Systems Engineer
Texas City, Galveston County, Texas, 77592, USA
Listed on 2026-09-12
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IT/Tech
IT Support, Systems Administrator, Cybersecurity, Cloud Computing: Infrastructure & Operations
ReviveRX
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Summary
The Systems Engineer plays a critical role in maintaining the security, stability, and performance of our enterprise IT infrastructure across both Microsoft and Apple environments. This position owns the day-to-day administration of Microsoft 365, Entra , and Intune, alongside JAMF-based management of our Apple device fleet, ensuring that identity, access, and endpoint compliance are consistently secure and well maintained. Beyond hands-on systems administration, this role provides advanced Tier 2/3 support, leads troubleshooting for complex system issues, and follows disciplined change management practices to keep production environments stable and reliable.
Key Responsibilities- Administer and maintain Microsoft 365 services using Microsoft Admin Center and Entra (formerly Azure AD).
- Manage user identities, access policies, and Single Sign-On (SSO) configurations
- Oversee Microsoft Teams configuration, integration, support, and automation
- Implement and manage device compliance and security policies using Microsoft Intune
- Administer JAMF for Apple device management, including deployment, configuration, and compliance
- Provide Tier 2/3 support for client systems, including Windows and macOS environments
- Monitor system performance, troubleshoot issues, and ensure high availability of IT services
- Collaborate with cross-functional teams to support IT projects and infrastructure upgrades
- Maintain documentation for systems, processes, and configurations
- Ensure compliance with IT security policies and best practices
- Follow change management procedures for all production system updates, including testing, approval, and rollback planning
- Participate in an on-call rotation to respond to critical incidents and after-hours system alerts
- Support disaster recovery and business continuity planning, including regular backup verification and recovery testing
- Conduct periodic access reviews and audits to maintain least-privilege access across systems
- 4+ years of experience in IT systems administration and/or systems engineering roles across Windows and Apple environments
- 3+ years of strong hands-on experience with Microsoft Admin Center, Entra , and Microsoft Intune
- Proficiency in managing Microsoft Teams and configuring SSO solutions
- 3+ years of experience with JAMF for Apple device lifecycle management
- Solid history of client management, endpoint security, and compliance
- Familiarity with scripting and automation (e.g., Power Shell, Bash)
- Working knowledge of networking fundamentals (DNS, DHCP, VPN, firewalls, and TCP/IP)
- Understanding of IT security frameworks and best practices (e.g., least privilege, MFA, patch management, zero trust principles)
- Experience with backup, disaster recovery, and business continuity procedures
- Experience using a ticketing/ITSM system to track, prioritize, and resolve incidents and requests
- Excellent problem-solving skills and attention to detail
- Strong communication and documentation abilities
- Ability to work independently and manage multiple priorities
- Passion for continuous learning and staying current with emerging technologies
- Relevant certifications such as Microsoft Certified:
Modern Desktop Administrator, Microsoft 365 Certified:
Endpoint Administrator Associate, or JAMF Certified Tech - Security-related certification (e.g., CompTIA Security+)
- ITIL Foundation certification or familiarity with ITIL service management practices
- Experience with cloud platforms such as Azure or AWS
- Experience supporting a hybrid or fully remote workforce
- Prior experience in a regulated industry (e.g., healthcare, finance) with associated compliance requirements (e.g., HIPAA, SOC
2)
Physical Requirements
- Primarily in a professional office or home office environment, with regular use of computer systems, security monitoring platforms, and forensic analysis tools throughout the workday
- Regularly required to sit for extended periods while using a computer,…
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