Linux / Unix Systems Administrator Jobs in California

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Software Engineer 4 - DR1013106

Juniper Networks

•

Sunnyvale, California, USA

Full-time

At Juniper, we believe the network is the single greatest vehicle for knowledge, understanding, and human advancement the world has ever known. To achieve real outcomes, we know that experience is the most important requirement for networking teams and the people they serve. Delivering an experience-first, AI-Native Network pivots on the creativity and commitment of our people. It requires a consistent and committed practice, something we call the Juniper Way. CloudOps Automation Engineer Loc
Posted 60+ days ago | Updated 10 hours ago

Software Engineer

Ameriprise Financial

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Remote or Minneapolis, Minnesota, USA

Full-time

Ameriprise Financial, Inc. seeks a Software Engineer, in Minneapolis, MN. Key Responsibilities To design, code, test, implement, maintain, and support application software that is delivered on time and within budget. Work closely with customers, business analysts, technology, and project teams to understand business requirements, drive the analysis and design of quality technical solutions that are aligned with business and technology strategies, and comply with the organization's architectura
Posted 16 days ago | Updated 10 hours ago

Software Engineer, Data - Top Secret Clearance

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SOFTWARE ENGINEER, DATA - TOP SECRET CLEARANCE As a Software Engineer in Special Programs, you will design, develop, and test key aspects of an in-house solution for analysis, simulation, and prototyping of software i
Posted 60+ days ago | Updated 10 hours ago

System Administrator

Kriaanet Inc

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Remote

Full-time

Job Title:Systems administrationLocation: Honolulu, HI - REMOTEDuration: Long TermJob Description:Provide support for Microsoft Windows Active Directory infrastructure including domain controllers, file servers and Dynamic Host Configuration Protocol (DHCP) servers.Provide integration support for Red Hat Linux server and workstation infrastructure.Lead enterprise Windows configurations for NWS PR.Upgrade systems to the latest Microsoft operating system (OS) version.Provide support for Microsoft
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Posted 23 days ago | Updated 1 day ago

Senior Site Reliability Engineer, Product - USDS

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A215600 Apply to this job Share this listing: Responsibilities Team Intro: The Product Engineering team monitors and maintains the availability of TikTok, including services such as video playback, content discovery/recommendations, live streaming, and customer service feedback. In order to enhance collaboration and cross-functional partnerships, among other things, at this time, our organization follows a hybrid work schedule that
Posted 60+ days ago | Updated 10 hours ago

Senior IT Systems Engineer

Lockheed Martin Corporation

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Remote or Cope, Colorado, USA

Full-time

Job Description As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible produc
Posted 60+ days ago | Updated 10 hours ago

Lead Software Engineering- Middleware Reliability Engineering

Visa Inc.

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Foster City, California, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 57 days ago | Updated 10 hours ago

Embedded Software Engineer

Altech Star Inc.

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San Jose, California, USA

Contract, Third Party

Experience in embedded Linux software, drivers, file systems and kernel development Outstanding proficiency in C/C++ on resource-constrained embedded platforms Strong Linux filesystem, Kernel, Shell scripting, IPC, watchdog timers experience Experience in coding with NVIDIA GPU and CPU/GPU processing . General user-level and Linux administration experience Experience with networking, concurrency, and distributed systems Experience with open-source environments and development tools, such as Li
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Posted 9 days ago

space software engineer

Altech Star Inc.

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San Jose, California, USA

Contract, Third Party

Experience in embedded Linux software, drivers, file systems and kernel development Outstanding proficiency in C/C++ on resource-constrained embedded platforms Strong Linux filesystem, Kernel, Shell scripting, IPC, watchdog timers experience Experience in coding with NVIDIA GPU and CPU/GPU processing . General user-level and Linux administration experience Experience with networking, concurrency, and distributed systems Experience with open-source environments and development tools, such as Li
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Posted 10 days ago

Sr. Software Security Engineer

Cadence Design Systems Inc

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San Jose, California, USA

Full-time

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology. Cadence's Information Security team is seeking a Sr. Software Security Engineer. This role will focus on Cloud and on-premise Software Security controls including WAF and CDN tools. This is a Security Development Operations role that will ensure security tool integration at the source code repo (Perforce, Github etc.), build environment, and artifactory level. As a member of the Informa
Posted 46 days ago | Updated 10 hours ago

Hardware Verification Engineering Intern/ Co-Op (Graduate | Fall 2025 | Hybrid)

AMD (Advanced Micro Devices)

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Remote or Austin, Texas, USA

Full-time

WHAT YOU DO AT AMD CHANGES EVERYTHING We care deeply about transforming lives with AMD technology to enrich our industry, our communities, and the world. Our mission is to build great products that accelerate next-generation computing experiences - the building blocks for the data center, artificial intelligence, PCs, gaming and embedded. Underpinning our mission is the AMD culture. We push the limits of innovation to solve the world's most important challenges. We strive for execution excellen
Posted 60+ days ago | Updated 10 hours ago

