Support Network Engineer with Automation (Python)

Luxoft; United Kingdom; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A global technology company based in the United Kingdom seeks experienced Software Developers in Test to enhance automation frameworks. The ideal candidate will develop and debug tests primarily in Python, contributing significantly to product quality and performance. Proficiency in computer networking, alongside strong product support and troubleshooting skills, is essential. This role requires collaboration with various teams in a dynamic environment, where proactive problem solving is key.

Qualifications

• Good experience in testing/debugging issues for highly scalable systems.
• Hands-on experience in Python Development – 3 years minimum.
• Good knowledge of computer networking: L2/L3 protocols, TCP/IP.

Responsibilities

• Contribute to new test automation and framework development in Python.
• Develop and maintain the Quality Release Gate process.
• Run and debug automated integration and system tests.

Skills

Product support experience

Testing/debugging for scalable systems

Python Development (3 years minimum)

Knowledge of computer networking

Experience with Cisco IOS/NXOS

Good knowledge of GNU/Linux

Troubleshooting skills

Proactive and self-starter

Tools

Atlassian Suite

Python

Docker

VMware

Job description

Project description

About the Project: Our client is looking for Software Developers in Test with Networking and Test Automation skillset, within the Team which is currently developing new automation work for our Customer. This Team has the ownership to define the process, debug all aspects of the Products' functionality in its release cycle and work closely together with our Test and Framework Development Team to identify root causes, raise issues accordingly to feature or test developers and triage problems. This team also collaborates closely with the Customer's Developer Team on feature issues and thus reduce the number of flaws in the Product. The Customer relies on us to keep a healthy and real PASS rate of the tests in order to maintain a high performance product and demonstrable quality metrics (Quality Gate). The process needs to scale up to the agile release strategy of the Customer's products. Thus, the ideal candidate has deep knowledge of software development in testing / test automation, computer networking, as well as troubleshooting skills necessary to understand and debug efficiently the various testing scenarios (strong preference is Python, as the framework and tests are written in Python). Prior experience with distributed systems is highly desirable. Our current team: Our current Test and Framework Development Team is comprised of experienced Automation and Manual QA Engineers, working in an agile process of Product Lifecycle Management. This team provides close assistance to the Release Support Team. Tools and Technologies used: Python 2.x /3.x, Atlassian Suite, VMWare, Jenkins, Bitbucket, Git, KVM/vCenter, Linux, Docker, Ixia.

Responsibilities

• Primarily contribute to new test automation and framework development by writing complex Python scripts, tightly integrated within a state-of-the-art PTest everything-as-code infrastructure.
• Contribute to the quality strategy of the products by developing and maintaining the Quality Release Gate process.
• Run and debug automated integration and system tests in Python per release needs.
• Work closely with the engineering team to isolate and resolve defects in a timely manner.
• Work closely with our local team to debug framework and test related issues.
• Create bug reports when issues arise and track them through completion.
• Triage failures per severity and prioritize as necessary, when needed.

Skills

Must have

• Demonstrated experience in product support and/or product release support processes.
• Good experience in testing / debugging issues for highly scalable, distributed systems and data center products.
• Hands‑on experience in Python Development – 3 years minimum. Knowledge of OOP, SOLID, design patterns, DRY etc.
• Good (CCNA, CCNP level preferred) knowledge of computer networking: L2/L3 network protocols, Ethernet, TCP/IP, switching/routing algorithms, data center networks, BGP.
• Hands‑on experience with at least one of the following vendors' products for 1 year minimum: Cisco IOS/NXOS, Arista, Cumulus.
• Atlassian or equivalent suite.
• Good knowledge of GNU/Linux operating systems, shell scripting and command line tools.
• Good troubleshooting and root cause analysis skills.
• Ability to define independently priorities, objectives, and tasks. Proactive and self‑starter personality. Able to work in a startup Customer environment. Motivated and top‑performer.

Nice to have

• Previous experience with process definition.
• EVPN + VXLAN.
• Experience with RESTful APIs programming and related technologies.
• Familiar with virtualization/containerization technologies.
• Familiarity with multiple Network Operating Systems such as Cisco NXOS, Arista EOS, Cumulus Linux, OpenSwitch, SONiC.
• Previous experiences on writing tools or frameworks to facilitate product testing.
• Hands‑on: Spine‑leaf datacenter architectures, BGP (Border Gateway Protocol), OSPF (Open Shortest Path First), Automation, Juniper, Cisco Switches/Routers, Arista, Automation QA, VMware vCenter, VPN technologies (eVPN), VxLAN.