Entry Level Windows Administrator Jobs in Denver, CO

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Software Developer (Secret clearance)

Maxar Technologies Holdings Inc

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Westminster, Colorado, USA

Full-time

Please review the job details below. Maxar is seeking talented Software Developer with strong DevOps/software skills to support the development and integration of various intelligence capabilities into a test and subsequently operational environment. You will be a member of a project team designing and implementing infrastructure solutions, integrating mission-specific software, and ensuring seamless command and control capabilities are deployed into a larger system infrastructure. Deployment w
Posted 16 days ago | Updated 5 hours ago

Architecture Engineer (NE II) (Government)

AT&T Inc.

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Centennial, Colorado, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing, and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values, and dedicated to our customers' mission. Our National Security Team supports the intelligence community by providing, operating, and assuring critical voice, v
Posted 2 days ago | Updated 5 hours ago

System Administrator

Maxar Technologies Holdings Inc

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Westminster, Colorado, USA

Full-time

Please review the job details below. Maxar is seeking an experienced System Administrator with familiarity with implementing and maintaining CMMC security controls and procedures to contribute to an agile and fast-paced software development team environment in support of our USG customer's national security mission. We are seeking people who embrace teamwork and knowledge-sharing and thrive in a culture of continuous improvement. The ideal candidate will value both collaboration and independent
Posted 9 days ago | Updated 5 hours ago

Principal Platform Engineer / Linux (Onsite)

RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-26 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 without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling -
Posted 16 hours ago | Updated 5 hours ago

Systems Administrator

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
Posted 26 days ago | Updated 13 days ago

Systems Administrator

Zachary Piper Solutions, LLC

•

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
Posted 27 days ago | Updated 13 days ago

Sr. Windows Consultant-Remote - long term - ()

USG, Inc.

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US

Third Party, Contract

Role Name: Sr. Windows Consultant Location: US Remote Duration: 6+ Months Job description: Common Skills: PowerShell Scripting Knowledge/Proficiency Security Patching of on-premise Platforms Microsoft Office Suite of tools/features Understanding of Microsoft Licensing Proven background in Administration of targeted technologies Proven Troubleshooting skills Excellent Communication Skills Ability to document technical processes Ability to work with end users to resolve their issue in a timely
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Posted 12 days ago | Updated 5 hours ago

System Administrator

BCforward

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Remote

Contract

System Administrator BCforward is currently seeking a highly motivated System Administrator for a remote opportunity! Position Title: System Administrator Location: Remote Anticipated Start Date: ASAP Please note this is the target date and is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: Initial 6 month-contract Job Type: Contract Pay Range: $46/hr-$50/hr Please note that actual compensation may vary within this range due to fact
Posted 9 hours ago | Updated 5 hours ago

Senior Network Administrator (TS/SCI with Poly Clearance Required)

Fluor

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Aurora, Colorado, USA

Full-time

Job Description This position requires an active (or ability to obtain) TS/SCI with Polygraph Clearance The Senior Network Administrator has advanced knowledge within designated Information Technology (IT) area of responsibility that is applied to broad and diverse assignments and associated requirements. This role plans and coordinates activities related to the design, development, implementation and integration of IT solutions. The Network Administrator analyzes, evaluates, and recommends
Posted 60+ days ago | Updated 5 hours ago

Senior Systems Administrator - TS/SCI with Poly

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
Posted 14 days ago | Updated 5 hours ago

Systems Engineer, Virtualization/Linux Engineering (Junior Level)

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
Posted 1 day ago | Updated 5 hours ago

OpenText Content Server Admin

Vertex Group

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Remote

Contract

OpenText Content Server Admin Location 100% Remote 6-12 Months (C2H) Must be in the US for at least 3 years. Required Qualifications & Skills Strong experience with OpenText Content Server, Extended ECM, Archive Server, and other OpenText modules.Hands-on expertise with OpenText Directory Services (OTDS) and authentication mechanisms.Proficiency in OpenText Web Services (REST, SOAP), OScript, and database management (Oracle, SQL Server).Knowledge of enterprise IT environments, Windows/Linux serv
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Posted 26 days ago

