> Markdown version of [/jobs/ext/3737843-senior-systems-engineer-arcgis-enterprise-ts-sci](https://www.wearedevelopers.com/jobs/ext/3737843-senior-systems-engineer-arcgis-enterprise-ts-sci). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - ArcGIS Enterprise | TS/SCI - **Company:** Environmental Systems Research Institute, Inc. - **Location:** Redlands, CA, United States - **Experience:** Expert - **Salary:** $156,000.0 - $239,200.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Microsoft Windows, Geographic Information Systems, Application Programming Interfaces (APIs), Proxy Servers, Systems Engineering, ArcGIS (Software), C Sharp (Programming Language), Cloud Computing, CompTIA Security+, Databases, Relational Databases, Linux, Domain Name System (DNS), Python (Programming Language), PostgreSQL, Microsoft SQL Server, Networking Basics, Oracle (Applications), Windows PowerShell, SQL Databases, Esri GIS (Software), Scripting, Load Balancing, System Availability, Firewalls (Computer Science), Information Technology, Programming Languages - **Published:** October 14, 2026 - **Apply:** https://diversityjobs.com/career/18629923/Senior-Systems-Engineer-Arcgis-Enterprise-Ts-Sci-California-Redlands ## About the Role * 12+ years of professional experience in a similar position supporting similar responsibilities * Experience designing, implementing and/or administrating enterprise ArcGIS or other comparable IT systems (desktop, server and online) * Broad system administration experience on Windows and/or Linux * 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, HTTPS, firewalls, proxies, load-balancing) * Experience with at least one RDBMS, including SQL query writing (such as SQL Server, Oracle, PostgreSQL) * US citizenship with Active or Current (within 2 years of active) Top Secret Security Clearance with SCI eligibility * Bachelor's degree in Computer Science, Mathematics, Geographic Information Systems (GIS) or STEM related field, * Master's degree in Computer Science, Mathematics, Geographic Information Systems (GIS) or STEM related field * One or more industry-standard IT certifications (such as Esri, Microsoft, Amazon) * CompTIA Security + certification * Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces * Cloud-based system operations (SysOps) #LI-SS2 ## Description Join Esri`s Professional Services team and lead the deployment, optimization, and modernization of mission critical ArcGIS Enterprise environments supporting Defense and Intelligence customers. You`ll solve complex technical challenges spanning enterprise infrastructure, cloud, networking, security, databases, automation, high availability, and ArcGIS. As a senior technical resource, you`ll guide customers through architecture and deployment decisions, troubleshoot complex production environments, influence technical strategy, and mentor other engineers. Esri has a Relocation Assistance Program and can provide support with relocating to the Redlands, CA area for this position. What You`ll Do: * Deploy and optimize enterprise ArcGIS environments * Lead complex migrations and modernization efforts * Troubleshoot infrastructure, networking, performance, and security issues * Work across cloud, on-premises, and hybrid architectures * Design for high availability, resilience and performance * Integrate ArcGIS with enterprise technology environments * Automate system administration and deployment activities * Advise customers on technical and architecture decisions * Establish technical patterns and best practices * Mentor other engineers