Subject Matter Expert SDM

Technoworkz Technologies; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Technoworkz Technologies is seeking an SDM System Integration Engineer to deliver subscriber data management nodes across bare metal, VNF, and CNF deployments. The role covers integration, deployment, upgrade, testing and troubleshooting of HSS, HLR, UDM/AUSF, ONE-NDS/SDL, EIR and MNP nodes and interfaces with MME/AMF, IMS/CSCF, OSS/BSS.

You will work with the global delivery team, consult directly with customers to shape the solution, perform ATPs, data migrations, and provide O&M support

Qualifications

• BE/BTech in Electronics, Telecommunications, Computer Science or equivalent.
• Strong written and spoken communication skills.
• Excellent cross-functional communication and coordination.
• Good consultation skills to drive customer-required solutions.
• Strong presentation skills for technical audiences.
• Ability to devise mobile internet and mobile broadband traffic management solutions.
• Self-starter with initiative and positive attitude.
• Willingness to travel and work across global time zones.

Responsibilities

• Perform integration, deployment, configuration and upgrade of SDM nodes HSS, HLR, UDM/AUSF, ONE-NDS/SDL, EIR and MNP on bare metal, VNF and CNF platforms.
• Integrate SDM nodes with peer elements (MME/AMF, SGSN/MSC, IMS/CSCF, DRA, OSS/BSS) and validate subscriber data and signalling flows.
• Configure provisioning interfaces (LDAP, DAP, SOAP/REST) and data models.
• Prepare and execute ATPs and drive customer sign-off.
• Plan and support HLR/HSS data migration activities and post-migration validation.
• Provide O&M support and troubleshoot software problems on SDM nodes.
• Carry out configuration audits and maintain MOPs and as-built docs.
• Act as a technical consultant to deliver customer-aligned solutions.

Skills

Telecom data management

Customer consulting

Cross-functional coordination

Troubleshooting

Scripting (bash, Perl)

Education

B.E. / B.Tech in Electronics/Telecommunications/CS

Tools

Wireshark

Linux

Telco Cloud environments

UNIX/Linux shell scripting (bash)

Perl

Job description

Role Overview

The SDM System Integration Engineer delivers subscriber data management nodes across bare metal, VNF and CNF deployments. The role covers integration, deployment, upgrade, acceptance testing and troubleshooting of HSS, HLR,

UDM/AUSF, ONE-NDS/SDL, EIR and MNP nodes, together with their provisioning and peer-node interfaces. The engineer works within the global delivery team and consults directly with the customer to shape the solution.

Key Responsibilities

• Perform integration, deployment, configuration and upgrade of SDM nodes HSS, HLR, UDM/AUSF, ONE-NDS/SDL, EIR and MNP - on bare metal, VNF and CNF platforms.
• Integrate SDM nodes with peer elements (MME/AMF, SGSN/MSC, IMS/CSCF, DRA, provisioning systems and OSS/BSS) and validate subscriber data and signalling flows.
• Configure and validate provisioning interfaces (LDAP, DAP, SOAP/REST) and supporting data-model and schema changes.
• Prepare and execute Acceptance Test Plans (ATP), record results and drive customer sign-off.
• Plan and support HLR/HSS data migration activities - data mapping, dry runs, cut-over, fallback and post-migration validation.
• Provide O&M support and troubleshoot software problems on SDM nodes through log, trace and database analysis.
• Carry out configuration audits and maintain MOPs, method statements and as-built documentation.
• Act as a technical consultant to the customer, driving solutions that meet their operational and business requirements.

Mandatory Technical Skills

• Nodes and products: working knowledge of HLR, HSS and AUSF-UDM; ONE-NDS/SDL across VNF, CNF and bare-metal deployments; EIR and MNP.
• Call flows: 5G, IMS, LTE and GSM registration, authentication and mobility call flows.
• Provisioning and data interfaces: LDAP, DAP and SOAP/REST provisioning interfaces and subscriber data models.
• Delivery lifecycle: implementation, integration, acceptance testing, upgrades, O&M and troubleshooting on telecom core products.
• Tools and platforms: Wireshark protocol analysis, Linux and Telco Cloud environments.
• Troubleshooting: ability to diagnose and resolve software problems on SDM nodes independently.
• Scripting: working knowledge of UNIX/Linux shell scripting (bash) and Perl.

Desirable — Added Advantage

• HLR / HSS migration project experience.
• Kubernetes, VNF and CNF exposure; OpenStack and OpenShift.
• UDR / UDSF and 5G converged data layer experience.
• Provisioning gateway and OSS/BSS integration experience.
• Automation scripting (Python, Ansible) for repeatable deployment and audit tasks.

Qualifications and Competencies

• B.E. / B.Tech in Electronics, Telecommunications, Computer Science or an equivalent discipline.
• Highly proficient written and spoken communication skills.
• Excellent cross-functional communication, co-ordination and negotiation skills.
• Good consultation skills, with the ability to drive solutions in line with customer requirements.
• Good presentation skills — comfortable addressing a large, predominantly technical audience.
• Ability to think outside the box in order to create mobile internet and mobile broadband traffic management solutions.
• Self-starter with initiative, enthusiasm and a positive 'can do' attitude.
• Willingness to work flexible hours across global customer time zones and to travel as per business requirements.