Systems Administrator Jobs in Denver, CO

1 - 20 of 85 Jobs

Systems AdministratorJob Title - Systems Administrator

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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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

Systems Administrator IV, Health Systems - Epic, MyChart, Tapestry UMJob Title - Systems Administrator IV, Health Systems - Epic, MyChart, Tapestry UM

Kaiser PermanenteCompany Name - Kaiser Permanente

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Greenwood Village, Colorado, USA

Full-time

Job Summary: Our team supports KP HealthConnect, our electronic medical record. Specifically, the Web & Mobile (kp.org/MyChart), Tapestry UM (Referrals), and Population health (dealing with large cohorts of patients for common conditions like Diabetes or cancer care). Teir 3 support for our medical record system. Including incident support, ongoing maintenance, and investment. In addition to the responsibilities listed below, this position is responsible for system build, testing, validation, a

Systems Administrator IIIJob Title - Systems Administrator III

Judge Group, Inc.Company Name - Judge Group, Inc.

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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

Systems Administrator IIIJob Title - Systems Administrator III

IDR Inc.Company Name - IDR Inc.

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Englewood, Colorado, USA

Full-time

IDR is seeking a Systems Administrator to join one of our top clients in Englewood, CO. This role involves managing and maintaining AI systems, performing system upgrades, and ensuring optimal operation of IT infrastructure. If you are looking for an opportunity to join a large organization and work within a team-oriented culture, please apply today! Position Overview/Responsibilities for the Systems Administrator : - Manage and maintain AI systems, including hardware and software components

Systems Administrator - Python, AirFlow, LinuxJob Title - Systems Administrator - Python, AirFlow, Linux

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Centennial, Colorado, USA

Full-time

Description Customer 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 control

DevOps Engineer/Systems AdministratorJob Title - DevOps Engineer/Systems Administrator

SNI TechnologyCompany Name - SNI Technology

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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

Mid-Level C-17 Remote Sites Systems AdministratorJob Title - Mid-Level C-17 Remote Sites Systems Administrator

Boeing CompanyCompany Name - Boeing Company

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Washington, USA

Full-time

Mid-Level C-17 Remote Sites Systems Administrator Company: The Boeing Company The Boeing Company's Specialized United States (U.S.) Infrastructure Operations organization is currently seeking a Mid-Level C-17 Remote Sites Systems Administrator to join the team in Joint Base Lewis-McChord, WA. This position will require the individual to support users at remote U.S. Air Force locations and work with virtual teammates across multiple time zones. The selected candidate will perform a multi-discip

Systems Administrator IIIJob Title - Systems Administrator III

DP Professionals IncCompany Name - DP Professionals Inc

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Englewood, Colorado, USA

Contract

DPP is seeking a Systems Administrator for an opportunity in Englewood, Colorado. Work arrangement: Hybrid or Onsite in Colorado W2 position; 6 months Position summary: Manage and maintain servers and related infrastructure components. Manage and maintain AI systems, including hardware and software components. Monitor system performance and ensure optimal operation of IT infrastructure. Perform system upgrades, patches, and routine maintenance to ensure security and reliability. Troubleshoot an

Systems Administrator Technician _TS/SCI with PolygraphJob Title - Systems Administrator Technician _TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Aurora, Colorado, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Hardware, Information Technology (IT) Systems, Troubleshooting Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administ

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, COJob Title - Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization 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 people works with partners around the world to bring proven performance 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.

Systems Administrator Technician _TS/SCI with PolygraphJob Title - Systems Administrator Technician _TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Aurora, Colorado, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Hardware, Information Systems, Information Technology (IT) Systems Certifications: CompTIA - Security+ CE - CompTIA Experience: 1 + years of related experience ship Required: Yes Job Description: We are GDIT. The people sup

Systems AdministratorJob Title - Systems Administrator

AJ Consulting Group, LLCCompany Name - AJ Consulting Group, LLC

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Remote

Contract

Title: Systems AdminLocation: 100% Remote - ( Eastern Time ) Duration: 6-12+ Months VISA: U.S. Citizens, s due to legal or government contract requirements.Tax Term: W2 JD: Mon-Fri (10 AM-6:00 PM) EDT Note: resident can expect 2-3 times a week working non-peak hours to perform migrations from 9:00 PM-12:00 AM. 1) Understanding of Dell storage and Xtreme IO Product 2) Comfortable with migration work 3) Expertise with VMware ESX/i hosting environment 4) Hands-on experience with Storage vMotion an

Security Systems AdministratorJob Title - Security Systems Administrator

SAICCompany Name - SAIC

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Remote

Full-time

Job ID: 2507552 Location: REMOTE WORK, TN, US Date Posted: 2025-07-14 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Science Applications International Corporation (SAIC) is seeking a Security Systems Administrator to join our team supporting a major state & local government customer. The Security

Senior Systems Administrator - TS/SCI with PolyJob Title - Senior Systems Administrator - TS/SCI with Poly

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

Leidos is seeking a highly skilled Senior Systems Administrator to support mission-critical operations across various laboratory environments. This role focuses on acquiring, configuring, and maintaining computer servers, operating systems, networks, and network file systems to address complex mission-specific challenges. The Senior Systems Administrator will work in dynamic lab settings, providing technical expertise, troubleshooting, and support to ensure reliable and secure IT infrastructure

Infor CSD (CloudSuite Distribution) Systems AdministratorJob Title - Infor CSD (CloudSuite Distribution) Systems Administrator

Robert HalfCompany Name - Robert Half

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Remote or Highland, Utah, USA

Full-time

Description We are looking for a skilled Systems Administrator to manage and support our Infor CloudSuite Distribution (CSD) platform. This role is vital for ensuring the system operates efficiently, remains secure, and meets organizational needs. The ideal candidate will bring technical expertise, problem-solving skills, and a proactive approach to maintaining and optimizing the system. Responsibilities: Oversee the daily operations, maintenance, and troubleshooting of the Infor CloudSuite Dis

Senior Systems Administrator (Linux/Windows)Job Title - Senior Systems Administrator (Linux/Windows)

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to 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 in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec

Workfront Systems AdministratorJob Title - Workfront Systems Administrator

R4 ResourcesCompany Name - R4 Resources

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Remote

Contract

This position is 100% remote and a long term contract (12 months or longer). There is currently no headcount approved for this position to become permanent but the company has a strong history of converting long-term contractors who want to become permanent employees. I have placed most of the team under this senior manager as contractors & they were all converted after fulfilling their contract. Job Summary Lead implementation and configuration of the Workfront platform, managing technology, wo

Sr. ERP and CRM Systems AdministratorJob Title - Sr. ERP and CRM Systems Administrator

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. This is Homer Ballega. I am a Recruiter with ECLARO. We are first tier suppliers of technical services to several Fortune 5

Systems Administrator IIJob Title - Systems Administrator II

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Remote or Southern Pines, North Carolina, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator II, you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system para

Mainframe CICS System Admin/programmerJob Title - Mainframe CICS System Admin/programmer

Stanley David and AssociatesCompany Name - Stanley David and Associates

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Remote

Full-time

Role :: Mainframe CICS System Admin/programmer Location :: Saltlake City, UT / Remote Type :: Fulltime Job Description IBM/vendor support familiar with IBM and other vendors web sites: Open problem cases, ask questions, prepare and send dumps.SMP/E in depth knowledge to do install work on CICS and any associated productsSecurity in depth knowledge of ACF2 (must be able to install security on CICS and associated products and create ACF2 security rules as they pertain to CICS)SMF moderate skill se