Hiring: Senior Systems Engineer Company: Prosum Location: Los Angeles, CA Job Posted Time: 2026-09-16 22:12:56 Employment Type: Hybrid Target Skills & Keywords : BGP, DNS, PKI, PowerShell, Python, Root Cause Analysis, SQL, SSL, Systems Engineering, TLS, Windows Server About the job Experience: •5+ years of experience in Systems Administration, Infrastructure Engineering, or Systems Engineering roles Required Skills: •Administer, maintain, and optimize enterprise infrastructure environments including virtualization, storage, and networking platforms •Deploy and support VMware, VxRail, and NAS/storage solutions •Design, configure, and troubleshoot Layer 2 and Layer 3 network infrastructure •Manage routing and switching technologies including BGP, OSPF, VLANs, spanning tree, static routing, and EtherChannel/LACP •Configure and maintain enterprise firewall environments including VPNs, NAT policies, and security rules •Troubleshoot WAN/LAN connectivity, fiber, routing, and network performance issues •Manage SSL/TLS certificates and support PKI/Certificate Authority administration •Partner with internal security teams on vulnerability remediation, segmentation, and infrastructure hardening initiatives Qualifications: •Strong hands-on experience supporting enterprise infrastructure and networking environments •Active Directory, DNS, DHCP, and Group Policy •Firewall administration (Palo Alto and/or Meraki preferred) •Backup and disaster recovery solutions •SSL/TLS certificate management and PKI concepts •Scripting or automation experience using PowerShell, Python, SQL, or similar technologies •Strong troubleshooting and problem-solving skills in complex enterprise environments •Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent professional experience Compensation: •$135,000 - $150,000 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!