Sr Software Engineer - ServiceNow ITOM

T-Mobile•Bellevue, WA

15d

About The Position

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees! Job Overview This role is essential for designing, implementing, and deploying scalable software solutions within the ServiceNow ITOM ecosystem that support high-availability environments and drive operational maturity across T-Mobile. The position focuses on developing, enhancing, and optimizing ITOM capabilities such as Discovery, Service Mapping, CMDB integration patterns, Event Management, AIOps, and automation services—ensuring they meet business and technical requirements. It requires close collaboration with engineering and platform teams to deliver high-quality ITOM features using modern architectures including microservices, virtualization, orchestration frameworks, and data-driven decisioning. The engineer applies independent judgment to solve complex technical issues, recommends design improvements, and ensures that ITOM capabilities integrate seamlessly with enterprise infrastructure and support T-Mobile’s technology strategy. Success is measured by the ability to deliver reliable, accurate, and automated operational insights that support organizational efficiency and superior customer experience.

Requirements

Bachelor's Degree Computer Science or Engineering (Required)
4-7 years - Technical engineering experience.
Communication (Required)
Customer Service (Required)
Analytics (Required)
Technical Writing (Required)
At least 18 years of age
Legally authorized to work in the United States

Nice To Haves

Experience with ServiceNow Discovery, Service Mapping, Event Management, Agent Client Collector
Strong understanding of CSDM, CMDB modeling, dependency mapping, and data normalization
Experience developing ServiceNow integrations using APIs, MID Server architecture, scripted REST endpoints, and orchestration

Responsibilities

Design, build, and enhance ServiceNow ITOM solutions—including Discovery patterns, Service Mapping logic, automation workflows, federations/integrations, and operational dashboards—to ensure accurate, high-quality, and scalable outcomes.
Conduct unit, integration, and platform testing to validate ITOM functionality and maintain high standards of reliability.
Drive architectural improvements across the ITOM stack by applying modern engineering practices, new ServiceNow capabilities, and cloud-native pattern methodologies.
Recommend and implement enhancements that strengthen CMDB integrity, accelerate root cause analysis, and improve service health visibility.
Partner with cross-functional groups—including ITOM, CMDB, SRE, network, cloud, and application teams—to gather requirements, deliver aligned solutions, and ensure platform adoption.
Provide mentorship and documentation that elevates team capability in areas such as Discovery tuning, CMDB architecture, integration patterns, and operational automation.
Support technology strategy by evaluating and applying current technologies that align with business goals
Create clear documentation for software code, system designs, and business requirements to support knowledge sharing
Provide additional engineering support for adjacent ServiceNow modules (e.g., CMDB, CSDM, ITAM, or ITOM submodules) and contribute to enterprise automation or operational improvements as required.