Linux Jobs in Illinois

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Mainframe Infrastructure Engineer / Mainframe Systems Administrator

DCM Infotech Limited

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Remote

Contract

Role:Mainframe Infrastructure Engineer / Mainframe Systems Administrator Location: Remote Duration:12+ Months contract Mainframe hardware infrastructure (z15/z16/HMC/DS8000/TS7700/TS4500/FlashSystems) o Cisco or Brocade SAN switches, storage fabric & management tools such as SANNAV o Firewalls & Proxy policy management o Enterprise disaster recovery, high availability, data replication technologies o Unix/Linux/Bash/SSH o IBM z/OS (Mainframe) and z/VM (zLinux) o Mainframe IO GEN & FICON o Servi
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Posted 1 day ago | Updated 7 hours ago

Senior Infrastructure Engineer - Plex

Rockwell Automation

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Remote or Troy, Michigan, USA

Full-time

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world
Posted 22 days ago | Updated 4 hours ago

Network Security Engineer

Motion Recruitment Partners, LLC

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Chicago, Illinois, USA

Full-time

A North American third-party logistics (3PL) firm is seeking to hire a Network Security Engineer to join their team in the greater Chicago area. With an expansive fleet of trucking, marine, and rail transportation assets, they provide comprehensive logistics solutions to a variety of industries across the United States, Mexico, and Canada. This contract-to-hire role will be directly responsible for administering systems to ensure network security, as well as developing response tactics to mitiga
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Posted 18 days ago | Updated moments ago

Software Engineering Senior Advisors- Hybrid

Cigna

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Remote or Chattanooga, Tennessee, USA

Full-time

The job profile for this position is Software Engineering Senior Advisor, which is a Band 4 Senior Contributor Career Track Role with Cigna-Evernorth Services Inc. Responsibilities- Build components of software platforms and collaborate with Application Development teams regarding design patterns, best practices, approved technologies, tools, and solutions.Build technology platforms that are modern, scalable, and highly available.Design application components to fit within the solution architec
Posted 54 days ago | Updated 4 hours ago

Senior Site Reliability Engineer - SAP Basis and Cloud Operations

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation that's fueled by great technology-and amazing people. Today, we're tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what's never been done before takes vision, innovation, and the world's best talent.
Posted 9 days ago | Updated 4 hours ago

Incident Response Lead - IT, Cybersecurity Fusion Center

Gilead Sciences, Inc.

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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
Posted 54 days ago | Updated 4 hours ago

Senior Cloud Engineer

CVS Health

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Arizona, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 23 days ago | Updated 4 hours ago

Senior Engineer, Advanced Computing - HPC/Kubernetes

Balyasny Asset Management

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Chicago, Illinois, USA

Full-time

BAM is seeking an innovative and driven self-starter for a Senior Engineer position in the Advanced Computing Engineering team. Candidates must embody a mindset of continuous learning and innovation to deliver solutions that help drive the success of the business. As a Senior Engineer, you will: Contribute and build our HPC environment used for research. Develop and maintain our global storage offering for the firm across multiple datacenters and environments. Contribute to our Linux servers.
Posted 60+ days ago | Updated 4 hours ago

Senior Operating System Specialist - THURS/FRI OFF DAYS

GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for MULTIPLE Senior Operating Systems Specialist(s) to support our customer, USPS' Network and Compute Technology (NCT) group. The NCT is responsible for the planning, development, implementation, and support of the USPS network and compute technology infrastructure. NCT enhances the postal network by implementing network segmentation, which divides the network into smaller parts to mitigate cybersecurity risks and improve performance. The NCT department man
Posted 11 days ago | Updated moments ago

Technical Production Support Analyst with Jack Henry Exp -- REMOTE Position

Amtex Enterprises

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Remote

Contract, Third Party

Technical Production Support Analyst Location: Remote- Time zone (if applicable): EST preferred Duration: 6+ Months - Contract to Hire - Long term position Rate: $30-35/hr on W2 or $35-40/hr on C2C or 1099 What You'll Need Required: Bachelor's or Associate's Degree in Information Technology or related field, or equivalent experience 3-5 years of experience in application or production support Experience with Jack Henry application products (e.g., Silverlake, XPerience, Synergy) AS/400 experienc
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Posted 12 days ago

