VistA/MUMPS Sustainment Subject Matter Expert

Develop and review defect resolution plans, including remediation approach, code/data impacts, testing strategy, release considerations, and rollback planning. • Support Tier 2 and Tier 3 production support, including incident prioritization, escalation, workaround identification, and resolution planning.

• Job Title: VistA/MUMPS Sustainment Subject Matter Expert
• Location: Remote
• Tax Term (W2, C2C): W2
• Job Type (Permanent/Contract) : Contract
• Duration: 6+ months
• Pay Range: $60 - $65/hr

Description:
Provide expert guidance on VistA and MUMPS-based application sustainment. • Analyze, triage, and resolve VistA defects, incidents, service requests, and production issues. • Perform root cause analysis across code, data, configuration, workflow, interface, and environment-related issues. • Support Tier 2 and Tier 3 production support, including incident prioritization, escalation, workaround identification, and resolution planning. • Develop and review defect resolution plans, including remediation approach, code/data impacts, testing strategy, release considerations, and rollback planning. • Support testing, validation, release readiness, deployment planning, documentation updates, and post-release monitoring. • Collaborate with developers, testers, product owners, release managers, operations teams, and government stakeholders. • Recommend improvements to sustainment processes, defect prevention, monitoring, backlog management, and knowledge transfer. Required Qualifications • Significant hands-on experience with VistA sustainment, operations, maintenance, or modernization. • Strong knowledge of MUMPS programming and VistA technical architecture. • Experience with VistA routines, globals, FileMan, data dictionaries, cross-references, and package dependencies. • Proven ability to diagnose and resolve production defects in legacy or mission-critical systems. • Experience with Tier 2/Tier 3 support, ticket triage, defect management, and structured software delivery processes. • Ability to communicate complex technical issues clearly to both technical and non-technical audiences. Preferred Qualifications Prior experience supporting Department of Veterans Affairs systems or federal healthcare platforms. Familiarity with VA product-line delivery models, federal sustainment practices, release management, Agile, DevSecOps, and compliance requirements. Experience with monitoring, root cause analysis reporting, data correction, table maintenance, or legacy system modernization.