Linux / Unix Systems Administrator Jobs in Chicago, IL

161 - 180 of 400 Jobs

Embedded Software EngineerJob Title - Embedded Software Engineer

Block IncCompany Name - Block Inc

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California, USA

Full-time

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture

Senior JAVA SQL Architect - SVP - C-14 roleJob Title - Senior JAVA SQL Architect - SVP - C-14 role

CitiCompany Name - Citi

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Remote or Jersey City, New Jersey, USA

Full-time

The Applications Development Technology Senior Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Develop and Deliver assigned development projects within agreed schedule, quality and scope expectationsParticipate in all stages of the SDLC within an ag

Software Engineering Intern/Co-op (Graduate | Fall 2025| Hybrid)Job Title - Software Engineering Intern/Co-op (Graduate | Fall 2025| Hybrid)

AMD (Advanced Micro Devices)Company Name - 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

Software Engineering Intern/Co-Op (Undergrad | Fall 2025 | Hybrid)Job Title - Software Engineering Intern/Co-Op (Undergrad | Fall 2025 | Hybrid)

AMD (Advanced Micro Devices)Company Name - AMD (Advanced Micro Devices)

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Remote or San Jose, California, USA

Full-time

Senior Python / Counterparty Credit Risk Senior Application Developer - VP - NEW YORKJob Title - Senior Python / Counterparty Credit Risk Senior Application Developer - VP - NEW YORK

CitiCompany Name - Citi

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Remote or New York, New York, USA

Full-time

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deployment, and maintenance of the production derivatives credit risk application, used for internal risk management and regulatory capital purposes. The Counterparty Credit Risk Senior Application Develope

3DX and CATIA V5 Sr. Staff Software EngineerJob Title - 3DX and CATIA V5 Sr. Staff Software Engineer

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Fort Worth, Texas, USA

Full-time

Job Description This position is with the Lockheed Martin Enterprise Operations Design, Release and Test Systems (DR&TS) team. The DR&TS team develops software solutions that are used by our engineering design teams to simplify the design process. This position is for an experienced Computer Aided Design and Computer Aided Manufacturing (CAD/CAM) Sr Staff Software Engineer to lead client 3DExperience and CATIA V5 deployments and develop capabilities used by Engineering design teams at Lockheed

Technical Support Spec SrJob Title - Technical Support Spec Sr

Northwestern UniversityCompany Name - Northwestern University

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Chicago, Illinois, USA

Full-time

Department: MED-Central IT Salary/Grade: ITS/77 Job Summary: This specific role is within the Feinberg IT centralized IT team. The central IT team provides resources and support to the Feinberg School of Medicine. Specific Responsibilities : Strategic Planning Recommends, plans, and implements workplace endpoint technology initiatives. Analyzes user's infrastructures and recommends or coordinates remedial changes as necessary. Administration Authors Scopes of Work for medium to large sized

Sr Data ArchitectJob Title - Sr Data Architect

McKesson CorporationCompany Name - 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

IBM MQ SMEJob Title - IBM MQ SME

ALTA IT ServicesCompany Name - ALTA IT Services

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Remote

Full-time

IBM MQ SME 100% Remote ship is Required per government contract Must be able to obtain Public Trust clearance Description: This is an E-commerce position requiring a minimum of bachelor s degree in computer science or related field or has equivalent work experience. Must have strong administration support skills in UNIX (Solaris / Linux) and IBM MQ experience. Individuals must be able to lead, implement, and support specialized business and technical information technology solutions. Must be

Lead Site Reliability Engineer, Network - RemoteJob Title - Lead Site Reliability Engineer, Network - Remote

Cisco Systems, Inc.Company Name - Cisco Systems, Inc.

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Remote

Full-time

Application window is open until further notice. The Meraki cloud supports millions of customer devices from 10 data centers around the world. Meraki's customer base has grown by a factor of 2-3 every year, serving billions of HTTP requests per day globally. Our customers depend on our products to run their critical infrastructure of network switches, security appliances, wireless APs and security cameras. As SREs at Meraki, we are responsible for building and growing the cloud that supports t

Security Information and Event Management EngineerJob Title - Security Information and Event Management Engineer

ApexonCompany Name - Apexon

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Remote

Full-time, Third Party

Required Skills: QRadar SIEM AQL Analytical Skills Redhat Linux administration Bash DSM Database Management Excellent Verbal Communication Skills IBM IBM QRadar SIEM Intrusion Detection System IDS Linux Network Engineering Networking Protocol Performance Monitoring and Metrics PostgreSQL Problem Solving Python (Programming Language) SIEM SOAR Scripting Security Operations Software Troubleshooting Ticketing Systems Use case creation Vulnerability Scanning Preferred Skills: Palo Alto XSIAM and X

OpenShift AdministratorJob Title - OpenShift Administrator

Sun Technologies,Inc.Company Name - Sun Technologies,Inc.

