Information Systems Architect Senior

Leidos•Quantico, VA

About The Position

At Leidos, we deliver innovative solutions through the efforts of diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! The Mission The Leidos team delivers the core backbone of the Service, Management, Integration and Transport (SMIT) program, including cybersecurity services, network operations, service desk, and data transport. Leidos will support network modernization efforts to provide Sailors, Marines and the civilian workforce with the tools they need to be more efficient at increasing naval capabilities and further empowering the Navy Marine Corps team to compete and win. Your Main Objective: Lead the design, development, customization, and implementation of enterprise SharePoint solutions (SharePoint Online and/or on-prem), including portals, workflows, and integrated applications. Architect scalable SharePoint environments leveraging modern development frameworks (SPFx, Power Platform, REST APIs, .NET). Define project scope, technical architecture, implementation plans, and lifecycle deliverables, including cost estimates and deployment timelines. Provide technical leadership in establishing SharePoint development standards, governance models, and best practices. Design and implement advanced solutions using Power Apps, Power Automate, Power BI, and custom SharePoint Framework (SPFx) components. Integrate SharePoint with enterprise systems (e.g., Microsoft 365 services, Azure, SQL Server, and third-party tools such as DocAve, CorasWorks, iOra). Lead migration, modernization, and optimization efforts (e.g., legacy SharePoint to SharePoint Online, content restructuring, performance tuning). Establish and enforce governance, security, and compliance standards aligned with information assurance and cybersecurity requirements. Oversee performance monitoring, capacity planning, and system health for SharePoint environments. Troubleshoot complex issues across development, infrastructure, and integration layers; provide root cause analysis and corrective actions. Mentor and guide junior developers and engineers in SharePoint development, DevSecOps practices, and modern Microsoft ecosystem tools. Support proposal efforts and technical solutioning for new business opportunities related to collaboration and knowledge management platforms.

Requirements

Bachelor’s degree in Computer Science, Information Systems, or related field
10–12+ years of IT experience with extensive SharePoint development and architecture experience
Strong expertise in: SharePoint Online / 2016/2019
SPFx (SharePoint Framework), JavaScript/TypeScript
Power Platform (Power Apps, Power Automate, Power BI)
Microsoft 365 ecosystem (Teams, OneDrive, Azure AD)
REST APIs, CSOM/JSOM, .NET
Experience with SharePoint governance, security, and compliance frameworks
Experience with migration and administration tools (e.g., DocAve, iOra, ShareGate)
US Citizen with an active DoD Secret Clearance
IAT Level II Certification
NGEN

Responsibilities

Lead the design, development, customization, and implementation of enterprise SharePoint solutions (SharePoint Online and/or on-prem), including portals, workflows, and integrated applications.
Architect scalable SharePoint environments leveraging modern development frameworks (SPFx, Power Platform, REST APIs, .NET).
Define project scope, technical architecture, implementation plans, and lifecycle deliverables, including cost estimates and deployment timelines.
Provide technical leadership in establishing SharePoint development standards, governance models, and best practices.
Design and implement advanced solutions using Power Apps, Power Automate, Power BI, and custom SharePoint Framework (SPFx) components.
Integrate SharePoint with enterprise systems (e.g., Microsoft 365 services, Azure, SQL Server, and third-party tools such as DocAve, CorasWorks, iOra).
Lead migration, modernization, and optimization efforts (e.g., legacy SharePoint to SharePoint Online, content restructuring, performance tuning).
Establish and enforce governance, security, and compliance standards aligned with information assurance and cybersecurity requirements.
Oversee performance monitoring, capacity planning, and system health for SharePoint environments.
Troubleshoot complex issues across development, infrastructure, and integration layers; provide root cause analysis and corrective actions.
Mentor and guide junior developers and engineers in SharePoint development, DevSecOps practices, and modern Microsoft ecosystem tools.
Support proposal efforts and technical solutioning for new business opportunities related to collaboration and knowledge management platforms.