Hardware Verification Engineering Intern/ Co-Op (Graduate | Fall 2025 | Hybrid)

AMD (Advanced Micro Devices)

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Remote or San Jose, California, USA

Full-time

WHAT YOU DO AT AMD CHANGES EVERYTHING We care deeply about transforming lives with AMD technology to enrich our industry, our communities, and the world. Our mission is to build great products that accelerate next-generation computing experiences - the building blocks for the data center, artificial intelligence, PCs, gaming and embedded. Underpinning our mission is the AMD culture. We push the limits of innovation to solve the world's most important challenges. We strive for execution excellen
Posted 60+ days ago | Updated 10 hours ago

Java Rates Algo Developer - AVP (Hybrid)

Citi

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Remote or New York, New York, USA

Full-time

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications de
Posted 60+ days ago | Updated 10 hours ago

Hardware Design Engineering Intern/ Co-Op (Graduate | Fall 2025 | Hybrid)

AMD (Advanced Micro Devices)

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Remote or Austin, Texas, USA

Full-time

WHAT YOU DO AT AMD CHANGES EVERYTHING We care deeply about transforming lives with AMD technology to enrich our industry, our communities, and the world. Our mission is to build great products that accelerate next-generation computing experiences - the building blocks for the data center, artificial intelligence, PCs, gaming and embedded. Underpinning our mission is the AMD culture. We push the limits of innovation to solve the world's most important challenges. We strive for execution excellen
Posted 60+ days ago | Updated 10 hours ago

Data Ingestion SRE, Data Platform - USDS

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A218312 Apply to this job Share this listing: Responsibilities Site Reliability Engineering (SRE) combines software and systems engineering to build and run large-scale, massively distributed services and infrastructures. As a site reliability engineer in the data platform area, you will have the opportunity to manage the services and infrastructures in one of the largest dataplaforms in the world that directly supports the TikTok a
Posted 60+ days ago | Updated 10 hours ago

Data Ingestion SRE, Data Platform -USDS

TikTok

•

Los Angeles, California, USA

Full-time

Location : Los Angeles Employment Type : Regular Job Code : A259491 Apply to this job Share this listing: Responsibilities Site Reliability Engineering (SRE) combines software and systems engineering to build and run large-scale, massively distributed services and infrastructures. As a site reliability engineer in the data platform area, you will have the opportunity to manage the services and infrastructures in one of the largest data plaforms in the world that directly supports the TikT
Posted 60+ days ago | Updated 10 hours ago

Software Security Architect

Cadence Design Systems Inc

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San Jose, California, USA

Full-time

At Cadence, we hire and develop leaders and innovators who want to make an impact on the world of technology. Cadence's Information Security team is seeking a Software Security Architect. This role will focus on Cloud and on-premise Software Security controls including WAF and CDN tools. Additionally, this is truly a Security Development Operations role that will ensure security tool integration at the source code repo, build, and artifactory level. As a member of the Information Security team,
Posted 46 days ago | Updated 10 hours ago

Tech lead Site Reliability Engineer, Edge - USDS

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A104498 Apply to this job Share this listing: Responsibilities Site Reliability Engineering combines software and system engineering with system operations to build and run large-scale, massively distributed infrastructure. Our Edge SREs ensure infrastructure services are reliable, fault-tolerant, efficiently scalable and cost-effective. We dive deep into the stack, including network, hardware, OS, and applications, to quickly resol
Posted 57 days ago | Updated 10 hours ago

Senior Site Reliability Engineer, HPC and LSF

NVIDIA Corporation

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Santa Clara, California, USA

Full-time

NVIDIA is the leader in AI, machine learning and datacenter acceleration. NVIDIA is expanding that leadership into datacenter networking with ethernet switches, NICs and DPUs NVIDIA has continuously reinvented itself over two decades. Our invention of the GPU in 1999 sparked the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI - the next era of computing. NVIDIA is a "learning machine" th
Posted 60+ days ago | Updated 10 hours ago

DevOps Engineer Middleware & Cloud Infrastructure

AspireIT Solutions

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California, USA

Contract

Job Title: DevOps Engineer Middleware & Cloud Infrastructure Location: Elk Grove, CA Job Type: Contract Job Description: We are seeking a seasoned DevOps Engineer to lead infrastructure design, deployment, and support across critical customer-facing systems. The ideal candidate will have strong experience with AWS (EKS), middleware operations, Kubernetes, and system monitoring tools, along with a deep understanding of security, scalability, and high availability standards. Key Responsibilitie
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Posted 13 hours ago | Updated 1 hour ago