Mid-Level Network Infrastructure Engineer

Title: Mid-Level Network Infrastructure Engineer Location: Phoenix, AZ / Hybrid Type: Perm Compensation: $90,000 - $120,000

We are seeking a hands‑on Mid-Level Network Infrastructure Engineer to support and maintain a hybrid infrastructure environment serving a growing SaaS organization. This role is ideal for an engineer with 3-5 years of experience who enjoys working across networking, systems administration, cloud technologies, and security. The successful candidate will play a key role in supporting day‑to‑day infrastructure operations, improving reliability and security, and contributing to modernization initiatives as the organization continues its transition toward a cloud‑first architecture.

Working closely with engineering leadership and external partners, this individual will help maintain critical infrastructure while gaining exposure to cloud transformation, automation, compliance, and security best practices.

• Support and maintain a hybrid infrastructure environment spanning colocated data centers and Microsoft Azure
• Assist in ensuring system uptime, reliability, backup processes, and disaster recovery readiness
• Administer Windows Server environments, Active Directory, Microsoft Entra , networking equipment, firewalls, VPNs, and related infrastructure services
• Monitor infrastructure performance and troubleshoot issues impacting availability, security, or performance
• Assist with infrastructure upgrades, hardware refreshes, and system improvements
• Maintain technical documentation, network diagrams, system inventories, and operational procedures

• Support Azure administration and cloud‑based services
• Participate in cloud migration and modernization initiatives
• Assist with infrastructure automation, infrastructure‑as‑code, and deployment process improvements
• Collaborate with engineering teams to support application deployments and infrastructure requirements
• Help implement scalable and reliable cloud solutions aligned with business needs

• Assist with security monitoring, vulnerability remediation, endpoint protection, and access management
• Help maintain security controls across on‑premises and cloud environments
• Participate in incident response activities and security investigations as needed
• Support SOC 2 Type II compliance efforts, including evidence collection, policy reviews, audit preparation, and remediation activities
• Assist in responding to customer security questionnaires and compliance‑related requests

• Work with managed service providers and technology vendors to support infrastructure operations
• Coordinate with internal stakeholders to resolve infrastructure and security‑related issues
• Contribute recommendations for improving operational processes, security posture, and system reliability

• Gain familiarity with the current infrastructure environment and architecture
• Develop an understanding of operational procedures, systems, and dependencies
• Take ownership of assigned infrastructure support responsibilities
• Build relationships with engineering leadership, vendors, and key stakeholders
• Contribute to documentation and process improvement efforts

• Become a trusted contributor to infrastructure and security operations
• Help improve system reliability, monitoring, and operational efficiency
• Support cloud migration and modernization initiatives
• Contribute to security improvements and compliance activities
• Assist in implementing automation and infrastructure enhancements
• Demonstrate increasing ownership of projects and operational responsibilities

• 3-5 years of experience supporting production infrastructure environments
• Experience working with Microsoft Azure and cloud‑based services
• Experience administering Windows Server and Active Directory environments
• Knowledge of networking fundamentals, firewalls, VPNs, DNS, and related infrastructure technologies
• Experience supporting endpoint security, access management, or vulnerability remediation efforts
• Strong troubleshooting and problem‑solving skills
• Ability to manage multiple…