Linux / Unix Systems Administrator Jobs in Chicago, IL

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261 - 280 of 378 Jobs

Solutions Architect, HPC Systems Engineer

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA is looking for an experienced GPU and network systems Solutions Architect & Engineer. Do you want to be part of a team that brings new Artificial Intelligence (AI) hardware and software technologies to production in customer data centers? As part of the NVIDIA SA organization, you will be driving deployment of our end-to-end technology solutions integration at some of NVIDIA's most strategic technology customers, as well as offering recommendations to business and engineering teams on our
Posted 60+ days ago | Updated 9 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 12 days ago | Updated 9 hours ago

Solutions Architect, Data Center Infrastructure

NVIDIA Corporation

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Texas, USA

Full-time

NVIDIA is seeking a Solutions Architect in Data Center Infrastructure to join our Infrastructure Specialists team. Academic and commercial groups worldwide are using NVIDIA products to redefine deep learning, data analytics, and power data centers. Join the team building many of the world's largest and fastest data centers and supercomputers! NVIDIA is looking for someone who can lead planning and deployments of AI data centers including power/cooling systems, cabling and network provisioning an
Posted 24 days ago | Updated 9 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 26 days ago | Updated 9 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 9 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 18 days ago | Updated 9 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 2 days ago | Updated 9 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 9 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. The Automation Technologies team seeks a highly skilled and motivated individual to design, implement, and maintain our software delivery pipeline tools and processes across cloud (Google Cloud Platform, Azure) and on-premise environments. This role is crucial in optimizing our Cloud Foundational Products (CFP) Automation Technologies tools and services, ensuring efficient and effective operations
Posted 6 days ago | Updated 9 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 19 days ago | Updated 9 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 16 days ago | Updated 1 day ago

Full Stack Developer

Maximus, Inc.

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Remote

Full-time

Description & Requirements Provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties. Requires expertise in specialty areas. Back-End Software D
Posted 22 days ago | Updated 2 hours 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 35 days ago | Updated 9 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 38 days ago | Updated 9 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 13 days ago | Updated 6 hours ago

Software Engineering Technical Lead - Intersight Virtual Appliance

Cisco Systems, Inc.

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Remote or San Jose, California, USA

Full-time

We are looking for candidates local to San Jose as this is a hybrid role requiring at least 3 days/week in the office. Meet the Team We are currently looking for talent to join our Intersight development team as part of Cisco's Data Center Compute portfolio. Cisco Intersight is a cloud and on-premise based system management platform for Cisco UCS (Unified Computing System), and other Data Center products. It provides actionable intelligent level of management that enables IT organizations to
Posted 46 days ago | Updated 9 hours ago

Systems Admin/DBA

General Dynamics

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District of Columbia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Systems Analysis Job Qualifications: Skills: Azure Active Directory (AD), Microsoft Azure Cloud Services, Microsoft Windows Server, PL/SQL (Programming Language), Structured Query Language (SQL) Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: We are seeking a qualified
Posted 18 days ago | Updated 9 hours ago

Engineer II, Software

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
Posted 9 days ago | Updated 9 hours ago

AWS Engineer

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
Posted 60+ days ago | Updated 9 hours ago

Senior Database Engineer (Remote)

Cisco Systems, Inc.

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Remote

Full-time

Applications are accepted until further notice At Cisco Meraki, we know that technology can connect, empower, and drive us. Our mission is to simplify technology so our customers can focus on what's most important to them: their students, patients, customers, and businesses. We're making networking easier, faster, and intelligent with technology that simply works. The modern world runs on the internet, and the internet cannot exist without its underlying infrastructure. Meraki makes setting up
Posted 60+ days ago | Updated 9 hours ago