251 Results for

Systems Administrator Jobs in Colorado

Jobs

New!

Denver, CO2 days ago

$65,000–$80,000 Per Year

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New!

Colorado Springs, CO2 days ago

$117,000–$218,000 Per Year

As the prime integrator of the National Space Test & Training Range Orbital (NSTTC-O) for the United States Space Force, L3Harris is looking for a candidate to develop and sustain the Range Control Software (RCS) integration environment as part of a cross-functional DevSecOps team. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Boulder, CO28 days ago

Full-time
Employee

If you are an extraordinary technologist who loves creative problem solving, can interface with clients just as well as operating systems, and wants to build an enduring, impactful organization, we want you on our team! This role will own entire projects and engage with clients as their trusted advisor, driving forward critical efforts to strengthen their cybersecurity posture and ensure their data is secure.

Colorado Springs, CO30+ days ago

Driven by an entrepreneurial spirit, Cimarron is fueled by highly skilled employees, developing new innovative technologies, and delivering superior products and services. From company communication through Company-wide information meetings led by our President and CEO, to an Awards program designed to recognize our amazing employees and their accomplishments, you will not only feel like you are a part of a team, you will be a valued member of the Cimarron family.

Aurora, Colorado15 days ago

$117,000–$135,000 Per Year

Aurora, Colorado15 days ago

$102,000–$109,000 Per Year

Colorado Springs, CO30+ days ago

Operating, managing, and maintaining On-Prem VMware Horizon Virtual Desktop Infrastructure (VDI) for the customer to include troubleshooting, break fix activities, the patching and remediation of servers, and system audit log reviews as necessary Performing actions as a Windows System Administrator on Servers and Client image Maintaining smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management Working across disciplines to isolate issues between software, firmware, and hardware, between software and operating systems, between networks and applications, and between one-time events and recurrent systemic problem Designing and documenting installation and configuration solutions Creating templates and machine images based on user requirements Maintaining and patching of the environment Providing Level 2/3 support for our internal staff Working remotely using USNORTHCOM Virtual Desktop Infrastructure (VDI) to support COVID-19 safety protocols, On-Call (after hours) and Contingency Operations FILLING THIS POSITION IS CONTINGENT UPON FUNDING #LI-LH1 Requirements 3 years minimum experience with Windows Server Management 3 years minimum experience with VMWare ESXI, vCenter, Horizon and Cloud Pod Architecture Experience IAVM DoD security implementation including STIG and security tools 2-year Degree (e.g. The Private Cloud hosts classified USSPACECOM Mission Systems and Web Services including several Program of Record (PoR) Systems and Information Technology (IT) infrastructure including Windows and Red Hat Enterprise Linux (RHEL) servers.

Denver, CO10 days ago

$115,000–$160,000 Per Year

The work we do here goes far beyond day-to-day projects - it further protects the US defense industrial base from cyber threats, fosters thought leadership, and creates growth opportunities. This role will involve interactions with customer users both onsite and through a service desk and being a liaison for the team between higher level engineers and the service desk personnel.

Colorado Springs, CO7 days ago

The Private Cloud hosts NORAD and USNORTHCOM Mission Applications and Web Services including the Situational Awareness Geospatial Enterprise (SAGE) and Air Event Information Sharing Service (A/EISS) applications, as well as the Global Command and Control System-Joint (GCCS-J) and Joint Range Extender (JRE) Program of Record (PoR) Systems and Information Technology (IT) infrastructure including Red Hat Enterprise Linux (RHEL) servers. Scientific Research Corporation (SRC) is an advanced information technology engineering company that provides innovative products and services to government and private industry, as well as independent institutions.

Aurora, CO21 days ago

$175,000–$205,000 Per Year

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location , education and certifications as well as Federal Government Contract Labor categories. • Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices.

Aurora, CO21 days ago

$155,000–$175,000 Per Year

Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories.

