Sr Appian Platform Engineer / Architect

Overview Join us in transforming how technology serves those who serve. At Leidos, we deliver solutions and pioneer the future of defense and intelligence technology, empowering our customers to succeed in their critical missions. Primary Responsibilities The Digital Modernization Sector seeks a Sr Appian Platform Engineer / Architect to support cloud modernization initiatives for the United States Coast Guard (USCG) at the Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. The role focuses on design, development, integration, and modernization of enterprise workflow and business process automation solutions, requiring deep expertise in the Appian low‑code platform as well as experience with other low‑code/no‑code technologies. Key Responsibilities Lead architecture, design, and implementation of scalable Appian-based enterprise applications. Define platform standards, governance, reusable components, and development best practices. Design and implement workflow automation, case management, integrations, and business process orchestration solutions. Collaborate with business stakeholders, product owners, and technical teams to translate business requirements into scalable technical solutions. Architect integrations with enterprise systems using REST/SOAP APIs, messaging platforms, databases, and cloud services. Provide technical leadership and mentorship to development teams. Establish CI/CD pipelines, DevSecOps practices, and automated deployment strategies for low‑code platforms. Evaluate and recommend appropriate low‑code/no‑code technologies for business use cases. Lead platform modernization and migration initiatives across multiple low‑code ecosystems. Ensure solutions comply with security, performance, scalability, and enterprise architecture standards. Support production operations, troubleshooting, performance tuning, and platform optimization. Create architecture documentation, technical roadmaps, and governance frameworks. Basic Qualifications Requires BS and 12+ years of prior relevant experience or Masters with 10+ years of prior relevant experience; additional years of experience accepted in lieu of a degree. 5+ years of hands‑on Appian development and architecture experience. Experience leading enterprise‑scale Appian implementations. Experience with at least one additional low‑code/no‑code platform: Microsoft Power Platform ServiceNow Pega Salesforce Platform UiPath Experience integrating low‑code platforms with enterprise systems and cloud services. Preferred Qualifications Appian Certified System Administrator, Lead Developer, Senior Developer, or Architect (preferred). Microsoft Power Platform certifications. ServiceNow Certified System Administrator or Architect. Architecture & Leadership Expectations Ability to define enterprise low‑code strategy and governance. Experience establishing platform Centers of Excellence. Strong understanding of scalable architecture patterns and enterprise integration frameworks. Ability to conduct architecture reviews and enforce technical standards. Experience working in Agile, Scrum, and SAFe environments. Strong stakeholder management and executive communication skills. Pay Range $131,300.00 – $237,350.00 Benefits Compensation packages include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. For more details, visit Commitment to Non‑Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr Leidos