Linux / Unix Systems Administrator Jobs in Chicago, IL

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(USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera
Posted 12 days ago | Updated 2 hours ago

Senior Software Engineer I (Cloud/DevOps Platform Engineer)

Walgreens

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Deerfield, Illinois, USA

Full-time

Job Description Job Summary: The Senior Cloud Engineer will be responsible for driving DevOps automation, Infrastructure as Code (IaC), and cloud-native solutions within Azure. This role will focus on codifying infrastructure, CI/CD, security, and governance to create scalable, resilient, and efficient cloud environments. The engineer will lead automation initiatives, enforce GitOps practices, and enhance platform reliability through code-driven solutions. They will collaborate with developmen
Posted 60+ days ago | Updated 2 hours ago

IT Cloud Engineer - Remote

Mayo Clinic

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Remote or Rochester, Minnesota, USA

Full-time

Job Description Work will primarily be performed remotely but may require incumbent to be on site. Mayo Clinic is seeking a highly skilled and motivated Cloud Engineer to join our team. The ideal candidate will develop and implement innovative cloud-based operational capabilities that support key business initiatives aligned with Mayo Clinic's strategic goals. This role requires demonstrated experience in leveraging DevOps and FinOps methodologies to optimize customer workflows and maximize bus
Posted 7 days ago | Updated 2 hours ago

System Software Engineer, Event Operations

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

For over 25 years, NVIDIA has pioneered visual and accelerated computing. Today, we're defining the future of AI, equipping millions with groundbreaking tools and essential training to lead a new era of innovation. Every month, NVIDIA's training platform enables thousands of developers around the world to advance their AI skills and excel in their life's work. We're seeking an operationally-focused System Software Engineer to ensure the stability, reliability, and flawless execution of all NVIDI
Posted 11 days ago | Updated 2 hours ago

Senior System Software Engineer, Platform Operations

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

For over 25 years, NVIDIA has pioneered visual and accelerated computing. Today, we're defining the future of AI, equipping millions with groundbreaking tools and essential training to lead a new era of innovation. Every month, NVIDIA's training platform enables thousands of developers around the world to advance their AI skills and excel in their life's work. We are seeking an innovative and experienced System Software Engineer to lead global training delivery operations. This foundational role
Posted 11 days ago | Updated 2 hours ago

Senior Intellectual Property Security Engineer

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

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" that constantly evolves by seeking new opportunities that are hard to solve, that only we can tackle, and that matter to the world. This is our life's work, to amplify human cre
Posted 60+ days ago | Updated 2 hours ago

VMware Infrastructure Reporting Specialist

Kyndryl

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Iowa, USA

Full-time

Who We Are At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward - always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role Infrastructure Specialists at Kyndryl are project-based subject matter experts in all things infrastructure - good at providing analysis, docum
Posted 60+ days ago | Updated 2 hours ago

Platform Engineer III

Eliassen Group

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Anywhere, US

Contract

Description: *100% Remote* Responsible for building outstanding software solutions to drive the success of a business. Build various aspects of the company's infrastructure to power innumerable conversations at scale. Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Rate: $60 - $70 / hr. w2 Responsi
Posted 27 days ago | Updated 2 hours ago

Enterprise Application Administrator

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 14 days ago | Updated 2 hours ago

Software Engineer II

M&T BANK CORPORATION

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Remote

Full-time

Title: Software Engineer II Job Location: One M&T Plaza, Buffalo, NY 14203. Position eligible for 100% remote work. Job Description: Contribute to team responsible for maintaining the M&T Equipment Finance Co. suite of applications; support and maintain software and web applications using C#, .Net, SQL Server and JavaScript; design and develop new or existing software and web applications and specifies information system solutions with GitLab, Ansible, Artifactory; test, implement, address an
Posted 28 days ago | Updated 2 hours ago

DevOps Application Developer (Hybrid)

Penn State

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Remote or State College, Pennsylvania, USA

Full-time

APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, apply internally through Workday. CURRENT PENN STATE STUDENT (not employed previously at the university) and seeking employment with Penn State, please login to Workday to complete the student application process. Please do not apply here, apply internally through Workday. If you are NOT a current em
Posted 60+ days ago | Updated 2 hours ago

Virtual Systems Engineer III, Operational Technology

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
Posted 20 days ago | Updated 2 hours ago

Staff Network Engineer - Global Cloud Services

ServiceNow, Inc.

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Remote or Austin, Texas, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 4 days ago | Updated 2 hours ago

Information Security Engineer

Virginia Jobs

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Remote or Charlottesville, Virginia, USA

Full-time

Information Security Engineer Position Overview: We are seeking a highly skilled Information Security Engineer with deep expertise in Splunk and Splunk Enterprise Security to join our cybersecurity team. The ideal candidate will have extensive engineering experience across multiple security domains, including SIEM, SOAR, Cloud Security, system administration, vulnerability management, network security/firewalls, API integration, scripting, and automation. This position will play a critical rol
Posted 60+ days ago | Updated 2 hours ago

Information Systems Analyst (Windows)

Lockheed Martin Corporation

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Remote or Georgia, USA

Full-time

Job Description This position requires an active Secret clearance with the ability to obtain Top Secret clearance. Lockheed Martin Space Information Systems Analyst position will support military Space Programs. This position receives day-to-day operations guidance from program staff and will report to the LM IS SWFLANT IT OPS Manager. We are looking for a passionate and dedicated individual who is well-versed in Windows System Administration and has a strong understanding of network, server,
Posted 21 days ago | Updated 2 hours ago

DevOps Engineer

Eliassen Group

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Anywhere, US

Contract

Description: *100% Remote* Seeking a skilled and proactive DevOps / Systems Engineer to support and enhance our development, QA, and production infrastructure. This role plays a key part in maintaining high system availability, automating deployments, and ensuring optimal performance across environments. The ideal candidate will have a solid background in both Windows and Linux server administration, experience managing CI/CD pipelines, and expertise in Atlassian Data Center products. We can
Posted 14 hours ago | Updated 2 hours ago

Infrastructure Platform Engineer

Vaco by Highspring

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Remote

Contract

Job Title: Infrastructure Platform Engineer Job Type: Contract-to-hire Worksite Location: Fully Remote Industry: IT Services and IT Consulting Contract Hourly Compensation: $60.00 - $70.00 / hour W2 Salary Conversion: $120,000 - $145,000, based on experience and credentials Employee Benefits 401(k) Retirement Plan with Employer Match Medical, Vision, Prescription, Telehealth, & Dental Plans Life & Disability Insurance Unlimited Paid Time Off **Vaco is not seeking third-party support to aid in f
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Posted 17 days ago | Updated 2 days ago

Senior Infrastructure Engineer

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
Posted 37 days ago | Updated 2 hours ago

Network Orchestration Engineer, Senior

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
Posted 40 days ago | Updated 2 hours ago

Lead Web Engineer

Robert Half

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Remote or Springfield, Massachusetts, USA

Contract

Description We are looking for an experienced Lead Web Engineer to oversee the design, deployment, and management of web hosting infrastructure in Springfield, Massachusetts. This long-term contract to FTE position requires an individual with expertise in web systems, security, and cloud technologies to ensure reliable and secure web services. As a key member of the team, you will play an integral role in leading projects and managing team members while driving innovation in web infrastructure d
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Posted 14 days ago | Updated 11 hours ago