Colorado Springs, CO30+ days ago

Full-time

Must have 4, or more, years of directly relatable experience in installing, configuring, maintaining, and troubleshooting Windows operating systems and applications such as Windows Server 2022 and Windows 11. We are seeking dynamic professionals who embody our core values of Integrity, Commitment, and Excellence to join our growing Crew in support of our customers across the federal, state, and commercial markets.

Aurora, Colorado15 days ago

$128,000–$160,000 Per Year

Colorado Springs, CO30+ days ago

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. Job Number: R0216958 Linux Systems Administrator The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving oneproblem after another.

Aurora, CO21 days ago

$155,000–$175,000 Per Year

New!

Colorado Springs, CO6 days ago

The Senior Systems Administrator provides senior‑level system administration, integration, and sustainment support for mission‑critical applications and systems supporting United States Space Command. Work is performed with minimal supervision and requires advanced technical expertise, strong communication skills, and the ability to support geographically dispersed customers and engineering teams.

Colorado Springs, CO30+ days ago

$100,000–$120,000 Per Year

WHAT YOU CAN EXPECT TO DO: Microsoft Entra/365 Administration Manage day-to-day operations of Microsoft Entra/365, including Exchange Online, SharePoint, Teams, OneDrive, and licensing. Auria is looking to hire a highly skilled and proactive Systems Administrator III specializing in Microsoft 365 Administration to support and enhance our cloud collaboration environment.

Colorado Springs, Colorado20 days ago

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. They utilize model-based systems engineering tools, contribute to risk management, drive continuous process improvements through automation and metrics, document findings for reviews and deliverables, and mentor junior engineers, providing technical leadership across projects as they advance in the role.

Colorado Springs, CO30+ days ago

Full-time

Coordinate efforts with other work centers and personnel to resolve Remedy Incidents related to systems and supporting infrastructure, troubleshooting any system errors or user issues, tracking resource utilization and performance of systems, and performing modifications and upgrades as needed. Perform daily/weekly system health (battle-rhythm) checks on the Missile Defense Agency's Enterprise Information Technology environment's Windows and network infrastructure to ensure critical functions are performing properly.

Lakewood, CO30+ days ago

$70,000–$95,000 Per Year

Please use the link provided here to apply for this position: [https://nexgen-technologies-inc.gnahiring.com/job/943901/gis-systems-administrator-arcgis-experience-required?s=connectingcolorado](https://nexgen-technologies-inc.gnahiring.com/job/943901/gis-systems-administrator-arcgis-experience-required?s=connectingcolorado){rel="noopener noreferrer" target="_blank"}. The GIS Systems Administrator will collaborate with engineers, developers, and end users to provide reliable, secure, and high-performing EGIS services, including desktop, web, and mobile GIS applications.

Loveland, CO30+ days ago

$55,549.42–$92,503.07 Per Year

In compliance with Colorado's Equal Pay for Equal Work Act, the salary range for this role is $55,549.42 to $92,503.07; however, Serco considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's work experience, education/training, and key skills. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic market considerations.

Denver, CO30+ days ago

Remote

Our comprehensive and data-driven virtual health platform is designed to help people, providers, employers, health plans, government organizations, and communities optimize individual and population-wide well-being by driving positive behavior change. · Set up and support Windows and macOS laptops, enroll and manage Macs with Kandji and Apple Business Manager, partner with the depot on swaps and new hire kits.

New!

Colorado Springs, CO5 days ago

$85,000–$100,000 Per Year

This position provides technical support for VoIP/VoSIP devices and plays a key role in maintaining and administering Cisco Unified Communications Manager (CUCM) environments. Oneida Network Infrastructure (ONI) is a subsidiary of Oneida Innovations Group, delivering secure, reliable, and mission-ready IT, engineering, and communications solutions to the U.S. Department of Defense and federal agencies.

Aurora, CO30+ days ago

This rewrite reflects the source posting's emphasis on managing, securing, and optimizing high-performance, mission-critical systems and leading systems operations in support of geospatial analytics, software development, and data services. This role is ideal for a senior engineer who can own Linux-heavy operations in a classified environment while also supporting Windows systems, virtualization, automation, and overall platform reliability.

