Developer Support Engineer (C/Linux/Networking)

ENEA; Clichy; On-site; EUR 55,000 - 75,000; Full time

Job summary

ENEA is seeking a Developer Support Engineer to enable customers to leverage Enea software. You will troubleshoot, analyze code, and collaborate with R&D on custom developments, ensuring optimal performance in customer environments.

The role emphasizes hands-on SDK work, collaboration with TAMs, and strong problem-solving in a fast-paced support context for networking and security solutions.

Qualifications

• Bachelor's degree in CS/IS or related field with networking or systems programming specialization.
• Up to 3 years of experience in software development, technical support engineering, and customer-facing roles.
• Strong proficiency in C programming on x86/Linux platforms.
• Basic understanding of multi-threaded application development and concurrent programming techniques.
• Working knowledge of Linux development tools (compilers, debuggers, build systems).
• Familiarity with debugging and profiling tools to identify performance bottlenecks.

Responsibilities

• Manage customer support cases from initiation to resolution with SLA compliance.
• Analyze and troubleshoot complex software issues, reproduce problems, and develop test scenarios.
• Develop code fixes and custom integrations to resolve customer issues.
• Collaborate with R&D, Sustaining Engineering, and Custom Project teams to deliver timely solutions.
• Conduct technical follow-ups with customers to confirm resolution and satisfaction.
• Prepare root cause analyses and escalation reviews; suggest process improvements.
• Assist Project Managers in resolving technical issues during project execution.
• Support Pre-sales engineers during product evaluation and accelerate resolution of issues.

Skills

C programming

Linux

Multithreading

Python

Bash

Networking basics

Debugging

Education

Bachelor's degree in Computer Science or related field

Job description

Working as Developer Support Engineer in the Support team:

You bring proven experience working in Customer Operations and/or R&D environments, with the ability to design, develop, and support network-related software. Your focus is on ensuring optimal performance, efficient system resource utilization, and maintaining Carrier-Grade stability to deliver world-class support and outstanding service quality.

Position summary:

As a Developer Support Engineer, you will play a key role in enabling customers to fully leverage Enea’s software solutions. You’ll troubleshoot complex technical issues, analyze and write code, and collaborate with R&D and Project teams on custom development initiatives, delivering advanced technical solutions. This role combines deep technical expertise with customer-facing collaboration.

Because our solutions are delivered as an SDK, you’ll work hands-on with customer engineering teams to ensure seamless integration and optimal performance in their environments.

You may occasionally collaborate with the Technical Account Manager (TAM) to showcase the value and technical capabilities of Enea’s solutions during new opportunities.

Success in this role requires strong software development and analytical problem-solving skills, combined with the ability to rapidly learn and adapt to diverse customer environments, tools, and technologies.

Main Duties:

The following main duties outline the core responsibilities of the Developer Support Engineer, focusing on technical problem-solving, code analysis, and collaboration with internal teams to resolve customer issues.

Maintenance Phase

• Manage customer support cases from initiation to resolution, ensuring SLA compliance.

• Analyze and troubleshoot complex software issues, including reproducing problems and developing test scenarios.

• Develop code fixes and custom integrations whenrequiredto resolve customer issues.

• Collaborate with R&D, Sustaining Engineering, and Custom Project teams to deliver timely, high-quality solutions.

• Conduct technical follow-up with customers to confirm resolution and satisfaction.

• Prepare detailed reports such as root cause analyses and escalation reviews and recommend process improvements.

• Contribute and suggest areas of improvement for tools, processes, and other related topics.

Project Phase

• Assist Project Managers in resolving technical issues quickly during project execution.

• Interface with Project Managers, and Customers.

Pre-Sales Phase

• Assist the Pre-sales Engineer to accelerate the resolution of technical issues.

• Support the Pre-sales Engineer during product evaluation.

• Interface with Pre-Sales, Account Manager, and Customers.

Profile Prerequisites

Education & Experience:

• Bachelor's degree (or higher) in Computer Science, Information Systems, or a related field, with a specialization in networking or systems programming.

• Up to 3 years of experience in software development, technical support engineering, and customer-facing engineering roles.

• Technical Skills: Strong proficiency in C programming on x86/Linux platforms is mandatory.

• Basic understanding of multi-threaded application development and concurrent programming techniques.

• Proactive and problem-solving skills, with a willingness to learn and develop technical expertise.

• Working knowledge of Linux development tools (compilers, debuggers, build systems).

• Familiarity with debugging and profiling tools to identify and resolve performance bottlenecks.

• Basic understanding of IP networking protocols and network stack behavior.

• Experience with scripting languages such as Python, Bash, or similar for automation and troubleshooting is a plus.

• Ability to learn new technologies quickly and work effectively in a customer-facing environment.

Language & Communication:

• Fluent in English, both written and spoken.

Soft Skills

• Strong interpersonal and communication skills, with the ability to collaborate effectively with both Enea team members and customer stakeholders.

• Curious and adaptable mindset with a strong desire to learn and explore new technologies.

• Customer-focused approach, with the ability to understand and prioritize customer requirements in complex technical contexts.

• Capable of managing multiple tasks and priorities simultaneously in a dynamic environment.

Why Join Us?

At Enea, you'll be part of an innovative team, working on cutting-edge technologies that help shape the future of networking and security. We foster a collaborative environment where every team member has a voice and an opportunity to grow. If you are passionate about delivering excellent technical support and solving complex challenges, we'd love to hear from you!

Enea Embedded Security - Deep Packet Inspection Software

Enea Qosmos technology is the de facto industry standard for embedded Deep Packet Inspection (DPI) and Traffic Intelligence in cybersecurity and networking.

Our embedded deep packet inspection and traffic intelligence software products’ classify traffic in real-time and provide granular information about network activities, boosting solution performance from the inside. Available as a next-generation DPI (NG DPI) and classification engine SDK or a standalone high throughput network sensor, they support an extensive range of protocols and applications and deliver detailed network traffic visibility, application awareness, and essential insights into encrypted traffic to cybersecurity and networking solutions such as SSE, SASE, SD-WAN, ZTNA, NGFW, and NDR/XDR.

Enea also offers IDS-based threat detection capabilities as an SDK, enabling easy and tight integration with cybersecurity solutions while remaining highly flexible and scalable.

About Enea:

Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world's communication safer and more efficient. Through continuous innovation, Enea's solutions help secure, optimize, and monetize communication services. The company serves over 300 customers in more than 100 countries, including telecom operators, communication platform providers, cybersecurity vendors, and government organizations. Every day, more than 3 billion people rely on Enea software for seamless connectivity between people, businesses, and connected devices. Enea is headquartered in Stockholm, Sweden, and the company is listed on Nasdaq Stockholm.

To learn more, visit www.enea.com