Linux Administrator Jobs in Denver, CO

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Systems Administrator

TEKsystems c/o Allegis Group

•

Aurora, Colorado, USA

Full-time

**Requires a Security Clearance (Please do not apply if you don't have a clearance.)** Top Skills' Details 1. 5+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment 2. VMware and ESXi (6.x or higher) configuration and management experience 3. Group Policies (GPOs) experience; Active Directory management experience 4. Active Security Clearance: TS with SCI and full scope Poly 5. Must have a DOD 8570 IAT Level 2 baseline certification (ex
Posted 1 day ago | Updated moments ago

DLP Security Engineer

MphasiS Corporation USA

•

Denver, Colorado, USA

Full-time

Role: DLP Security Engineer Location: Denver, CO Fulltime $100K - $120K Job Summary: Role of DLP Security Engineer, Minimum 4+ in DLP deployment and operation experience and at least 2+ in MS Purview. Years of experience needed: Minimum 4+ in DLP deployment and operation experience and at least 2+ in MS Purview Skill & Roles: Overall 5+years' experience in IT Security and Data Security4+ years of endpoints DLP Solution deployment and operation experience forMust have implemented and managed MS P
Easy Apply
Posted 3 days ago

DevOps Engineer/Systems Administrator

SNI Technology

•

Centennial, Colorado, USA

Contract

Job Details SNI Technology's client is actively seeking to hire an IT DevOps Engineer for an exciting 3-month, contract-to-hire opportunity located in Centennial, CO! Please note this is a hybrid work environment requiring 3 days onsite per week (2 days remote/work from home). Summary We are seeking a mid-level IT professional for a hybrid role combining responsibilities in Systems Administration and Data Warehouse/Python development. This position supports core IT infrastructure, including Li
Posted 9 days ago | Updated 2 hours ago

System Administrator

Maxar Technologies Holdings Inc

•

Westminster, Colorado, USA

Full-time

Please review the job details below. Maxar is seeking an experienced System Administrator with familiarity with implementing and maintaining CMMC security controls and procedures to contribute to an agile and fast-paced software development team environment in support of our USG customer's national security mission. We are seeking people who embrace teamwork and knowledge-sharing and thrive in a culture of continuous improvement. The ideal candidate will value both collaboration and independent
Posted 22 days ago | Updated 4 hours ago

Systems Engineer (Python, AirFlow, CI/CD))

TEKsystems c/o Allegis Group

•

Centennial, Colorado, USA

Full-time

Description Client is seeking a contract-to-hire consultant for support with building out their Data Warehouse. The DevOps engineer will support AirFlow installation/configuration as well as other DevOps tasks. We are seeking a mid-level IT professional for a hybrid role combining responsibilities in Systems Administration and Data Warehouse/Python development. This position supports core IT infrastructure, including Linux administration, Windows policy/domain management, and security controls-
Posted 2 days ago | Updated moments ago

Systems Engineer, Virtualization/Linux Engineering (Junior Level)

Visa Inc.

•

Highlands Ranch, Colorado, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 8 days ago | Updated 4 hours ago

Sr. Systems Engineer, Virtualization/Linux Engineering

Visa Inc.

•

Highlands Ranch, Colorado, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 18 days ago | Updated 4 hours ago

DevSecOps Engineer

Vaco by Highspring

•

Remote

Full-time

DevSecOps Engineer Remote Role Responsibilities: Linux Systems Admin experience (RHEL/Ubuntu preferred) A minimum of 7 years of experience.Docker/Kubernetes/Container experience (Azure Kubernetes preferred)Scripting and Automation experience (Python, PowerShell, BASH preferred)Securing Linux and Containers experienceSecuring Azure and Cloud Systems experienceNFS Systems Admin experience (NFS on RHEL and NetApp preferred)Change Management experiencePractical understanding of networkingBasic Qual
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Posted 11 days ago

Top Secret cleared Ground Systems Engineer

ClearBridge Technology Group

•

Aurora, Colorado, USA

Contract

Our client, a large government integrator located in Aurora, CO, is looking to hire a Top Secret cleared Ground System Engineer (GSE) for a 12 month contract. The consultant will work onsite to provide real time, operational support to Space Force crews and contractor test teams for the operation and maintenance of system software and equipment (identifying system problems, trouble shooting, and correcting both software and hardware failures). The GSE will perform software maintenance support
Posted 41 days ago | Updated 1 hour ago

