Linux / Unix Systems Administrator Jobs in Colorado

1 - 20 of 441 Jobs

Linux / Unix Systems AdministratorJob Title - Linux / Unix Systems Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Linux / Unix Systems Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Linux / Unix Systems Administrator to join our team and ensure the stability, security, and efficiency of our systems infrastructure. In this role, you will be responsible for managing, monitoring, and maintaining Linux and Unix servers, troubleshooting system issues, and implementing soluti

Linux / UNIX Systems Administrator (PeopleSoft / Oracle)Job Title - Linux / UNIX Systems Administrator (PeopleSoft / Oracle)

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Linux / UNIX Systems Administrator (PeopleSoft / Oracle) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and motivated Linux / UNIX Systems Administrator (PeopleSoft / Oracle) to join our team and support the administration and optimization of our critical systems. In this role, you will manage and maintain Linux/UNIX environments, ensuring the stability, security, and performance of PeopleSoft

Unix/Linux AdministratorJob Title - Unix/Linux Administrator

Parsons Services CompanyCompany Name - 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: This job opening is for an experienced Unix/Linux Administrator to provide systems a

Systems Infrastructure Engineer/Architect (Mainframe, AIX)Job Title - Systems Infrastructure Engineer/Architect (Mainframe, AIX)

DRC Systems USA LLCCompany Name - DRC Systems USA LLC

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New Jersey, USA

Full-time, Contract

Job Title: Systems Infrastructure Engineer/Architect (Mainframe, AIX) Location: Remote (Travel Requiured : 1 week at kickoff and maximum 1 week every 1-2 months at NYC.) Duration: Long-term We're seeking a Mainframe Infrastructure Engineer/Architect to join a team modernizing and supporting enterprise-grade systems. The ideal candidate has 10+ years of experience with CICS and zOS, and hands-on skills with AIX, LINUX, and IBM MQ. You'll lead CICS upgrades (v5.5 to 6.1), integrate monitoring t

Linux Systems AdministratorJob Title - Linux Systems Administrator

NTT DATA Americas, IncCompany Name - NTT DATA Americas, Inc

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Remote or Canton, Massachusetts, USA

Contract

Company Overview: Req ID: 331085 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. NTT DATA's Client is currently seeking a Linux Systems Administrator to join their team in REMOTE, Massachusetts (US-MA), United States (US). Job Description: Daily Responsibilities System Replacement Advisory Services. Develop system replacement approach and plan for

Unix / Linux System Administrator with DevOpsJob Title - Unix / Linux System Administrator with DevOps

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Unix / Linux System Administrator with DevOps LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated **Unix / Linux System Administrator with DevOps** expertise to join our team and manage the infrastructure that supports our applications and services. In this role, you will be responsible for maintaining, automating, and optimizing our Unix and Linux-based systems while integrating Dev

Systems Administrator - Linux/WindowsJob Title - Systems Administrator - Linux/Windows

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr

Systems Administrator - Linux/WindowsJob Title - Systems Administrator - Linux/Windows

GovCIOCompany Name - GovCIO

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Remote

Full-time

Systems Engineer, Virtualization/Linux Engineering (Junior Level)Job Title - Systems Engineer, Virtualization/Linux Engineering (Junior Level)

Visa Inc.Company Name - Visa Inc.

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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

Sr. Systems Engineer, Virtualization/Linux EngineeringJob Title - Sr. Systems Engineer, Virtualization/Linux Engineering

Visa Inc.Company Name - Visa Inc.

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Highlands Ranch, Colorado, USA

Full-time

Linux System Administrator (Service Desk)Job Title - Linux System Administrator (Service Desk)

General DynamicsCompany Name - General Dynamics

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Colorado, USA

Full-time

Basic Qualifications Education Requirements: Bachelor's degree in a specialized area; or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience Clearance Requirements: Department of Defense TS/SCI security clearance with ability to obtain a Polygraph 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

Linux System Administrator (NETPLAN)Job Title - Linux System Administrator (NETPLAN)

