PS Core Specialist

Technology, Data & Digital · Software & Web Development · Software Engineering · Network Administration

In short

The PS Core Specialist will convert approved designs into executable implementation packages for Core Network solutions, ensuring safe integration, migration, upgrade, and deployment in a live production environment. This role requires strong expertise in PS Core, CS Core, and IMS, along with hands-on experience in various network elements and technologies like OpenStack and scripting languages.

Responsibilities

Analyze approved designs and prepare detailed implementation plans.
Develop and validate configuration scripts, MOPs, test plans, and rollback procedures.
Execute software upgrades, migrations, feature activations, node expansions, and integrations.
Perform pre-checks, health checks, post-checks, and technical validations.
Conduct integration, interoperability, and acceptance testing.
Troubleshoot signaling, configuration, and service issues across Core domains.
Support CAB reviews, implementation windows, and change execution activities.
Prepare as-built documentation and operational handover packages.
Contribute to automation and standardization of implementation activities.

Requirements

5+ years’ experience in telecom Core Network integration or deployment.
Strong expertise in PS Core and good expertise in CS Core & IMS.
Hands-on experience on MME, EPG, PCC/PCG, SAPC, SMF/UPF, NEF, ESOA, iDNS.
Experience preparing MOPs, scripts, rollback plans, and change documentation.
Experience with software upgrades, migrations, integrations, and live-network implementations.
Experience with OpenStack, VMware, containers, or Kubernetes.
Scripting knowledge (Python, Shell, Perl, etc.).
Exposure to automated deployment and testing environments.

Benefits

Outstanding opportunity to use your skills and imagination.
Chance to build solutions never seen before.
Be challenged but not alone, join a team of diverse innovators.
Contribute to crafting what comes next.
Encouraging a diverse and inclusive organization is core to our values.
Champion diversity and inclusion in everything we do.
Collaborate with people with different experiences to drive innovation.
Encourage people from all backgrounds to apply and realize their full potential.
Ericsson is proud to be an Equal Opportunity Employer.

Skills

PS CoreCS CoreIMSMMEEPGPCCPCGSAPCSMFUPFNEFESOAiDNSOpenStackVMwareKubernetesPythonShell scriptingPerl

#Core Network#Telecommunications#AI

About Ericsson

Pioneering technology for connecting billions of people worldwide

Our purpose \nTo create connections that make the unimaginable possible.\n\nOur vision\nA world where limitless connectivity improves lives, redefines business and pioneers a sustainable future.\n\nOur values\nPerseverance, professionalism, respect and integrity.\n\nThe future is a place for purpose & vision – ours are clear, and we invite partners, customers and consumers to join us in our journey. \n\nFor a brighter future. For all. Let's #ImaginePossible

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