Windows/Linux System Administrator Jobs in Chicago, IL

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Data Center Technician II

IES Holdings, Inc.

Elk Grove Village, Illinois, USA

Full-time

Job Summary: The Technician II - Data Center Services will support both the Physical and Virtual Infrastructure of the organization and its facilities. The Technician II - Data Center Services will drive data center best practice and relative industry standards into working processes and procedures as/where applicable. Job Duties and Responsibilities: Directly support and complete all scheduled data center MACs (Moves/Adds/Changes) Hardware installation MACs, including device labeling, power co

Splunk Content Developer - Herndon, VA (Remote)

XFORIA Inc

Remote

Contract

Role : Splunk Content Developer Project location : Herndon, VA (Remote) Content Development & Optimization Build, maintain, and optimize Splunk dashboards, alerts, and reports that give teams real-time, actionable visibility.Create, modify, and troubleshoot complex multi-layer searches and dashboards using advanced SPL commands, macros, and search chaining.Continuously evaluate and improve existing content for clarity, performance, and value.Write efficient searches and troubleshoot poorly writt

Senior Data Security Engineer

Aon Corporation

Chicago, Illinois, USA

Full-time

Aon is looking for a Senior Data Security Engineer - as part of an industry-leading team, you will help empower results for our clients by delivering innovative and effective solutions as part of our Data Security Engineering team within Aon. Aon is in the business of better decisions At Aon, we shape decisions for the better to protect and enrich the lives of people around the world. As an organization, we are united through trust as one inclusive team, and we are passionate about helping our c

Splunk Administrator- 100% Remote

Motion Recruitment Partners, LLC

Remote or Arlington, Virginia, USA

Full-time

Splunk Administrator This company is seeking an experienced Splunk Administrator to manage and optimize their Splunk infrastructure. In this role, you'll ensure the performance, availability, and reliability of our data analytics platform. You'll work closely with cross-functional teams to implement monitoring solutions that enhance operational visibility and strengthen security across their IT environment. The company is located in Reston, VA and will remain 100% remote. What You Will Be Doing:

Systems Administrator / SS&C or Advent or similar exp req(remote)

Kellton

Remote

Contract

IT Systems Administration / Wealth Management Client Midtown- Hybrid Long term contract and possible Contract to hire Role Summary Our Wealth Management client is seeking anIT Systems Administration to provide hands-on management of our on-premises IT infrastructure. This is a contract-to-hire position (initial two-year contract) based in New York City with a hybrid work structure. Reporting directly to the Chief Operating Officer (COO), the Director will ensure that all critical systems inclu

Sr. App Operations Engineer

Tri-Force Consulting Services Inc

Remote

Third Party, Contract

Job Title: Sr. App Operations EngineerDuration: 12 MonthsClient: Department of Information Technology and Telecommunication - NYCLocation: Brooklyn, New York NOTE: This is a 100% remote role. Job Description:Manage deployment of applications in production and non-production environments.Work on service tickets according to priority.Troubleshoot application issues.Work on making enhancements to improve the security of the applications, as neededUtilize triaging and observability tools provided b

Manager Linux Operations

Request Technology, LLC

Chicago, Illinois, USA

Full-time

Hybrid, 3 days onsite, 2 days remote We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Manager - Linux Operations. This manager will manage a team of Linux professionals focused on the stability, performance, security, and reliability of Linux infrastructure/Operations. This role requires experience with technologies such as Ansible, Puppet, Red Hat, Docker, Kubernetes, terraform, CICD, etc. Responsibilities: Manage and mentor a team of Linu

Software Engineer I (Cloud/Platform DevOps Engineer)

Walgreens

Deerfield, Illinois, USA

Full-time

Job Description Job Summary The 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 may lead automation initiatives, enforce GitOps practices, and enhance platform reliability through code-driven solutions. They will collaborate with development, securi

Senior DevOps Engineer

Request Technology, LLC

Chicago, Illinois, USA

Full-time

Senior DevOps Engineer Salary: open + bonus Location: Chicago, IL or Coppell, TX Hybrid: 3 days onsite, 2 days remote Qualifications Bachelor s degree7+ years related experience5+ years DevOps Engineer with a strong automation backgroundDeep knowledge of CI/CD tools (e.g., GitHub Actions, GitHub, Jenkins - Groovy, K8s, helm, etc.)Strong hands-on experience with Terraform for cloud infrastructure provisioningProficiency in Linux administration and shell scripting (Bash, Python, or similar)3+ year

Infrastructure Support Engineer

Source Code Technologies LLC

Remote

Contract, Third Party

Position: Infrastructure Support Engineer Location: Remote Duration: 6 months Job Description: Provide Level 2 support for enterprise IT infrastructure including servers, networks, storage, and virtualization platforms.Monitor infrastructure health using tools like SolarWinds, Nagios, or similar, and respond to alerts in a timely manner.Perform routine maintenance and patch management of Windows/Linux servers and infrastructure components.Manage user access and identity services such as Activ

Vulnerability Specialist

CIMA

Remote

Contract

Job Title: Vulnerability Consultant NO C2C Company: CIMA Location: Remote Engagement Type: Contract (3 Months) Hours: Full-Time (40 hours/week) Position Overview: CIMA is seeking a Vulnerability Consultant to lead critical security initiatives aimed at reducing system vulnerabilities, establishing a mature patching program, and ensuring alignment with key compliance frameworks. This is a remote, full-time, 3-month contract opportunity ideal for a consultant with deep experience in vulnerability

Senior Security Analyst

Judge Group, Inc.

