IT Infrastructure Engineer (Onsite)

Dexter Technologies
Houston, United States of America
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Houston, United States of America

Tech stack

Microsoft Windows
Microsoft Active Directory
Amazon Web Services (AWS)
Azure
Cloud Computing
Computer Networks
System Configuration
DNS
Microsoft Exchange Server
Identity and Access Management
Information Technology Operations
Virtual Private Networks (VPN)
Network Architecture
Azure
Zero Trust Network Access
TCP/IP
Wide Area Networks
Cloud Platform System
Okta
Software Troubleshooting
Firewalls (Computer Science)
Information Technology
Cisco networks

Job description

  • Manage and support cloud environments (Azure & AWS) including provisioning, monitoring, and optimization
  • Administer and maintain Microsoft Exchange / Microsoft 365 environments
  • Configure and manage Cisco Meraki network infrastructure (LAN/WAN, firewalls, VPNs)
  • Implement and manage identity & access management solutions (Active Directory, Azure AD, Okta)
  • Support Zero Trust security frameworks using tools like Zscaler
  • Monitor and respond to threats using CrowdStrike or similar endpoint security platforms
  • Manage user access control, provisioning/de-provisioning, and role-based access
  • Ensure system security, compliance, and data protection across environments
  • Troubleshoot and resolve infrastructure, network, and security issues
  • Collaborate with cross-functional teams to support IT operations and projects
  • Maintain documentation and follow best practices for system configuration and security

Requirements

  • 4 8+ years of experience in IT infrastructure, cloud, and security roles

  • Strong hands-on experience with:

  • Azure & AWS

  • Cisco Meraki (networking & firewall)

  • Active Directory & Azure AD

  • Microsoft Exchange / M365

Experience with Okta (or similar IAM tools)Exposure to Zscaler / Zero Trust architectureExperience with endpoint security tools (CrowdStrike preferred)Solid understanding of networking concepts (TCP/IP, VPN, DNS, firewalls)Strong troubleshooting and problem-solving skills

Good to Have

  • Certifications (any of the below):

  • Azure / AWS certifications

  • Cisco (CCNA or equivalent)

  • Security certifications (Security+, CISSP, etc.)

Experience in hybrid environmentsKnowledge of compliance frameworks (ISO, SOC2, etc.)

Key Traits

  • Strong ownership and accountability
  • Ability to work across multiple technologies
  • Clear communication with technical and non-technical stakeholders

About the company

Dexter Technologies Inc., is a leading provider of Staffing and Recruiting Services. For over two decades, we have put countless professionals to work at exciting opportunities. We are proud of the fact that many of them have been promoted to more senior roles: management, senior management, and senior executive leadership positions. We are actively seeking qualified candidates for the following position for our client, who is an industry leader

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