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Open nowPosted 5 days ago

Staff Infrastructure Engineer

Legence25 open roles

Where
Louisville, KY, USA
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Your applicationOpen nowStaff Infrastructure EngineerLegence · Louisville, KY, USA

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The clock on this job

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Share of postings closed within
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  2. 3.4%3 days
  3. 7.8%7 days
  4. 14.3%14 days
  5. 33.7%30 days
This job: posted 5 days ago

The posting

Staff Infrastructure Engineer  OverviewThe 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 Responsibilities

Network & 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.

QualificationsRequired

Bachelor’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.

Preferred

Experience 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 Skills

Strong 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. #LI-JS1 #LI-Hybrid

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