Sr. Systems Engineer, Virtualization/Linux Engineering

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
Posted 5 days ago | Updated 5 hours ago

Office 365 Migration Administrator

Peterson Technology Partners

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Remote

Contract

Our client is looking for a resource to assist in migrating approximately 7000 users from an existing Office 365 and G-Suite tenant to the Client's Office 365 tenant. The candidate will work hand in hand with our messaging team on all migration-related activity including moving mailbox data, domains, and MX records. POSITION RESPONSIBILITIES: Facilitate migration of domains from one O365 tenant to another. Work on migrating users from G-Suite to Office 365. Work with hotels and project managemen
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Posted 4 hours ago

Senior Windows and VMware Architect - Remote

PropelSys Technologies LLC.

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Texas, USA

Full-time, Third Party, Contract

Job Title: Senior Windows and VMware Engineer Location: Remote (CST and EST Time Zone Pref.) Resource Type: Contractor Job Title: Senior Windows and VMware Engineer (5B/6A) Experience Required: 10-15 years Job Summary: The Senior Windows and VMware Engineer is responsible for the implementation, administration, and support of enterprise-grade Microsoft Windows Server and VMware environments. This role plays a critical part in ensuring infrastructure stability, performance, and scalability
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Posted 14 days ago | Updated 17 hours ago

Infrastructure Engineer - ENG05 - Cleared On-Site

Apex Systems

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Aurora, Colorado, USA

Full-time

Job#: 2078219 Job Description: Apex Systems is seeking a Principal Platform Engineer / Linux with well-rounded Linux Infrastructure Engineering expertise to join an agile product team. The Ideal candidate will have experience in both traditional infrastructure design; provisioning of platform, storage, and networking resources for existing on-premise infrastructure hardware that ideally also has experience in emerging DevOps/DevSecOps & Modernized technologies. The Principal Platform Engineer wo
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Posted 16 days ago | Updated 5 hours ago

Senior Okta Systems Engineer / Remote / FT

Motion Recruitment Partners, LLC

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Remote or Atlanta, Georgia, USA

Full-time

A nationally awarded law firm is looking for a seasoned Systems Engineer who can be their SME for Okta internally. This is a full-time and fully remote position for a newer team internally. You will be the Manager of IT's right-hand man and help with operations focused infrastructure projects for them. They are looking for someone with a strong background in Okta, Windows 10/11 environments, automation with PowerShell and SQL server scripting. This is an exciting time to join their team, as the
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Posted 47 days ago | Updated moments ago

SIEM Administrator/SIEM Platform Administration

Source Code Technologies LLC

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Remote

Third Party, Contract

Position:SIEM Administrator /SIEM Platform Administration Location: Remote Duration: 6 months Job Summary: The role of the SIEM Administrator involves the administration, upkeep, and optimization of the Security Information and Event Management (SIEM) platform. This position is key to ensuring effective integration of log sources, developing and fine-tuning detection rules, and aligning security operations with the MITRE ATT&CK framework to enhance the organization\ 's threat detection and resp
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Posted 3 days ago

SOC Resource

Prudent Technologies and Consulting

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Remote

Third Party, Contract

REQUIRED SKILL SET CrowdStrike EDR: Investigation, alert triage, threat hunting. Core Security Mechanisms in Windows: The IT environment is primarily windows. Candidates should have functional knowledge of core windows security mechanisms. Security Principals and Security IdentifiersAccess TokensSecurity Descriptors, DACLS/Discretionary Access Control, Access Control Entries (ACEs)Windows PrivilegesKerberos and NTLMOS & Core Platform Skills: Windows security administration.Linux OS security admi
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Posted 5 days ago | Updated 5 days ago

Splunk Administrator- 100% Remote

Motion Recruitment Partners, LLC

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Remote or Arlington, Virginia, USA

Full-time

Splunk Administrator This company is seeking an experienced Splunk Administrator to manage and optimize their Splunk infrastructure. In this role, you'll ensure the performance, availability, and reliability of our data analytics platform. You'll work closely with cross-functional teams to implement monitoring solutions that enhance operational visibility and strengthen security across their IT environment. The company is located in Reston, VA and will remain 100% remote. What You Will Be Doing:
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Posted 1 hour ago