Staff Infrastructure Engineer

Staff Infrastructure EngineerThe IT Infrastructure Engineer is responsible for designing, implementing, maintaining, and supporting core enterprise infrastructure services across on-premises and cloud environments. This role ensures high availability, security, and performance of critical systems while partnering closely with cross-functional IT and business teams.Key ResponsibilitiesNetwork & Systems Engineering Design, implement, and support network infrastructure with strong understanding of Layer 2 and Layer 3 networking concepts, routing, switching, VLANs, ACLs, and wireless technologies.Configure, manage, and optimize multi-vendor switches, wireless access points, routers, and firewalls.Administer and support Windows Server, Active Directory, and related identity services.Support cloud services (Azure preferred), including IaaS, PaaS, identity, automation, and monitoring capabilities.Operational Support & Troubleshooting Diagnose and resolve infrastructure issues across network, server, cloud, and authentication platforms to minimize downtime.Provide escalation support to help desk, applications, and other technical teams.Participate in root-cause analysis and implement corrective or preventive measures.Performance, Monitoring & Documentation Monitor network and system performance, identify bottlenecks, and implement improvements.Maintain accurate infrastructure documentation (configs, diagrams, runbooks, IP subnets, change histories).Security & Compliance Implement and maintain security controls, including firewalls, VLAN segmentation, ACLs, and secure configuration standards.Ensure solutions comply with enterprise standards and applicable regulations.Project Work & Collaboration Work on infrastructure projects such as cloud migrations, system upgrades, network redesigns, and technology deployments.Collaborate with other IT teams, business partners, and external vendors to deliver effective infrastructure solutions.Qualifications RequiredBachelor's degree in Computer Science, Information Technology, or equivalent experience.5–10 years experience in enterprise infrastructure roles covering networking, Windows systems, and/or cloud platforms.Experience with multi-vendor firewalls, switches, wireless, IPv4, routing protocols, NAT, VPNs, VLANs, etc.Experience with Azure or other cloud platforms.PreferredExperience with SaaS infrastructure platforms and SSO/identity solutions.Strong analytical, documentation, and communication skills.Ability to work independently, adapt quickly, and manage priorities in a dynamic environment.Soft SkillsStrong problem-solving mindset and ability to work under pressure.Team-oriented collaborator with ability to influence without direct authority.Customer-focused, organized, detail-oriented, and proactive in learning new technologies.Compensation: $130k-$148k, depending on experience.