AWS Software Developer

GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for AWS Software Developer with DevSecOps experience to provide development, support, architecture, and leadership for a government application being moved into the AWS cloud. This position will be located in Alexandria Virginia and will be a fully remote position. This is a temporary position, likely to only last from 8/1/2025-3/20/2026 Responsibilities Builds and codes applications and/or modules using languages and environments such as Java, Angular, AWS
Posted 22 days ago | Updated moments ago

Sr. Cyber Security Analyst - Incident Response

T. Rowe Price

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Remote or Maryland, USA

Full-time

Requisition Number: 76941 Position Title: External Description: Role Summary We're looking for a passionate and highly motivated professional to serve as a senior member of our Incident Response program. The Senior Cyber Security Analyst will use his or her experience and expert knowledge to defend our networks, systems, and data from attack. Understanding current tactics, techniques, and procedures used by adversaries you will apply that knowledge to the investigation of cyber-attacks, ensurin
Posted 54 days ago | Updated 4 hours ago

Data Scientist

General Dynamics

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Remote

Full-time

Basic Qualifications Education Requirements: Requires a Bachelor's degree in Engineering, or a related Science or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position The Deep Learning Analytics Center of Excellence (DLA CoE) at General Dynamics Mission Systems is actively seeking an experienc
Posted 32 days ago | Updated 4 hours ago

Enterprise Application Administrator

RTX Corporation

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Massachusetts, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: RMA99: RTN Remote, Massachusetts Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are consi
Posted 46 days ago | Updated 4 hours ago

Data Integration Developer

VRTek Consulting

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Remote

Contract

Hello, Hope you are doing great Please let me know if you are available for a new role Title: Data Integration Developer Contract: Ongoing contract (Only W2 candidates) Location: Remote Description :- Top Must Haves: Experience working with large-scale data pipelines and cloud infrastructure ( cloud ETL tools like Glue etc., and Data Warehousing solutions like Redshift etc., )Knowledge of Deploying and maintaining cloud-based infrastructure for data workflows (e.g., AWS, Google Cloud Platform,
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Posted 1 day ago

Senior Software Engineer - Hardware Developer Experience

Block Inc

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California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across
Posted 4 days ago | Updated 4 hours ago

Lead AWS Monitoring & Observability Engineer

Fannie Mae

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Remote or Reston, Virginia, USA

Full-time

At Fannie Mae, the inspiring work we do helps make a home a possibility for millions of homeowners and renters. Every day offers compelling opportunities to impact the future of the housing industry while being part of a collaborative team thriving in an energizing environment. Here, you will grow your career and help create access toaffordable housing finance. Job Description As a valued colleague on our team, you will act as the team lead in designing and developing advanced solutions for in
Posted 60+ days ago | Updated 1 hour ago

IT Support Technician

Virginia Jobs

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Remote or Blacksburg, Virginia, USA

Full-time

Job Description The IT Support Technician role involves supporting the day-to-day onsite information technology needs of designated departments within the Virginia Tech Transportation Institute with approximately 500+ computers, servers, and end users. This role serves a diverse user base with varying technical skill levels, including developers, analysts, researchers, and administrative staff. Support includes hands-on assistance with user devices and applications, including tasks such as inst
Posted 13 days ago | Updated 4 hours ago

Software Engineer - Hybrid Cloud Networking

Microsoft Corporation

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Remote

Full-time

Microsoft Azure is in the cloud race to win it. We are part of the Azure networking team responsible for designing, building, and operating network connectivity, application load balancing, and security. These services include ExpressRoute, Virtual Private Network (VPN), Azure Firewall, Bastion, Application Gateway, Web Application Firewall, Virtual Wide Area Network (Virtual WAN), and the Virtual Network Functions platform. At the core of these services is a solid Software-Defined Networking (
Posted 25 days ago | Updated 4 hours ago

System Administrator

Nightwing

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Remote or Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 51 days ago | Updated 4 hours ago