SDM Core Engineer
Employment Type: Full-time
Job Location: Asia
Department: Technology / Telecom Engineering
Number of Vacancies: 1
Level: Senior / Expert
Hiring Model: Staff Augmentation / Client Placement
Client: Reputed Telco-Based Organization in the Asia Region
Travel Requirement: Regional travel as required
Experience Required: 7+ Years in Telecom SDM / Core Network Engineering

Job Context

MIAKI is an organization with skilled resources that are relentlessly working to make a difference in the spectrum of Tech & Digital Services. As a Multi-Country Service Provider, we specialize in customized software solutions, digital transformation, managed services, and skilled technology resources across local and international markets.

We are hiring an experienced SDM Core Engineer for placement with one of our reputed Telco-based clients in the Asia region .

This is a hands-on technical engineering role , focused on the deployment, configuration, integration, commissioning, testing, migration, troubleshooting, and operational support of Subscriber Data Management (SDM) solutions .

The adecuado candidate should have practical experience with SDM products and subscriber data platforms such as HLR, HSS, UDM, AUSF, One-NDS, and SDL , together with integration across IMS, VoLTE, Packet Core, and 5G Core environments.

This is not a managerial or service delivery management position. The role requires strong hands‑on technical expertise in SDM deployment, integration, testing, migration, and troubleshooting.

Role & Responsibilities

SDM Deployment & Configuration

Perform hands‑on installation,



deployment, configuration, and commissioning of SDM/Core Network products.

Deploy and configure subscriber data platforms and repository components such as Nokia One‑NDS and SDL .

Work with HLR, HSS, UDM, AUSF, EIR , and related subscriber data elements.

Execute deployment activities across bare‑metal, virtualized, and cloud‑native environments.

Prepare and execute Methods of Procedure (MOP) .

Perform pre‑checks, deployment, post‑checks, service validation, and commissioning.

Support production deployment and post‑deployment stabilization.

SDM & Core Network Integration

Perform hands‑on integration of SDM platforms with the mobile Core Network.

Integrate subscriber data platforms with IMS, VoLTE, Packet Core, and 5G Core .

Configure and troubleshoot interfaces using Diameter, SIP, and LDAP .

Validate connectivity, signalling, subscriber data flows, and end‑to‑end functionality.

Troubleshoot integration issues between SDM and Core Network elements.

Coordinate technically with Core Network, IP, transport, cloud, OSS/BSS, and vendor teams.

Subscriber Data Migration

Execute subscriber data migration from legacy platforms to modern SDM architectures.

Perform migration preparation,



execution, validation, and reconciliation.

Prepare and execute migration MOPs and rollback procedures.

Support subscriber profile migration and synchronization.

Validate migrated data and troubleshoot migration failures.

Perform post‑migration service validation and customer acceptance activities.

Testing & Acceptance

Prepare and execute Acceptance Test Procedures (ATP) .

Perform functional, integration, regression, migration, and end‑to‑end testing.

Validate SDM functionality and Core Network integration.

Troubleshoot defects identified during testing and deployment.

Maintain test results, evidence, logs, and technical findings.

Support customer acceptance and technical sign‑off.

Cloud, Virtualization & Infrastructure

Deploy and support SDM/Core Network functions in bare‑metal, virtualized, and cloud‑native environments.

Work with VNF/CNF deployments.

Hands‑on exposure to OpenStack, Kubernetes, and VMware .

Support deployment, configuration, scaling, networking, connectivity, and troubleshooting.

Work with infrastructure/cloud teams to resolve platform‑related issues.

Troubleshooting & Technical Support

Troubleshoot SDM, subscriber database, signalling, integration, deployment, and configuration issues.

Analyze logs, alarms, traces, configurations, and system behaviour.

Perform technical root‑cause analysis and corrective actions.

Support critical deployment, migration, integration, and production incidents.

Coordinate with Nokia/vendor TAC, engineering,

📌 SDM Core Engineer (Colombia)
🏢 Miaki Myanmar
📍 Colombia