Chicago, Illinois, USA

Full-time

Location: Chicago, IL Salary: $100,000.00 USD Annually - $120,000.00 USD Annually Description: Senior Security Analyst Location: Chicago, IL - Hybrid Remote, Mondays and Fridays Remote About the Role: We are seeking a dynamic and seasoned Senior Security Analyst to safeguard and protect our organization's information systems and data from cyber threats. This role involves monitoring, analyzing, and responding to security incidents, developing and implementing security measures to prevent an

Linux Operations Manager

Request Technology, LLC

Chicago, Illinois, USA

Full-time

Linux Operations Manager Salary: Open + Bonus Location: Chicago, IL Hybrid: 3 days onsite, 2 days remote *We are unable to provide sponsorship for this role* Qualifications Bachelor s degree7+ years of experience in Linux systems administration2+ years in a leadership or managerial role.Deep understanding of Linux (Red Hat) operating systems and internals.Strong experience with virtualization (e.g., VMware, KVM), cloud platforms (AWS, Azure), and containerization (e.g., Docker, Kubernetes).Hands

Azure Virtual Desktop Specialist

Motion Recruitment Partners, LLC

Chicago, Illinois, USA

Full-time

Exciting job opportunity for an experienced Azure Virtual Desktop Specialist to join a dynamic team in the Wealth Management Industry, based in Chicago. This rapidly digitizing organization leverages cutting-edge technology to transform business processes, with a 95% public cloud infrastructure hosted on Azure and AWS. This is a full-time, hybrid position requiring onsite presence Tuesday through Thursday. This forward-thinking company is building the future of virtual desktop solutions! They ar

Principal Platform Engineer----Remote Position

Business Integra

Remote

Contract

Role:- Principal Platform Engineer Location:- Plano, TX (Remote Position) How You ll Help Us: A Principal Platform Engineer is first and foremost a software developer who specializes in the domain of the processes and resources necessary to enable the development, build, test, deploy, and release of changes to enterprise applications delivered to market while ensuring this occurs as frequently as needed, with the least amount of error possible, and the maximum uptime. Our product, a dynamic virt

Lead Engineer Data Ops

United Airlines

Chicago, Illinois, USA

Full-time

Description Job overview and responsibilities The United Data Engineering team designs, develops and maintains massively scaling technology solutions that are brought to life with innovative architectures, data analytics and digital solutions. The Data Engineering team is building a modern data technology platform in the cloud with advanced DevOps and Machine Learning capabilities. The Data Engineering team at United Airlines is on a transformational journey to unlock the full potential of ente

OpenText Content Server Admin

Vertex Group

Remote

Contract

OpenText Content Server Admin Location 100% Remote 6-12 Months (C2H) Must be in the US for at least 3 years. Required Qualifications & Skills Strong experience with OpenText Content Server, Extended ECM, Archive Server, and other OpenText modules.Hands-on expertise with OpenText Directory Services (OTDS) and authentication mechanisms.Proficiency in OpenText Web Services (REST, SOAP), OScript, and database management (Oracle, SQL Server).Knowledge of enterprise IT environments, Windows/Linux serv

Linux Engineer/ Trading

Motion Recruitment Partners, LLC

Chicago, Illinois, USA

Full-time

Exciting job opportunity for a Linux Engineer in Chicago's competitive trading technology sector. You will directly impact high-performance trading systems, while working for a leading financial technology firm specializing in proprietary, latency-sensitive trading platforms that demand technical excellence and operational precision. This is a rare opportunity to work at the intersection of finance and cutting-edge technology where microseconds matter! They are seeking a talented Linux engineer

Technical Operations Analyst - M

Next Step Systems

Chicago, Illinois, USA

Full-time

Technical Operations Analyst We are currently looking for a Technical Operations Analyst for a great opportunity in the Chicago Loop. 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% Onsite. Technical Operations Analyst Responsibilities - Oversee the operation and maint

Power Platform Architect IN REMOTE

Zion Cloud Solutions

Remote

Contract

Greetings! We are actively Hiring a Power Platform Architect This is a contract opportunity with one of our clients. I have attached the job descriptions below for your review. Position: Platform Architect/Solution Architect - PowerAppsLocation: Chicago, IL / REMOTEDuration: Full-time/Long Term Contract With potential extension. About Us: Zion Cloud Solutions is a leading provider of IT staffing and IT solutions, specializing in SAP, Salesforce, Power Platform, and Document Management Systems.