Senior IT Systems Administrator

Stress Engineering Services•Houston, TX

3d•Onsite

About The Position

We are seeking a hands-on Systems Administrator to join our IT team and support the day-to-day technology needs of the organization while contributing to infrastructure, cloud, security, and automation initiatives. This is a broad technical role that combines end-user support, systems administration, and project work. The successful candidate will be comfortable resolving everyday support issues while also helping manage and improve technologies including: Microsoft 365, Windows Server, Microsoft Intune, Microsoft Azure, Networking Infrastructure, Power Automate, PowerShell Scripting, and Security & Compliance Solutions. This opportunity is ideal for an IT professional who has progressed beyond traditional desktop support and is ready to take greater ownership of systems, infrastructure, and technology improvement initiatives.

Requirements

3+ years of experience in IT support, systems administration, or a related technical role
Highschool Diploma or equivalent
Strong troubleshooting experience with Windows 10/11 and Microsoft 365
Working knowledge of Active Directory, Group Policy, DNS, DHCP, and Windows Server
Experience supporting Microsoft 365 and Entra ID environments
Experience supporting business networks and network troubleshooting
Ability and willingness to provide hands-on end-user support
Strong communication, documentation, and problem-solving skills
Proven ability to independently research and resolve technical issues
Ability to obtain and maintain a U.S. government security clearance
U.S. citizenship is required for security clearance eligibility

Nice To Haves

Enjoy being a well-rounded IT professional rather than working within a narrow technical specialty
Curiosity and a desire to continue growing into systems administration, cloud technologies, infrastructure, automation, and cybersecurity

Responsibilities

Troubleshoot hardware, software, authentication, connectivity, printing, Microsoft 365, and application issues
Respond to and resolve support tickets while providing excellent customer service
Configure, deploy, and maintain laptops, desktops, mobile devices, and peripherals
Support employee onboarding and offboarding activities
Provide technical assistance for Windows, Microsoft 365, networking, and business applications
Collaborate with other IT team members on daily operations and escalated issues
Administer Microsoft 365, including Exchange Online, SharePoint Online, Teams, and Entra ID
Support Windows Server and Active Directory environments
Manage Microsoft Intune, Autopilot, device compliance, and endpoint management
Assist with Azure and hybrid cloud infrastructure
Support physical and virtual server environments, including Hyper-V
Perform patching, maintenance, monitoring, upgrades, and troubleshooting
Support backup and disaster recovery operations
Assist with network infrastructure, including firewalls, VPNs, switches, VLANs, wireless networks, DNS, and DHCP
Participate in infrastructure upgrades, equipment deployments, and technology projects
Identify opportunities to automate recurring IT and business processes
Develop and maintain Power Automate workflows
Create PowerShell scripts for reporting, deployments, and administration
Assist with Azure Logic Apps, Microsoft Graph API, and integrations
Partner with business teams to improve efficiency through technology solutions
Maintain technical documentation and procedures
Support endpoint and identity security initiatives
Assist with Microsoft Defender, Conditional Access, MFA, BitLocker, and Intune security policies
Participate in vulnerability remediation and endpoint hardening efforts
Support cybersecurity and compliance initiatives
Monitor and respond to security and infrastructure-related issues