Logo for ARK Solutions, Inc.

VistA/MUMPS Subject Matter Expert :: Washington, DC (Remote)

ARK Solutions, Inc.

Role overview

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.

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.

Key facts

Hard skills

Other skills

  • Communication

About the company

ARK Solutions, Inc. logo

ARK Solutions, Inc.

IT Services & IT Consulting

WE'RE A COMPANY THAT CARES FOR OTHERS BEYOND STAFFING OUR CULTURE SHAPES EVERYTHING WE DO. Our people, clients, and consultants matter to us more than anything. We are driven by a culture of purpose, shared values, and growth. OUR CLIENTS ARE OUR DRIVING FORCE Whether it’s finding the right candidate for a job or seamlessly managing a project end to end, our conviction and commitment to our clients runs deep. No matter what it takes, we’re devoted towards the success of your business. OUR PEOPLE ARE OUR FAMILY Our team members are our family. We’re here for you and we won’t stop until you’re exactly where you want to be. We believe in your potential and we are devoted to helping you achieve your ambition. IT’S ALL ABOUT YOU Your business is our business. We believe in making our relationship and understanding strong, and we know just how to do that. Our mantra is: analyze, identify, recruit, execute. Our mission is to create relationships, not transactions. Our promise is that we'll be there, as questions or issues arise, every step of the way. With experience in staffing and implementing projects, we thrive on sharing our experience and knowledge to help you make a success of your business. Our track record proves that clear communication and expert collaboration will boost your bottom line. ARK was formed in 2003 with the goal of becoming the supplier of choice for clients, employer of choice for our employees and contingent workforce. We provide high-volume staffing, SOW and payrolling services to structured contingent workforce programs and projects across USA. With our deep industry knowledge, business process expertise, comprehensive resources and a proven track record, ARK Solutions, Inc. can mobilize the right talent across various skills. ARK Solutions, Inc. is a certified Minority Women Owned Firm by NMSDC, State of VA, PA, NY and MD.

Company details

Company typeSME
IndustryIT Services & IT Consulting
Company size201 - 500

Links

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Job description

VistA/MUMPS Subject Matter Expert

Location: Washington, DC (Remote)

Duration: 4 months

Key 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.

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 State/Government/Federal healthcare platforms.
  • Familiarity with 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.

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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