Linux / Unix Systems Administrator Jobs in Chicago, IL

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Java Full Stack Engineer C12 - Tampa

Citi

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Remote or Tampa, Florida, USA

Full-time

Apps Dev Senior Java Analyst AMCSSI is the strategic reference data settlement instruction repository. The application must support backward compatibility to the legacy SSI platform, as well as integrate with Middle and Back Office systems to consume settlement instructions from the strategic platform. System performance and data quality are vital in ensuring stability in daily transaction processing. Potential Candidates must have experience with, and be enthusiastic about, developing all are
Posted 16 days ago | Updated 12 hours ago

Linux Systems/Elastic & Application Support Engineer

InfoVision, Inc.

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Remote

Contract

We are looking for Application Support Engineer with our direct client. Title:Linux Systems/Elastic & Application Support Engineer Duration: 12 months Location: Remote Job Description: Our Global Technology Solutions group is looking for a Senior Systems & Software Engineer to lead and collaborate with portfolio teams across all LOBs to support a framework that combines engineering and application development to drive operational stability. The ideal candidate will collaborate with the core t
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Posted 60+ days ago | Updated 20 days ago

Oracle Apps DBA

Padmas Technology LLC

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Remote

Contract, Third Party

Job Summary:We are seeking a skilled and experienced Oracle Apps DBA to manage and support Oracle E-Business Suite (EBS) environments and associated Oracle databases. The ideal candidate will be responsible for installation, configuration, cloning, patching, upgrades, performance tuning, backup & recovery, and support of Oracle Applications and databases. You will collaborate closely with infrastructure, development, and functional teams to ensure system reliability, performance, and security. K
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Posted 19 days ago

Director, Data Governance and onboarding Leader ( Apps Development Sr Group Mgr )- C15

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. Citi's Mission and Value Proposition explain what we do and Strategy explain how we do it. Our mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and eco
Posted 7 days ago | Updated 12 hours ago

AI Engineer Sr (Mid-Career) - Classified Deployments / Hybrid

Lockheed Martin Corporation

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Remote or King of Prussia, Pennsylvania, USA

Full-time

Job Description When it comes to using cutting-edge machine learning to tackle complex problems, Lockheed Martin is driven by a singular mission focus and desire to continuously innovate! Today's challenges to global security aren't just changing - they're accelerating faster than ever before. Through our dedication to our mission, our AI-enabled systems are changing the way militaries operate and protect their forces, the way first responders fight fires, and how researchers explore the far re
Posted 44 days ago | Updated 12 hours ago

Linux Engineer

Motion Recruitment Partners, LLC

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Chicago, Illinois, USA

Full-time

A large-scale communications company is looking for a Network Engineer with an expertise in using Linux Systems. This Chicago based company has a proven record of providing exceptional tech support to their clients. The Linux Engineer position requires knowledge of Network Protocols, Cloud Platforms, IaC as well as configuration management tools. Join a company that prioritizes innovation and professional development. This an excellent opportunity for experienced Engineers to use their unique kn
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Posted 60+ days ago | Updated 7 hours ago

Secure Email Gateway Specialist- remote

Calance

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Remote or Ogden, Utah, USA

Contract

Job Description: Client is seeking a full-time technical resource to support secure email gateway and web application firewalls. The candidate will perform both operational support and make recommendations for design improvements Essential Duties And Responsibilities: Experience with Secure Email Gateways. Proficiency in managing, configuring, and troubleshooting SEG platforms, specifically Proofpoint and Abnormal Understanding of email protocols such as SMTP, IMAP, POP3 and email security te
Posted 31 days ago | Updated 8 hours ago

Software Engineer II - Remote -

Akamai Technologies

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Cambridge, England, United Kingdom

Full-time

Are you interested in leading innovation into new security product areas? \n Do you love collaborating with teams to solve complex problems? \n Join our Global Web Security Group \n We design and develop innovative solutions to help our customers protect their websites and secure online transactions. Powering over 85% of the top online retailers every day, we work collaboratively, using cutting-edge technology to prevent data theft and downtime. \n Partner with the best \n In tis role you'll eng
Posted 60+ days ago | Updated 12 hours ago

Cloud Automation Engineer / IBM MFT

Shimento, Inc.

