Note: The job is a remote job and is open to candidates in USA. Mastech Digital is seeking a Healthcare Systems Developer to support VistA and MUMPS-based healthcare applications. The role focuses on diagnosing and resolving production issues, providing Tier 2 and Tier 3 support, developing defect resolution plans, supporting releases, and improving sustainment processes.
Responsibilities
- 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
Skills
- 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
- 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
Company Overview
Company H1B Sponsorship