Linux / Unix Systems Administrator Jobs in San Diego, CA

241 - 260 of 334 Jobs

Senior Network EngineerJob Title - Senior Network Engineer

Johnson & JohnsonCompany Name - Johnson & Johnson

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Remote or Santa Clara, California, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m

Virtual Systems Engineer III, Operational TechnologyJob Title - Virtual Systems Engineer III, Operational Technology

Archer Daniels MidlandCompany Name - Archer Daniels Midland

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Remote or Des Moines, Iowa, USA

Full-time

Job Description Virtual Systems Engineer , Operational Technology (OT) This is an exempt level position. ADM would consider placing this position in any large ADM manufacturing facility. Potential locations include: Decatur, IL; Cedar Rapids, IA; Clinton, IA; Marshall, MN; Columbus, NE. Position Summary: As a key member of the Operational Technology (OT) team, you will be responsible for advancing the capabilities and performance of technology systems infrastructure within the ADM OT/Process

IT Support Specialist II - Remote (AZ & TX)Job Title - IT Support Specialist II - Remote (AZ & TX)

DriveTimeCompany Name - DriveTime

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Remote or Tempe, Arizona, USA

Full-time

What's Under the Hood DriveTime Family of Brands is the largest privately owned used car sales finance & servicing company in the nation. Headquartered in Tempe, Arizona and Dallas, Texas, we create opportunities and improve the lives of our customers and our employees by placing a focus on putting the right customer, in the right vehicle, on the right terms and on their path to ownership. The DriveTime Family of Brands spans across DriveTime, Bridgecrest and SilverRock. You can find us at th

ELEs2 Database Analyst Expert - RemoteJob Title - ELEs2 Database Analyst Expert - Remote

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Database Analysis/Design Job Qualifications: Skills: Database Implementation, Database Management, Database Management Systems (DBMS) Certifications: CISSP - ISC2 Experience: 10 + years of related experience ship Required: Yes Job Description: Join General Dynamics IT and be a part of a team that solve some

Senior Infrastructure EngineerJob Title - Senior Infrastructure Engineer

Dimensional Fund Advisors LPCompany Name - Dimensional Fund Advisors LP

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Remote or Charlotte, North Carolina, USA

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol

Network Orchestration Engineer, SeniorJob Title - Network Orchestration Engineer, Senior

LeidosCompany Name - Leidos

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Remote

Full-time

Leidos is seeking a Sr. Network Management Engineer (Orchestration Engineer) to join our AGUN migration team. PROGRAM SUMMARY: The AGUN program is a highly demanding mission and requires expert technical and professional management to support the Army's global wide area network and security infrastructure. You will be supporting a large and complex network migration and operations for the US Army. This role is remote and will include leadership of operations support staff and directing operatio

ELEs2 Database Analyst Expert - RemoteJob Title - ELEs2 Database Analyst Expert - Remote

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Full-time

Systems EngineerJob Title - Systems Engineer

NightwingCompany Name - Nightwing

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Remote or Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Engineer II, SoftwareJob Title - Engineer II, Software

Thermo Fisher ScientificCompany Name - Thermo Fisher Scientific

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Massachusetts, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description COMPANY: Thermo Fisher Scientific Inc. LOCATION: 168 Third Ave, Waltham, MA 02451 TITLE: Engineer II, Software HOURS: Monday to Friday, 8:00 am to 5:00 pm DUTIES: Build, maintain and implement automated test frameworks and tools using standard methodologies. Work with product development team of scientists and engineers to collect requirements and craft interactive scientific software solutions.Develop full s

AWS EngineerJob Title - AWS Engineer

Navigant ConsultingCompany Name - Navigant Consulting

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Remote or McLean, Virginia, USA

Full-time

Job Family: IT Architecture/Cloud Travel Required: Up to 10% Clearance Required: None What You Will Do: Guidehouse is looking for an IT Senior Associate to be a part of our Cloud Management team, with a focus on management of our AWS environment. This individual will work in a team to manage our 900+ virtual machine infrastructure that supports the diverse needs of the organization. Administer and maintain all AWS subscriptions and resources User Management via IAM console and Okta Review AW

