Principal Windows Systems Administrator jobs in Denver, CO

Hybrid in Englewood, Colorado

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Yesterday

Client with locations in Centennial, CO is seeking a Windows System Administrator with security expertise for a contract to hire position. This person will focus on improving client's security posture as it relates to both virtual and on-prem Windows systems. They will also assist with supporting, troubleshooting, and implementing Windows systems. Required: -Strong Windows system administration with a focus on security. -VMware and on-prem experience. -PowerShell automation. -SCCM. -Certifica

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Contract

Up to $65

Systems Engineer- IT / Windows / Secret / Onsite: Louisville, CO

Louisville, Colorado

•

Today

Job Description This position is within Lockheed Martin Enterprise Business and Digital Transformation (EBDT) Classified IT Transformation organization. It is chartered with transforming IT is delivery to Classified programs and environments. If you're looking for your next challenge in a fast paced, innovation-oriented group, look no further! Lockheed Martin recognizes the tremendous opportunity for significant advancement in the way Classified IT services are delivered to our Business Area p

Full-time

USD 70,100.00 - 123,625.00 per year

Systems Administrator

Aurora, Colorado

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Today

Job Number: R0224241 Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact at Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrato

Full-time

USD 61,900.00 - 141,000.00 per year

Network/Systems Administrator

Denver, Colorado

•

Today

Job#: 2086613 Job Description: Job Requirements: Strong problem-solving skills, knowledge of systems architecture, and the ability to communicate technical information to non-technical staff are essential for this role Responsible for designing, configuring, and maintaining an organizations computer systems and networksEnsure the systems are running smoothly, analyze and solve complex technical issues, and implement system security measuresAlso manage system upgrades and monitor system performan

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Full-time

Senior Systems Administrator

Englewood, Colorado

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Today

Job DescriptionDescription Leidos is seeking a Senior Systems Administrator to support the United States Antarctic Program (USAP). This is an exciting opportunity to apply your experience to support our customer s mission. This position is a senior member of the Leidos - Antarctic Support Contract (ASC) Information Technology & Communications (IT&C) Data Systems team responsible for installing and maintaining an efficient working environment for a complex network of core production servers supp

Full-time

Compensation information provided in the description

Senior Linux Systems Administrator - 10k Sign on Bonus

Aurora, Colorado

•

Today

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

Full-time

USD 112,450.00 - 203,275.00 per year

Senior Systems Administrator

Centennial, Colorado

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Today

Leidos is seeking a Senior Systems Administrator to support the United States Antarctic Program (USAP). This is an exciting opportunity to apply your experience to support our customer's mission. This position is a senior member of the Leidos - Antarctic Support Contract (ASC) Information Technology & Communications (IT&C) Data Systems team responsible for installing and maintaining an efficient working environment for a complex network of core production servers supporting the USAP mission and

Full-time

USD 74,000.00 - 110,000.00 per year

Systems Administrator

Genesee, Colorado

•

Today

Description We are looking for a skilled Systems Administrator to join our non-profit organization in Denver, Colorado. This role is integral to maintaining and optimizing IT infrastructure, encompassing both on-premise and cloud-based systems. The ideal candidate will leverage their expertise to ensure system performance, security, and scalability while collaborating with cross-functional teams to implement best practices and resolve technical challenges. Responsibilities: Administer and optim

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Full-time

USD 70,000.00 - 100,000.00 per year

Systems Administrator III

Remote or Lone Tree, Colorado

•

Today

If you enjoy working in a multidisciplinary engineering environment, and working with a committed team and organization to piece together a world-class engineering and data management process, this may be the perfect fit for you. Your responsibilities will be to learn how to operate, maintain and troubleshoot existing engineering platforms and software which will include Dassault 3DExperience and many others, understanding how they work together, and helping identify gaps and solutions as we wo

Full-time

USD 94,345.12 - 129,724.54 per year

Windows System Administrator

Remote

•

Today

Title Windows System Administrator Location Remote About the Organization Hui Huliau is a nonprofit Native Hawaiian Organization (NHO) and community service organization whose business activities principally benefit Native Hawaiians. As an NHO we operate under U. S. Small Business Administration (SBA) regulations and own small businesses that participate in the SBA 8(a) Business Development Program for minority owned companies. Our small businesses provide a variety of contracted services to the

