Technical Lead / Solution Architect

Aretum•McLean, VA

3d•Remote

About The Position

Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront. Job Summary Aretum is seeking a skilled and highly motivated Technical Lead / Solutions Architect. As a Technical Lead / Solutions Architect, you will own end-to-end architecture, integration strategy, and alignment with VA enterprise standards. Due to the nature of our work as a federal consulting organization, employees may be expected to handle Controlled Unclassified Information (CUI) and must adhere to applicable safeguarding and compliance requirements.

Requirements

U.S. Work Authorization
Due to federal contract requirements, only U.S. citizens are eligible for this position.
This position supports a federal government contract and requires the ability to obtain and maintain a Public Trust or Suitability Determination, depending on the agency’s background investigation requirements.

Responsibilities

Define VAEC-aligned architecture (networking, containers, integration, security zones)
Lead integration across VistA, Cerner, CDW, and APIs
Oversee data flow design, system boundaries, and interoperability patterns
Guide ATO boundary definition and control inheritance strategy
Provide technical leadership across all engineers
Cloud Architecture: AWS (VPC, ECS/EKS, IAM, ELB, CloudWatch), multi-account strategy
Containerization: Docker, Kubernetes/OpenShift fundamentals
Healthcare Interoperability: FHIR R4, CDS Hooks, SMART on FHIR, HL7 awareness
Enterprise Integration Patterns: API gateway design, event-driven architecture, batch vs real-time tradeoffs
Data Architecture: Data flow modeling, schema design, data lineage, normalization strategies
Security Architecture: Zero Trust concepts, network segmentation, encryption strategies, RBAC
RMF Awareness: NIST 800-53, ATO boundary definition, control inheritance models
DevSecOps: CI/CD pipelines, artifact promotion, environment separation
Performance & Scalability: Stateless services, horizontal scaling, high availability patterns
Stakeholder Communication: Ability to translate architecture to VA stakeholders and clinicians