Site Reliability Engineer (Temp to Perm)Job Title - Site Reliability Engineer (Temp to Perm)

LeidosCompany Name - Leidos

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Remote or Brownsville, Texas, USA

Full-time

This position will require up to 75% travel Come put your Site Reliability Engineer (SRE) skills into action! Leidos has openings for talented SREs to join our team and work real-time hands-on fielding challenges and develop reusable solutions that support our customers in any environment. You will have the opportunity to contribute to the design requirements and implementation of improvements that accelerate the secure delivery, implementation, and sustainment of software in the field. You wi

Cleared DevOps Cloud Computing Engineer ArchitectJob Title - Cleared DevOps Cloud Computing Engineer Architect

SAICCompany Name - SAIC

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Remote

Full-time

Job ID: 2507849 Location: REMOTE WORK, TX, US Date Posted: 2025-07-23 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: Yes Description SAIC is seeking a highly motivated DevOps Cloud Computing Engineer Architect with an active Secret clearance to join our Cloud One team Government A1 Enclave by Cloud On

Storage EngineerJob Title - Storage Engineer

NightwingCompany Name - Nightwing

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Remote or Sterling, Virginia, USA

Full-time

IT Manager, Data Operations (Hybrid)Job Title - IT Manager, Data Operations (Hybrid)

UMB Financial CorporationCompany Name - UMB Financial Corporation

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Remote or Kansas City, Missouri, USA

Full-time

The Data Operations teams maintain stability and security of UMB application and analytics data, along with securing and administering tools for MDM, governance, retention, ETL/ELT, encryption, and masking, combined with maintaining or advising on the audit strength of each. The teams provide administration and availability around the clock in support of numerous UMB products ranging from on-premises applications with traditional datastores, all the way to serverless technology utilizing infrast

Technical Curriculum Developer - Network SecurityJob Title - Technical Curriculum Developer - Network Security

PaloAlto NetworksCompany Name - PaloAlto Networks

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Remote or Santa Clara, California, USA

Full-time

Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. We have the vision of a world where each day is safer and more secure than the one before. These aren't easy goals to accomplish - but we're not here for easy. We're here for better. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as com

Junior DevOps Engineer Tampa/IrvingJob Title - Junior DevOps Engineer Tampa/Irving

CitiCompany Name - Citi

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Remote or Tampa, Florida, USA

Full-time

About Citi: 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 systemic

Systems AdministratorJob Title - Systems Administrator

UnisysCompany Name - Unisys

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Remote

Full-time, Contract

Note: This role requries to be .UNISYS Location: US Remote Type: Long- TERM contract Job Title: Systems AdministratorResponsible for supporting the functionality and efficiency of one or more operating systems. Deliver second level remote hardware and software/OS support services to clients to resolve product use and multi-product/platform problems and questions relating to enterprise systems, networks and application software, as well as desktop applications. Perform remote installation of appl

Systems Sr AdministratorJob Title - Systems Sr Administrator

UnisysCompany Name - Unisys

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Remote

Contract

CompuGain is an Information Technology and Business Consulting firm providing project-based solutions, software solutions and professional staffing services. -"Those authorized to work in the United States are encouraged to apply. We are unable to sponsor currently. Position: Systems Sr Administrator Location: Remote Length: Long Term Key Responsibilities Responsible for supporting the functionality and efficiency of one or more operating systems.* Lead teams in the delivery of second and/or th

ELEs2 Database Analyst Expert - RemoteJob Title - ELEs2 Database Analyst Expert - Remote

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Senior Server Infrastructure Engineer (Hybrid - Lithia Springs)Job Title - Senior Server Infrastructure Engineer (Hybrid - Lithia Springs)

Carmax, Inc.Company Name - Carmax, Inc.

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Remote or Lithia Springs, Georgia, USA

Full-time

8126 - Atlanta Data Center - Care of: Switch, Lithia Springs, Georgia, 30122 CarMax, the way your career should be! About this job About this job At CarMax, we are industry disruptors. At the heart of our innovation is new digital products. We are seeking a highly experienced and skilled Senior IT Infrastructure Specialist to join our dynamic Technology department. The ideal candidate will have a strong background in IT infrastructure and server management, with a deep understanding of both