Arcgis Enterprise Administrator
OldRex Technologies
Company Description OldRex Technologies is a mission-driven technology company founded by U.S. Coast Guard veterans and rooted in precision, readiness, and service. The team translates complex operational requirements into practical, high-impact digital solutions for government and commercial clients. This background provides a distinctive “always ready” mindset that shapes how projects are planned, executed, and supported. Applicants can expect a culture that values reliability, attention to detail, and clear communication. Professionals who thrive in structured, purpose-oriented environments will find meaningful work and growth opportunities here.
Location: Arlington, VA
Clearance: TS/SCI
Requirements
· 3-5 professional experience designing, implementing, administrating 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 ( such as SQL Server, Oracle, PostgreSQL )
· Experience with Esri software including ArcGIS Enterprise and Portal for ArcGIS and their associates APIs or interfaces
· Working knowledge of at least one scripting or programming language ( such as Python, PowerShell, Javascript, C#)
· Familiarity with network concepts and topics ( such as domains, directories, DNS, firewalls, proxies, load-balancing )
· Familiarity with authentication concepts and topics ( such as SAML, Web Tier, OIDC)
· Familiarity with cloud-based system operations (SysOps)
· TS/SCI US Security Clearance
· Bachelor's in Computer Science, Mathematics, Geographic Information Systems (GIS) or STEM related field
Recommended Qualifications
· Master's in Computer Science, Mathematics, Geographic Information Systems (GIS) or STEM related field
· One or more industry-standard IT certifications ( such as Esri, CompTIA, Microsoft, Amazon )
· Experience with Esri software including ArcGIS Pro, ArcGIS Notebook Server, ArcGIS Monitor and their associates APIs or interfaces
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