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Remote

Contract

Job Title: OpenShift Administrator Certifications Required: Red Hat Certified Specialist in OpenShift Administration Certified Kubernetes Administrator (CKA) Duration: up to 3 months contract (with the possibility of extension) Location: Remote Work / Work from Home Work Schedule: 4/10 Schedule Pay Rate: $96/hr on W2 Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: Understanding of Op

Network Engineer-Managed ServicesJob Title - Network Engineer-Managed Services

CDWCompany Name - CDW

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Illinois, USA

Full-time

At CDW, we make it happen, together. Trust, connection, and commitment are at the heart of how we work together to deliver for our customers. It's why we're coworkers, not just employees. Coworkers who genuinely believe in supporting our customers and one another. We collectively forge our path forward with a level of commitment that speaks to who we are and where we're headed. We're proud to share our story and Make Amazing Happen at CDW. Job Summary The primary purpose of this position is to

00439-Infrastructure Computing EngineerJob Title - 00439-Infrastructure Computing Engineer

Virginia JobsCompany Name - 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

Senior Backend Middleware Java Programmer - C13 - JERSEY CITYJob Title - Senior Backend Middleware Java Programmer - C13 - JERSEY CITY

CitiCompany Name - Citi

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Remote or Jersey City, New Jersey, USA

Full-time

Job Description Java & Database Lead Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to de

Senior Privileged Access Management(PAM) Security Engineer - C14Job Title - Senior Privileged Access Management(PAM) Security Engineer - C14

CitiCompany Name - Citi

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Remote or Irving, Texas, 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

IT Lead AuditorJob Title - IT Lead Auditor

M&T BANK CORPORATIONCompany Name - M&T BANK CORPORATION

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Remote or Buffalo, New York, USA

Full-time

** Work Arrangement: This is a hybrid position requiring in-office work multiple days every week and will ideally be based in Buffalo, NY. Overview: This position is responsible for executing internal audit examinations over the Bank's Information Technology (IT) Engineering, Operations, Governance, Risk Management, and Architecture functions ensuring the timely and professional execution of the examinations in accordance with professional standards. Primary Responsibilities Plan, coordinate an

System Administrator / Denver,CO(Remote ),3+ Months ContractJob Title - System Administrator / Denver,CO(Remote ),3+ Months Contract

Suncap TechnologyCompany Name - Suncap Technology

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Remote or Almont, Colorado, USA

Contract

Job Description Local to CO candidates only Location: Colorado Springs, CO( Remote ) Duration:3+ Months Contract System Admin's Statement of Work: Security Vulnerabilities Patching and Application Updates and Deployments 80% This position assists in providing technical support to Security Vulnerabilities. Patching and Application Patching and Deployments which includes the use of Client's incident/change order system and the following activities: Assist in the mission and support of the Tani

Senior Systems DevOps DeveloperJob Title - Senior Systems DevOps Developer

Boeing CompanyCompany Name - Boeing Company

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Remote or Seattle, Washington, USA

Full-time

Senior Systems DevOps Developer Company: The Boeing Company The Boeing Company is currently seeking a Senior Systems DevOps Developer to join the Network Tools team in support of Network Automation in Seattle, WA; Berkeley, MO; or North Charleston, SC. Boeing Information Technology (IT) is seeking a talented and experienced Systems DevOps Developer to join our innovative team! In this exciting role, you will lead the design, development, deployment, and integration of automation solutions that

Senior Software Engineer I (C# .NET)Job Title - Senior Software Engineer I (C# .NET)

WalgreensCompany Name - Walgreens

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Deerfield, Illinois, USA

Full-time

Job Description Job Summary Performs and implements assignments that implements activities that generally impact important components / processes of the specified functional area of the Technology operation. Work is received in short- and mid-term assignments that are important / complicated undertakings and regularly require the application of independent judgment. Operates within the context of approved methods Job ResponsibilitiesPerforms and implements the daily operational activities of th