Senior Systems Engineer | Los Angeles

A Senior Systems Engineer is needed to manage and strengthen enterprise technology infrastructure within a professional services environment in Los Angeles. This position provides advanced technical expertise across networking, Windows Server administration, virtualization, security, storage, and disaster recovery while serving as a senior technical resource for complex infrastructure initiatives.

The ideal candidate brings at least five years of systems administration or engineering experience and has hands-on expertise supporting sophisticated, highly available environments. This position requires a combination of deep technical knowledge, strong troubleshooting abilities, and the ability to collaborate effectively with IT colleagues and business users.

The position is fully onsite in Los Angeles during the first 90 days. After the introductory period, the schedule transitions to three days onsite and two days remote per week.

Senior Systems Engineer Responsibilities

Deploy, administer, and optimize virtualization and storage environments, including VMware, VxRail, and NAS technologies.

Design, implement, and maintain Layer 2 and Layer 3 network infrastructure.

Configure and support advanced switching, routing, inter-VLAN routing, and related network technologies.

Administer routing protocols, including BGP, OSPF, and static routes.

Manage VLANs, spanning tree protocols, link aggregation, and other technologies supporting network performance and redundancy.

Configure and maintain firewall policies, NAT rules, VPNs, and network security controls using platforms such as Palo Alto and Meraki.

Troubleshoot complex LAN, WAN, fiber, connectivity, and network performance issues.

Manage SSL/TLS certificates throughout their lifecycle, including issuance, renewal, and PKI/CA administration.

Partner with information security teams on network segmentation, vulnerability remediation, and security initiatives.

Administer Windows Server environments with an emphasis on performance, reliability, and high availability.

Manage Active Directory, DNS, DHCP, Group Policy, organizational units, and related directory services.

Monitor Domain Controller health and replication across multiple locations.

Support Windows Server clustering technologies for file and SQL server environments.

Administer hybrid Exchange environments, including mail flow, mailbox administration, and security policies.

Manage enterprise patching and system compliance processes.

Develop and maintain backup and disaster recovery solutions using Veeam.

Support core technology infrastructure, including computers, printers, phones, internet connectivity, and internal systems.

Provide advanced troubleshooting and root-cause analysis while assisting help desk and other IT teams with escalated technical issues.

Infrastructure, Networking & Automation

The Senior Systems Engineer will serve as a technical resource across both server and network infrastructure. Candidates should be comfortable taking ownership of complex issues, evaluating infrastructure requirements, and implementing solutions that improve reliability, security, scalability, and performance.

Scripting and automation experience using PowerShell, Python, or SQL is required. Candidates should also have hands-on experience with mobile device management and application deployment platforms such as Microsoft Intune, PDQ, Kaseya, or comparable technologies.

Qualifications

Bachelor’s degree in computer science, engineering, or a related technical discipline, or equivalent education, required.

5+ years of experience as a systems administrator, systems engineer, or similar infrastructure professional.

Advanced knowledge of Windows Server administration and enterprise networking.

Experience with VMware, VxRail, NAS, or comparable virtualization and storage technologies.

Strong understanding of Layer 2/Layer 3 networking, routing, switching, VLANs, and network redundancy.

Experience with firewall administration, VPNs, NAT, and network security technologies.

Hands-on Active Directory, DNS, DHCP, and Group Policy experience.

Experience administering hybrid Exchange environments.

Knowledge of Windows Server clustering and high-availability environments.

Experience with SSL/TLS certificate management and PKI/CA administration.

Scripting or automation experience with PowerShell, Python, or SQL required.

Experience with Microsoft Intune, PDQ, Kaseya, or similar deployment and device management tools required.

Strong troubleshooting, analytical, and root-cause analysis skills.

Ability to collaborate effectively with technical teams and business users.

Experience with legal technology platforms such as iManage, Relativity, or Aderant is preferred.

CCNA, CCIE, CISSP, or related technical certifications are preferred.

Work Arrangement & Compensation

Location: Los Angeles, CA

Initial Schedule: Onsite 5 days per week for the first 90 days

Ongoing Schedule: Hybrid, 3 days onsite and 2 days remote

Employment Classification: Exempt

Base Salary: $135,000–$150,000 annually

This Senior Systems Engineer opportunity is well suited for an experienced infrastructure professional who enjoys solving complex technical challenges and taking ownership of business-critical systems. The position offers broad exposure across enterprise networking, server administration, virtualization, security, automation, and disaster recovery within a sophisticated professional services technology environment.

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