New!

Denver, CO6 days ago

TDS Telecom provides high-speed internet, TV entertainment, and phone services to a diverse range of communities, including small to mid-sized urban, suburban, and rural areas across the U.S. With over 50 years of experience, TDS is committed to building and expanding fiber optic networks that bring cutting-edge connectivity to neighborhoods nationwide. You will partner with system administrators and engineers to manage thousands of virtual machines across on‑premises data centers and regional peering sites nationwide, using strong Linux command-line and scripting skills to solve complex platform challenges.

Golden, CO30+ days ago

PostgreSQL 9.6 or higher, Solr/Lucene, Elasticsearch AWS RDS and MongoDB, Python, Linux, Windows, Git, CI/CD pipelines, Docker, ECS, EKS, NGINX, Apache, Tomcat, Traefik, Atlassian Suite (Jira, Service Desk), shell scripting, Terraform, Strong troubleshooting and documentation skills. Understand using tools such as Kubernetes, Docker, ECS, EKS, NGINX, Apache, Tomcat, Traefik, Atlassian Suite (Jira, Service Desk) Python, shell scripting, Terraform, CDK and other open-source toolkits to enhance and maintain web applications, etc.

Lakewood, CO30+ days ago

Remote

$70,000–$95,000 Per Year

The GIS Systems Administrator will collaborate with engineers, developers, and end users to provide reliable, secure, and high-performing EGIS services, including desktop, web, and mobile GIS applications. (The successful candidate's starting pay will fall within the salary range provided and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions.).

Colorado Springs, CO30+ days ago

$55,200–$126,000 Per Year

You Have: Experience with DoD partners Knowledge of IT systems and network concepts Ability to work weekends, holidays, and up to 12 hours a day outside of normal work hours TS/SCI clearance with a polygraph HS diploma or GED Ability to obtain Security+ CE, SSCP, CCNA-Security, or GSEC Certification within 6 months of start date Nice If You Have: Experience working in a DevSecOps environment Experience with Linux administration Experience in or supporting the military Experience with network devices, including firewall administration Knowledge of DoD messaging systems Knowledge of government security practices and policies Ability to work in a fast-paced and collaborative team environment Possession of excellent analytical and problem-solving skills Associate's degree Security+ CE, SSCP, CCNA-Security, or GSEC Certification Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.

Colorado Springs, CO30+ days ago

$114,000–$129,000 Per Year

A Bachelor’s Degree in Computer Science, Information Technology, Computer Information Systems, Mathematics, Physics, or a related field from an accredited university, along with 5 years of experience; or a Master’s degree in a related field with 3 years of relevant work experience; or 9 years of relevant work experience may be considered as an alternative to a degree. IERUS develops value for our defense and commercial customers through accelerations of the technology life cycle: identifying, creating, transitioning, and producing technologies with integrity of purpose and product.

Colorado Springs, CO30+ days ago

$90,000–$120,000 Per Year

Bluestaq will make reasonable accommodations for qualified individuals with known disabilities and employees whose work requirements interfere with a religious belief unless doing so would result in an undue hardship to Bluestaq or a direct threat. Perform daily maintenance, monitoring, troubleshooting applications, networking problems, and systems issues on both cloud-hosted and on-premises platforms to ensure our enterprise software is functioning smoothly.

Denver, CO30+ days ago

The role is designed for a senior individual contributor with strong Yardi experience who uses AI?driven workflows (e.g., ChatGPT, Claude) to learn platforms quickly, solve integration challenges, and create durable documentation and training. You will configure platforms, manage vendors, lead implementations, train users, handle escalated support issues, and ensure accurate data flow between systems.

Castle Rock, CO19 days ago

$70,000–$90,000 Per Year

Signature Banking means we take ownership to resolve the needs of internal and external customers and ensure follow-up, which in turn builds relationships. We are seeking employees that care about customers and are interested in continuous improvement and have a growth mindset, and who enjoy the idea of being a representative of the bank in your community.

