Public Sector Application Architect - Modernization & Integration

alleghenycounty; Pittsburgh (Allegheny County); On-site; USD 110,000 - 165,000; Full time

Job summary

Allegheny County DHS is seeking an Application Architect to define system architecture, integration patterns, data flows, and processes that connect our applications. You will collaborate with engineering, product, data, and vendor teams to design secure, scalable solutions.

The role spans legacy and modern systems, shaping technical direction and guiding teams toward long-term design while ensuring interoperability with PostgreSQL, Oracle, Salesforce, Appian, Python/Django, and React.

Qualifications

• 6+ years of experience in software engineering, systems integration, or application architecture.
• Strong knowledge of relational databases, especially PostgreSQL and Oracle.
• Experience designing integrations between disparate systems and services.
• Familiarity with orchestration tools like Apache Airflow.
• Experience with Python/Django, React, Salesforce, or Appian.
• Understanding of modern CI/CD practices and cloud environments.
• Ability to break down complex problems and communicate clearly across technical and non-technical teams.
• Demonstrated ability to design systems that balance immediate needs with long-term architectural health.

Responsibilities

• Design and maintain architectural patterns that guide how DHS applications integrate and communicate.
• Lead technical design for new systems, integrations, APIs, and data pipelines.
• Partner with engineering, product, and data teams to translate business needs into scalable technical architectures.
• Evaluate system constraints and propose modernization pathways, especially where legacy Oracle systems intersect with newer PostgreSQL and cloud-based services.
• Support orchestration and workflow automation using tools like Airflow.
• Review solution designs from internal and vendor teams to ensure alignment with DHS standards.
• Provide architectural oversight for implementations and ensure clean integration with the broader ecosystem.
• Guide teams on CI/CD workflows, operational reliability, and deployment best practices.
• Create system diagrams, documentation, and architectural artifacts that support transparency and shared understanding.
• Identify technical risks, dependencies, and long‑term impacts of architectural decisions.
• Serve as a technical advisor and thought partner to senior leadership on systems strategy and modernization.

Skills

Communication

Problem solving

Cross-team collaboration

Architectural thinking

Tools

PostgreSQL

Oracle

Airflow

Appian

Python/Django

React

Salesforce

CI/CD

Cloud environments

Job description

Allegheny County DHS is seeking an Application Architect to define system architecture, integration patterns, data flows, and processes that connect our applications. You will collaborate with engineering, product, data, and vendor teams to design secure, scalable solutions.

The role spans legacy and modern systems, shaping technical direction and guiding teams toward long-term design while ensuring interoperability with PostgreSQL, Oracle, Salesforce, Appian, Python/Django, and React.