Senior Systems Engineer

TPx is a company focused on enterprise collaboration and identity solutions, and they are seeking a Senior Systems Engineer. This role involves designing, implementing, securing, and maintaining various enterprise platforms while providing leadership and mentorship to junior team members.

Responsibilities:

• Architect, administer, and optimize Microsoft 365 services including Exchange Online, Teams, OneDrive, SharePoint Online, and related security/compliance components
• Manage Entra ID (Azure AD) including conditional access policies, identity governance, SSO integrations, MFA/2FA, and hybrid identity synchronization (Entra Connect)
• Implement and maintain M365 security including DLP, threat protection, and compliance configurations
• Administer and maintain Exchange Online, mail flow, transport rules, and hybrid configurations
• Oversee and enhance on premises Active Directory including GPO design, DNS, DHCP, identity lifecycle management, and replication health
• Design and implement infrastructure automation using PowerShell and scripting methodologies
• Lead and contribute to infrastructure, cloud modernization, and migration projects
• Develop and maintain comprehensive documentation for architectures, configurations, procedures, and standards
• Collaborate with other System Administrators to manage TPx infrastructure (data center and cloud-based infrastructure)
• Provide input on ways to improve the stability, security, efficiency, and scalability of the environment
• Develop, implement, and maintain policies, procedures, and associated training plans for system administration, usage, and disaster recovery
• Follow and update project plans, schedules, and related project documentation
• Research new and maintain existing technologies
• Respond to monitoring alerts/pages and troubleshoot problem areas as needed
• Adhere to IT access-management and change control procedures
• Collaborate cross-functionally to develop automation and deployment strategies
• Work effectively in a team environment

Requirements:

• Bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent experience
• 7+ years of enterprise infrastructure experience, including 3+ years focused on Microsoft 365 and cloud identity platforms
• Expert-level administration of Microsoft 365, Entra ID, and on-prem Active Directory
• Strong knowledge of Microsoft security and compliance frameworks
• Advanced experience with Windows and Linux operating systems, including system installation, maintenance, patching, troubleshooting, and cross-platform integrations
• Proficiency in PowerShell and Bash scripting for automation and operational efficiency
• Experience supporting hybrid and cloud environments, including AWS and Azure
• Solid experience with PKI leveraging public and private CAs, reverse proxies, VMware administration, backup technologies, and secure baseline configurations
• Strong analytical and problem-solving capabilities, effective communication skills, and the ability to work independently and collaboratively in high-pressure environments while maintaining a customer-focused mindset
• Flexibility to work occasional evenings or weekends to support maintenance or project cutovers
• Microsoft certifications (MCSE, MCP)
• Experience with VMware administration and backup technologies
• Experience with PKI / Certificate Services beyond core administration
• Understanding of or ability to script in Perl
• Experience developing and maintaining secure baselines
• Ability to present technical ideas in user-friendly language