systems administrator Jobs in denver, co

1 - 20 of 80 Jobs

Systems Administrator IIIJob Title - Systems Administrator III

IDR Inc.Company Name - IDR Inc.

•

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 IIIJob Title - Systems Administrator III

Judge Group, Inc.Company Name - 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

Systems Administrator IIIJob Title - Systems Administrator III

DP Professionals IncCompany Name - DP Professionals Inc

•

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 in Microsoft, Re

Senior Linux Systems Administrator - 10k Sign on BonusJob Title - Senior Linux Systems Administrator - 10k Sign on Bonus

LeidosCompany Name - Leidos

•

Aurora, Colorado, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) 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 immed

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

LeidosCompany Name - Leidos

•

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

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

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

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 Adminis

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

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

Aurora, Colorado, USA

Full-time

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

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

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 AdministratorJob Title - Systems Administrator

General DynamicsCompany Name - General Dynamics

•

Aurora, Colorado, USA

Full-time

This is an unpaid fellowship through the Department of Defense (DoD) SkillBridge Program. The fellow selected for this role will not receive compensation or benefits from GDIT and will not be an employee, agent or contractor of GDIT but rather will remain an employee of the DoD and will receive compensation and benefits through the DoD. Type of Requisition: Regular Clearance Level Must Currently Posses: Top Secret SCI + Polygraph Clearance Level Must Be Able To Obtain: Top Secret SCI + Polygr

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

General DynamicsCompany Name - General Dynamics

•

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

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

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 su

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

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

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

DevOps Systems AdministratorJob Title - DevOps Systems Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

DevOps 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 highly motivated and skilled **DevOps Systems Administrator** to join our team and play a crucial role in streamlining our development and operations processes. In this role, you will manage and maintain our infrastructure, ensuring smooth and efficient deployment pipelines, automating workflows, and enhancing system reliabili

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

Cymertek CorporationCompany Name - Cymertek Corporation

•

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

Network Engineer / Systems Administrator (SA)Job Title - Network Engineer / Systems Administrator (SA)

Cymertek CorporationCompany Name - Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliability, secur

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

Cymertek CorporationCompany Name - Cymertek Corporation

•

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

Senior Systems Administrator Lead (Remote Opportunity)Job Title - Senior Systems Administrator Lead (Remote Opportunity)

Veterans EZ Info, IncCompany Name - Veterans EZ Info, Inc

•

Remote

Full-time

VetsEZ is seeking a remote Senior Systems Administrator Lead to support a large-scale federal healthcare modernization program with the Department of Veterans Affairs (VA). This role will provide both technical leadership and hands-on administration of complex Windows server environments operating across hybrid infrastructures within VA and partner systems. The ideal candidate brings deep expertise in Windows-based systems, experience managing technical teams, and a strong focus on uptime, perfo

Systems AdministratorJob Title - Systems Administrator

McKesson CorporationCompany Name - McKesson Corporation

•

Remote or Nashville, Tennessee, USA

Full-time

It's More Than a Career, It's a Mission. Our people are the foundation of our success. By joining our growing team at Sarah Cannon Research Institute (SCRI), a subsidiary of McKesson, you will have the opportunity to become part of one of the largest community-based cancer programs to advance oncology treatments and improve outcomes for cancer patients across the globe. We look for mission-driven candidates who have a desire to advance the fight against cancer and make a difference in the lives

Systems AdministratorJob Title - Systems Administrator

Parsons Services CompanyCompany Name - Parsons Services Company

•

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: Parsons is looking for an amazingly talented Systems Administrator to join our team!

JIRA Systems AdministratorJob Title - JIRA Systems Administrator

SAICCompany Name - SAIC

•

Remote

Full-time

Job ID: 2508009 Location: REMOTE WORK, HI, US Date Posted: 2025-07-29 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: Yes Description SAIC is seeking a Fully Remote JIRA System Administrator to support USINDOPACOM J6 to build and deploy JIRA applications. NOTE: This position is fully Remote / Work