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Denver, Colorado

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Linux Administrator in Denver, CO. Summary: This role requires a Senior Linux Administrator to support the list of tasks to support our Linux Server Administrator in support of our WebLogic Server and the Exalogic Migration project, currently underway. Tasks to complete involve: * Completing the migrations of 2 WebLogic environments from Exalogic to ExaUCS platform * Contracted resource would assist with troubleshooting/correction

Contract

$50 - $70 hourly

Senior Linux Systems Administrator - 10k Sign on Bonus

Aurora, Colorado

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Today

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting

Full-time

USD 116,350.00 - 210,325.00 per year

Senior Linux/Unix Systems Administrator

Remote or South Carolina

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Today

We are seeking a Senior Linux/Unix Systems Administrator to manage mission-critical systems in a 100% remote capacity. The Details Work Arrangement: 100% Remote (Must reside in the Continental US). Time Zone: Must be comfortable working EST hours. Location: Columbia, SC (Remote). Interview Process: 1 Round, Virtual. Core Responsibilities System Mastery (40%): Install, maintain, and tune system software for mission-critical performance and stability. Collaboration (35%): Act as the Subject Matt

Easy Apply

Contract

Linux Platform Engineer Senior I

Greenwood Village, Colorado

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Today

York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mi

Full-time

USD 120,000.00 per year

Senior Linux System Administrator Vice President

Remote or Irving, Texas

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Today

Job Overview: We are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance infrastructure team. This individual will serve as a subject matter expert (SME) on Linux systems, providing deep operational insight, advanced troubleshooting, performance tuning and capacity planning. Demonstrate a strong balance on hands-on expertise, automation mindset, and a strategic approach to system scalability, security, and lifecycle management. Respons

Full-time

USD 125,760.00 - 188,640.00 per year

Sr. Systems Administrator

Aurora, Colorado

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15d ago

Date Posted: 2026-03-27 Country: United States of America Location: US-TX-RICHARDSON-C27 ~ 1727 Cityline Dr ~ CITYLINE C27 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: TS/SCI with Poly - Current Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do i

Full-time

USD 68,900.00 per year

System Administrator, Sr / TS/SCI / Onsite: CO

Littleton, Colorado

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Today

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti

Full-time

USD 85,500.00 - 150,765.00 per year

Senior Unix/Linux Admin

Remote

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Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: This job opening is for an experienced Unix/Linux Administrator to pro

Full-time

USD 88,400.00 - 154,700.00 per year

Sr. Linux Systems Engineer

Remote or Hybrid in Tysons, Virginia

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18d ago

ITCON Services is seeking to hire a motivated and knowledgeable Sr. Systems Engineer (Sr. Linux Systems/Azure Cloud Engineer) to join our team. Location: Tysons, VA area Fully Remote is available for the right candidate Required Skills and Qualifications Has 10+ experience providing production support, platform/server administration support, and environment standardization for development, test, and Production for both Windows and Linux (Redhat and other)Experience with Linux hardening (CIS/STI

Easy Apply

Full-time

$120,000+

Senior Engineer - Linux Kernel

Remote or Austin, Texas

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Today

Senior Engineer - Linux Kernel Location: Austin, TX (Remote) About The Opportunity The Senior Engineer - Systems (Kernel Sustaining) provides technical expertise and leadership for maintaining Linux kernel components, drivers, and subsystems. Senior Engineers work independently on complex kernel issues, address CVE vulnerabilities, and mentor junior engineers in kernel development. In your daily job you will: Development & Implementation Maintain Linux kernel components, drivers, and subsystems

Full-time

Senior Linux Systems Engineer

Remote or Sterling, Virginia

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Today

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

Full-time

Senior M365 and Exchange Administrator

Remote

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Today

Job ID: T2601314 Location: Remote Work, VA, US Date Posted: 2026-03-05 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description ? We are seeking a highly skilled and motivated M365 Systems Administrator with expertise in Exchange SE, Office 365 Exchange Online, EntraID Connect. The ideal candidate w

Full-time

USD 80,001.00 - 120,000.00 per year

Systems Administrator Senior

Remote or Alabama

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Today

Job Description We are FIS. Our technology powers the world's economy and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients and communities. If you're ready to start learning, growing and making an impact with a career in fintech, we'd like to know: Are you FIS? NOTE: 1: In this role the candidate will be working at our Banking Client's locations hybrid (Virtual and onsite support as needed) around Troy (AL), Aubur

Full-time

Senior OmniPlus Developer (COBOL / VSAM) - OmniPlus and OmniScript platforms

Remote

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Today

We are seeking a highly skilled OmniPlus Developer / Product Specialist with strong experience in OmniPlus, OmniScript, Linux Shell Scripting, VSAM, and COBOL. The ideal candidate will have experience working in the retirement or insurance domain and will play a key role in designing, developing, and supporting enterprise product solutions. This role requires a proactive professional who can collaborate across teams, optimize legacy systems, and contribute to the development of scalable and secu

Easy Apply

Contract, Third Party

Depends on Experience

Senior C++ Security Engineer-ONLY W2

Remote

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7d ago

Senior C++ Security Engineer / BYD2222 Duration: 6 months Location: remote About the Role We are seeking a Senior C++ Security Engineer to support a FIPS-compliant initiative within a high-scale endpoint management platform. This role will focus on cryptographic system design, secure network communication, and cross-platform software development in C++. The ideal candidate has deep experience in modern C++ (C++14+), OpenSSL, and network programming, with a strong understanding of secure software

Easy Apply

Contract

$45 - $50

Senior Azure Cloud Engineer

Denver, Colorado

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Today

Job Description Summary This role will help drive and implement engineering solutions and strategies that will enable DevOps and Azure hybrid cloud technology adoption. This includes designing and participating in the development of cloud-based solutions that scale to help deliver both internal and business-facing applications. This role will leverage Infrastructure as Code (IaC) frameworks and programming languages to provide a repeatable catalog of secure platform services including virtualize

Full-time

USD 80,000.00 - 130,000.00 per year

Senior Platform Engineer

Greenwood Village, Colorado

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Today

TransUnion's Job Applicant Privacy Notice Personal Information We Collect Your Privacy Choices Team Overview At TransUnion, we have a welcoming and energetic environment that encourages collaboration and innovation we're - consistently exploring new technologies and tools to be agile. This environment gives our people the opportunity to hone current skills and build new capabilities, while discovering their genius. Come be a part of our team - you'll work with great people, pioneering products

Full-time

USD 78,750.00 - 131,250.00 per year

IT TECHNICIAN - SR. IT TECHNICIAN - Solar System Science & Exploration - Boulder, CO

Boulder, Colorado

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Today

Who We Are: The Solar System Science & Exploration Division is located in Boulder, Colorado. The roughly 115 staff are involved in science and engineering work supporting basic research and analysis in a wide range of space topics, instrument development, and mission design and operations. The Computer and Software Sciences section is seeking an IT technician to support IT services in the Division. Objectives of this Role: Provide end-user support for a variety of computer operating systems su

Full-time

USD 17.56 - 35.89 per hour

Principal Systems Engineer - System Evaluations (Onsite)

Berkley, Colorado

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15d ago

Date Posted: 2026-03-10 Country: United States of America Location: US-CO-BUCKLEY-SFB-CUST ~ 18500 E 6th Ave ~ BUCKLEY SFB (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: TS/SCI with Polygraph Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everyth

Full-time

USD 107,500.00 per year

Senior Software Engineer I (Storage)

Denver, Colorado

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Today

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We want pe

Full-time

USD 139,000.00 - 174,000.00 per year

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