Senior M365 / Power Platform Developer

Responsibilities for this Position

General Dynamics Mission Systems has an immediate opening for a Senior M365 and Power Platform Developer. This position provides an opportunity to further advance the cutting-edge technology that supports some of our nation’s core defense and intelligence services. GDMS employees work closely with esteemed customers to develop secure, scalable solutions that enable high-stakes national security missions.

We are seeking a motivated M365 and Power Platform Developer to join a collaborative, challenging, and rewarding team environment. You will partner with a dynamic group of professionals to design and deliver modern digital solutions that enhance collaboration, process automation, knowledge management, and data-driven decision‑making across the enterprise. This role spans SharePoint, Power Platform, Microsoft 365 services, and emerging AI capabilities in the Microsoft ecosystem.

Key Responsibilities and Required Experience

• Demonstrated experience with Microsoft 365 application development, including SharePoint Online, Power Apps, Power Automate, Microsoft Teams extensions, and related services.• Hands-on development within the M365 ecosystem and associated development frameworks. • Experience building scalable Power Platform solutions including canvas apps, model-driven apps, custom connectors, and enterprise-grade automated workflows.• Experience using Microsoft Copilot Studio, AI Builder, or other M365-integrated AI tools to automate processes, classify data, extract insights, or build conversational applications.• Familiarity with Azure OpenAI, Azure Cognitive Services, or similar AI/ML capabilities within the Microsoft ecosystem. Previous use of Codex or Claude is a plus.• Experience migrating or modernizing content and solutions to Microsoft 365 / SharePoint Online; understanding of cloud architecture and Azure fundamentals is a plus.• Understanding of governance, security, compliance, and application lifecycle management in the M365 and Power Platform environment, including ALM pipelines and DevOps approaches.• Practical experience developing solutions within Agile methodologies and DevOps practices.• Ability to create and maintain PowerShell scripts and automation for administration, reporting, and operational support across M365 and SharePoint Online.• Understanding of web applications, IIS, Windows-based hosting concepts, and integration patterns.• Self-starter with demonstrated ability to identify creative, scalable solutions to complex business challenges and communicate effectively with technical and non-technical stakeholders.• Ability to work independently but collaborate with a senior team of SMEs.• Experience in a regulated environment is preferred.

Basic Qualifications

Bachelor's degree in Information Technology, Engineering and/or related field or equivalent relevant experience, plus 8 years of related experience; or Master's degree plus 6 years of related experience. Certified application developer indicating an advanced or expert degree of application development knowledge is strongly preferred.

Due to the nature of work performed within our facilities, U.S. citizenship is required.

Skills and Qualifications

• Strong proficiency with Microsoft 365 application development, including SharePoint Online, Power Apps, Power Automate, Dataverse, and Microsoft Teams extensions.• Experience developing custom solutions using SharePoint Framework (SPFx), TypeScript/JavaScript, React, HTML5, and CSS.• Hands-on experience with Microsoft Graph API, REST APIs, and custom connector development.• Experience with Power Platform AI capabilities including AI Builder, document processing models, sentiment analysis, prediction models, and generative AI integrations.• Experience using Microsoft Copilot Studio to build conversational bots and automate knowledge workflows.• Familiarity with Azure AI services such as Azure OpenAI, Cognitive Search, Cognitive Services, or embeddings-based solutions.• Experience with solution lifecycle management in Power Platform, including pipelines, source control, and environment governance.• Understanding of M365 security, compliance, identity, and role-based access controls.• Experience with Azure Functions, Logic Apps, Azure Automation, or serverless integration patterns is a plus.• Ability to design and implement scalable data models in Dataverse, SQL, or other structured storage systems.• Experience with migration to Microsoft 365 / SharePoint Online and modernization of classic solutions to modern experiences.• Proficiency in PowerShell scripting for automation and tenant-level administration.• Strong understanding of Agile development methodologies, DevOps principles, and CI/CD practices.• Excellent problem‑solving skills, communication skills, and ability to partner with both technical and non‑technical stakeholders.

This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.

Combined Salary Range USD $132,930.00 - USD $143,835.00 /Yr.

Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency.

We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!