Senior ArcGIS Enterprise Administrator — TS/SCI

OldRex Technologies

Washington (District of Columbia)

On-site

USD 120,000 - 150,000

Full time

6 days ago

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Job summary

OldRex Technologies in Arlington, VA, seeks a skilled GIS Systems Administrator to design, implement, and maintain enterprise GIS solutions for government and commercial clients. The role requires experience with Windows and Linux, SQL databases, and Esri ArcGIS Enterprise/Portal, delivering reliable, secure, and scalable GIS services.

Candidates must hold a TS/SCI clearance; a STEM BS is required. You will collaborate with cross‑functional teams to translate operational requirements into GIS

Qualifications

Bachelor's in Computer Science, Mathematics, Geographic Information Systems (GIS) or STEM field.
3–5 years of experience designing, implementing, administering and maintaining enterprise GIS systems (PROD and DEV).
Broad system administration experience on Windows and/or Linux.
Experience with at least one RDBMS, including SQL query writing (SQL Server, Oracle, PostgreSQL).
Experience with Esri software including ArcGIS Enterprise and Portal for ArcGIS and their APIs or interfaces.

Skills

GIS system design

Windows & Linux admin

SQL & RDBMS

Esri ArcGIS Enterprise

Networking concepts

Authentication concepts (SAML/OIDC)

Cloud SysOps

TS/SCI clearance

Education

Bachelor's in Computer Science, Mathematics, GIS or STEM

Tools

Esri ArcGIS Enterprise

Job description

Candidates must hold a TS/SCI clearance; a STEM BS is required. You will collaborate with cross‑functional teams to translate operational requirements into GIS

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