Linux / Unix Systems Administrator Jobs in California

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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 17 hours ago | Updated 5 hours ago

Big Data Support Engineer (Hybrid)

Citi

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Remote or Jacksonville, Florida, USA

Full-time

Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is
Posted 32 days ago | Updated 2 hours ago

Software Engineering Intern/Co-Op (Undergrad | 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 2 hours ago

Hybrid Network Administrator & Information Security Analyst

General Dynamics

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Remote or Hayward, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: DISA STIG, Network Infrastructures, Splunk Enterprise Security Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Please take this opportunity to join one of GDIT's fastest long-standing growing programs! U
Posted 29 days ago | Updated 2 hours ago

Professional Services Consultant- XSIAM

HCM Staffing and Consulting

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Remote

Contract

Job Description: This Consultant position is an integral part of our mission within our Professional Services team. In this role, you will work on-site with our customer(s), supporting our mission to help them quickly and completely adopt our Security Operating Platform, leaving them more secure. This is a highly technical, hands-on role, and you will develop and maintain expertise-level skillsets on our products and solutions deployed within the customer's environment. Cortex XSOAR orchestratio
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Posted 19 hours ago

FPGA 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

Sr. Full Stack Java Developer C13 VP

Citi

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Remote or Irving, Texas, USA

Full-time

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements
Posted 60+ days ago | Updated 2 hours ago

Cloud Engineer

DP Professionals Inc

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Remote or Columbia, South Carolina, USA

Contract

DPP is seeking a Cloud Engineer for an opportunity in Columbia, SC. Work arrangement: Onsite is highly preferred, but open to remote W2 position; 6 months Candidates who are foreign nationals must have resided in the US for at least three (3) of the last five (5) years prior to assignment to the client s applicable government contract. Position summary: A typical day for a Cloud Engineer involves a mix of building, supporting, automating, and optimizing cloud infrastructure to ensure secure, sca
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Posted 2 days ago | Updated 9 hours ago

Senior Commvault Certified Developer

Cloud and Things

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Remote or Albany, New York, USA

Full-time, Third Party, Contract

Our goal is to solve problems and deliver results for our clients. At Cloud and Things, you can be a part of transforming the public sector's IT environment. Our team is on the forefront of helping to solve the government's most complex IT challenges. If you are seeking a role that offers the opportunity to work on rewarding projects, consider a career with Cloud and Things. *This is an exempt position. Salary commensurate with experience* Overview: We are seeking a Commvault Certified Developer
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Posted 23 days ago | Updated 14 hours ago

Senior Python / Counterparty Credit Risk Senior Application Developer - VP - NEW YORK

Citi

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Remote or New York, New York, USA

Full-time

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deployment, and maintenance of the production derivatives credit risk application, used for internal risk management and regulatory capital purposes. The Counterparty Credit Risk Senior Application Develope
Posted 60+ days ago | Updated 2 hours ago

CDN Site Reliability Engineer (SRE) L5

Netflix, Inc.

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Los Gatos, California, USA

Full-time

Netflix is one of the world's leading entertainment services, with 283 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. How do you spark joy in hundreds of millions of people? It starts with a vision - that technology can give voice to stories around the world. In delivering those much-loved
Posted 60+ days ago | Updated 2 hours ago

Staff/Principal DevOps Engineer (FortiAppSec)

Fortinet

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Sunnyvale, California, USA

Full-time

Job Description We are seeking a highly skilled DevOps Engineer to join our team. In this role, you will design, implement, and maintain scalable, resilient, and secure infrastructure. You will work closely with Development, product, and QA teams to enhance development workflows, optimize CI/CD pipelines, and ensure system reliability. This is a critical position for driving operational excellence and fostering a culture of collaboration between development and operations. Key Responsibilities
Posted 60+ days ago | Updated 2 hours ago

SW Algorithm Engineer

KLA

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Milpitas, California, USA

Full-time

Company Overview KLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. Virtually every electronic device in the world is produced using our technologies. No laptop, smartphone, wearable device, voice-controlled gadget, flexible screen, VR device or smart car would have made it into your hands without us. KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits, packaging, printed circuit boards and flat panel d
Posted 60+ days ago | Updated 2 hours ago

*Senior Risk Intelligence Engineer* - W2 Role

Kellton

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Remote

Third Party, Contract

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Posi
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Posted 16 days ago | Updated 19 hours ago

Technical Product Support Specialist / Application Support - Front-Office - (Multi-Asset) Investment Trading / Charles River Development / AVP

State Street Corporation

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Los Angeles, California, USA

Full-time

This position is located in Los Angeles/Irvine CA. What we are looking for The Technical Post-Production Technical Support Specialist (PPTSS) supports customer post-go-live of the Charles River Investment Management Solution (CRIMS) product. Their contributions include defining new client requirements, configuring and tuning the application to the client's business and technical needs, testing technical workflows and resolving issues. The Specialist will liaise with other Charles River Support
Posted 54 days ago | Updated 2 hours ago

Lead Monitoring Engineer

Mindlance

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Remote

Contract

Lead Monitoring Engineer Location - Washington, District of Columbia Duration: 9 months contract Job Description About the project: This initiative focuses on migrating infrastructure from Go-Cloud to AWS, with Datadog being implemented as the primary monitoring and observability platform. Client is currently in the process of replacing AppDynamics with Datadog and has already completed the migration of SolarWinds and Nagios monitoring capabilities into Datadog. In parallel, they are migrating a
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Posted 8 days 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 14 days ago

System Administrator

BCforward

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Remote

Contract

System Administrator BCforward is currently seeking a highly motivated System Administrator for a remote opportunity! Position Title: System Administrator Location: Remote Anticipated Start Date: ASAP Please note this is the target date and is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: Initial 6 month-contract Job Type: Contract Pay Range: $46/hr-$50/hr Please note that actual compensation may vary within this range due to fact
Posted 10 days ago | Updated 7 hours ago

Sr Data Architect

McKesson Corporation

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Remote or Columbus, Ohio, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 60+ days ago | Updated 2 hours ago

IT Cloud UNIX Engineer - MP1013025

Juniper Networks

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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. IT Cloud UNIX Engineer Location:
Posted 60+ days ago | Updated 2 hours ago