Senior Site Reliability Engineer

General Dynamics

•

Aurora, Colorado, USA

Full-time

Basic Qualifications Bachelor's degree in computer science, a related field or equivalent relevant experience is required, plus a minimum of 8 years of relevant experience; or Master's degree, plus 6 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the
Posted 37 days ago | Updated 4 hours ago

Site Reliability Engineer

General Dynamics

•

Remote or Aurora, Colorado, USA

Full-time

Basic Qualifications Bachelor's degree in Computer Science, a related field or equivalent experience is required plus a minimum of 5 years of relevant experience; or Master's degree plus 3 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of
Posted 37 days ago | Updated 4 hours ago

Google Cloud Platform Cloud Engineer (LOCALS ONLY)

Appic Solutions

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Denver, Colorado, USA

Full-time

Google Cloud Platform Cloud Engineer **NOT OPEN FOR C2C-ONLY OPEN FOR W2 FULL TIME SEEKERS LOCATION:- Denver, Colorado (LOCALS ONLY-RELOCATIONS ARE NOT ACCEPTED) <> Some of the primary duties and responsibilities include: Configure and deploy VPC environments and cloud instances as designed by the Cloud Architect to meet the needs across all hosted workloads.Evaluate and collaborate with NetSecOps team to establish security controls necessary to meet policy and standards from the CISO, ideally i
Easy Apply
Posted 20 days ago

Tanium Administrator

Kforce Technology Staffing

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Remote or Denver, Colorado, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Tanium Administrator in Denver, CO; Charlotte, NC; Or Saint Louis, MO. Summary: We are seeking a Tanium Administrator to join our enterprise infrastructure operations team. While direct experience with Tanium is not required, candidates must bring a strong operational Linux background and the willingness to learn and own the Tanium platform. This role supports a high-security, on-premise environment managing over 170,000 endpoints and invo
Posted 23 days ago | Updated 21 hours ago

Computer Systems Analyst - Senior

NuAxis LLC

•

Denver, Colorado, USA

Full-time

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose. Grow with us! As a growing business, every NuAxis Innovations employee impacts the success and direction of this company. We all share a true passion for technology and enjoy working together to develop solutions, share ideas, and exchange knowledge. At NuAxis Innovations, we celebrate diversity and the unique perspective each tea
Posted 12 days ago | Updated 3 hours ago

Lead Software Engineer, Imaging

Aduril Industries

•

Boulder, Colorado, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 10 days ago | Updated 4 hours ago

Senior Principal Systems Engineer

RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-01 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, Aurora, CO, 80011 USA 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: TS/SCI with Polygraph The selected candidate will be a member of a specialized engineering team responsible for ensuring and m
Posted 6 days ago | Updated 4 hours ago

System Administrator

BCforward

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Remote

Contract

System Administrator BCforward is currently seeking a highly motivated System Administrator for a remote opportunity! Position Title: System Administrator Location: Remote Anticipated Start Date: ASAP Please note this is the target date and is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: Initial 6 month-contract Job Type: Contract Pay Range: $46/hr-$50/hr Please note that actual compensation may vary within this range due to fact
Posted 13 days ago | Updated moments ago

Systems Administrator III

Judge Group, Inc.

•

Englewood, Colorado, USA

Contract

Location: Englewood, CO Salary: $65.00 USD Hourly - $70.00 USD Hourly Description: Job Title: Systems Administrator Location: Englewood, CO 80112 Contract: 6+ Months About the Role We're looking for an experienced Infrastructure Systems Engineer to manage and optimize our on-premise and cloud-based IT infrastructure. You'll play a key role in maintaining system reliability, supporting AI platforms, and ensuring compliance with security standards like NIST 800-171. Responsibilities: Manage
Posted 3 days ago | Updated 1 hour ago

Senior Network Engineer

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible produc
Posted 37 days ago | Updated 4 hours ago

Sr Systems Engineer - Mid Career

Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin
Posted 23 days ago | Updated 4 hours ago