Senior Systems and Network Engineer

Blach Construction • San Jose, CA

3d • $125,000 - $160,000 • Onsite

About The Position

The Senior Systems and Network Engineer is responsible for supporting, improving, and modernizing Blach Construction’s core technology infrastructure across network, server, virtualization, endpoint, security, cloud, and business application environments. This hands-on role requires strong technical judgment, accountability, and the ability to operate effectively within a small, business-critical IT team serving Blach’s San Jose headquarters, remote offices, and active job sites.

Requirements

• 8+ years of hands-on experience in systems administration, network engineering, or infrastructure operations; 10+ years preferred
• Strong working knowledge of enterprise networking: switching, routing, VLANs, VPNs, wireless, DNS, and DHCP
• Palo Alto Networks firewall administration required
• Experience administering Windows Server and core infrastructure services
• Experience supporting virtualization platforms (VMware vSphere/ESXi, Proxmox, Hyper-V, or comparable)
• Experience supporting remote offices, branch locations, or distributed work environments
• Experience with Microsoft 365 administration, identity, and cloud security practices
• Working knowledge of Microsoft SQL Server, including backups, permissions, maintenance, and monitoring
• Ability to partner effectively with application vendors, database consultants, and data/reporting stakeholders
• Strong documentation skills; ability to create clear infrastructure diagrams, runbooks, and configuration standards
• Excellent communication skills with both technical and non-technical audiences
• Strong judgment, accountability, and ability to work independently within a small IT team

Nice To Haves

• Cisco network environment experience strongly preferred
• Experience in construction, AEC, or other project-based business environments a plus

Responsibilities

• Support, maintain, and enhance Blach’s network, server, virtualization, endpoint, and core infrastructure environments
• Administer firewall environments, with required Palo Alto Networks experience
• Administer and troubleshoot switching, routing, VLANs, VPNs, wireless networks, DNS, DHCP, and related connectivity services
• Manage Windows Server environments and related infrastructure services
• Support virtualization platforms, including VMware vSphere/ESXi and Proxmox
• Provide technical support for remote offices, job sites, and distributed work environments
• Support Microsoft 365 administration, identity, access management, and collaboration services
• Manage endpoint provisioning, patching, configuration, and lifecycle
• Support backup, recovery, monitoring, alerting, and infrastructure availability practices
• Support database-adjacent infrastructure needs, including SQL Server environments, backups, access controls, and vendor-managed integrations
• Partner with vendors, consultants, and internal stakeholders on application integrations, reporting environments, and data platform initiatives
• Create and maintain technical documentation, including infrastructure diagrams, runbooks, and configuration standards
• Communicate effectively with technical and non-technical users to resolve issues and support business operations
• Partner with IT leadership to improve infrastructure standards, security practices, and long-term scalability

Benefits

• initial three weeks of paid vacation (growing to four weeks after five years of service)
• holidays
• sick leave
• Comprehensive medical, dental, and vision coverage
• 401(k) plan with company match
• Employee Stock Ownership Program (ESOP)
• long-term disability insurance
• cash bonuses based on performance
• professional development
• education assistance
• credit union membership
• annual wellness stipend
• professional affiliations

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed