Senior IT Infrastructure Engineer

Velo3D; Fremont (CA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

401(k) with employer contributions

Team member appreciation awards

Monthly all-hands meetings

Healthcare coverage

Life insurance

Disability insurance

Time off

Job summary

Velo3D is seeking a Senior IT Infrastructure Engineer to design, implement, and maintain the company’s core IT infrastructure across network, server, cloud, and security domains. The role requires hands-on expertise with Fortinet firewalls, VMware, Nutanix, cloud services, identity platforms, endpoint management, and ITSM systems.

You will manage Windows and Linux servers, virtualization platforms, backup/recovery, and hybrid cloud integrations while supporting secure remote access, policy

Qualifications

• Responsible for designing, implementing, supporting, and maintaining the org's core IT infrastructure across network, server, cloud, cybersecurity, identity, endpoint, and backup/disaster recovery.
• Hands-on experience with enterprise infrastructure technologies including firewalls, Fortinet, virtualization platforms, Nutanix, VMware, cloud services, identity platforms, endpoint management, cybersecurity tools, and ITSM systems.
• Design, configure, monitor, and support enterprise network infrastructure (LAN/WAN, VPN, wireless, routing, switching, firewall).
• Administer Fortinet firewalls, VPNs, security policies, NAT rules, routing, IPS/IDS, and network segmentation.

Responsibilities

• Design, implement, and maintain network infrastructure across on-prem and cloud environments.
• Manage Windows and Linux servers including patching, monitoring, performance, and troubleshooting.
• Administer virtualization platforms such as VMware and Nutanix.
• Support hybrid infrastructure integrations between on-premises and cloud platforms.
• Assist with disaster recovery planning, backup validation, and DR testing.
• Provide Tier 2/3 technical support for infrastructure issues and collaborate with security teams.

Skills

Networking & security

Cloud & virtualization

Disaster recovery

Incident response

Documentation & runbooks

Tools

VMware

Nutanix

Fortinet

Azure

AWS

Okta

Intune

Active Directory

ServiceNow

Job description

• The Senior IT Infrastructure Engineer is responsible for designing, implementing, supporting, and maintaining the organization's core IT infrastructure across network, server, cloud, cybersecurity, identity, endpoint, and backup/disaster recovery environments. This role supports reliable, secure, and scalable IT operations while helping protect business systems, users, and data
• The position requires hands-on technical experience with enterprise infrastructure technologies, including firewalls, Fortinet, virtualization platforms, Nutanix, VMware, cloud services, identity platforms, endpoint management, cybersecurity tools, and IT service management systems
• Design, configure, monitor, and support enterprise network infrastructure, including LAN, WAN, VPN, wireless, routing, switching, and firewall environments
• Administer and troubleshoot Fortinet firewalls, VPNs, security policies, NAT rules, routing, IPS/IDS, and network segmentation
• Support secure remote access technologies, including ZTNA solutions
• Assist with network performance monitoring, capacity planning, and availability improvement
• Maintain accurate network diagrams, firewall rules documentation, and infrastructure standards
• Manage Windows and Linux server environments, including patching, monitoring, performance tuning, and troubleshooting
• Administer virtualization platforms such as VMware and Nutanix
• Support compute, storage, and hyperconverged infrastructure environments
• Perform system upgrades, migrations, lifecycle replacements, and infrastructure optimization
• Maintain server hardening standards, baseline configurations, and operational documentation
• Support cloud environments in Microsoft Azure and AWS
• Assist with cloud networking, identity integration, storage, compute, backup, security, and monitoring
• Support hybrid infrastructure integrations between on-premises environments and cloud platforms
• Assist with cloud security controls, access management, logging, and cost optimization
• Administer Active Directory, Group Policy, DNS, DHCP, and related Windows infrastructure services
• Support identity and access management platforms such as Okta and Microsoft Entra ID
• Assist with SSO, MFA, conditional access, role-based access, and account lifecycle management
• Support Microsoft Intune for endpoint enrollment, configuration profiles, compliance policies, application deployment, device security, and remote wipe
• Maintain endpoint standards for laptops, desktops, and servers
• Support cybersecurity tools and processes across endpoint, email, network, identity, and cloud environments
• Administer or support tools such as EDR/XDR, Darktrace, Mimecast, Microsoft Purview, Okta, Fortinet security features, and related monitoring platforms
• Assist with vulnerability management, patch compliance, security alert triage, incident response, and remediation
• Support data protection initiatives, including DLP, retention, classification, encryption, and secure file handling
• Help maintain security documentation, evidence, and controls aligned with company policies and compliance requirements
• Manage backup and recovery platforms for servers, cloud systems, file shares and critical applications
• Support Backup/DR planning, testing, documentation, and recovery validation
• Monitor backup jobs, troubleshoot failures, and ensure recovery objectives are met
• Assist with disaster recovery exercises and infrastructure resilience improvements
• Use ServiceNow or similar ITSM platforms to manage incidents, requests, changes, problems, and operational tasks
• Participate in change management, maintenance windows, root cause analysis, and escalation processes
• Provide Tier 2/Tier 3 technical support for infrastructure-related issues
• Collaborate with IT support teams, security teams, vendors, MSPs, and business stakeholders
• Create and maintain technical documentation, runbooks, diagrams, standards, and procedures

Benefits

• 401(k) with employer contributions
• Team member appreciation awards
• Monthly all-hands meetings
• Healthcare coverage
• Life insurance
• Disability insurance
• Time off