Colorado Springs, CO30+ days ago

Cimarron is seeking *Systems Administrator (Linux/Storage) *to support the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract at Schriever Space Force Base in Colorado Springs, CO. From company communication through Company-wide information meetings led by our President and CEO, to an Awards program designed to recognize our amazing employees and their accomplishments, you will not only feel like you are a part of a team, you will be a valued member of the Cimarron family.

Colorado Springs, CO30+ days ago

Manage and support classified Hosted Systems Provide support for systems and peripheral connections Security Support: Provides critical system administration support during incident response Monitors available resources that provide warnings of system vulnerabilities or attacks Isolates individual systems and necessary files for forensic analysis Adds and removes users, in active directory, granting permissions to transfer removable media Enables and disables physical access to transfer removable media at system endpoints Reports all information system violations of corporate policies to the ISSM/O Configure applications to alert in the event of an audit processing failure and record the e ent Coordinates all equipment moves with the ISSM/O Secures the audit repository from general users, makes accessible to auditors only Ensures the audit repository is included in the weekly backup Performs antivirus/software update and patch management per ISSM/O direction Ensures all remote maintenance connections are approved prior to establishing the connection Ensures all remote maintenance connections are terminated at the end of the session Monitors and controls non-local maintenance and diagnostic activities Notifies ISSM/O of any needed planned/out-of-cycle operational configuration changes to the system. DoD 8140 series; Intelligence Community Directive Series 500/600/700; NIST 800 series special publications; Executive Orders 13556 and 13636, the Joint Special Access Program Implementation Guide Rev 4, and DISA Security Technical Implementation Guides.

Littleton, CO11 days ago

Full-time

Bright Vision Technologies is a forward-thinking technology consulting company dedicated to delivering innovative IT solutions that help organizations optimize operations, strengthen security, and enhance mission-critical infrastructure. As we continue to grow, we’re looking for an experienced Systems Administrator (HPC Linux) to join our dynamic team and contribute to supporting critical national security programs.

Louisville, CO23 days ago

The ideal candidate will have deep technical expertise across virtualization platforms, cloud services, and enterprise systems, along with a strong commitment to documentation, operational excellence, and continuous improvement. Administer and support core services including Active Directory, Microsoft 365, DNS, DHCP, and identity management solutions.

Colorado Springs, Colorado13 days ago

$115,000–$165,000 Per Year

Space Delta 8 is the SATCOM war-fighting lead for the US Space Force and leads the operation, maintenance, and modernization of the Wideband Global SATCOM System (WGS) with points of presence located at multiple sites CONUS and OCONUS, providing the day-to-day operational support needed to manage DoD’s satellite communications capabilities. The System Administrator SME functions as a technical expert for virtual machine and virtualization administrator support for the Wideband SATCOM Operational Management System (WSOMS).

Denver, CO20 days ago

$80,000–$90,000

You bring strong project management skills to vendor relationships and team support requests, pair them with data entry and management practices, and deliver high-fidelity reporting to the full leadership team. As the gatekeeper of our systems and data, you will bridge the gap between business requirements and technical execution, optimizing our Salesforce instance to improve efficiency, productivity, and security across the entire organization.

Denver, Colorado30+ days ago

Remote

$65–$82

The System Administrator position will provide a high level of technical support for Windows 2008 server hardware, operating system and system software on web, application, file and reporting servers. By replying to this job advertisement, I agree I want to receive additional job advertisements from Focused HR Solutions, including email, phone and mail to the contact information I am submitting.

Lakewood, Colorado20 days ago

As a Linux Systems Administrator I, you will provide support for our enterprise-level Linux-based systems and will assist with installation, configuration, testing, and management of the operating systems, hardware, and software to support our IT architecture and business needs. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

Littleton, CO30+ days ago

Support identity and access management integrations, including LDAP and token-based authentication, and partner with engineering and support teams to improve security, stability, and operational consistency across critical Linux environments. North Point Technology is hiring a senior Linux Administrator SME to support enterprise MLS configurations across mission-critical environments, including the Centralized Supercomputing Facility (CSCF) and other high-impact programs.