Full-time

Depends on Experience

IAM Systems Administrator - CyberArk PAM

Remote or Glen Allen, Virginia

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Today

Description The IAM Systems Administrator - CyberArk Privilege Cloud is responsible for the administration, support, and ongoing optimization of the CyberArk Privileged Access Management (PAM) platform. This role focuses on securing privileged credentials, secrets, and session activity across hybrid environments (cloud and on-premises), while enabling least-privilege access, Zero Standing Privileges (ZSP), and Just-in-Time (JIT) access models. This position works closely with security, infrastr

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Contract

USD 45.00 - 48.00 per hour

Systems Administrator

Remote

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13d ago

Location: 100% Remote (Option to work onsite in Plano, TX or Ridgeland, MS) Compensation: $120,000 $200,000 DOE + benefits About the Role: We re seeking a skilled Systems Administrator to join our team and take ownership of managing and optimizing Microsoft Azure environments. This role involves supporting and deploying .NET applications backed by MariaDB/MySQL, ensuring our infrastructure is reliable, secure, and high performing. If you enjoy working across infrastructure, automation, and appli

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Full-time

$100,000 - $200,000

Systems Administrator III

Remote or Sparks, Nevada

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Today

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator , 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 parame

Full-time

Systems and Network Administrator

Castle Rock, Colorado

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Today

Position Type: Other Date Posted: 6/25/2025 Location: Administration Center-Technology & Info Systems Date Available: ASAP Closing Date: Open Until Filled District: Fairbanks North Star Borough School DistrictAdditional Information: Show/Hide This is an in-person position and does not support remote work. Job Summary: The Systems and Network Administrator plans, manages, and optimizes network and system operations, supporting the director and IT staff. Key responsibilities include co

Full-time

USD 78,172.00 - 109,792.00 per year

Service Desk Technician

Lakewood, Colorado

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Today

Client located in Lakewood, Colorado is seeking a Service Desk Technician for a contract position. This position reports to the Operations Manager and participates on a four-person team responsible for tier one / triage support. Required: -Microsoft Windows / Office support experience. -Experience troubleshooting password, internet connectivity, printer, application issues. -Background check, drug test, fingerprinting required. -A+ or equivalent certification. Desired: -SCCM. -Autopilot. -Intu

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Contract

Up to $28

Cyber and IT Automation Engineer Sr

Littleton, Colorado

•

Today

Job Description This position requires the ability to obtain Secret clearance. By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible sche

Full-time

USD 97,100.00 - 171,235.00 per year

Desktop Support Engineer

Denver, Colorado

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21d ago

W2 Role Please share Profiles at Hi, Urgent need, Role- Desktop Support Engineer Location- Commerce City, Colorado (or Denver, CO) Rate :- $23/hr on w2 Job Description Roles & responsibilities: Troubleshooting problems related to Desktop/Laptops, MAC, Windows operating systems and O365/M365 applications.Troubleshooting Unified communication tools such as Teams, Zoom video call related issues.Should be familiar with collaboration tools, meeting room equipment and meeting room checks.Must have ex

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Contract, Third Party

$20 - $23

Product Engineer II - Enterprise Monitoring Software

Denver, Colorado

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Today

Overview Do you want to join a team of dynamic and detail-oriented engineers to develop capabilities that support our mission of helping our users work smarter, not harder? As part of the ArcGIS Monitor team, you will help define how the product monitors system health, performance, and usage of ArcGIS implementations throughout the lifecycle. By observing and analyzing both traditional and cloud infrastructure, software, and supporting system metrics, ArcGIS Monitor empowers organizations to op

Full-time

USD 76,960.00 - 128,544.00 per year

IT Support Specialist (Denver)

Denver, Colorado

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Today

Desktop Support Your new company Multi-national Law Firm Your new role We are seeking an experienced IT Support Specialist to join a dynamic and fast-paced team. This on-site role is responsible for providing hands-on technical support to internal users, ensuring timely resolution of hardware, software, and network-related issues. The position supports PCs, phones, AV equipment, IT peripherals, and infrastructure within the office. Key Responsibilities Provide technical support for PCs, phon

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Full-time

Senior ATLO EGSE Integration Engineer

Littleton, Colorado

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Today

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready soluti

Full-time

USD 85,500.00 - 150,765.00 per year

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Principal Windows Systems Administrator jobs in Denver, CO, USA