Join our March Towards 5G and Beyond

Cohere’s innovative and breakthrough software technology improve 4G and 5G networks which helps enable reliable mobile services for everyone. Cohere’s mission is to transform wireless communications with software.

For job related inquiries, please direct your questions to
[email protected]

Principal Field Systems Engineer

Opened: July 2024
Target Hire Date: immediate
Salary range: 170K to 200K based on experience.


Job Description:

The FSE will support all field and lab trials for all mobile operators and partner engagements for Cohere Technologies, Inc. This position requires expert knowledge of cellular networks and a minimum of 10 years of experience working with mobile operators in their lab and field trial environments. Working experience with 4G and 5G cellular and/or private networks. The person will propose product features and enhancement, based on experience as well as customer and partner feedback – to Cohere engineering and executive teams. This position requires prior experience with customer facing presentations of products, Lab and field test results. Prior experience with Telco Cloud and Open RAN a big plus. This position will combine development, testing, solution, and task management skills to work with the customer and various levels of Cohere’s engineering and corporate SE team to deliver on Cohere’s customer and partner commitments. This position will report to the VP of Field Systems Engineering.

Job Responsibilities:

  • Manage testing in both lab and field for all customers and partners in the Americas and potentially internationally, with support from HQ (located in San Jose, CA).
  • Engage customer in technical meetings to present Cohere’s solutions, debate their efficacy, and incorporate customer feedback into resolution process.
  • Assist in resolving issues and explaining to customer; work with corporate SE and engineering team to solve cases.
  • Execute predefined test plans and document results on 4G and 5G systems.
  • Perform configuration of the RAN/network to simulate and test various environments.
  • Perform LTE/5G/OTFS static and mobility testing in the customer lab and OTA.
  • Install and validate new product software releases in the lab and OTA environment.
  • Build and manage the physical installation to implement various test scenarios.
  • Contribute to system integration, diagnosis, and validation of Cohere software.

Qualifications and Skills:

  • Minimum qualification is BS in Electrical Engineering.
  • 10+ years of telecommunications product development and support.
  • Experience with Hyperscale Cloud Partners and Open RAN standards a big plus.
  • Must have demonstrable lab and field expertise with L1, L2, L3.
  • Presentation, negotiation, and persuasion skills to customers, and partners.
  • Create and execute on lab and field test plans.
  • Deep understanding of wireless radio technology principles.
  • Experience with RAN technologies.
  • Experience with system testing and integration of wireless communication products in a lab and outdoors.
  • Experience with radio infrastructure design is a plus.
  • Experience with radio debugging and drive test tools is mandatory including lab equipment such as signal analyzer, signal generator, spectrum analyzer, etc.
  • Experience with configuring EPC/5GC and troubleshooting end-to-end call flow is a plus.
  • Experience with technologies like eCPRI, 1588/PTP timing, Massive MIMO, link budgets.
  • Experience with UE simulation and channel emulation test tools is preferable.
  • Experience with Shell scripting.
  • Excellent written and verbal English.
  • Must be able to travel domestically and internationally.

Software Quality Assurance Technical Lead Engineer
(Job Code: SQA-PCO)

Location: San Jose, CA

Job Duties: Develop and execute test plans as per product requirements and test strategy documents. Perform white box testing and develop and maintain test automation scripts and frameworks. Create an end-to-end system that emulates the real network. Connect debugging and monitoring tools such as Wireshark for packet captures, spectrum analyzer for analyzing the RF signals, VR5 for generating channels, Calnex box for introducing delays if needed as part of the testing, and Butler matrix usage to simulate channels in a cabled environment. Configure and bring up the end-to-end system for integration testing. Run test cases to cover all functionalities that have been developed as per requirements. Run test cases to eliminate any broken functionality. Log information for all the failing scenarios. Discuss issues, scenarios, and steps to reproduce the issue and potential breaking point for the system. Update Jira tool by logging all issues and discussions. Re-test and verify issues once the fix has been provided by development teams. Work with partner companies on verifying and validating the third-party software stack. Work with customer support teams and provide the needed information related to the deployment of the software.

Education and Experience: Requires Bachelor’s degree or foreign equivalent in Electrical Engineering, Electronics Engineering, Computer Engineering, or related field followed by 5 years of progressive related experience.

Salary Range: $226,325 – $235,000/year

E-mail resume to [email protected]. Must reference job title and job code SQA-PCO in the subject line.