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Executive Desktop Linux Systems Engineer Optimisation Jobs in California

LERETA, LLC

Linux Systems Engineer

Pomona, CA · On-site

LERETA is seeking a Linux Systems Engineer to support and enhance our enterprise infrastructure ... optimization, and high availability * Strong hands-on experience in building, securing, and ...

Lereta

Linux Systems Engineer

Pomona, CA · On-site

$959K/yr

LERETA is seeking a Linux Systems Engineer to support and enhance our enterprise infrastructure ... optimization, and high availability * Strong hands-on experience in building, securing, and ...

Ultima Genomics

Senior Linux Systems Engineer

Fremont, CA · On-site

$125K - $150K/yr

The ideal candidate is a hands-on Linux expert who thrives on optimizing performance and building ... engineering teams and propose long-term solutions * Ensure system reliability through regular ...

Prosum

Linux Systems Engineer

Glendale, CA · On-site

Systems Engineers working within the Media Systems and Network Engineering group provide the ... tune systems for optimal performance and 24/7 reliability Investigate, analyze, resolve and ...

Hitachi

Senior Linux Systems Engineer

Santa Clara, CA · On-site

... and optimized. This is your chance to work on cutting-edge Energy Market Management Systems (EMMS ... Engineering, or equivalent experience in years * 5+ years of experience in Linux system ...

OffWorld

Linux Engineer

Pasadena, CA · On-site

... systems, collaborating with engineers and developers to ensure seamless integration and optimal performance. Responsibilities : • Design, configure, and manage Linux-based systems to support ...

SolGenie

Linux System Engineer

Santa Clara, CA · On-site

... systems in a production environment. Responsibilities: * Perform Linux system administration ... Administer and manage VMware infrastructure including provisioning and resource optimization.

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All JobsExecutive Desktop Linux Systems Engineer Optimisation JobsExecutive Desktop Linux Systems Engineer Optimisation Jobs in California

Executive Desktop Linux Systems Engineer Optimisation information

What is the difference between Executive Desktop Linux Systems Engineer Optimisation vs Desktop Linux Systems Engineer?

AspectExecutive Desktop Linux Systems Engineer OptimisationDesktop Linux Systems Engineer
CertificationsLinux certifications, advanced networking, optimization toolsLinux certifications, basic system administration
Work EnvironmentCorporate, enterprise, high-performance environmentsSmall to medium business, technical support roles
ResponsibilitiesSystem optimization, performance tuning, strategic planningSystem setup, maintenance, troubleshooting

The main difference is that the Executive Desktop Linux Systems Engineer Optimisation focuses on enhancing system performance and strategic improvements in enterprise environments, while the Desktop Linux Systems Engineer handles day-to-day system management and support. The optimization role requires advanced skills and a focus on efficiency, whereas the standard engineer emphasizes operational stability.

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Infographic showing various Executive Desktop Linux Systems Engineer Optimisation job openings in California as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
Linux Systems Engineer

Linux Systems Engineer

LERETA, LLC

Pomona, CA • On-site

Full-time

Posted 21 days ago

LERETA rating

7.5

Company rating: 7.5 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

164th of 430 rated business services

Job description

LERETA is seeking a Linux Systems Engineer to support and enhance our enterprise infrastructure environments. The role is responsible for the design, implementation, and ongoing support of Linux-based systems across both cloud and on-premise platforms. The ideal candidate will have strong technical expertise, a disciplined approach to system reliability and security, and the ability to collaborate effectively across technical teams.

Key Responsibilities

  • Linux engineering: Design, harden, and maintain RHEL/Ubuntu systems; implement HA/DR strategies and patching standards.
  • Networking troubleshooting: Diagnose issues across OSI/TCP/IP layers (DNS/DHCP, routing, VLANs, firewalls, SSL/TLS/certs).
  • Load balancing & traffic management: Deploy, configure, and tune F5 BIG‑IP (LTM/GTM, iRules) and HAProxy for L4–L7 services.
  • Azure infrastructure: Build and secure IaaS/PaaS (VMs, VNets, NSGs, UDRs, Azure Load Balancer, Azure Firewall, Storage).
  • Tooling & automation: Develop utilities/services in C* and Python*; integrate with CI; create health checks and runbooks.
  • Observability & performance: Implement metrics/logging; profile and tune kernel/app performance; root‑cause analysis for incidents.
  • Security & compliance: System hardening (SELinux, auditd), secrets management, least‑privilege/IAM alignment, vulnerability remediation.
  • Collaboration: Partner with App/Network/SecOps teams; document architectures/runbooks; contribute to post‑mortems and RCA.

Core Competencies:

  • Expertise in designing, hardening, and maintaining Linux systems (RHEL/Ubuntu) in production environments, with a focus on system security, performance optimization, and high availability
  • Strong hands-on experience in building, securing, and supporting cloud infrastructures across IaaS and PaaS environments, particularly within Microsoft Azure, including virtual machines, networking, storage, and security
  • In-depth understanding of networking protocols and troubleshooting at all OSI/TCP/IP layers. Expertise in diagnosing and resolving issues related to DNS/DHCP, routing, VLANs, firewalls, and SSL/TLS
  • Ability to work effectively in a cross-functional team environment (with App/Network/SecOps teams) to document architectures, create runbooks, and contribute to post-mortems and root cause analysis for incidents

Education and Experience:

  • 10+ years in Linux systems engineering/administration in production environments
  • Experience designing, building, and supporting mission‑critical infrastructure across Azure and on‑prem environments
  • Experience writing C and Python for systems tooling, performance, or networking use cases
  • Hands‑on experience designing, deploying, and tuning F5 BIG‑IP and HAProxy
  • Strong networking fundamentals and troubleshooting (TCP/IP, routing, DNS, SSL/TLS)
  • Practical experience building and supporting Azure infrastructure (compute, networking, storage)
  • Bachelor’s Degree in Computer Science, Information Technology, Engineering, or a related field
  • Equivalent experience in Linux systems engineering, cloud infrastructure, and networking may be considered in place of formal education

Salary range: $95,9471 - $127,000.00

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