Staff Infrastructure Engineer
Role details
Job location
Tech stack
Job description
The 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., + Network & Systems Engineering
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Design, implement, and support network infrastructure with strong understanding of Layer 2 and Layer 3 networking concepts, routing, switching, VLANs, ACLs, and wireless technologies.
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Configure, manage, and optimize multi-vendor switches, wireless access points, routers, and firewalls.
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Administer and support Windows Server, Active Directory, and related identity services.
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Support cloud services (Azure preferred), including IaaS, PaaS, identity, automation, and monitoring capabilities.
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Operational Support & Troubleshooting
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Diagnose and resolve infrastructure issues across network, server, cloud, and authentication platforms to minimize downtime.
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Provide escalation support to help desk, applications, and other technical teams.
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Participate in root-cause analysis and implement corrective or preventive measures.
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Performance, Monitoring & Documentation
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Monitor network and system performance, identify bottlenecks, and implement improvements.
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Maintain accurate infrastructure documentation (configs, diagrams, runbooks, IP subnets, change histories).
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Security & Compliance
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Implement and maintain security controls, including firewalls, VLAN segmentation, ACLs, and secure configuration standards.
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Ensure solutions comply with enterprise standards and applicable regulations.
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Project Work & Collaboration
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Work on infrastructure projects such as cloud migrations, system upgrades, network redesigns, and technology deployments.
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Collaborate with other IT teams, business partners, and external vendors to deliver effective infrastructure solutions.
Requirements
Required
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Bachelor's degree in Computer Science, Information Technology, or equivalent experience.
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5-10 years experience in enterprise infrastructure roles covering networking, Windows systems, and/or cloud platforms.
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Experience with multi-vendor firewalls, switches, wireless, IPv4, routing protocols, NAT, VPNs, VLANs, etc.
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Experience with Azure or other cloud platforms.
Preferred
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Experience with SaaS infrastructure platforms and SSO/identity solutions.
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Strong analytical, documentation, and communication skills.
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Ability to work independently, adapt quickly, and manage priorities in a dynamic environment.
Soft Skills
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Strong problem-solving mindset and ability to work under pressure.
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Team-oriented collaborator with ability to influence without direct authority.
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Customer-focused, organized, detail-oriented, and proactive in learning new technologies.
Benefits & conditions
Compensation: $130k-$148k, depending on experience
#LI-JS1 #LI-Hybrid
Benefits Overview
401(k) Plan with Company Match: Currently match contributions dollar-for-dollar up to 4% of eligible pay; immediate vesting.
Health & Welfare Benefits: Employer provided medical, dental, vision, prescription drug, Employee Assistance Program and accident & illness coverage.
Life and Disability Insurance : Employer provided basic life insurance and AD&D valued at 50K coverage amount with the option for voluntary buy up for additional coverage.
Time Off: Flexible non-accrual vacation; company holidays per policy. (For California employees, this is separate from California paid sick leave, if applicable.)
Expenses : Business travel and related expenses reimbursed per company policy.
Reasonable Accommodations
If you need assistance or accommodations during the application or interview process, please contact us at ta@wearelegence.com or your dedicated recruiter with the job title and requisition number.
Employment Eligibility
Candidates must have current work authorization in the U.S.; visa sponsorship is not available for this position.
Third-Party Recruiting Disclaimer
Legence and its affiliates do not accept unsolicited resumes from agencies; any such submissions without a prior signed agreement authorized by Legence Holdings LLC's CHRO or Director of Talent Acquisition will not incur fees and are considered property of Legence.
Pay Disclosure & Considerations
Where pay ranges are indicated, please note that a successful candidate's exact pay will be determined based relevant job-related factors, including any of the following: candidate's experience, skills, and qualifications, as well as geographic and market considerations. We are committed to ensuring fair and competitive compensation for all employees and comply with all applicable salary transparency laws.