Senior Network Infra & Security Architect - Hybrid & Zero-Trust

LTM; Irving (TX); Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Medical plan

Disability coverage

Company match 401k

Insurance

Parental leave

Job summary

LTM is seeking a Principal Network Infrastructure & Security Architect in Irving, TX (Hybrid). You will lead architecture across SDN, multi-cloud, and zero-trust initiatives to enable secure, high-performance enterprise networks.

The role requires deep experience in large-scale modernization, strong leadership, and the ability to produce end-to-end design artifacts. Excellent communication and collaboration are essential for success.

Qualifications

• 15+ years in software and infrastructure architecture.
• 5+ years in principal/lead architect roles delivering large-scale solutions.
• Proven legacy modernization and cloud-native migration experience.
• Experience with Grafana, Orion, ServiceNow, and BMC.

Responsibilities

• Architect SDN, global load balancing, and hybrid connectivity across data centers and multi-clouds.
• Champion Zero-Trust Network Architecture with micro-segmentation and API gateway topologies.
• Design low-latency topologies and resilient traffic engineering for mission-critical flows.
• Demonstrate strong knowledge of F5 Big-IP, NGINX, PSG, Data Power, HAProxy, and APIGEE.

Skills

Enterprise architecture

Security architecture

SDN design

Zero-Trust

Leadership

Education

Master’s degree

Tools

Grafana

Orion

ServiceNow

BMC

Job description

LTM is seeking a Principal Network Infrastructure & Security Architect in Irving, TX (Hybrid). You will lead architecture across SDN, multi-cloud, and zero-trust initiatives to enable secure, high-performance enterprise networks.

The role requires deep experience in large-scale modernization, strong leadership, and the ability to produce end-to-end design artifacts. Excellent communication and collaboration are essential for success.