Windows/Linux System Administrator Jobs in Chicago, IL

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Senior CNO Software Engineer - OS, Hypervisor, UEFI/BIOS Specialist

Draper

Remote or Reston, Virginia, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas

Software Engineer- Platform Identity (C++)

Splunk Inc.

Remote or Boulder, Colorado, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor

Staff Engineer II, Firmware (Hybrid)

Becton Dickinson & Company

Remote or Milpitas, California, USA

Full-time

Job Description Summary Seeking an experienced staff level Firmware Development Engineer to play a leading role in developing high quality instrument control firmware for BD's line of flow cytometers. As a leading member of the firmware development team, you will be responsible for architecting, developing, debugging, and documenting robust and reliable firmware to satisfy the product requirements. Must be detail-oriented, process-focused, and results-driven. Are you ready to make a difference

Incident Response Lead - IT, Cybersecurity Fusion Center

Gilead Sciences, Inc.

Remote or Foster City, California, USA

Full-time

At Gilead, we're creating a healthier world for all people. For more than 35 years, we've tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer - working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world's biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference. Every member of Gilead's team plays a critical ro

Site Reliability Engineer III

JPMorgan Chase & Co.

Chicago, Illinois, USA

Full-time

Job Description Job Description We have an exciting and rewarding opportunity as a Technology Support Engineer at JPMorgan Chase within the Corporate and Investment Bank, Payments Technology Team. As a Technology Support team member, you will ensure the operational stability, availability, and performance of our production application flows, with a particular emphasis on AWS technologies. Encourage a culture of continuous improvement as you troubleshoot, maintain, identify, escalate, and resol

Technology Product Management Senior Lead Analyst

Citi

Remote or Tampa, Florida, USA

Full-time

Citibank, N.A. seeks a Technology Product Management Sr Lead Analyst for its Tampa, Florida location. Duties: Provide leadership of onsite and offshore teams and manage project timelines that are consistent with strategic business and technical objectives. Track and manage critical technology projects from initiation to successful completion. Responsible for the quality of the code written using Java, Python, SQL language for Hadoop, Cloudera, Spring, Machine Learning, frameworks with Impala, H

Sr Cloud Platform Architect (United States (Remote), US)

Landis Gyr

Remote or Oregon, USA

Full-time

At Landis+Gyr, we don't just manage energy-we lead the transformation toward a smarter and more sustainable energy future. With a net revenue of USD 1.73 billion in FY 2024, and a presence in over 30 countries across five continents, Landis+Gyr empowers utilities and consumers to optimize energy usage through advanced metering, grid-edge intelligence, and powerful data analytics. Today, our global team of about 6,300 professionals is shaping the digital energy era-developing innovative technol

Senior Platform Engineer

Dimensional Fund Advisors LP

Remote

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

Site Reliability Engineer (Entry Level - Hybrid)

Thomson Reuters U.S. Inc.

Remote or Eagan, Minnesota, USA

Full-time

Site Reliability Engineer Thomson Reuters is the leading source of intelligent information for the world's businesses and professionals, providing customers with a competitive advantage. Our team is responsible for ensuring the reliability and resiliency of our largest online products. This role executes reliability engineering, operational readiness, ongoing change planning and implementation, incident detection and resolution, and compliance for a portfolio of applications and infrastructure

Information System Security Officer

Lockheed Martin Corporation

Remote or Moorestown, New Jersey, USA

Full-time

Job Description Lockheed Martin is a Cyber Security pioneer, partner, innovator and builder. Our amazing employees are on a mission to make a difference in the world and every single day we use our unique skills and experiences to create, design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to think big, perform with excellence and build incredible products? We provide the resources, inspiration and focus - i

Sr. Web Platform Administrator Analyst (REMOTE)

Trinity Health

Remote or Livonia, Michigan, USA

Full-time

Employment Type: Full timeShift: Description: Essential Job Functions to include: Provides technical expertise to team members, business analysts, management and clients. Serves as a mentor to less technically experienced team members; assigns work and provides training and guidance on system functionality and software products.Analyzes, troubleshoots, and resolves highly complex hardware, software and connectivity issues. Researches and evaluates a variety of reports, job logs, scheduled job

Murex Multiple Roles (Support, Architect & Functional) remote

Encore Consulting Services

Remote

Contract

1).Client Name Persistent Systems Ltd.Indent ID TBCPTalent Job# TBCPosition Title Murex XVA Senior Business AnalystLocation Remote but preferred local candidates in New JerseyDuration ContractInterview Process PSL Internal interview and client interviewJob DescriptionSummary IT Front Office is looking for Murex xVA Senior Business Analyst. Principal Duties and Responsibilities Responsible for the development and support of systems for the XVA Trading desk. Major tasks include: Writing functiona

DevOps Engineer

SynergisticIT

Remote

Contract

Our client, a large public sector organization, is seeking a DevOps Engineer for a remote, 12-month contract position. You will support the migration of an enterprise application from its current cloud environment to an on-premise server infrastructure. Job DescriptionThe DevOps Engineer will play a critical role in managing the implementation and configuration of hardware and software environments for various enterprise applications. The role involves gathering and analyzing system requirements

Storage Engineer

Tradeweb Markets LLC

Remote or New York, New York, USA

Full-time

Company Description Tradeweb is a global leader in electronic trading for rates, credit, equities, and money markets. As financial markets become increasingly interconnected, our technology enables efficient, multi-asset trading on a global scale. We serve more than 3,000 clients in more than 85 countries, including many of the world?s largest banks, asset managers, hedge funds, insurers, corporations, and wealth managers. Creative collaboration and sharp client focus have helped fuel our organi

Senior Kubernetes Platform Engineer

Leidos

Remote

Full-time

Leidos has a current opening for a Senior Kubernetes Platform Engineer to play a pivotal role in our dynamic team based out of Blacksburg, Virginia. This role allows partnering with a distinguished team of professionals to advance internal and client projects focusing on application containerization, automation, and redesign/re-architecture clusters supporting mission-critical applications hosted on Kubernetes. Utilize your expertise to assist with the consultation and design of infrastructure t

HPC Systems Admin

General Dynamics

Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Systems Engineering Job Qualifications: Skills: High-Performance Computing (HPC) Systems, Linux System Administration, Python (Programming Language), Scripting, SUSE Linux Enterprise Server (SLES) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: At GDIT, people are ou

Software Test Engineering Intern/Co-Op (Undergraduate | Fall 2025 | Hybrid)

AMD (Advanced Micro Devices)

Remote or Santa Clara, California, 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

Linux Admin with GPU

Laiba Technologies LLC

Remote

Contract

(GPU- Graphics Processing Unit), Storage Setup, RAID Position-3 "What We'll Expect From You: Significant experience administering Linux servers o Familiarity with deb packaging, archive administration or image building is a plus Moderate experience with Python, Ruby, or Golang Familiarity with Git ww Familiarity with Shell Scripting Familiarity with continuous integration systems and concepts o Familiarity with Git-hub Actions or Concourse is a plus ww An interest in contributing work upstream

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

Diversified Technology, Inc.

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

Lead Software Engineer

Parsons Services Company

Remote or Colorado Springs, Colorado, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is seeking an amazingly talented Software Engineer Lead to join our growing