Windows Server Administrator Jobs in Denver, CO

1 - 20 of 73 Jobs

Systems Engineer- VirtualizationJob Title - Systems Engineer- Virtualization

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

Computer Systems Analyst - SeniorJob Title - Computer Systems Analyst - Senior

NuAxis LLCCompany Name - NuAxis LLC

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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

IT Infrastructure ArchitectJob Title - IT Infrastructure Architect

Fast Tracking SolutionsCompany Name - Fast Tracking Solutions

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Remote

Full-time

100% REMOTE - MUST BE LOCATED IN USAPosition Title: IT Architect (Infrastructure) Overview: This position plays a critical role in the planning, implementation, and support of enterprise IT infrastructure with a strong focus on Windows-based systems and virtualization technologies. Operating within a hybrid environment, the engineer is responsible for leading infrastructure initiatives across on-premises data centers and cloud-integrated platforms, ensuring system availability, security, and ope

Full Stack Systems Engineer IT / TS/SCI Poly / Onsite: Littleton, COJob Title - Full Stack Systems Engineer IT / TS/SCI Poly / Onsite: Littleton, CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description Our 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 more than 70 countries. This Lockheed Martin Enterprise Operations (EO) position will suppor

IT Administrator (Middleware)Job Title - IT Administrator (Middleware)

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-01-13 Country: United States of America Location: CO108: 16201 East Centretech Parkway 16201 East Centretech Parkway Building S78, Aurora, CO, 80011 USA Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading b

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: COJob Title - Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description Our 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 employees work with our partners around the world to bring the latest technology 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. This Enterprise Operations (EO) position supports the Lockheed Marti

Principal Platform Engineer / Linux (Onsite)Job Title - Principal Platform Engineer / Linux (Onsite)

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-12 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, 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 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

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

Systems AdministratorJob Title - Systems Administrator

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities of the Systems Administrator: Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navi

Systems AdministratorJob Title - Systems Administrator

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navigate upgrade or decommission sc

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

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

Microsoft ExchangeJob Title - Microsoft Exchange

HAYSCompany Name - HAYS

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Remote

Contract

Microsoft Exchange -- Contract or CTP - Remote - $ 62.61- $ 62.61/hr. The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate's/applicant's qualifications, skills, and level of experience as well as the geographical location of the position. Applicants must be legally authorized to work in the United States. Sponsorship not available. Our client is seeking a

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

GovCIOCompany Name - GovCIO

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Remote

Full-time

Sr. Integration Systems EngineerJob Title - Sr. Integration Systems Engineer

Parsons Services CompanyCompany Name - Parsons Services Company

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Boulder, Colorado, USA

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: Our Space Operations directorate is passionate about making America the undisputed l

System Administrator (Hybrid)Job Title - System Administrator (Hybrid)

CitiCompany Name - Citi

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Remote or Jacksonville, Florida, USA

Full-time

Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is

Sr Specialist, Systems EngineeringJob Title - Sr Specialist, Systems Engineering

McKesson CorporationCompany Name - McKesson Corporation

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Ohio, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien

System Engineer (W2 Only, No C2C)Job Title - System Engineer (W2 Only, No C2C)

TEKsystemsCompany Name - TEKsystems

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Remote or Grand Haven, Michigan, USA

Full-time

Top Skills' Details 1. Systems Engineer with 5+ years of experience with amazing Interpersonal, Client-facing skills. 2. Experience with Windows Server and Active Directory. 3. VMware experience 4. Scripting and Automation Experience Description TEKsystems is helping a client identify a mid-level, System Engineer to join their team. The System Administrator will be responsible for technical support and general system administration tasks for their clients. Qualifications: Strong System Engineer

System Engineer (W2 Only, No C2C)Job Title - System Engineer (W2 Only, No C2C)

TEKsystemsCompany Name - TEKsystems

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Remote or Grand Haven, Michigan, USA

Full-time

Systems EngineerJob Title - Systems Engineer

TEKsystemsCompany Name - TEKsystems

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Remote or Grand Haven, Michigan, USA

Full-time

Description Job Summary: We are currently seeking a System Engineer to join our team. This is a full-time on-site role for an Information Technology System Engineer located in Grand Haven, MI. The System Administrator will be responsible for technical support and general system administration tasks for our clients. Qualifications: Strong System Engineer skills with experience in Microsoft Windows Server and Active Directory Experience in Network Administration including DNS, DHCP, TCP/IP, and fi