Job Description

What success looks like in this role:
Role Summary
The Pega Lead System Architect (LSA) provides technical, delivery, solution and engagement leadership across large-scale government Pega programs. The role is accountable for defining enterprise-grade architecture, leading Pega Constellation adaptation, and partnering with senior stakeholders to translate long-term business strategy into effective Pega solutions.
The LSA leads high-performing delivery teams, supports technical delivery across environments (dev/test/prod), defines architecture standards, and ensure high availability, performance and security of the Pega platform and its integrations.
What success looks like in this role

• Lead solution architecture and detailed design for Pega applications using Pega Constellation
• Define case, data, integration, and UI design patterns aligned to Constellation and Pega guardrails
• Plan and execute Pega platform migrations with minimal business disruption
• Design, implement, and operationalize integrations with external platforms including Kafka (event streaming) , ElasticSearch, REST / SOAP services and enterprise data sources
• Define and enforce:

• Application and ruleset layering standards
• Reuse and framework patterns
• CI/CD and deployment strategies across multi-environment landscapes
• Conduct architecture, design, and code reviews to ensure authoring quality and consistency
• Mentor and guide CSSAs, System Architects, and development teams
• Collaborate with Product Owners, Infrastructure, Security, and Operations teams to ensure alignment with business outcomes, security, and compliance requirements

You will be successful in this role if you have

• Led at least one end-to-end Pega Customer Service implementation
• Proven experience driving Pega Constellation implementation
• Deep understanding of Pega platform internals, integration patterns, and deployment pipelines
• The ability to balance delivery speed with long-term maintainability and upgrade readiness
• Confidence leading technical discussions with architects, developers, and senior stakeholders
• Strong hands-on capability in Pega latest features
• A quality-first mindset with a strong focus on guardrails, reuse, and platform health

#LI-ND1
You will be successful in this role if you have:
Mandatory

• Pega Lead System Architect (LSA) certification
• 10+ years of hands-on experience delivering large-scale Pega implementations
• Strong expertise in:

• Pega Customer Service and Government solutions
• Pega Constellation (DX API, Views, Data-driven UI)
• Enterprise integration (REST, SOAP, RDBMS)
• Strong experience in:

• Solution design, estimation, and delivery leadership
• Migration of data into Pega based solutions
• Handling non-functional requirements (performance, security, scalability)
• Strong communication skills with the ability to mentor teams and influence technical direction
• Experience in Government environments and Agile delivery methods
• Experience leading onshore and offshore delivery teams

Desirable

• Hands-on experience designing solutions using Pega Constellation architecture
• Experience on Pega Blueprint and Gen AI capabilities.
• Experience with Australian Government platforms or agencies
• Exposure to cloud deployments (AWS / Azure / Government Cloud)

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, blood type, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.
Local employment practices and rights may vary by jurisdiction and are subject to applicable local laws. This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers.
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Skills Required