tewobo

Job Title: Senior Developer – ServiceNow (TSM/CSM – Telecom Domain)

Role Overview:

We are seeking a highly skilled Senior ServiceNow Developer with a strong background in either Telecommunication Service Management (TSM) or Customer Service Management (CSM), with hands-on telecom domain experience. This is a technical lead role focused on developing scalable, maintainable ServiceNow applications and integrations tailored for communication service providers (CSPs).

The ideal candidate will have at least 5 years of experience in ServiceNow development, solid scripting and integration expertise, and deep understanding of ITIL processes and telecom service modeling.

⚠️ Note: We are specifically looking for candidates with practical experience in CMDB development and the TSM/CSM domain. Prior candidates with limited hands-on experience or inability to demonstrate scripting proficiency will not be considered.

Key Responsibilities:

• Lead configuration and customization of ServiceNow modules – primarily TSM (Change, Problem, Incident, Service Order Management, Technical Catalog, Inventory) or CSM in telecom use cases
• Work closely with architects and business analysts to implement solutions aligned with CSDM, telecom data models, and TM Forum frameworks
• Develop REST/SOAP-based integrations with external OSS/BSS platforms, network management systems, and other IT tools
• Write clean, efficient JavaScript-based scripts (Business Rules, Script Includes, UI Policies, Client Scripts, etc.)
• Build and manage Service Portals, Catalog Items, and associated workflows using Flow Designer and IntegrationHub
• Design and implement CMDB structures relevant to telecom resources (CFS/RFS layers) and manage relationships via CI classes
• Implement automated testing (ATF) and follow CI/CD best practices using update sets and DevOps tools
• Troubleshoot complex production issues across TSM/CSM workflows and propose platform optimizations
• Mentor junior developers and contribute to platform documentation, review processes, and governance best practices

Required Skills & Experience:

• 5+ years of ServiceNow development experience, with a minimum of:
• 2+ years in ServiceNow TSM (preferred)
• Or CSM module experience with telecom domain projects
• Deep expertise in ServiceNow APIs, custom scripting, and REST/SOAP integrations
• Strong understanding of telecom service modeling (CFS/RFS/resource mapping)
• Hands-on experience with:
• CMDB and CSDM modeling for telecom services
• Incident, Change, Problem, Case Management workflows
• Service Portals, Business Rules, Client Scripts, UI Policies
• Experience implementing Service Order Management, Service Inventory, and Technical Catalog in telecom
• Familiarity with TM Forum APIs and standards (eTOM, SID, TMF620, TMF641)
• Knowledge of ITIL processes and best practices for support and service delivery

Preferred Qualifications:

• ServiceNow Certifications:
• Certified System Administrator (CSA)
• Certified Application Developer (CAD)
• Certified Implementation Specialist – TSM or CSM
• Prior experience with OSS/BSS systems like Amdocs, Netcracker, Ericsson, or Nokia
• Exposure to 5G, SDN/NFV, network slicing, or cloud-native network architectures
• Experience with Automated Test Framework (ATF), Scoped Apps, and UI Builder

⚠️ Important Candidate Evaluation Notes:

• Candidates must demonstrate hands-on experience in:
• TSM or CSM in a telecom setting
• CMDB development and customization
• Scripting and API development (evaluated during technical screening)
• Candidates unable to clearly articulate their work in TSM/CSM modules or complete basic script evaluations will not move forward