EclaroCompany Name - Eclaro

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Remote

Contract

ECLARO is a company that delivers talent. We provide fully customizable, comprehensive talent acquisition and management of seasoned professionals through a number of business models, including: Consulting, Professional Hire, Global Integrated Delivery and Managed Services. Kindly email with a Word resume along with the position ID number, your hourly rate and availability. Job Title: Linux System Administrator Location: Remote Duration: 6 Months (Contract) $60/hour W2 25-04495 Preferred Backg

REMOTE::Lead Systems Engineer ( DataDog Administration ON Linux) ::ONLY W2Job Title - REMOTE::Lead Systems Engineer ( DataDog Administration ON Linux) ::ONLY W2

FutureTech Consultants LLCCompany Name - FutureTech Consultants LLC

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Remote

Contract

Position : 25-01036 _ Lead Systems Engineer ( DataDog Administration ON Linux) Location: Washington, DC (REMOTE) Seeking a Lead Systems Engineer to support the Systems Monitoring initiatives. Responsible for software tool administration for systems and applications monitoring tools. Expertise with at least one of the Monitoring tools like DataDog and Service Now. DataDog Administration experience on Linux platform to instrument Java based applications running on Tomcat Application Server. Conf

Sr. Principal Linux System AdministratorJob Title - Sr. Principal Linux System Administrator

RaytheonCompany Name - Raytheon

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-01 Country: United States of America Location: CO108: 16201 East Centretech Parkway 16201 East Centretech Parkway Building S78, 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 Sr. Principal Linux System Administrator - Aurora, CO, must have an active TS/SCI CI Poly

Linux System AdministratorJob Title - Linux System Administrator

Sun Technologies,Inc.Company Name - Sun Technologies,Inc.

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Remote

Contract

Job Title: Linux System Administrator Duration: up to 12 months contract (with the possibility of extension) Location: Fort Worth, TX 76108 Pay Rate: $60/hr - $70/hr on W2 [the pay rate may differ depending on your skills, education, experience, and other qualifications] Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: The Linux Systems Administrator will be a member of the Enterprise IT

Senior AIX Administrator - Secret Clearance RequiredJob Title - Senior AIX Administrator - Secret Clearance Required

MaximusCompany Name - Maximus

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Colorado Springs, Colorado, USA

Full-time

General information Job Posting Title Senior AIX Administrator - CSOC Date Thursday, June 5, 2025 City Colorado Springs State CO Country United States Working time Full-time Description & Requirements Maximus is seeking an experienced Senior AIX Administrator in support of our homeland security customer. As part of our AIX team, you will be responsible for managing and maintaining the AIX-based infrastructure. Your role will involve overseeing system administration, troubleshooting, performance

Senior AIX Administrator - CSOCJob Title - Senior AIX Administrator - CSOC

MaximusCompany Name - Maximus

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Colorado Springs, Colorado, USA

Full-time

Senior AIX Administrator - CSOCJob Title - Senior AIX Administrator - CSOC

Maximus, Inc.Company Name - Maximus, Inc.

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Colorado Springs, Colorado, USA

Full-time

Description & Requirements Maximus is seeking an experienced Senior AIX Administrator in support of our homeland security customer. As part of our AIX team, you will be responsible for managing and maintaining the AIX-based infrastructure. Your role will involve overseeing system administration, troubleshooting, performance optimization, and ensuring the stability and security of our AIX environment. This is an on-site position that requires a Secret clearance. Maximus TCS (Technology and Consul

Information Systems Analyst (Linux)Job Title - Information Systems Analyst (Linux)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description #OneLMHotJobs This position requires an active Secret clearance with the ability to obtain Top Secret clearance. This Lockheed Martin Space position will support multiple Space programs. The Multi-Function Information Systems Analyst assists users with resolving technical issues with applications, connectivity and other IT related issues. The Multi-Function Information Systems Analyst will assist with Information Assurance, performing environmental vulnerability scans, remedia

Linux System AdministratorJob Title - Linux System Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Linux System Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and skilled Linux Systems Administrator to join our team and play a vital role in managing and maintaining our Linux-based infrastructure. In this position, you will be responsible for deploying, configuring, monitoring, and troubleshooting Linux servers to ensure optimal performance, reliability, and security. You