OxyChem · 1 day ago
IT Security & Infrastructure Specialist (Dallas or Houston, TX)
Dallas, TX
Full-time
Hybrid
Senior Level
5+ years expOxyChem is seeking an IT Security and Infrastructure Specialist responsible for designing, maintaining, and improving organizational IT security and infrastructure. The role requires hands-on experience in network security, Azure Cloud security, and Windows Server administration, ensuring robust protection and optimal performance across all platforms and technologies.
Chemicals
Hiring Manager
Dianna Macklin
Responsibilities
Design, implement, and monitor secure network architectures; configure and manage firewalls; enforce zero trust security principles; conduct vulnerability assessments and remediation
Operate and optimize SIEM and endpoint security platforms such as Qradar and SentinelOne; perform incident detection, analysis, and response; develop and maintain security operations procedures
Manage Azure security controls, monitor cloud-based resources, enforce compliance policies, and safeguard cloud workloads against threats
Administer Windows Server environments, including Distributed File Systems (DFS) and network printers; perform routine patching, updates, and troubleshooting; ensure high availability and data integrity
Oversee the installation, configuration, and support of hyperconverged systems; maintain cabling, racks, and other physical infrastructure components; ensure reliable connectivity and hardware performance
Deploy, configure, and support audio/visual equipment for meeting spaces, presentations, and events; troubleshoot AV systems and provide user training as needed
Maintain comprehensive records of configurations, incidents, and maintenance activities; produce regular reports for management and compliance
Work closely with IT application support teams, cyber security, and facilities teams to ensure cohesive operations and rapid issue resolution
Qualification
Required
Bachelor's degree in computer science, Information Technology, or related field (or equivalent experience)
Relevant certifications such as CISSP, CISM, Azure Security Engineer Associate, MCSE, or similar
Minimum 5 years of professional experience in network security, including hands-on firewall management and zero trust implementation
At least 3 years of direct experience with security operations platforms such as Qradar and SentinelOne
Minimum 3 years in Azure Cloud security administration
At least 5 years of Windows Server maintenance, including DFS and printer management
Experience in managing physical infrastructure layers, including hyperconverged systems, cabling, and hardware installation
Demonstrated history of audio/visual system deployment and support in a business environment
Firewall platforms (e.g., Palo Alto, Fortinet, Cisco ASA)
Zero Trust security frameworks
SIEM solutions (Qradar, SentinelOne)
Azure Active Directory and Azure Security Center
Windows Server (2016/2019/2022), Distributed File System (DFS), printer management
Hyperconverged infrastructure platforms (e.g., Nutanix, VMware vSAN)
Audio/Visual technologies (Crestron, Extron, Zoom Rooms, Teams Rooms)
Network cabling and physical infrastructure best practices
Preferred
Strong analytical and problem-solving abilities
Excellent written and verbal communication skills
Ability to work independently and collaboratively in fast-paced environments
Demonstrated commitment to continuous learning and professional development
Experience supporting hybrid and remote work environments
Company
OxyChem
OxyChem, a Berkshire Hathaway company, is a leading producer of essential chemistry with operations in the United States, Canada, and Latin America.
1001-5000 employees
Funding
Current Stage
Late StageCompany data provided by crunchbase