Windows/Linux System Administrator Jobs in San Diego, CA

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Software 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 3 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 25 days ago | Updated 3 hours ago

Technical Operations Analyst with Python Work From Home - M

Next Step Systems

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Remote

Full-time

Technical Operations Analyst with Python Work From Home We are currently looking for a Technical Operations Analyst for a great opportunity. The company participates in a wide variety of marketplaces including global futures, equities, commodities, options, fixed income, and cryptocurrencies. Their culture emphasizes teamwork and focuses on continuous integration and test-driven development. This position is 100% Remote. Technical Operations Analyst Responsibilities: - Oversee the operation a
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Posted 4 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 3 hours ago

Cybersecurity Engineer IV

Patriot Talent Solutions

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Remote

Full-time

Remote | Cybersecurity Engineer IV | Full-time We are actively recruiting a Cybersecurity Engineer IV for our client in Knoxville, TN. This is a fully remote direct placement opportunity that will require participating in periodic in-person strategy and design sessions. This is an excellent opportunity for someone who thrives on solving complex problems and defending sensitive data from sophisticated threats. In this role, you ll be responsible for hardening systems, automating patching, managin
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Posted 47 days ago | Updated 13 days ago

*Global Network and Perimeter Product Manager

Zurich North America

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Remote or Schaumburg, Illinois, USA

Full-time

Zurich Services (Schaumburg, IL) seeks a Global Network and Perimeter Product Manager to manage and oversee the deployment and integration of operational IT services and solutions in compliance with relevant policies and processes and develop service delivery in alignment with the IT strategy. Specific duties include: oversee the direction setting for their respective function/country and develop service delivery in line with IT strategy; promote cost effective services through standardization a
Posted 28 days ago | Updated 3 hours ago

Senior Dev Ops Engineer - Remote

NTT DATA Americas, Inc

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Remote or Toronto, Kansas, USA

Contract

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Senior Dev Ops Engineer - Remote to join our team in Toronto, Ontario (CA-ON), Canada (CA). Job Description: Senior Dev Ops Engineer - Remote in Canada How You'll Help Us: A Senior Platform Engineer is first and foremost a software developer who specializes in the domain of
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Posted 48 days ago | Updated 10 hours ago

Technical Support Engineer with Azure Active Directory/Entra ID experience - shifts available: Thursday - Sunday: 8am-5pm or Monday - Friday: 11:30pm-7:30am - 100% remote but live in Southern CA

Calance

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Remote or Los Angeles, California, USA

Full-time

Tech Support Engineer, We are seeking a detail-oriented and proactive After-Hours IT Technical Support Engineer to join our operations team in a hybrid Tier 1/2 support capacity. As part of a broader operations team, you ll work alongside dedicated professionals to ensure operational readiness, availability, and stability, of multiple environments across the US. This role provides critical after-hours support across access management, incident response, and collaboration with monitoring teams,
Posted 19 days ago | Updated 1 hour ago

Sr. Engineer 2 - Infrastructure Platform Engineering

Publix

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Remote or Alpharetta, Georgia, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 18 days ago | Updated 1 hour ago

Technical Operations Analyst with Python, Electronic Trading Systems Preferred Work From Home - M

Next Step Systems

•

Remote

Full-time

Technical Operations Analyst with Python, Electronic Trading Systems Preferred Work From Home We are currently looking for a Technical Operations Analyst for a great opportunity. The company participates in a wide variety of marketplaces including global futures, equities, commodities, options, fixed income, and cryptocurrencies. Their culture emphasizes teamwork and focuses on continuous integration and test-driven development. This position is 100% Remote. Technical Operations Analyst Respo
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Posted 4 days ago | Updated 2 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 28 days ago | Updated 3 hours ago

PostgreSQL DBA

Apex Systems

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San Diego, California, USA

Full-time

Job#: 2076715 Job Description: Job Description Postgres Database Administrator The Scoop: The Postgres Database Administrator supports database administrative activities including but not limited to database patching, capacity, and performance management. This position also is responsible for backup and recovery configuration and execution, modeling and development support. What You Get To Do: Demonstrated experience writing complex stored procedures and queriesProven experience troubleshoo
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Posted 34 days ago | Updated 4 hours ago

Sr. Virtualization/Linux Engineer

Thermo Fisher Scientific

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Remote or Pittsburgh, Pennsylvania, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description When you're part of the team at Thermo Fisher Scientific, you'll do meaningful work, that makes a positive impact on a global scale. Join 100,000 colleagues who bring our Mission to life each day to enable our customers to make the world healthier, cleaner and safer. You'll find the resources here to achieve your career goals and help take science a step beyond by developing solutions for some of the world's toug
Posted 12 days ago | Updated 3 hours ago

Director, Data Governance and onboarding Leader ( Apps Development Sr Group Mgr )- C15

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. Citi's Mission and Value Proposition explain what we do and Strategy explain how we do it. Our mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and eco
Posted 60+ days ago | Updated 3 hours ago

Senior Site Reliability Engineer - Remote

Akamai Technologies

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Cambridge, England, United Kingdom

Full-time

Do you have a passion for cutting edge technologies and tackling system problems? Are you a self-starting professional who thrives in a fast-paced environment? Join our critical CPS SRE team! We ensure that infrastructure services have world-class reliability and uptime. Site Reliability Engineer(SRE)s are the driving force that keeps the system running smoothly and helps identify any bottlenecks before they become issues. We focus on optimizing services, building infrastructure, and eliminat
Posted 10 days ago | Updated 3 hours ago

Systems Administrator

Leonardo DRS

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San Diego, California, USA

Full-time

DRS Daylight Solutions business provides industry-changing photonic engine technology for government and commercial markets, including defense and security, quantum information sciences, life sciences, and industrial process control. As a laser technology pioneer, Daylight Solutions has delivered more mid-IR systems to more applications world-wide than any other company. Daylight laser solutions span the full spectrum from UV to visible to NIR to mid-IR. At DRS Daylight Solutions, you will be e
Posted 24 days ago | Updated 3 hours ago

Technical Curriculum Developer - Network Security

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
Posted 60+ days ago | Updated 3 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 3 hours ago

00439-Infrastructure Computing Engineer

Virginia Jobs

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Remote or Norfolk, Virginia, USA

Full-time

Title: 00439-Infrastructure Computing Engineer State Role Title: Info Technology Specialist Hiring Range: $90,000 - $110,000 Pay Band: 6 Agency: Norfolk State University Location:Norfolk State University Agency Website:NSU.edu Recruitment Type: General Public - G Job Duties The Office of Information Technology (OIT) manages the administrative and academic information technology resources for Norfolk State University. The Office of Information Technology (OIT) empowers University students,facult
Posted 60+ days ago | Updated 3 hours ago

Senior Network Specialist - Secret Clearance

Zachary Piper Solutions, LLC

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San Diego, California, USA

Full-time

Piper Companies is looking for a Network/System Administrator to join a government contractor in San Diego, CA. This role requires the candidate to report Onsite and have an active Secret Clearance Essential Duties of the Network/System Administrator: Install and configure LAN, WAN and internet systemsEnsure network availability to all system usersMonitor/test website performanceAssist in network analysis, monitoring, coordination and planning Qualifications of the Network/System Administrator
Posted 23 days ago | Updated 20 days ago