Principal Linux Systems Administrator Jobs in Chicago, IL

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Manager of Linux Operations and Administration

Request Technology, LLC

•

Chicago, Illinois, USA

Full-time

We are unable to sponsor for this permanent full-time role** Position is bonus eligible Prestigious Financial Company is currently seeking a Manager of Linux Operations and Administration. Candidate will lead and oversee our Linux infrastructure operations team. This role is responsible for ensuring the stability, performance, and security of all Linux-based systems and services, managing day-to-day operations, and driving strategic initiatives to optimize infrastructure performance and reliabil
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Posted 60+ days ago | Updated 2 days ago

Senior System Software Engineer, NCCL - Partner Enablement

NVIDIA Corporation

•

Remote or Santa Clara, California, USA

Full-time

NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. The GPU, our invention, serves as the visual cortex of modern computers and is at the heart of our products and services. Our work opens up new universes to explore, enables amazing creativity and discovery, and powers what were once science fiction inventions from artificial intelligence to autonomous cars. We are the GPU Communications Libraries and Networking tea
Posted 60+ days ago | Updated 5 hours ago

Systems Sr Administrator

Unisys

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Remote

Contract

CompuGain is an Information Technology and Business Consulting firm providing project-based solutions, software solutions and professional staffing services. -"Those authorized to work in the United States are encouraged to apply. We are unable to sponsor currently. Position: Systems Sr Administrator Location: Remote Length: Long Term Key Responsibilities Responsible for supporting the functionality and efficiency of one or more operating systems.* Lead teams in the delivery of second and/or th
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Posted 60+ days ago | Updated moments ago

Systems Administrator

Unisys

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Remote

Full-time, Contract

Note: This role requries to be .UNISYS Location: US Remote Type: Long- TERM contract Job Title: Systems AdministratorResponsible for supporting the functionality and efficiency of one or more operating systems. Deliver second level remote hardware and software/OS support services to clients to resolve product use and multi-product/platform problems and questions relating to enterprise systems, networks and application software, as well as desktop applications. Perform remote installation of appl
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Posted 60+ days ago | Updated moments 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 52 days ago | Updated 5 hours ago

Software Engineer - IBM MQ Administration

Request Technology, LLC

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Chicago, Illinois, USA

Full-time

NO SPONSORSHIP Software Engineering: IBM MQ Infrastructure Administration (Middleware) SALARY: $150k - $165K plus 15% bonus LOCATION: /Chicago, IL 3 days onsite hybrid SELLING POINTS: IBM MQ Administration end-to-end maintenance and support messaging infrastructure IBM MQ in containerized Docker Kubernetes OpenShift Infrastructure modernization We are seeking an experienced and motivated IBM MQ Administrator to join our dynamic Infrastructure team. The successful candidate will be responsible fo
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Posted 60+ days ago | Updated 8 days ago

Principal - ForgeRock Engineer

Request Technology, LLC

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Chicago, Illinois, USA

Full-time

NO SPONSORSHIP Principal, Identity and Access Management ForgeRock SALARY: $160k - $170k LOCATION: CHICAGO Hybrid 3 days onsite Looking for a principal in ForgeRock Identity Suite using OAuth methodologies. Linux, Windows environments, active directory, platform identity gateways access manager and directory. This position has an emphasis on integrating internal applications with ForgeRock Identity suite using OAuth methodologies and custom scopes, coordinating directly with application develop
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Posted 60+ days ago | Updated 8 days ago

Oracle E-Business Applications DBA

Rishabh Software Pvt. Ltd

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Chicago, Illinois, USA

Contract

Job Title: IT - Oracle E-Business Applications DBA Location: Chicago, IL Duration: 6-9 Months Work Mode: Hybrid Duties and responsibilities Installs, patches, upgrades, configures, tunes, and maintains the Oracle E-business Suite R12.1/12.2 and 19c Oracle databases. Collaborate with system and network administrators. Install system enhancements and assist in hardware, software, and data utilization analysis to ensure maximum efficiency. Participate in the design, implementation, and testing o
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Posted 55 days ago | Updated 17 hours ago

Remote System Admin | Linux Engineer | Unix Engineer or Windows System Engineer

Diversified Technology, Inc.

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Remote

Third Party, Contract

Linux Systems Engineerwith experience inAdministrationfor a one year(with possibility of extension) Must work on our W2 The Systems Engineer ESP supports our Enterprise Server Platforms. The incumbent must have knowledge of server(Windows or Linux) administration, configuration, troubleshooting, security, scripting, and networking. Strong communication and documentation skills are required as the candidate will typically be working with customers for support and new initiatives. Principal Acco
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Posted 60+ days ago | Updated 7 days ago

Senior Datadog Administrator

Charter Global, Inc.

