innovation, ideas and methodologies.

What your day will look like:

As the Platform Developer at on of Cellwize feature teams you will responsible for

  • Design and Plan the development of new optimization modules and SON features that will be deployed in live networks within months
  • Work closely with Product managers and RF experts to define software solution for network optimization
  • Build data driven modules that implement recommendations algorithms that organize networks in real time and implement 1,000,000’s of actions over the network daily
  • Work as part of a team of energized and passionate engineers, using cutting edge technologies for building sophisticated real-time platform which is transforming the way cellular network operate
  • Investigate scale and performance issues and define method to innovative and drive the platform forward.

You have:

  • A passion for learning, for technology, for solving complex problems and a can-do attitude
  • Ability to work independently in a team environment with minimal supervision, take initiative, set priorities, follow through and see tasks through to completion.
  • Experience building large scale platforms, including both server side and client-side technologies.
  • Java development experience with wide range of technologies – Spring, Hibernate, Ehcache, Spark, and Java batch processing, as well as strong DB related skills with MySQL, Vertica, Influx DB and MongoDB.
  • Deep knowledge of OO development and design patterns
  • Solid foundation in algorithms, data structures and OO design
  • Experience working with big data applications using advance SQL capabilities

It’s Great if You Also Bring…

  • Experience building optimization and analytics modules using statistical modules and Machine learning
  • Knowledge of Radio access networks, RF technology and OSS platforms

 

DEVOPS ENGINEER

Looking for an experienced devops engineer to join our team. As an engineer on our team you will focus on building tools to support

our end-to-end deployment cycle – from development to production. Our goal is to continuously improve our CI pipeline, automate our production environments,

and find better ways to monitor and understand our service status.

Our requirements:

  • Strong background in Linux/Unix Administration
  • Hands on experience with Jenkins.
  • Experience with Docker –  production experience is an advantage.
  • Experience with automation/configuration management using either Ansible, Puppet, Chef or an equivalent
  • MySQL know-how  (NoSQL experience is a plus, specifically with MongoDB)
  • A working experience with code and script (Bash, Python). Java experience is an advantage.
  • Ability to use a wide variety of open source technologies and cloud services.

Hands-on experience with AWS

 

 


Submit Your CV