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Senior SharePoint Developer

Sigmatech
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Arlington County, Arlington, VA, USA
Sep 21, 2026

Job Description

About Our Organization

DASA DE&C manages the Army's Security Assistance and Armaments Cooperation programs that engage allies and partners across the full spectrum of Army acquisition to achieve force dominance. We lead the U.S. Army Security Assistance Enterprise (ASAE), providing leadership, resource management and policy oversight. We build the capabilities of allies and partners, strengthen relationships with our foreign partners, and strengthen the U.S. industrial base.

Position Overview

As a Senior SharePoint Developer, you will be responsible for the direct, hands-on management and optimization of the DASA DE&C SharePoint site collections, which serve a senior executive audience. You will operate with significant autonomy to architect and implement robust collaboration solutions that have high visibility and directly support senior leadership. For context, the DASA DE&C site collections reside within the broader A365 environment. Therefore, this role's responsibilities are focused on site-level administration and solution development, as all back-end server hardware and software maintenance are managed at the enterprise level. You will serve as the hands-on technical lead for SharePoint and its integrated tools.

Core Duties and Responsibilities

  • Hands-On Site Collection Management: Lead the hands-on development and optimization of the entire DASA DE&C SharePoint environment to meet the strategic and operational needs of a senior headquarters. Personally lead projects to architect, build, and customize solutions that directly support executive-level decision-making.
  • Advanced Solution Development: Design, develop, and directly implement complex automated business solutions using the Power Platform (Power Automate, Power Apps). Lead the hands-on integration of SharePoint with other Microsoft 365 tools, including Power BI and Teams.
  • Security and Governance Implementation: Take a lead role in the hands-on management and enforcement of the SharePoint security model. Architect and implement complex role-based access control (RBAC) solutions and actively ensure compliance with Army records management and site lifecycle governance policies.
  • Expert-Level Technical Support: Serve as the primary escalation point for the most complex hands-on administrative and technical challenges, providing expert-level troubleshooting and resolution with minimal disruption to senior leader operations.
  • Training and Mentorship: Lead the development of the SharePoint training program. Design and deliver targeted training on advanced functionalities and mentorDASA DEC staff.

Experience and Skills

Essential Requirements

  • Security Clearance: Must possess and maintain a current Secret security clearance.
  • Education: Bachelor’s degree in Information Technology, Computer Science, or a related field is required. Master's degree is highly preferred.
  • Experience:
  • A minimum of five to eight (5-8) years of professional, hands-on SharePoint development experience, with a proven track record of developing and managing solutions.
  • A minimum of seven to ten (7-10) years of professional, hands-on SharePoint development.
  • Proven experience developing and implementing SharePoint sites within a large U.S. Government (USG) or Department of War (DoW) cloud environment (e.g., A365).
  • Skills:
  • Advanced hands-on expertise in SharePoint Online architecture and administration.
  • Expert proficiency in designing and directly implementing solutions using the Microsoft Power Platform.
  • Proven ability to engage confidently with senior stakeholders, understand mission context, and translate complex business needs into robust technical requirements.
  • In-depth, practical knowledge of SharePoint security models and governance best practices.

Preferred Certifications

  • Microsoft Certified: Power Platform App Maker Associate (PL-100)
  • Microsoft Certified: Power Platform Functional Consultant Associate (PL-200)
  • Microsoft Certified: Teams Administrator Associate (MS-700)

Work Environment

  • Location: This position is based in the Arlington, VA area. Remote or hybrid work may be authorized based on mission requirements and candidate qualifications.
  • Schedule: This is a full-time position operating during core business hours. Flexibility is required to support operational rhythms.
  • Travel: May be required up to 10% of the time to CONUS locations for key planning events, training, or stakeholder engagements.

Collaboration: Regardless of physical location, all team members are required to maintain a full virtual presence and actively participate in team meetings, discussions, and collaborative efforts via MS Teams or other collaborative applications as directed.

Job ID

368844

Security Clearance

SECRET
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