Senior SharePoint Administrator

Company: Reflexive Concepts
Location: Annapolis Junction
Posted on: April 1, 2026

Job Description:

Reflexive Concepts is seeking a skilled Senior SharePoint Administrator to join our team! Specifically, we are looking for a senior-level engineer who can identify, repair, and stabilize a SharePoint farm. Qualifications: A bachelor's degree in a technical discipline and twelve (12) years of experience in software development/engineering. Sixteen (16) years of experience in software development/engineering may be substituted in lieu of a degree At least eight (8) years of experience with SharePoint Extensive knowledge of Linux Ability to work during core hours of 10AM-2PM. Exceptions will be considered on a case-by-case basis Required: Strong hands-on experience as a SharePoint Farm / Server Engineer Deep expertise with SharePoint Server 2013 and 2019 Advanced SharePoint PowerShell skills Proven experience troubleshooting farm-level issues, event receivers, and custom solutions Experience supporting SharePoint in IaaS or hybrid environments Ability to: work independently in a secure, mission-critical environment Administer and support a SharePoint 2019 farm at the server and farm level Diagnose and fix event receivers, features, and custom solutions broken during the SharePoint 2013 ? 2019 migration Perform SharePoint farm health checks and environment scans Identify deprecated or incompatible customizations and third-party components Use PowerShell extensively for farm configuration, troubleshooting, and remediation Validate service applications, web applications, timer jobs, and dependencies Support SharePoint running on Linux-based IaaS infrastructure Ensure farm stability, performance, and compliance with USCYBERCOM requirements Document findings, fixes, and recommended improvements Collaborate with FTSG and government technical teams Desired: Experience supporting DoD or Intelligence Community customers (USCYBERCOM preferred) Experience performing post-migration remediation Familiarity with SharePoint security hardening and STIG compliance Ability to clearly communicate ambiguous or highly complex concepts to all audiences Ability to understand the big picture and align the day-to-day activities to support that picture

Keywords: Reflexive Concepts, Catonsville , Senior SharePoint Administrator, IT / Software / Systems , Annapolis Junction, Maryland