VistA/VA Systems Integration Engineer
Tria Federal
| Company | Tria Federal |
| Category | Engineering |
| Location | Arlington |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Not stated |
| Salary | Not stated by the employer |
| Posted | 14 May 2026 |
| Last verified | 5 Aug 2026 |
| Source | Employer ATS (greenhouse) |
Description
Who we are:
Tria Federal delivers digital services and technology solutions that support the health and safety of veterans, service members and civilians. For two decades, federal agencies have relied on Tria companies to advance their critical missions and modernize their systems, so that they can uphold their commitment to the American people. Today, we are pushing the boundaries of possibility through partnerships and investments in artificial intelligence and emerging technologies, developing solutions for the biggest challenges that government will face tomorrow.
We are proud to employ and support military veterans who bring mission-first mindset, technical expertise, and leadership qualities that strengthen our work. Veterans, transitioning service members, and military spouses are strongly encouraged to apply.
Tria Federal is seeking a VistA/VA Systems Integration Engineer to join our team. This location will be in Arlington, VA and is a hybrid role.
Responsibilities:
Manage interdependencies between multiple VA IT systems
Assist project managers with implementing enterprise cloud integration
Assist project managers with the development of high quality responses to internal and external information requests
5 years of experience with VistA deployment and patching, from the OS level up
Experience with formal SDLC, particularly agile
Knowledge of VA patch and release process for VistA
Knowledge of VA practices and policies
Experience with Intersystem technology stack (Caché, Ensemble)
Experience with Veterans Administration (VA) integration, including VistA
Experience developing APIs, RPCs and clinical application code using Caché, MuMPs, or COS (Caché Object Script)
Experience with XML, XSLT, JSON or other data formats
Familiarity with relational & non-relational databases such as MySQL, Postgres, Oracle, SQL Server, Mongo DB, Dynamo, Cassandra
Ability to communicate with brevity and clarity, both orally and through written communication, to management and co-workers
Passionate and motivated self-starter that excels in a dynamic, fast-paced environment requiring only limited supervision
Strong organizational skills and ability to multi-task
Ability to prioritize competing responsibilities
Ability to have or obtain a VA Tier 3 Public Trust clearance
Experience with HL7 Messaging and standards
Ability to handle multiple tasks effectively, and work independently, with minimal supervision and direction
Familiar with: FHIR, HTML5/CSS, Restful Web Services, Postman
Good understanding of HealthShare and Health Insights
Computer Science fundamentals in object-oriented design, data structures and algorithm design, and complexity analysis
Experience with data warehousing design and implementation
Experience designing, implementing, and using RESTful Web Services in a Microservice Architecture
Experience translating design mockups and prototypes into working application designs
Familiarity with scripting languages such PowerShell or Unix shell scripting
You have a solid understanding of version control principles, preferably using Git
Experience with Agile Frameworks such as Scrum or Kanban
Experience with TDD, Continuous Integration, Continuous Deployment, Automated Testing
Motivated to drive tasks to completion and take ownership of projects
Ability to work in a fast paced and agile development environment
Federal Government experience, preferably with the Veteran’s Administration
VA VIP Methodology Experience
Software as a Service (SaaS) implementations
COTS solution implementation projects
Experience working in a CMMI-DEV ML3 organization
Success working with a geographically dispersed team
Experience working in the health care industry
Deployment and patching of VistA for several cloud environments
Validate VistA environments
Interact with agile scrum teams
Research &