Linux / Unix Systems Administrator Jobs in Colorado

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321 - 340 of 425 Jobs

Sr. Integration Systems Engineer

Parsons Services Company

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Boulder, 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: Our Space Operations directorate is passionate about making America the undisputed l
Posted 41 days ago | Updated 8 hours ago

Network Administrator

Kratos Defense and Security Solutions, Inc.

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Colorado Springs, Colorado, USA

Full-time

Job Description Ready for What's Next? At Kratos, we encourage an entrepreneurial spirit balanced with discipline. We work hard, and take care of our customers, employees, and families. Recognized as thought leaders in our industry, we are motivated by creating and delivering innovative solutions to our nation and global customers. Kratos is looking for a Network Administrator 4 to provide multi-disciplined support to a classified facility and organization. The primary function is working with
Posted 60+ days ago | Updated 5 hours ago

Graphics Software Infrastructure Engineer, Senior

Qualcomm Technologies

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Boulder, Colorado, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Graphics Software Engineering General Summary: As a leading technology innovator, Qualcomm pushes the boundaries of what's possible to enable next-generation gaming, XR, and AI experiences. Qualcomm Graphics Software Infrastructure Engineers design, build, and operate the tools and software products necessary to develop those experiences. This encompasses all aspects of the software lifecycle from building d
Posted 60+ days ago | Updated 8 hours ago

Site Reliability Engineer (Temp to Perm)

Leidos

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Remote or Brownsville, Texas, USA

Full-time

This position will require up to 75% travel 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 wi
Posted 33 days ago | Updated 8 hours ago

Cleared DevOps Cloud Computing Engineer Architect

SAIC

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Remote

Full-time

Job ID: 2507849 Location: REMOTE WORK, TX, US Date Posted: 2025-07-23 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: Yes Description SAIC is seeking a highly motivated DevOps Cloud Computing Engineer Architect with an active Secret clearance to join our Cloud One team Government A1 Enclave by Cloud On
Posted 14 days ago | Updated 6 hours ago

Storage Engineer

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 46 days ago | Updated 8 hours ago

Sr. Engineer 2 - Infrastructure Platform Engineering

Publix

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Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 50 days ago | Updated 1 hour ago

IT Manager, Data Operations (Hybrid)

UMB Financial Corporation

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Remote or Kansas City, Missouri, USA

Full-time

The Data Operations teams maintain stability and security of UMB application and analytics data, along with securing and administering tools for MDM, governance, retention, ETL/ELT, encryption, and masking, combined with maintaining or advising on the audit strength of each. The teams provide administration and availability around the clock in support of numerous UMB products ranging from on-premises applications with traditional datastores, all the way to serverless technology utilizing infrast
Posted 60+ days ago | Updated 8 hours ago

Sr. Engineer 2 - Infrastructure Platform Engineering

Publix

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Remote or Alpharetta, Georgia, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 50 days ago | Updated 1 hour ago

System Administrator

Kratos Defense and Security Solutions, Inc.

•

Colorado Springs, Colorado, USA

Full-time

Job Description Ready for What's Next? Kratos is a company that strives to innovate and collaborate to make the world a better place. From ground control to outer space, you can contribute to work that matters with a company where diversity, integrity and inclusion are shared values. We're committed to fostering an environment for every teammate that's welcoming with great opportunity for professional growth. Find your future together with us. Kratos Space is seeking an experienced System Admin
Posted 60+ days ago | Updated 5 hours ago

Technical Curriculum Developer - Network Security

PaloAlto Networks

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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
Posted 60+ days ago | Updated 8 hours ago

Systems Administrator

Unisys

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Remote

Full-time, Contract

Note: This role requries to be .UNISYS Location: US Remote Type: Long- TERM contract Job Title: Systems AdministratorResponsible for supporting the functionality and efficiency of one or more operating systems. Deliver second level remote hardware and software/OS support services to clients to resolve product use and multi-product/platform problems and questions relating to enterprise systems, networks and application software, as well as desktop applications. Perform remote installation of appl
Easy Apply
Posted 60+ days ago | Updated 3 hours ago

Systems Sr Administrator

Unisys

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Remote

Contract

CompuGain is an Information Technology and Business Consulting firm providing project-based solutions, software solutions and professional staffing services. -"Those authorized to work in the United States are encouraged to apply. We are unable to sponsor currently. Position: Systems Sr Administrator Location: Remote Length: Long Term Key Responsibilities Responsible for supporting the functionality and efficiency of one or more operating systems.* Lead teams in the delivery of second and/or th
Easy Apply
Posted 60+ days ago | Updated 3 hours ago

JEMINI Software Engineer

Judge Group, Inc.

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Fort Carson, Colorado, USA

Contract

Location: Fort Carson, CO Salary: $65.00 USD Hourly - $70.00 USD Hourly Description: Our client is currently seeking a Candidate who is hold Secret is required to start. Ability to be cleared at TS/SCI. JEMINI Software Engineer This position is for a Mid- Level Software Engineer on the C2BMC JEMINI program. The candidate will primarily be responsible for software development using Java. Onsite 100% Colorado Springs, CO. Required Qualifications: Java experience Effective oral and written
Posted 60+ days ago | Updated 5 hours ago

ELEs2 Database Analyst Expert - Remote

General Dynamics

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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
Posted 60+ days ago | Updated 8 hours ago

Senior Server Infrastructure Engineer (Hybrid - Lithia Springs)

Carmax, Inc.

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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
Posted 60+ days ago | Updated 8 hours ago

DevSecOps Engineer III

Sierra Nevada Corporation

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Lone Tree, Colorado, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 59 days ago | Updated 8 hours ago

Security Incident Response

Lincoln Financial Group

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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
Posted 60+ days ago | Updated 5 hours ago

Senior System Software Engineer, NCCL - Partner Enablement

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. The GPU, our invention, serves as the visual cortex of modern computers and is at the heart of our products and services. Our work opens up new universes to explore, enables amazing creativity and discovery, and powers what were once science fiction inventions from artificial intelligence to autonomous cars. We are the GPU Communications Libraries and Networking tea
Posted 60+ days ago | Updated 8 hours ago

JEMINI Software Engineer

Judge Group, Inc.

•

Colorado Springs, Colorado, USA

Contract

Location: Colorado Springs, CO Salary: $65.00 USD Hourly - $70.00 USD Hourly Description: Secret Clearance to Strat Our client is currently seeking a JEMINI Software Engineer Colorado Spring, CO Onsite 100% "This position is for a Mid- Level Software Engineer on the C2BMC JEMINI program. The candidate will primarily be responsible for software development using Java. Technical Skills Required "Required Qualifications: Java experience Effective oral and written communication skills Abilit
Posted 60+ days ago | Updated 5 hours ago