Senior Infrastructure Engineer

Stream Realty • Dallas, TX

29d • Hybrid

About The Position

The Senior Infrastructure Engineer is a jack of all trades role, whose primary skill is being able to research and find solutions to tackle almost any problem they are challenged with. You will be responsible for designing, securing, and maintaining Stream IT’s core infrastructure with a strong emphasis on Microsoft Azure and Fortinet technologies. This role supports hybrid cloud environments, leads modernization initiatives, and serves as a senior escalation point for complex network, identity, and systems issues.

Requirements

• 5+ years experience in infrastructure engineering or similar roles.
• Strong hands-on experience with Fortinet firewalls and technologies.
• Advanced Azure experience across compute, networking, identity, and automation.
• Hybrid AD/Entra ID administration experience.
• Strong networking (TCP/IP, VLANs, routing, VPN).
• Automation experience with PowerShell, Terraform, or similar.

Nice To Haves

• Fortinet NSE 4–6 certifications.
• Microsoft AZ‑104, AZ‑305, or AZ‑500 certifications.
• Experience with Intune, M365 security, and configuration baselines.
• Familiarity with Halo ITSM.
• Experience supporting SOC 2 / NIST CSF compliance.

Responsibilities

• Architect, deploy, and maintain Azure IaaS/PaaS (VMs, VNets, NSGs, Load Balancers, Azure Front Door, Azure Arc).
• Build resilient hybrid-cloud solutions aligned with zero-trust and Stream IT security standards.
• Administer Windows Server, Active Directory, DNS, DHCP, Intune.
• Configure and manage FortiGate firewalls: policies, NAT, VPN (Client & site-to-site IPsec), HA, and SD-WAN.
• Manage FortiSwitch and FortiAP for secured campus and branch connectivity.
• Utilize FortiManager and FortiAnalyzer for centralized management, analytics, and compliance.
• Support network segmentation, secure remote access, and zero-trust enforcement.
• Support on-prem and cloud identity (AD, Entra ID, SSO, Conditional Access, MFA).
• Ensure uptime and performance for critical infrastructure systems.
• Support backup/DR strategy based on Stream IT’s continuity framework.
• Serve as Tier III escalation for infrastructure, network, and identity incidents.
• Write SOPs, runbooks, and architectural documentation.
• Participate in on-call rotation and scheduled maintenance windows.
• Partner with Help Desk, Infrastructure, and Business Ops teams.

Benefits

• competitive salaries
• bonuses
• medical/dental/vision insurance
• pharmacy benefits
• health savings account
• flexible spending accounts
• 401(k) plan with company matching
• PTO
• holiday pay

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 1,001-5,000 employees