You have a proven ability to work in Customer Operations and R&D departments, to recognize and extract essential information from all traffic types, to ensure optimum performance levels whatever the protocol analyzed and to ensure Carrier Grade stability levels.

Project Engineer
Number of positions
Job type
Full time


Please forward your resume with covering letter to

Region: France
Division: Customer Operations / Project Engineering Team Office
Office Location: Paris
Position: Project Engineer
Required Starting Date: Immediately
Contract: Permanent


Working at Qosmos in the Project Management Team

You have a proven ability to work in  Customer Operations and R&D departments, to recognize and extract essential information from all traffic types, to ensure optimum performance levels whatever the protocol analyzed and to ensure Carrier Grade stability levels.


Position Summary

The Project Engineer collects customer requirements driving the development of Qosmos products, assists the customer in integrating Qosmos products into its solutions and supports this integration throughout the customer project lifecycle.

The Project Engineer may occasionally be required to work on the customer’s premises to assist with product integration, the resolution of support issues, and the delivery of new versions of Qosmos products.


Main Responsibilities

Participate in customer’s projects using Qosmos DPI/IP Classification technology in heterogeneous environments (hardware as well as software):

Customer relationship management:

  • Be the Qosmos technical contact for customers, with support from the R&D architects, development and test experts.
  • Collect customer requirements and write specifications (new feature requests) with the full support of Qosmos R&D and ensure the successful delivery of our products.
  • Follow-up on customer issues:
    • Collect relevant information to help the support team
    • Start analysis/reproduction and propose workaround or a patch
    • Validate the fix and manage the hotfix delivery
    • Create Qosmos support tracking tickets and link them to the customer tracking tool when required
  • Represent the excellence and partnership spirit of our company.


Assist the customer during the product integration phase:

  • Guide our customer during the integration phase by recommending implementation choices.
  • Develop sample application code to respond to customer needs.
  • Propose product optimizations to be integrated in existing Qosmos products (following a customer request, R&D request, or as an individual initiative).


Q&A and Performance Monitoring/Optimization:

  • Ensure that the integration of our technology meets customer requirements in terms of quality and performance.
    • Run performance tests in customer environment
    • Follow performance trends and optimization
    • Profile our software to isolate bottlenecks in the customer architecture and report results to : Customer, Product Management and R&D
  • Develop, test and validate automated test applications to follow/improve our software quality.
  • Benchmarking:
    • Knowledge of software profiling usages
    • Ability to identify bottleneck code and propose corrections
    • Ability to clearly report issues and benchmarking results for both support and management teams


Potentially develop new features for Qosmos products while on the customer’s premises when necessary for confidentiality, restricted access to the validation environment or timeline reasons:

  • Protocol reverse engineering and plugin development.
  • ixEngine framework enhancements.
  • Analyze parameter and code software components within the scope of standards and procedures, and according to the evolution guidelines set out for existing components.
  • Ensure that technical goals and deadlines are met.


Follow the resolution of customer issues and monitor KPI:

  • Participate in elaborating test plans.
  • Create test sets.
  • Carry out tests.
  • Identify and fix bugs.


Report on a regular basis to management on project progress, identified risks and associated solutions or workarounds.
Capability to work on several projects in parallel.
Capability to drive customer requirements based on the Qosmos portfolio and strategy.


Desired Skills and Experience


  • Master’s degree in Computer Science with a specialization in Information Systems / Networks
  • Minimum of 2 years’ experience in software development over Linux
  • Fluent English
  • Knowledge of Linux system/kernel
  • Knowledge in Multi-Threading development
  • Development knowledge on Intel CPU architecture and possibly on other Multi Core CPU architectures (Cavium, NetLogic, Tilera, etc.)
  • Debugging techniques
  • In-depth knowledge of network architectures


Additional Skills:

  • Good interpersonal skills to interact with customers’ team members
  • Knowledge of algorithms
  • Customer-oriented
  • Knowledge of load balancing
  • Knowledge of telco architecture standards (HA, redundancy, alarms, etc.)
  • Availability for travel and to spend short periods on customer site – up to 15% of time
  • Experience of test automation


Key Facts About Qosmos, the DPI Business Unit of Enea

  • Only supplier focusing 100% on OEM IP Classification and DPI technology
  • Dominant supplier with 75% market share
  • Leading standardization of DPI & Network Intelligence in SDN and NFV networks
  • More than 100 customers worldwide (3x nearest competitor)
  • Double-digit revenue growth each year
  • A division of Enea
  • Main office in Paris, 70+ employees, regional offices in Silicon Valley and Singapore