linux / unix systems administrator Jobs in chicago, il

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Oracle SOA/ Middleware Administrator

CACI International, Inc.

Remote

Full-time

Oracle SOA/ Middleware Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: None * * * The Opportunity: The desired candidate will work in a team administering a SOA/Middleware solution and perform daily health check of SOA/Middleware components, apply approved SOA/Middleware builds in pre-prod and Production environments, advise on change requests

Technical Curriculum Developer - Network Security

PaloAlto Networks

Remote or Santa Clara, California, USA

Full-time

Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. We have the vision of a world where each day is safer and more secure than the one before. These aren't easy goals to accomplish - but we're not here for easy. We're here for better. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as com

Infrastructure Engineer II - Network

Sutter Health

Remote or Sacramento, California, USA

Full-time

We are so glad you are interested in joining Sutter Health! Organization: SHSO-Sutter Health System Office-Valley Position Overview: This is a graves shift position This is a hybrid role with the successful candidate working on-site in Sacramento when required. The Infrastructure Engineer II is responsible for troubleshooting and monitoring enterprise-level data center, campus, WAN, and wireless networks. This role requires experience in a multi-platform environment, including Cisco, Palo Al

Senior Staff Information Security Engineer

ServiceNow, Inc.

Remote or Orlando, Florida, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Senior Staff Information Security Engineer

ServiceNow, Inc.

Remote or West Palm Beach, Florida, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Senior Staff Information Security Engineer

ServiceNow, Inc.

Remote or Salt Lake City, Utah, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Senior Staff Information Security Engineer

ServiceNow, Inc.

Remote or Charlotte, North Carolina, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Senior Staff Information Security Engineer

ServiceNow, Inc.

Remote or Atlanta, Georgia, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Full-Stack Developer/Application DBA

RTX Corporation

Remote or Utah, USA

Full-time

Date Posted: 2025-03-14 Country: United States of America Location: UT82: UT-CA-Corp Remote Location, Remote City, CA, 94203 USA Position Role Type: Remote RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known scienc

Systems Engineer

Robert Half

Remote or Glendale, California, USA

Contract

Description Location: Hybrid - Glendale, CA (Onsite 2 days or less per week) Pay Range: $87-$93 per hour with benefits Position Overview We are offering an exciting contract opportunity for a Senior Systems Engineer based in Glendale, CA, who will contribute to the development of innovative systems and platforms that support extraordinary experiences at our theme parks and resorts. In this role, you'll be instrumental in automating, building, and monitoring vital systems at scale while ensuri

ELEs2 Database Analyst Expert - Remote

General Dynamics

Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Database Analysis/Design Job Qualifications: Skills: Database Implementation, Database Management, Database Management Systems (DBMS) Certifications: CISSP - ISC2 Experience: 10 + years of related experience ship Required: Yes Job Description: Join General Dynamics IT and be a part of a team that solve some o

Windows System Engineer

Mass General Brigham

Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated At Mass General Brigham, we know it takes a surprising range of talented professionals to advance our mission-from doctors, nurses, business people and tech experts, to dedicated researchers and systems analysts. As a not-for-profit organization, Mass General Brigham is committed to supporting patient care, research, teaching, and service to the community. We place great value on being a diverse, equitable and inclusive organization as we aim to reflect t

Site Reliability Engineer (Temp to Perm)

Leidos

Remote or Brownsville, Texas, USA

Full-time

Will have 75% travel for this role. Come put your Site Reliability Engineer (SRE) skills into action! Leidos has openings for talented SREs to join our team and work real-time hands-on fielding challenges and develop reusable solutions that support our customers in any environment. You will have the opportunity to contribute to the design requirements and implementation of improvements that accelerate the secure delivery, implementation, and sustainment of software in the field. You will automa

Field Support Engineer

Parsons Services Company

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: Do you enjoy taking on unique problem sets which require creative solutions, all in

Senior Server Infrastructure Engineer (Hybrid - Lithia Springs)

Carmax, Inc.

Remote or Lithia Springs, Georgia, USA

Full-time

8126 - Atlanta Data Center - Care of: Switch, Lithia Springs, Georgia, 30122 CarMax, the way your career should be! About this job About this job At CarMax, we are industry disruptors. At the heart of our innovation is new digital products. We are seeking a highly experienced and skilled Senior IT Infrastructure Specialist to join our dynamic Technology department. The ideal candidate will have a strong background in IT infrastructure and server management, with a deep understanding of both

Server Infrastructure Engineer II (Hybrid- Las Vegas)

Carmax, Inc.

Remote or Las Vegas, Nevada, USA

Full-time

8127 - Las Vegas Data Center - Care of: Switch, Las Vegas, Nevada, 89139 CarMax, the way your career should be! About this job At CarMax, we are industry disruptors. At the heart of our innovation is new digital products. We are seeking a highly experienced and skilled IT Infrastructure Specialist to join our dynamic Technology department. The ideal candidate will have a strong background in IT infrastructure and server management, with an understanding of both physical and virtual environmen

Infrastructure Engineer II - Server

Sutter Health

Remote or Sacramento, California, USA

Full-time

We are so glad you are interested in joining Sutter Health! Organization: SHSO-Sutter Health System Office-Valley Position Overview: This is a swing shift position This is a hybrid role with the successful candidate working on-site in Sacramento when required. The Infrastructure Engineer II is responsible for troubleshooting and monitoring enterprise-class server hardware in both datacenter and edge compute environments. This role requires expertise in VMWare infrastructure, experience with

Senior Staff Information Security Engineer

ServiceNow, Inc.

Remote or Milwaukee, Wisconsin, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Senior Infrastructure Engineer

U-Haul International, Inc

Remote or Phoenix, Arizona, USA

Full-time

Location: 2727 N Central Ave, Phoenix, Arizona 85004 United States of America U-Haul is seeking an experienced Senior Infrastructure Engineer with a strong background in Kubernetes, Automation, Linux, Scripting, and Load Balancing. Primary Responsibilities: Take ownership of assigned projects and actively drive them to completion. Leverage new and existing technologies to help Teams achieve their automation goals. Proactively evaluate the security of new and existing solutions. Work with secur

Security Incident Response

Lincoln Financial Group

US

Full-time

Alternate Locations: Work from Home Work Arrangement: Remote : Work at home employee Relocation assistance: is not available for this opportunity. Requisition #: 74030 The Role at a Glance This position continuously monitors the alert queue; investigates security alerts; monitors health of security sensors and endpoints; collects data and context necessary to initiate IR response. In addition, the analyst will be responsible for maintaining multiple security technologies for detecting and p