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Remote

Contract, Third Party

Title: Cloud Automation Engineer Location: Hybrid Duration: 12 Months Qualifications: 3+ years of Clout/Automation Engineering experience5+ years Unix/Linux administration experienceRecent, demonstrable experience with automated build and system configuration tools such as Terraform, Packer, Chef, Puppet, Ansible, Kubernetes, etc.Experience with common AWS services such as S3, EC2, ASG, ELB, SFTP, CloudFormation, CloudTrail, CloudWatch, Lambda, etc.AWS Certification and/or experience utilizing
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Posted 14 days ago | Updated 17 hours ago

Prisma Access Engineer

Booz Allen Hamilton

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Remote

Full-time

Job Number: R0218785 Prisma Access Engineer Key Role: Work with clients and peers to build and maintain a high-performing, cloud-based zero-t rus t network access ( ZTNA ) capability based on Palo Alto's Prisma Access solution. Develop highly scalable and resilient solutions to meet our client's strategic goals and operational needs, including implementation of user- and device-based c ond itional network access, network micro-segmentation, and organizational-specific network access policy anal
Posted 15 days ago | Updated moments ago

Security Engineer (SIEM/SOAR/SOC Optimization) - Mid-Atlantic region (Remote in NC, VA, WV, MD, DC, DE, NJ, or PA)

GuidePoint Security

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Remote or North Carolina, USA

Full-time

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk. Note: This is a remote position but applicant
Posted 8 days ago | Updated 8 hours ago

IoT Software Engineer Intern (Boulder, CO - Summer 2025)

Splunk Inc.

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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
Posted 60+ days ago | Updated 12 hours ago

Applications Support Tech Lead Analyst

Citi

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Remote or Irving, Texas, USA

Full-time

Citibank N.A. seeks an Applications Support Tech Lead Analyst for its Irving, TX location. Duties: Promote stability and quality of technical support services in line with Citi's regional strategy and technology management policies. Troubleshoot application production issues including testing, maintaining, and monitoring incorporated systems and programs and provide key support for Citi's Liquidity and Cash Management Applications. Analyze complex problems and situations and propose critical te
Posted 31 days ago | Updated 12 hours ago

Senior UI/UX Developer

Parsons Services Company

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Remote

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 looking for an amazingly talented Senior UI/UX Developer to join our team
Posted 1 day ago | Updated 12 hours ago

Secure Access Service Edge Engineer- VP

Citi

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Remote or Jacksonville, Florida, USA

Full-time

Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is
Posted 16 days ago | Updated 12 hours ago

Big Data and Java Developer - Hybrid

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

Prime Service Tech is working on multi-year growth initiative and consent order data remediation deliverables and as part of it, we are expanding our platform offering to markets quants and product development to build analytics using Python, hosting new data platform, creating new data pipelines and building robust monitoring and observability capabilities for Prime Tech. The senior developer will work on building data pipelines, creating APIs to access data, working closely with product develo
Posted 16 days ago | Updated 12 hours ago

Site Reliability Engineer L4/L5 - Live Cloud Platform SRE

Netflix, Inc.

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Remote or Los Gatos, California, USA

Full-time

Netflix is one of the world's leading entertainment services, with 283 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. Netflix has been changing how people watch shows and movies, enabling on-demand access to thousands of movies and TV shows. Recently, Netflix has expanded its entertainment
Posted 28 days ago | Updated 12 hours ago

Software Engineer

CACI International, Inc.

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Lisle, Illinois, USA

Full-time

Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * Primary Purpose: Under direct supervision, participate in research and innovation efforts on complex solutions to security challenges in telecommunications and IP/computer networking equipment in the cyber security domain on multiple hardware platforms utilizing Linux and/or Unix-bas
Posted 60+ days ago | Updated 22 days ago

Java PL/SQL Developer

Tradeweb Markets LLC

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Remote or Jersey City, New Jersey, 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 organ
Posted 6 days ago | Updated moments ago

Senior Cyber Security Analyst (Hybrid Role)

ICF

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Remote or Arlington, Virginia, USA

Full-time

ICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. We're seeking an experienced Senior Cyber Security Analyst to support the research and development of new cyber analytic capabilities to help the US protect and defend its networks and critical information systems. The successfully cleared candidate will be a senior cybersecurity analyst supporting a large federal cybersecurity analytic program. Your work w
Posted 60+ days ago | Updated 12 hours ago