Microsoft Windows Administration jobs in Arnold, MO

Arnold, Missouri

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Today

Job ID: 2617874 Location: Arnold, MO, US Date Posted: 2026-10-19 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offer

Full-time

USD 120,001.00 - 160,000.00 per year

IT Project Manager

Scott Air Force Base, Illinois

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Today

Job Number: R0249474 IT Project Manager The Opportunity: Your combination of people skills and system administration knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the DoD? Your blend of technical skill, problem-solving ability, and mission focus enables you to keep critical systems running and secure. We're looking for a System Administrator with experience in Windows system administration, virtualiza

Full-time

USD 86,800.00 - 198,000.00 per year

Senior ConnectWise RMM Implementation Engineer

Remote

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13d ago

Senior ConnectWise RMM Implementation Engineer Remote Consultant/Engineer-Short Term Flexible hoursProjected Start - October 2026 - 4-5 weeks assignment Work Authorization - or No 3rd Party Candidates Position Summary Seeking an experienced Senior Systems Engineer specializing in ConnectWise RMM implementation and endpoint management migrations. The consultant will lead the customer's transition from GoTo Resolve to ConnectWise RMM, including environment assessment, platform configuration, endp

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Contract

$70 - $75

Windows / Linux Admin

Remote

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15d ago

Windows / Linux Admin DETAILS Location: Remote Position Type: 12M+ Contract Hourly / Salary: to $70W2+ (based on experience-level) JOB SUMMARY Vaco is currently seeking a Windows / Linux Administrator for a 12M+ Contract opportunity that is remote. The Windows / Linux Administrator will focus on providing enterprise Windows / Linux Server Administration while modernizing and automating infrastructure operations. The Windows / Linux Administrator will maintain the health, stability, performance

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Contract

$90

Splunk Engineer

Scott Air Force Base, Illinois

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Today

REQUIRED: TS/ w/ SCI and ship Job Description: We have an IMMEDIATE NEED a highly skilled Senior Splunk Administrator to join our team and take charge of designing, implementing, and maintaining our Splunk environment. The ideal candidate will possess a deep understanding of Splunk architecture and its various components including forwarders, indexers, and web interfaces. Moreover, proficiency in setting up Splunk on a Red Hat Enterprise Linux 8 (RHEL 8) system that is hardened is essential fo

Full-time

USD 78,000.00 per year

Software Developer

St. Louis, Missouri

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Today

The Leidos FS2 Aero team has an opening for a junior software developer to work on the design and coding with software solutions for the Aeronautical Navigation Office. The ideal candidate has a familiarity with and a baseline understanding of software development concepts, developing coding skills using different tools, and ambition towards future projects in support of the mission. Primary Responsibilities The applicant must possess an understanding of core AWS services, like compute, storage

Full-time

USD 69,550.00 - 125,725.00 per year

Countermeasures Engineer

Shiloh, Illinois

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Today

Defend the Nation's Networks Through Innovation and Advanced Cyber Engineering Join the front lines of national defense as a Countermeasures Engineer supporting the GSM-O II program. You'll provide critical network operations and cyber defense support to the Defense Information Systems Agency (DISA), protecting DoD and Combatant Command networks from the world's most sophisticated adversaries. Your Mission Countermeasure Development & Deployment: Design and deploy innovative, custom countermea

Full-time

USD 87,100.00 - 157,450.00 per year

Systems Engineer 3 (Remote)

Remote or Dallas, Texas

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Today

DataBank Holdings Ltd. is a leading provider of enterprise-class data center, cloud, and interconnection services, offering customers 100% uptime availability of data, applications, and infrastructure. DataBank's managed data center services are anchored in world-class facilities. Our customized technology solutions are designed to help customers effectively manage risk, improve their technology performance and allow them to focus on their core business objectives. DataBank is headquartered in t

Full-time

Cloud VDI Engineer (Azure Virtual Desktop)

Remote or Beavercreek, Ohio

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Today

ARS is seeking a Cloud VDI Engineer to design, operate, automate, and enhance Azure Virtual Desktop (AVD) environments within a classified government environment. This role ensures the reliability, security, and performance of Windows and Linux virtual desktop infrastructure, including image creation, session host management, application delivery, platform monitoring, and advanced troubleshooting. The Cloud VDI Engineer supports a mission-critical virtual desktop platform by collaborating close

Full-time

Senior Windows Administrator

Remote or Roanoke, Virginia

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Today

Overview Empower AI is AI for government. Empower AI gives federal agency leaders the tools to elevate the potential of their workforce with a direct path for meaningful transformation. Headquartered in Reston, Va., Empower AI leverages three decades of experience solving complex challenges in Health, Defense, and Civilian missions. Our proven Empower AI Platform provides a practical, sustainable path for clients to achieve transformation that is true to who they are, what they do, how they wo

