Applications are completed on the employer's own site.
Summary
A senior-level engineering role responsible for maintaining highly available enterprise infrastructure environments across systems, networking, virtualization, and security technologies.
Location: Los Angeles, CA (Hybrid) Schedule: Onsite during onboarding period, then hybrid schedule available Compensation: $135,000–$150,000 base salary + bonus potential Overview
A professional services organization is seeking a Senior Systems Engineer to support and enhance enterprise infrastructure across systems, networking, virtualization, and security technologies. This is a senior-level, hands-on engineering role responsible for maintaining highly available infrastructure environments while contributing to modernization, stability, and operational excellence initiatives.
This opportunity is ideal for an experienced infrastructure engineer who thrives in complex enterprise environments and enjoys working across both systems and networking disciplines. Key Responsibilities
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
Administer Windows Server environments with focus on performance, resiliency, and high availability
Manage Active Directory, DNS, DHCP, Group Policy, and domain controller replication
Support clustering technologies for file services and SQL environments
Maintain Hybrid Exchange environments including mailbox administration and mail flow management
Implement and support patch management, endpoint deployment, and device management solutions
Lead backup, business continuity, and disaster recovery efforts using enterprise backup platforms
Support internal IT infrastructure including desktops, laptops, printers, telephony, and core enterprise services
Collaborate with service desk and infrastructure teams to resolve escalated technical issues and perform root cause analysis
Contribute to infrastructure documentation, operational standards, and process improvement initiatives
Required Qualifications
5+ years of experience in Systems Administration, Infrastructure Engineering, or Systems Engineering roles
Strong hands-on experience supporting enterprise infrastructure and networking environments