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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Administrator 4P/655 - **Company:** 4P Consulting Inc. - **Location:** Atlanta, GA, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Microsoft Windows, Application Programming Interfaces (APIs), User Authentication, Build Automation, Microsoft Online Services, System Configuration, Microsoft Exchange Server, Monitoring of Systems, JSON, Python (Programming Language), Enterprise Messaging Systems, Windows PowerShell, Security Information and Event Management, Workflow Management Systems, Data Logging, Scripting, Microsoft Power Automate, System Availability, Git, Performance Monitor, Restful APIs, Pagination, Software Version Control - **Published:** May 14, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=a850fb2bdc041f16 ## About the Role Do you have experience in System performance monitoring?, We are seeking a highly skilled Senior Systems Administrator - Messaging to lead the administration, optimization, and automation of enterprise messaging platforms. This role supports and enhances Microsoft Exchange (on-prem, hybrid, and Exchange Online), Microsoft 365, and Proofpoint environments. A strong emphasis is placed on automation-first engineering , leveraging PowerShell, Python, Microsoft Graph API, REST APIs, and Power Automate to reduce manual operations and enable scalable, resilient systems. The ideal candidate brings a code-first mindset , strong scripting ability, and deep enterprise messaging expertise., * Strong automation-first mindset . * Advanced PowerShell and Python scripting skills. * Experience working with: + Microsoft Graph API + REST APIs + Power Automate (or similar orchestration tools) * Hands-on administration experience with: + Exchange Server (on-prem & hybrid) + Exchange Online * Experience with Proofpoint security suite. * Experience configuring enterprise monitoring and alerting. * Strong troubleshooting and analytical skills. * Ability to work independently under general direction. * Willingness to participate in on-call rotation., * Microsoft Exchange (On-Prem & Online) * Microsoft 365 * Proofpoint (TRAP, TAP, EFD, SER, POD) * PowerShell (Advanced) * Python * Microsoft Graph API * REST APIs * Power Automate * Git / Source Control * SIEM / Monitoring Integration Core Competencies * Code-first engineering mindset * Process automation expertise * Enterprise troubleshooting skills * Strong documentation discipline * Cross-team collaboration * Clear technical communication ## Description Messaging Platform Administration & Support * Administer and support: + Microsoft Exchange Server (on-prem & hybrid) + Exchange Online (Microsoft 365) * Ensure high availability, performance, reliability, and security. * Troubleshoot complex issues and conduct root cause analysis. * Lead modernization and system improvement initiatives., * Tune policies to reduce false positives and improve detection. * Coordinate incident response with security teams. Automation & Engineering (Core Focus) * Build automation solutions for daily messaging tasks. * Develop reusable PowerShell and Python modules with: + Error handling + Logging + Source control (Git) * Automate user lifecycle and mailbox management via Microsoft Graph API. * Consume and integrate REST APIs (authentication, pagination, JSON parsing). * Build Power Automate workflows for cross-system orchestration. * Continuously identify and eliminate manual processes. Monitoring & Alerting * Configure enterprise monitoring and alerting. * Integrate messaging platforms with monitoring/SIEM tools. * Implement automated remediation triggered by alerts. Project Delivery & Continuous Improvement * Execute messaging-related projects including: + Platform migrations + Mail flow changes + Security enhancements * Partner with infrastructure, identity, and security teams. * Maintain technical documentation and code repositories. * Standardize processes and improve automation at scale. ## Related Videos - [Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [JavaScript? No. Java Scripts! - Scripting with Java](https://www.wearedevelopers.com/videos/2094-javascript-no-java-scripts-scripting-with-java) - [Systems Thinking for Performance: How to Diagnose and Fix Slow Systems without Guessing](https://www.wearedevelopers.com/videos/2103-systems-thinking-for-performance-how-to-diagnose-and-fix-slow-systems-without-guessing) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Mastering Remote Work: Tips for Developers](https://www.wearedevelopers.com/magazine/558-mastering-remote-work-tips-for-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)