Staff Infrastructure Engineer

Key Responsibilities

• 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.
• 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.
• Monitor network and system performance, identify bottlenecks, and implement improvements.
• Maintain accurate infrastructure documentation (configs, diagrams, runbooks, IP subnets, change histories).
• Implement and maintain security controls, including firewalls, VLAN segmentation, ACLs, and secure configuration standards.
• Ensure solutions comply with enterprise standards and applicable regulations.
• 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

• 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

• 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.

Pay

Compensation: $130k-$148k, depending on experience. This role is also eligible for an annual performance-based bonus. Bonus eligibility and payout are determined by role, individual performance, and company performance, and are not guaranteed.

Benefits

• 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.

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

We are committed to ensuring fair and competitive compensation for all employees and comply with all applicable salary transparency laws.