Staff Infrastructure Engineer
Not Disclosed•Full-TimeHybrid
location_on884, Jansen Avenue, Willow Glen, San Jose, Santa Clara County, California, 95125, United States
About Legence
Legence is a leading provider of engineering, consulting, installation, and maintenance services for mission-critical systems in buildings. We specialize in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems. Our mission is to enhance energy efficiency, reliability, and sustainability in both new and existing facilities through strategic upgrades and holistic solutions.
Serving some of the world's most technically demanding sectors, Legence counts over 60% of the Nasdaq-100 Index among its clients. We are committed to delivering long-term performance and operational excellence for our partners.
About the Role
As a Staff Infrastructure Engineer, you will serve as a cornerstone of our IT operations, responsible for designing, implementing, maintaining, and supporting core enterprise infrastructure services across both on-premises and cloud environments. This role is critical to ensuring the high availability, security, and performance of the systems that power our business.
You will partner closely with cross-functional IT and business teams to drive infrastructure projects, including cloud migrations, system upgrades, and network redesigns. Your day-to-day involves diagnosing complex infrastructure issues, optimizing multi-vendor network and cloud environments, and collaborating with external vendors to deliver effective solutions. You will play a key role in maintaining accurate documentation and implementing security controls that comply with enterprise standards and regulations.
Hiring Process
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.
Candidates must have current work authorization in the U.S.; visa sponsorship is not available for this position.
Equal Opportunity Employer
Legence and its affiliate companies are proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), marital or familial status, national origin, age, disability, genetic information, political affiliation, military service, or any other characteristic protected under applicable local, state, or federal laws and regulations.
Work location
Work model: Hybrid
884, Jansen Avenue, Willow Glen, San Jose, Santa Clara County, California, 95125, United States
San Jose, California
Key Responsibilities
- check_circleDesign, implement, and support Layer 2 and Layer 3 network infrastructure including routing, switching, and wireless technologies
- check_circleConfigure and optimize multi-vendor switches, routers, firewalls, and wireless access points
- check_circleAdminister Windows Server, Active Directory, and related identity services
- check_circleSupport cloud services on Azure including IaaS, PaaS, identity, automation, and monitoring
- check_circleDiagnose and resolve infrastructure issues across network, server, and cloud platforms to minimize downtime
- check_circleMonitor network and system performance to identify bottlenecks and implement improvements
- check_circleImplement security controls such as VLAN segmentation and secure configuration standards
- check_circleLead infrastructure projects including cloud migrations, system upgrades, and network redesigns
Requirements
- verifiedBachelor's degree in Computer Science, Information Technology, or equivalent experience
- verified5-10 years experience in enterprise infrastructure roles
- verifiedExperience with multi-vendor firewalls, switches, wireless, IPv4, routing protocols, NAT, VPNs, VLANs
- verifiedExperience with Azure or other cloud platforms
- verifiedCurrent work authorization in the U.S.
Nice to Have
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.
Benefits & Perks
check_circle401(k) Plan with Company Match: Dollar-for-dollar match up to 4% of eligible pay with immediate vestingcheck_circleHealth & Welfare Benefits: Employer provided medical, dental, vision, prescription drug, EAP, and accident & illness coveragecheck_circleLife and Disability Insurance: Employer provided basic life and AD&D valued at 50K with voluntary buy-up optionsTime Off: Flexible non-accrual vacation and company holidays per policy
Similar Job Opportunities
Skills, education and keywords
Skills: Layer 2, Layer 3, Routing, Switching, Vlans, Wireless, Windows Server, Active Directory, Azure, Iaas.
Education: Bachelor's degree in Computer Science, Information Technology, or equivalent experience.
Frequently asked questions about Staff Infrastructure Engineer at Legence
What does a Staff Infrastructure Engineer at Legence do?expand_more
A Staff Infrastructure Engineer at Legence is responsible for the following: Design, implement, and support Layer 2 and Layer 3 network infrastructure including routing, switching, and wireless technologies; Configure and optimize multi-vendor switches, routers, firewalls, and wireless access points; Administer Windows Server, Active Directory, and related identity services; and Support cloud services on Azure including IaaS, PaaS, identity, automation, and monitoring.
What are the requirements for this Staff Infrastructure Engineer role?expand_more
To qualify for the Staff Infrastructure Engineer at Legence position, applicants should have: Bachelor's degree in Computer Science, Information Technology, or equivalent experience; 5-10 years experience in enterprise infrastructure roles; Experience with multi-vendor firewalls, switches, wireless, IPv4, routing protocols, NAT, VPNs, VLANs; Experience with Azure or other cloud platforms; and Current work authorization in the U.S..
Where is the Staff Infrastructure Engineer role at Legence located?expand_more
Staff Infrastructure Engineer at Legence is based in 884, Jansen Avenue, Willow Glen, San Jose, Santa Clara County, California, 95125, United States. This is a hybrid role.
Is this Staff Infrastructure Engineer job remote, hybrid, or on-site?expand_more
Legence has listed this Staff Infrastructure Engineer role as hybrid.
How much experience is required for this Staff Infrastructure Engineer role?expand_more
Staff Infrastructure Engineer at Legence typically requires 5–10 years of relevant experience at the senior level.
What skills do you need for the Staff Infrastructure Engineer role at Legence?expand_more
Key skills for Staff Infrastructure Engineer at Legence include Layer 2; Layer 3; Routing; Switching; Vlans; Wireless; Windows Server; and Active Directory.
What education is required for Staff Infrastructure Engineer at Legence?expand_more
Educational requirements for this role: Bachelor's degree in Computer Science, Information Technology, or equivalent experience.
What category does the Staff Infrastructure Engineer role belong to?expand_more
Staff Infrastructure Engineer at Legence is part of the it job category on Recrutus.