Linux System Administrator jobs in Illinois

Lemont, Illinois

•

Today

The APS Engineering Support Division (AES) provides reliable operations and technical support to the Advanced Photon Source user community. AES works to ensure that the Advanced Photon Source maintains its status as a preeminent scientific user facility. We are seeking a highly skilled and motivated Linux/HPC System Administrator to manage and support the onsite HPC resources, beamline systems, and beamline services. Our administrators design, install, implement, and manage services running on

Full-time

USD 86,299.00 - 134,626.05 per year

Senior Linux Administrator

Remote or Monroe, Louisiana

•

Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Linux Administrator in Monroe, LA. Summary: We are seeking a Senior Linux Systems Administrator to design, deploy, secure, and support Linux-based infrastructure for a classified federal program. This role requires an experienced engineer who can build environments from the ground up and manage them through their full lifecycle, including virtualization, security, automation, monitoring, authentication services, and application supp

Full-time

$82,000 - $121,000 annually

Trading Firm Systems Administrator - Trading Applications, Windows, Linux, Networking

Woodridge, Illinois

•

23d ago

NO SPONSORSHIP - NO OPT Junior DevOps - Engineer SALARY: $85k - $120k plus discretionary bonus LOCATION: WOODRIDGE, IL Onsite 4 days a week A startup, hedge fund/proprietary trading firm. Looking for a junior devops engineer with strong system administration skills. Linux on backend windows on frontend. Python bash PowerShell TCP/IP GIT CICD IoC observability monitoring 1-3 years experience no med to seniors Seeking a Junior DevOps Engineer to help build, support, and improve the infrastructure

Easy Apply

Full-time

85,000 - 120,000

Senior Linux Administrator (Active Clearance)

Remote

•

Today

Lumen is the trusted network for the AI-powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high-performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities. At Lumen, you'll work on infrastructure customers rely on today and build for what's next, where performance, security, and resilience matter. This is a high accountability environment where bold ideas drive

Full-time

USD 82,969.00 - 110,625.00 per year

Junior DevOps Engineer/System Administrator

Woodridge, Illinois

•

Today

Junior DevOps Engineer An innovative trading technology organization is seeking a Junior DevOps Engineer to help strengthen and scale the infrastructure behind its real-time trading platforms. This opportunity is ideal for an early-career engineer who enjoys working at the intersection of systems, automation, and operations while gaining hands-on experience in a highly technical environment. As part of a collaborative engineering team, you'll contribute to the stability, performance, and continu

Easy Apply

Full-time

$85000 - $120000

Senior Cloud GIS System Administrator

Remote

•

Today

Senior Cloud GIS System Administrator Location: Remote Description: HigherEchelon is seeking a Senior Cloud GIS System Administrator to serve as the technical owner of an enterprise ArcGIS platform, with accountability for the servers, cloud resources, security configuration, and availability of the environment. The position additionally leads the technical migration of that platform into a consolidated government cloud environment. This is the senior technical position on the program team.

Full-time

Windchill Infrastructure & System Administrator

Remote

•

Today

This position is contingent upon contract award. This position requires an active U.S. national security clearance and the ability to obtain one. To learn more about the security clearance process please access this link. Additionally, travel may be required to customer and subcontractor sites as well as other office locations. Lyntris is a defense technology company that connects sensing to action across the connected battlespace. Lyntris brings together the talents of Accelint and Vitesse te

Full-time

USD 120,000.00 - 150,000.00 per year

System Administrator

Evanston, Illinois

•

8d ago

Experience/Skills/Requirements: Bachelors degree in computer science or a related field is ideal 3-5 years of experience with Windows server administration 3-5 years of experience in desktop/network/hardware and software support Strong verbal and written communication skills with the ability to interact with a diverse group of executives, managers, staff, and vendors/contractors in a very detail-oriented professional organization with extremely high standards Proven ability to interact in a

Easy Apply

Full-time

Depends on Experience

CliniSys System Administrator

Remote

•

Yesterday

Hi, Job Title: CliniSys System Administrator Location: Remote Job Description: Administer, configure, and support CliniSys laboratory information systems (LIS/LIMS).Perform user administration, roles, permissions, security, and access management.Configure and maintain CliniSys modules, workflows, rules, forms, and system parameters.Monitor system performance, troubleshoot application and infrastructure issues, and resolve incidents.Support CliniSys installation, upgrades, patches, and version m

Easy Apply

Contract

$40 - $50

Senior System Administrator (Storage Engineer)

Chicago, Illinois

•

Today

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at sc

Full-time

USD 180,000.00 - 243,000.00 per year

Linux Systems Administrator - Aircraft Integration

Remote or Orlando, Florida

•

Today

Overview The Systems Integrator provides senior-level systems engineering and integration support for complex simulation systems, with responsibility for coordinating, designing, integrating, testing, and sustaining hardware and software components within a unified simulation environment. This position combines advanced systems engineering skills with a strong software development background to ensure simulation systems, applications, interfaces, data flows, and supporting infrastructure operat