Full-time

USD 87,320.00 per year

Software Packaging Engineer - Remote

Remote

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24d ago

Software Packaging Engineer 12 month+ Contract Remote W2 Hourly Rate: $60/hr. range Description We are seeking an experienced Software Packaging Engineer contractor to support our clientsEUC Software Delivery Enhancements Project, a strategic initiative focused on modernizing software packaging and application delivery across the enterprise. The primary objective of this role is to assess, package, test, and deploy our existing portfolio of enterprise applications usingLiquidware FlexAppapplic

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Contract

Depends on Experience

Cloud Systems Administrator

Sunset Hills, Missouri

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Today

Job Title: Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: Serve as a Cloud Systems Administrator supporting our National Security Mission. You will oversee and provide system administration, integration, maintenance and customer support on the customer's Enterprise Development, Test, and Production sy

Full-time

USD 75,200.00 - 158,100.00 per year

Cloud Infrastructure Engineer

Remote or Sterling, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

USD 77,000.00 - 163,000.00 per year

Senior Monitoring and Observability Engineer

Remote

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7d ago

Job Title:Senior Monitoring and Observability Engineer Location:Washington, DC (Remote) Type:Contract Compensation:$68.00 - $80.00 per hour on W2 Security Clearance:Must be able to obtain a Public Trust clearance Responsibilities Engineer, operate, maintain, and continuously improve the enterprise monitoring and observability platform, including dashboards, monitors, metrics, logs, APM, synthetic monitoring, tagging, integrations, and related capabilities. Assess monitoring coverage across ente

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Contract

$68

Systems Engineer - ArcGIS Enterprise | TS/SCI

St. Louis, Missouri

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Today

Overview Build and Sustain Enterprise Technology Supporting Critical National Security Missions. Join Esri`s Professional Services organization and help deploy, integrate, migrate, and optimize ArcGIS Enterprise environments supporting mission-driven customers. You`ll solve complex technical problems across enterprise infrastructure, operating systems, cloud, networking, security, databased, and ArcGIS while working directly with customers to deliver reliable enterprise solutions. Esri has a

Full-time

USD 120,640.00 - 197,600.00 per year

Senior System Engineer - ArcGIS (Mission-Focused)

St. Louis, Missouri

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Today

Overview Join Esri`s Professional Services team and lead the design and delivery of mission critical ArcGIS deployments supporting Defense and Intelligence operations. As a Senior System Engineer, you will architect and optimize enterprise scale geospatial systems across complex, secure environments. You will guide customers on deployment strategies, high availability architectures, system performance, and integration across cloud, on-premises, and hybrid infrastructures. You will act as a tr

Full-time

USD 156,000.00 - 239,200.00 per year

Cloud Systems Administrator

St. Louis, Missouri

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Today

Job Title: Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: None Type of Travel: Local * * * The Opportunity: Serve as a Cloud Systems Administrator supporting our National Security Mission. You will oversee and provide system administration, integration, maintenance and customer support on the customer's Enterprise Development, Test, and Production

Full-time

USD 75,200.00 - 158,100.00 per year

Senior Systems Engineer - ArcGIS Enterprise | TS/SCI

St. Louis, Missouri

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Today

Overview Build and Optimize Enterprise Technology Supporting Critical National Security Missions. Join Esri`s Professional Services team and lead the deployment, optimization, and modernization of mission critical ArcGIS Enterprise environments supporting Defense and Intelligence customers. You`ll solve complex technical challenges spanning enterprise infrastructure, cloud, networking, security, databases, automation, high availability, and ArcGIS. As a senior technical resource, you`ll guide

Full-time

USD 156,000.00 - 239,200.00 per year

System Engineer - ArcGIS (Mission-Focused)

St. Louis, Missouri

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Today

Overview Join Esri`s Professional Services team and help design, deploy, and optimize mission critical geospatial systems that support national security operations. In this role, you will work directly with mission focused organizations to implement and modernize enterprise ArcGIS environments across complex, secure infrastructures. You will architect and support deployments across cloud, on-premises, and hybrid environments, ensuring performance, scalability, and reliability for high impact o

Full-time

USD 120,640.00 - 197,600.00 per year

Systems Administrator

St. Louis, Missouri

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Today

Overview System Administrator St. Louis, MO Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly Security+ or CASP, ITIL v4 Foundations At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud soluti

Full-time

Microsoft Windows Administration jobs in Arnold, MO 63010, USA