SirenOpt · 2 hours ago
Lead Infrastructure Engineer
San Leandro, California
Full-time
Onsite
Lead/Staff
$193K/yr - $245K/yrSirenOpt is a company that aids manufacturers in creating better micro- and nano-materials essential for various industries. As a Lead Infrastructure Engineer, you will lead the design and improvement of on-premises infrastructure, manage a team of engineers, and ensure robust and secure infrastructure solutions while fostering a collaborative team environment.
AerospaceBatteryElectronicsManufacturingSemiconductorSoftware
Responsibilities
Lead the design, deployment, and ongoing improvement of our on-premises infrastructure, primarily built with Proxmox, Ceph, and open-source tooling
Architect and maintain robust, scalable, and secure infrastructure solutions
Oversee capacity planning, load testing, failover, and security hardening initiatives
Guide strategic decision-making for tooling, processes, and infrastructure investments
Manage and mentor a team of engineers, fostering continuous learning and professional growth
Drive the hiring process for new team members, focusing on building a collaborative and high-performing team
Develop and maintain automation with Terraform and Ansible for cluster and network management
Lead incident response, root cause analysis, and remediation efforts with calm and clarity
Represent the infrastructure team in cross-functional projects and company-wide discussions
Continuously assess and improve operational procedures and documentation
Qualification
Required
Deep experience managing on-premise clusters using Proxmox and Ceph
Demonstrated expertise with infrastructure automation using Terraform and Ansible
Strong background in network infrastructure design, implementation, and troubleshooting
Proven ability to lead projects and teams, including hiring and mentoring engineers
Experience with scaling, monitoring, failover, and disaster recovery for critical systems
Track record of making strategic architectural decisions and communicating them effectively
Exceptional communication skills under pressure and in cross-team environments
Commitment to collaborative leadership, team development, and knowledge sharing
Preferred
Experience supporting or leading ISO 27001 and SOC II compliance initiatives
Familiarity with other virtualization and storage platforms
Exposure to cloud and hybrid infrastructure environments
Scripting or programming experience (Python, Bash, etc.)
Prior participation in open-source infrastructure projects
Experience building and maintaining infrastructure monitoring and alerting systems
Background in developing infrastructure-related documentation and runbooks
Involvement in technical community leadership or mentorship programs
Benefits
Equity and Salary compensation depends on experience
Health, Dental, Vision plans provided
401k matching provided
Time off: 20 days of PTO per year, plus approximately 15 paid US holidays per year
Company
SirenOpt
SirenOpt provides manufacturing intelligence solutions for nanoscale materials used in semiconductors, electronics, batteries, and aerospace
Founded in 2022
11-50 employees
H1B Sponsorship
SirenOpt has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (1)
2023 (1)
Funding
Current Stage
Early StageTotal Funding
$18.5MKey Investors
California Energy Commission
2025-10-14Series Unknown· $6.5M
2025-10-09Grant· $2.4M
2024-07-23Seed· $6.6M
Leadership Team
Jared O'Leary
Co-Founder & CEO
Ali Mesbah
Co-Founder
Recent News
globalventuring.com
2025-10-16
Google Patent
2025-02-08
Company data provided by crunchbase