Senior Systems Administrator – Messaging
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Job Description:
At our organization, we take our mission and values to heart! We are on a mission to offer more and better jobs all over the world! Our goal is to care for you while you care for our clients and get you paid the highest pay possible. All our associates working with us are expected to embrace our RACE values: R - Results Matter, A- Approachable, C - Care, and E - Emergency i.e. work with a sense of urgency.
For more relevant job opportunities please visit our website: Denken Solutions Careers
Job Description:
- Senior Systems Administrator – Messaging.
- Summary The Senior Systems Administrator – Messaging is responsible for the administration, maintenance, optimization, and automation of the organization's email and messaging platforms, including Microsoft Exchange Server, Exchange Online (Microsoft 365), and Proofpoint.
- This role balances operational support with a strong emphasis on automation and code-first problem solving.
- A core expectation of this position is the ability to build automation solutions using PowerShell, Python, Microsoft Graph API, REST APIs, and Power Automate to reduce manual effort, improve reliability, and enable scalable operations.
- Messaging Platform Administration & Support.
- Administer and support Microsoft Exchange Server (on-prem, hybrid) and Exchange Online.
- Ensure availability, performance, reliability, and security of messaging systems.
- Troubleshoot and triage complex issues and perform root cause analysis.
- Drive system improvements, upgrades, and modernization efforts. Proofpoint Administration
- Administer the Proofpoint email security suite (TRAP, TAP, EFD, SER, POD).
- Tune policies to improve detection and reduce false positives.
- Respond to email security incidents in coordination with security teams. Automation & Engineering (Core Focus Area)
- Build automation and workflows to handle daily messaging tasks.
- Develop reusable PowerShell and Python modules, scripts, and utilities that include proper error handling, logging, and version control.
- Use Microsoft Graph API to automate user lifecycle, mailbox management, reporting, and policy enforcement.
- Build Power Automate workflows to orchestrate cross-system processes, approvals, and event-driven actions.
- Continuously identify and eliminate manual processes through automation-first thinking. Monitoring & Alerting
- Configure monitoring and alerting across messaging platforms.
- Build integrations between messaging systems and enterprise monitoring/SIEM tools in partnership with security and infrastructure teams.
- Wire automation into alerts so detections trigger remediation actions. Project Delivery & Continuous Improvement
- Execute projects in the messaging space, including platform migrations, mail flow changes, and deployment work.
- Partner with infrastructure and security teams on cross-functional initiatives.
- Identify opportunities for process standardization and automation at scale.
- Maintain technical documentation, code repos, and operational procedures.
- Code-first mindset: defaults to automating problems rather than performing them manually.
- Strong scripting skills in PowerShell and Python, including building reusable modules, implementing proper error handling, and managing code through source control (e.g., Git).
- Hands-on experience automating against Microsoft Graph API.
- Experience consuming and integrating REST APIs (authentication, pagination, rate limits, JSON handling).
- Experience building workflows in Power Automate or a comparable orchestration tool.
- Experience administering Exchange Server and Exchange Online in hybrid environments.
- Working knowledge of Proofpoint email security (TRAP, TAP, EFD, SER, POD).
- Experience configuring monitoring and alerting for enterprise systems.
- Strong troubleshooting and analytical skills.
- Ability to operate under general direction, exercise sound judgment, and work independently to deliver results.
- Willingness to participate in an on-call rotation supporting critical systems.
- Ability to partner effectively with infrastructure, security, identity, and support teams, and communicate clearly with both technical and non-technical stakeholders.
At our organization, we take our mission and values to heart! We are on a mission to offer more and better jobs all over the world! Our goal is to care for you while you care for our clients and get you paid the highest pay possible. All our associates working with us are expected to embrace our RACE values: R - Results Matter, A- Approachable, C - Care, and E - Emergency i.e. work with a sense of urgency.
For more relevant job opportunities please visit our website: Denken Solutions Careers