SharePoint Developer

SOSi1

Fort Belvoir, VA, United States permanent

Posted: January 16, 2026

Job Description

Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.

Overview

SOSi is seeking a highly qualified SharePoint Developer to join our team in support of our government customer on site in Ft. Belvoir, VA. The SharePoint Developer will perform as a technical expert in the area of SharePoint development and administration to support the operation, maintenance, and modification of the ARIMS family of applications.

Essential Job Duties

• Develop, configure, and manage SharePoint applications and site collections.
• Monitor and remediate any issues with SharePoint site collections and permissions.
• Monitor and apply SharePoint patches and software updates.
• Migrate and sustain SharePoint site collections into the environment or new hardware platforms.
• Lead IT projects involving SharePoint, ensuring they meet government requirements and needs.
• Provide solutions to technical problems related to SharePoint.
• Communicate effectively with government stakeholders regarding SharePoint issues and solutions.
• Support program/project requirements with SharePoint Enterprise features.
• Support program stakeholders with ad hoc updates to any customized SharePoint page content to include end user training.
• Assist the project manager and client in developing a schedule/timeframe for each project to ensure each one is executed efficiently and in a timely manner.
• Create and maintain complete and accurate documentation on all supported applications.
• Work with customer stakeholders to design or customize applications with a focus on optimizing operational efficiency.

Minimum Requirements

• Bachelor’s degree or postgraduate degree in engineering, scientific, technical, or business management disciplines from an accredited college or university.
• In lieu of a bachelor’s or postgraduate degree, must have a minimum of 5 years of installing, configuring, developing, and managing the Microsoft SharePoint Office 365 application experience.
• An active in scope Top Secret security clearance or Secret with the ability to obtain a Top Secret.
• Proven senior level experience with MS 365 SharePoint Online.
• Knowledgeable in system specifications, integration, and hardware/software compatibility.
• Ability to lead numerous IT projects related to SharePoint.
• Must have demonstrated the ability to communicate with a variety of stakeholders in multiple formats.
• Must possess baseline and computing environment certifications for IAT-II IAW DoD 8570.01-M (CCNA-Security, CySA+, GICSP, GSEC, Security+, CND, or SSCP).

Preferred Qualifications

• Advanced certifications in SharePoint development or administration (Microsoft 365 Certified: Teamwork Administrator Associate, Developer Associate; MSCE: Productivity Solutions Expert, Microsoft Power Platform Certifications (Power Apps, Power BI, Power Automate).
• Experience with Agile Project Management methodologies is desired.  
• Extensive experience in SharePoint migrations and updates.
• Experience in working with government systems, particularly within the DoD or Army sectors.
• Strong background in IT project management, with a focus on SharePoint applications.

Work Environment

• Normal office conditions.
• On government site within Ft. Belvoir, VA. 
• (No hybrid or remote work available.)

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason. 

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