Unix administrator Work, Jobs in Abingdon, Oxf (with Salaries)

Validating 4G LTE EPC and 5G Core network functions
Ensuring end-to-end functionality, performance, interoperability, and reliability of packet core solutions
Designing and executing test cases, analyzing network protocols, troubleshooting issues
Collaborating with development, system integration, and operations teams.

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Required Qualifications and Experience

Bachelor's degree in Electronics & Communication Engineering, Telecommunications, Computer Science, Information Technology, or a related field.
3–8 years of experience in Telecom Testing with a focus on Data Core networks.
Strong understanding of LTE EPC and 5G Core architecture.

Preferred Technical Skills

Traffic generation tools such as Spirent, Jmeter.
Test automation using Python, Robot Framework, PyTest, or Shell scripting.
Linux/Unix administration, SQL and basic database knowledge.
Docker and Kubernetes, OpenShift or VMware virtualization platforms.
CI/CD tools such as Jenkins, GitLab CI, or GitHub Actions.
API testing using Postman or REST clients.
Familiarity with Prometheus, Grafana, and ELK for monitoring and log analysis, virtualization and cloud-native telecom environments.
Strong understanding of LTE EPC and 5G Core architecture.
Good understanding of mobility procedures, bearer management, QoS, roaming, and subscriber lifecycle management.

Desired Knowledge

3GPP specifications for LTE and 5G Core, Network slicing, Service-Based Architecture (SBA).
VoLTE and VoNR call flows, Charging functions (OCS/CHF), Policy control (PCRF/PCF).
Security and authentication procedures (AKA, EAP-AKA'). Roaming and interworking scenarios. High Availability (HA) and Disaster Recovery (DR) testing.

Preferred Certifications

5G Core or LTE Certification.
ISTQB Foundation Level.
Red Hat Certified System Administrator (RHCSA).
Kubernetes Certified Application Developer (CKAD) or Certified Kubernetes Administrator (CKA) (preferred).
AWS, Azure, or Google Cloud certifications (preferred).

If you're excited about this role but don’t meet every requirement, we still encourage you to apply, your unique experience could be just what we need.

Make it real - what does it mean for you?

Open access to digital learning platforms

Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government’s Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who:

Declare they have a disability, and
Meet the minimum essential criteria for the role.

Capgemini. Make it real.

Need to know

All roles will require a level of security clearance; BPSS OR Security ClearanceOR Developed Vetting.
This role requires 3 days/week office presence based in Reading.
You can bring your whole self to work. At Capgemini building an inclusivefuture is part of everyday life and will be part of your working reality. We havebuilt a representative and welcoming environment, for everyone.

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion.

Make it real | www.capgemini.com

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