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Remote or Washington, District of Columbia, USA

Contract

Title: Senior Datadog Administrator Duration: 9 Months+ Location: Washington, DC (Remote Job) Responsible for software tool administration for systems and applications monitoring tools. Expertise with at least one of the Monitoring tools like DataDog and Service Now. DataDog Administration experience on Linux platform to instrument Java based applications running on Tomcat Application Server. Configuration experience in Infrastructure Monitoring, Network Monitoring and Centralized Logging. O
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Posted 6 days ago | Updated 1 day ago

DataDog Systems Monitoring Engineer / DataDog Admin

TalTeam

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Remote

Contract, Third Party

Position : Systems Monitoring engineer/ Data Dog Admin Location : Washington DC Remote Direct Client Requirement Notes from Manager : Since the present focus is on these 2 initiatives, the HM is mainly looking for candidates with solid Data dog and AWS experience. And if they have Data Dog integration and monitoring experience within ServiceNow, they will be assigned to the specific role. But DD and AWS is the main focus. The HM is looking for resources with extensive experience with Data Dog t
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Posted 6 days ago | Updated 22 hours ago

IBM Verify

intiGrow

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Remote

Contract

100% Remote Job descriptionWe are seeking an experienced IBM Verify Access (formerly IBM Security Access Manager - ISAM) and Identity Governance and Administration (IGA) Engineer to design, implement, and maintain secure access management and identity governance solutions. In this role, the candidate's ability to take in requirements on an agile basis and be able to work autonomously with a high level perspective is a must. As an ideal candidate, you are someone who has repeatedly performed IAM/
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Posted 16 days ago

SOC Resource - Security Analyst 4 roles

Prudent Technologies and Consulting

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Remote

Contract

SOC Resource - Security Analyst 4 roles Remote contract for 6-12 months Someone in Nearshore to US - preferably south of the US Start Date: As soon as possible. Coverage Goal: True 24x7 SOC coverage Scheduling Flexibility: Initially aligned to EST / New York business hours.Resources will gradually be rotated into evening/weekend shifts based on gaps.Onboarding can be staggered We are seeking four contract Security Analysts to restore full 24x7 Security Operations Center (SOC) coverage through
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Posted 12 days ago

Offshore - Remote/ India based - OpenStack Engineer (VMware to OpenStack Migration)

Nasscomm, Inc.

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Remote

Contract, Third Party

Role: OpenStack Engineer Location: Remote (Offshore) Duration: (6 Months) Contract Client AHEAD JOB DESCRIPTION: We are seeking an experienced OpenStack Engineer to lead our infrastructure transformation initiatives, focusing on VMware-to-OpenStack migration and management of large-scale cloud deployments. The ideal candidate will bring technical depth across OpenStack components while demonstrating strong communication and leadership skills. Key Responsibilities: Architect and implement VMware-
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Posted 33 days ago | Updated 1 day ago

Information Security Engineer T3 - Splunk Content Developer - Remote

Emergere Technologies

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Remote

Contract

Role: Information Security Engineer T3 - Splunk Content Developer Duration: 07/21/2025 to 07/20/2026 Location: Herndon, VA (Remote) Description: Candidate can be remote but if within 30 miles of Herndon office they will be required to be in office 3 days a week (Could increase based on business needs). *Possible Convert to hire* Content Development & Optimization Build, maintain, and optimize Splunk dashboards, alerts, and reports that give teams real-time, actionable visibility. Create, modify
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Posted 6 days ago | Updated 1 day ago

Production Support Lead

LTIMindtree

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Remote

Full-time

About Us: LTIMindtree is a global technology consulting and digital solutions company that enables enterprises across industries to reimagine business models, accelerate innovation, and maximize growth by harnessing digital technologies. As a digital transformation partner to more than 700+ clients, LTIMindtree brings extensive domain and technology expertise to help drive superior competitive differentiation, customer experiences, and business outcomes in a converging world. Powered by nearly 9
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Posted 13 days ago

Lead Systems Admin (DataDog Admin)

Dexian DISYS

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Remote

Contract, Third Party

Position: Lead Systems Admin Location: 100% Remote Job Type: 9 Months Contract (Long-term role with extensions) Hiring Manager Notes: Straight contract role.. Preference for someone local who can go to the office when needed but open to those who are not local as long as they can support EST hours. Using Datadog as primary tool and BigPanda (nice to have) for centralized Event Mgmt. First initiative: Datadog is in GovCloud now and plans to move to commercial Cloud within Datadog. Second init
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Posted 6 days ago | Updated 10 hours ago

IAM

cyberThink, Inc.

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Remote

Contract

IAM Consultant Remote Responsibilities: Ability to administer and provide support for IAM and Fraud prevention applications such as ForgeRock, ThreatMetrix, FeatureSpace, components policy servers, databases, and directories Experience in setup, configuration, and management of Policy servers, Web agents, Secure Proxy Server, and Federation Develop and support federations with internal systems and external organizations Implement changes through multiple environments utilizing the Change Manage
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Posted 7 days ago

Cloud IAC SME

Alpha Silicon

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US

Contract, Third Party

Title: Cloud IAC SME Location: Remote Terms: Contract Job Description Overall 10+ years' experience in network & security domain 5+ years in Cloud network setup, Hybrid network connectivity, Cloud security products Good hands-on experience in Cloud native services in Azure and AWS e.g. Azure VWAN, , AWS transit gateway , NAT gateway, AWS network manager , Security group Deployment of SDWAN solution, integrating with Cloud setup. Migration of MPLS to SDWAN setup for Hybrid cloud connectivity
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Posted 6 days ago | Updated 1 hour ago

Google Cloud Platform Engineer

InfusionPoints

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Remote

Full-time

Job Description InfusionPoints Cloud Infrastructure Engineering team designs, implements, and manages cloud-native and hybrid-cloud solutions for customers in highly regulated industries (e.g., federal, healthcare, finance). This role focuses on engineering secure, scalable, and compliant infrastructure in Google Cloud Platform (Google Cloud Platform), emphasizing infrastructure as code (IaC), automated deployment pipelines, cloud governance, and continuous security posture monitoring. The idea
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Posted 20 days ago