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Sr Service Now Developer ITOM

Not Disclosed

Job Description & Details

The demand for skilled ServiceNow ITOM professionals has surged as enterprises strive to automate their IT operations and asset management. A senior ServiceNow Developer role offers the chance to shape critical discovery, CMDB, and automation processes while working directly with leading clients. This position is a great opportunity to leverage a decade of experience in a fast‑growing, on‑site environment.

Job Summary

We are seeking a Senior ServiceNow Developer with deep expertise in ITOM, Discovery, CMDB, ITAM, SAM, and HAM to design, develop, and implement solutions for our clients. The role requires strong scripting abilities, API development skills, and the ability to deliver on‑site from day one.

Top 3 Critical Skills Table

Skill Why it's critical Mastery Level
ServiceNow ITOM (Discovery, CMDB, ITAM) Core platform for automating IT operations and asset visibility Senior
Scripting (JavaScript, PowerShell) Enables custom workflows and integrations across modules Senior
ServiceNow API Development Allows seamless data exchange with external systems and automation tools Senior

Interview Preparation

  1. Explain how you would design a Discovery schedule for a large, multi‑site environment.
    What the interviewer is looking for: Understanding of Discovery patterns, credential management, performance tuning, and scalability.
  2. Describe a complex CMDB relationship you have modeled and the challenges you faced.
    What the interviewer is looking for: Depth of CMDB knowledge, data normalization, and impact on service mapping.
  3. How do you automate software asset reconciliation using SAM and HAM modules?
    What the interviewer is looking for: Practical experience with license tracking, reconciliation rules, and integration with procurement systems.
  4. Walk through a ServiceNow API integration you built from scratch. Which authentication method did you choose and why?
    What the interviewer is looking for: API design, security considerations (OAuth, Basic Auth), error handling, and testing.
  5. What strategies do you use to write efficient server‑side scripts for high‑volume data processing?
    What the interviewer is looking for: Proficiency in Glide scripting, performance optimization, and best practices for avoiding script timeouts.

Resume Optimization

  • ServiceNow
  • ITOM
  • Discovery
  • CMDB
  • ITAM
  • SAM
  • HAM
  • Scripting (JavaScript)
  • ServiceNow API Development
  • PDI coding test

Application Strategy

When reaching out to the recruiter, send a concise email that greets the hiring manager, briefly introduces yourself, and mentions that you have attached your resume. Clearly highlight your top skills—such as ServiceNow ITOM, advanced scripting, and API development—along with any relevant projects where you delivered discovery or asset management solutions. Emphasize how your 10+ years of hands‑on experience align with the role’s requirements and express enthusiasm for the on‑site opportunity.

Career Roadmap

Current Role Typical Experience Core Focus Next Position
Sr ServiceNow Developer 8‑12 years, ITOM expertise Solution design & implementation Lead ServiceNow Architect
Lead ServiceNow Architect 12‑15 years, cross‑domain leadership Strategy & large‑scale delivery ServiceNow Practice Director
ServiceNow Practice Director 15+ years, business & tech vision Portfolio management & client growth VP of IT Service Management