Linux / Unix Systems Administrator Jobs in San Diego, CA

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z/OS Administration Engineering Sr Group Manager - Director

Citi

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Remote or Rutherford, New Jersey, USA

Full-time

We are seeking a highly skilled Mainframe z/OS Systems Manager with minimum of 7 years of experience in z/OS Administration with an overall technology experience of 10 plus years to oversee a Global engineering team responsible for maintaining the very large z/OS mainframe environment, including installing, configuring, and troubleshooting the hardware components, operating system and related software with the goal of ensuring the stability, security, and performance of the mainframe infrastruct
Posted 6 days ago | Updated 3 hours ago

Senior Virtual Systems Engineer

City of New York

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Remote or New York, New York, USA

Full-time

Company Description Job Description Permanent incumbent only. Only permanent Certified IT Administrator (LAN / WAN) will be considered. The New York City Department of Investigation (DOI) is one of the oldest law enforcement agencies in the country with a mission of combating municipal corruption. It serves the people of New York City by acting as an independent and nonpartisan watchdog for New York City government, City agencies, and City employees, vendors with City contracts, individuals
Posted 60+ days ago | Updated 3 hours ago

Jr. Database Administrator

ConsultNet, LLC

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Remote or Salt Lake City, Utah, USA

Full-time

Jr. Database Administrator Remote (on-site a couple times per month) 12 month contract with potential to be a contract to hire Pay Rate: $32.00 to $36.50 per hr. Our client needs a Jr. Database Administrator for the software development team. Working as a database administrator means using technical skills to support life-saving research and patient care. We are driven by the opportunity to build secure, efficient data systems that empower researchers and clinicians to make faster, smarter de
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Posted 5 days ago | Updated 3 hours ago

Implementation Engineer

New Era Technology

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Remote

Full-time

Title: Implementation Engineer Location: Remote role Join New Era Technology, where People First is at the heart of everything we do. With a global team of over 4,500 professionals, we re committed to creating a workplace where everyone feels valued, empowered, and inspired to grow. Our mission is to securely connect people, places, and information with end-to-end technology solutions at scale. At New Era, you ll join a team-oriented culture that prioritizes your personal and professional devel
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Posted 25 days ago | Updated 5 days ago

Senior Cloud Application Architect

Booz Allen Hamilton

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Remote

Full-time

Job Number: R0221990 Cloud Application Architect, Senior The Opportunity: Are you looking for an opportunity to leverage your cloud architecture expertise in a high impact role? Booz Allen has an opportunity to showcase your talents by supporting the United States Air Force. We're looking for a Cloud Application Architect to join the team and work in a cloud sof tware engineering role, working with teams to leverage and expand your client's capabilities. You should thrive in a fast-paced envir
Posted 34 days ago | Updated 4 hours ago

Jira/Confluence Administrator

Eliassen Group

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Anywhere, US

Contract

Description: Location: San Diego, Frisco (TX), Washington DC, or Boston (hybrid/onsite as needed) Our client - a cutting-edge, venture-backed defense technology company recently ranked in Forbes' Top 50 AI companies - is seeking a skilled Jira/Confluence Administrator to take full ownership of their Atlassian environment across both self-hosted and cloud deployments. This is a hands-on role focused on system administration, user support, and process automation on the Enterprise Operations tea
Posted 2 days ago | Updated 3 hours ago

Lead Infrastructure Engineer

EPAM Systems

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Remote

Full-time

We are seeking a highly skilled Lead Infrastructure Engineer to join our dynamic EPAM Unified Communications team. This role demands expertise in advanced communication technologies, including online conferencing, telephony, and contact center services, to drive impactful business solutions and solve complex challenges. This position offers remote setup with the flexibility to work from any location in Georgia, whether it's your home, well-equipped offices in Tbilisi and Batumi or a coworking s
Posted 3 days ago | Updated 3 hours ago

Senior Privileged Access Management (PAM) Engineer / CyberArk / Remote

Motion Recruitment Partners, LLC

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Remote or Philadelphia, Pennsylvania, USA

Full-time

This global life sciences company is seeking a Senior IAM Engineer to support and scale their Privileged Access Management program. Operating across biotech, pharma, and healthcare manufacturing, the organization is deeply focused on data security and compliance - making this a great fit for someone who thrives in a large, regulated enterprise environment. This is a remote, long-term contract with potential to flip to perm. The CyberArk Engineer will act as the SME for their PAM stack, supportin
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Posted 12 days ago | Updated 12 hours ago

Cloud Engineer

GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Hybrid Remote Cloud Administrator to configure, deploy, refine, and administer AWS-based resources using both Microsoft Windows and Red Hat Enterprise Linux. This position will be a Hybrid Remote position, location Hanover, MD. Responsibilities Configure, deploy, improve, and administer AWS-based resources. Build, install, configure, STIG, test and deploy AWS infrastructure and DevSecOps platform components as new requirements arise. Build, install,
Posted 40 days ago | Updated moments ago