Full-time

USD 165,000.00 per year

Senior System Administrator

Palos Hills, Illinois

•

Today

Posting Details Position Information Job Title Senior System Administrator Classification Title Department Infrastructure & Network Services Work Location Main Campus Duties Under direction, the Senior System Administrator is responsible for reviewing the design, installation, maintenance, training, and support of Windows servers and database functions, hardware and software used to support the college's systems. The Senior System Administrator is responsible for the following. Other duties

Full-time

USD 70,075.00 - 90,000.00 per year

Linux Middleware Systems Administrator (Remote - Occasional Office Visits Required)

Remote

•

30+d ago

Overview About Unison: Unison's products power the business of government to work smoother and smarter, making critical federal processes and acquisitions simpler and more effective. Trusted by over 200,000 federal employees and government contractors, our AI-infused software and deep domain expertise help contract shops, cost engineers, 1102s, program managers, and budgeting professionals cut through friction, keep compliance airtight, and sharpen decisions. Our federal focus brings efficiency

Full-time

USD 100,000.00 - 150,000.00 per year

Windows / Linux Admin

Remote

•

2d ago

Windows / Linux Admin DETAILS Location: Remote Position Type: 12M+ Contract Hourly / Salary: to $70W2+ (based on experience-level) JOB SUMMARY Vaco is currently seeking a Windows / Linux Administrator for a 12M+ Contract opportunity that is remote. The Windows / Linux Administrator will focus on providing enterprise Windows / Linux Server Administration while modernizing and automating infrastructure operations. The Windows / Linux Administrator will maintain the health, stability, performance

Easy Apply

Contract

$90

Linux Engineer

Hybrid in Chicago, Illinois

•

8d ago

A client of Innova Solutions is immediately hiring for a Linux Engineer Position type: Contract/FTE Duration: 12+ Months Location: Chicago, IL 60661 (Hybrid 3 days in office) As a Linux Engineer you will: Design, implement, and maintain infrastructure automation solutions using Ansible and Ansible Tower. Develop, manage, and optimize Ansible playbooks for server provisioning, configuration management, and operational tasks. Support and maintain Linux-based environments, ensuring stability,

Easy Apply

Contract

Depends on Experience

ARM Linux Build & Packaging Engineer / Linux Distribution Systems Engineer

Remote

•

Yesterday

Job Description: Experience in Linux distribution packaging and build systems.Package Management: Deep background in Debian packaging (dpkg, apt, debuild), metapackage creation, and repository maintenance.Systems Programming: Proficiency in C/C++, Bash, and Python for low-level build script modifications.Dependency Auditing: Experience resolving cross-compilation conflicts, library dependencies, and multi-arch build issues. Job Responsibilities: Audit all internal software dependency definitions

Easy Apply

Third Party, Contract

Depends on Experience

Lead Linux / infrastructure Automation Engineer

Hybrid in Chicago, Illinois

•

25d ago

Lead Linux - Infrastructure & Automation Engineer SALARY: $160k - $170k flex to $175k LOCATION: Chicago, IL Hybrid 3 days onsite Looking for a candidate with 7 years infrastructure engineering with linux redhat, Kubernetes openshift automation. Ansible, terraform. This role drives the architecture and ongoing evolution of enterprise Kubernetes platforms, with deep focus on Infrastructure as Code, CI/CD, and GitOps practices that improve platform reliability, security, and delivery speed. Respon

Easy Apply

Full-time

160,000 - 170,000

Systems Engineer / Site Reliability Engineer

Remote

•

3d ago

Role Summary This role involves managing and supporting large-scale Linux infrastructure within a data center environment. The candidate will be responsible for handling operational tasks, troubleshooting hardware issues, and ensuring the smooth functioning of network and system services. The position requires autonomous work, technical decision-making, and participation in site build-out activities with automated and repetitive processes. Responsibilities Triaging hardware errors and diagnosin

Easy Apply

Third Party, Contract

Depends on Experience

Senior Linux Systems Engineer, Low Latency, Onsite in Chicago, IL - R

Chicago, Illinois

•

Today

Senior Linux Systems Engineer, Low Latency, Onsite in Chicago, IL We are looking to hire a highly talented Senior Linux Systems Engineer to join the technology team. This Senior Linux Systems Engineer position is 100% Onsite and NOT open for Remote. Senior Linux Systems Engineer Responsibilities: - Work collaboratively with technology and business teams on all aspects of a global trading and research infrastructure. - Research and implement enhancements to infrastructure systems as well as auto

Easy Apply

Full-time

$150,000 - $175,000

Linux Systems Engineer

Chicago, Illinois

•

9d ago

Linux Systems Engineer: Chicago, ILAbout the jobWe're looking for a Linux Engineer with strong systems knowledge and Python/scripting skills to join our expanding global team. You'll build and run Linux at scale in a business-critical environment, and improve the automation and self-service tooling we use to manage our server estate.The Linux Engineering group owns provisioning, configuration, performance and reliability for a large Linux infrastructure that runs many kinds of workloads. These i

Easy Apply

Full-time

250 - 350

Linux System Administrator jobs in Illinois, USA