Principal Systems Engineer (hybrid)

RTX Corporation

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Remote or Maryland, USA

Full-time

Date Posted: 2025-06-16 Country: United States of America Location: MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace At Collins Aerospace, we're working side-by-side with our customers and partne
Posted 28 days ago | Updated 3 hours ago

Senior Full Stack Developer Lead - Inventory Management - JERSEY CITY

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

As part of the Inventory Management Applications Suite, Senior Application Developer is responsible for leading very high volume / low latency enterprise multi-tiered Java applications to provide cutting edge solutions for the Stock Record and related Application in the Capital Markets domain while following the industry best practices and Citi standards. The primary responsibility will be leading the design and development and providing Level 3 support for these applications. Coordination betwe
Posted 60+ days ago | Updated 3 hours ago

System Administrator / Contract / Remote / Manhattan, NY

Motion Recruitment Partners, LLC

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Remote or New York, New York, USA

Full-time

A leading healthcare institution in the New York City area is urgently hiring for a 6-month contract opportunity focused on infrastructure and security remediation. This team will be responsible for tackling major vulnerabilities across Windows, Linux, IaaS cloud, and networking environments in a highly regulated HIPAA setting. You'll be joining a dedicated tiger team reporting directly to the CISO org, assembled to address high-severity issues across a large-scale hybrid infrastructure. Full ex
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Posted 24 days ago | Updated 12 hours ago

Frontline Engineer

eBay Inc.

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Pennsylvania, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur
Posted 22 days ago | Updated 3 hours ago

Senior II Site Reliability Engineer

Akamai Technologies

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Cambridge, England, United Kingdom

Full-time

Do you like collaborating across teams to solve complex problems? Do you have a passion for cutting edge technologies and tackling system problems? Join our highly-skilled Site Reliability team! Our team designs, develops, and manages applications and infrastructure that support Akamai's Compute products and services. We create solutions that manage our Compute platform, focusing on cloud interfaces - Compute Portals and APIs. We do this while maintaining Akamai's mission to make life better
Posted 60+ days ago | Updated 3 hours ago

IT Systems Engineer

Virginia Jobs

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Remote or Charlottesville, Virginia, USA

Full-time

Are you a solutions-driven IT professional with a passion for creating seamless, reliable, and innovative computing experiences? The University of Virginia's Information Technology Services (ITS) seeks an experienced systems administrator for a position in our Storage, Backup, and Archive team. Commensurate with the candidate's experience, the role will be filled at the respective level that best matches the candidate's qualifications. In this role, you will support, maintain, and automate a va
Posted 60+ days ago | Updated 3 hours ago

Cybersecurity Penetration Tester Senior - Remote

Moss Adams LLP

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Remote or Salt Lake City, Utah, USA

Full-time

At Moss Adams, we champion authenticity. For us, that means fostering a culture of talented people who care-about you, about our clients, and about our communities. Here, you'll work towards our mission of empowering others to embrace opportunity, growing as a leader along the way. Our firm's size, middle-market clients, customized career paths, and supportive culture make this a reality. Join a values-driven firm where you'll have fun while solving complex and interesting business challenges.
Posted 18 days ago | Updated 3 hours ago

Oracle Cloud Developer

Adapthealth

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Remote

Full-time

Position Summary: This Oracle Fusion 24D Technical Developer position involves developing and maintaining integrations for Oracle Cash Management, Accounts Payable, General Ledger, Procurement, Inventory, Cost, and/or Fixed Assets modules using Oracle Integration Cloud (OIC) and REST API methods. The role focuses on procurement receiving, inventory transfers, asset tracking, and mass additions processes. Responsibilities include working with Oracle Financials and SCM module interfaces, understan
Posted 9 days ago | Updated 3 hours ago

Application Administrator Tech Lead

RTX Corporation

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Massachusetts, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: RMA99: RTN Remote, Massachusetts Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are consi
Posted 13 days ago | Updated 3 hours ago

Senior Cloud Operations Engineer - Plex

Rockwell Automation

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Remote or Troy, Michigan, USA

Full-time

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world
Posted 9 days ago | Updated 3 hours ago

Azure Cloud Systems Engineer(Top Secret)

Navitas Business Consulting Inc

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Remote

Contract

Senior IT System Engineer (Cloud Engineer) to work remotely. The ideal candidate will possess deep expertise in cloud architecture, systems administration, and automation, and demonstrate strong problem-solving and communication skills in a dynamic, mission-critical environment. Responsibilities will include but are not limited to: Provide network and systems administration of cloud and hybrid environments (Azure GovCloud, M365 GCC High).Troubleshoot and escalate complex issues across VMs, serv
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Posted 60+ days ago | Updated 3 days ago