Littleton, CO30+ days ago

This role is ideal for a senior Linux expert who can troubleshoot deep system issues, automate administration at scale, and strengthen secure, reliable platform operations across complex environments. North Point Technology is hiring a Linux Administrator SME to support mission-critical environments across our Centralized SuperComputing Facility (CSCF) and other high-impact programs.

Englewood, Colorado14 days ago

$72,400–$103,400 Per Year

Serve as the enterprise subject matter expert for Gmail administration, maintaining advanced knowledge of Google Admin Console configurations, Proofpoint Admin Console, Google Workspace APIs within GCP, and related integrations and automation. Oversee product quality and continuous improvement initiatives by developing usage reporting, monitoring adoption trends, implementing corrective and preventive actions, and driving expansion of Gmail capabilities through integrations and targeted training.

New!

DENVER, CO4 days ago

Our Mission is that as North America’s premier independent power generator, we will deliver renewable and reliable power to our customers, opportunities to our employees, sustainable returns to the families who invest in us, and a better world to the next generation. Onward Energy total rewards philosophy is motivated by a key tenet of People First and offers associates a comprehensive total rewards package which includes market-competitive compensation, health and life insurance, and retirement savings benefits.

Aurora, Colorado30+ days ago

$69.72–$79.33 Per Hour

Fort Collins, CO30+ days ago

Full-time

Respond to system alerts and alarms, trouble tickets, emails, and phone calls from users, conduct initial triage and escalation to provide timely resolution and maintain system availability and performance . Duties will include monitoring and managing network operations, responding to system alerts, performing system maintenance, and providing first-level technical support for both local and remote enclaves.

Denver, Colorado30+ days ago

$45–$60

QUALIFICATIONS:Relevant degree or diploma in Information systems or information technology, Microsoft MCSE certification, experience administering server-side technology and networked computing systems. This includes participating in team meetings and implementing project tasks and time tracking: Attend and complete all internal OIT provided training and take advantage of professional development with manager approval.

Colorado Springs, CO21 days ago

$89,000–$116,000 Per Year

DoD 8140 series; Intelligence Community Directive Series 500/600/700; NIST 800 series special publications; Executive Orders 13556 and 13636, the Joint Special Access Program Implementation Guide Rev 4, and DISA Security Technical Implementation Guides. Keyword: NIST SP 800-53, NIST RMF, NIST SP 800-37, ICD 503, JSIG, CNSSI 1253, CMMC, FedRAMP, Security Control Assessor, continuous monitoring, system hardening, STIGs, ACAS, vulnerability management.

Colorado Springs, CO18 days ago

$109,000–$130,000 Per Year

Kratos is valued for our ability to design and deliver leading edge, resilient solutions for aerospace communication, control, awareness and mission success across a continuum of offeringsfrom commercial to tailored custom solutions and integrated programs. Strong interpersonal and communication skills; ability to write purchase justifications, train users in various topics, and interact positively with management.

Colorado Springs, CO8 days ago

$90,000–$100,000 Per Year

By providing your phone number, you consent to: (1) receive automated text messages and calls from the Judge Group, Inc. and its affiliates (collectively "Judge") to such phone number regarding job opportunities, your job application, and for other related purposes. · Install new software releases, system upgrades, patches, and resolve software‑related issues affecting Cisco Unified Communications Manager (UCM).

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Systems Administrator Jobs in Colorado

Jobs

Construction Contract Administrator (Mechanical or Electrical)Jobot

Lead, Software Engineer - AWS / DevSecOps Cloud ArchitectL3Harris Technologies

Rule4Rule4

Windows Systems AdministratorCimarron Software Se

Systems AdministratorTekSynap

Junior Systems AdministratorTekSynap

Systems AdministratorScientific Research

Senior Systems AdministratorSummit 7 Systems

DoD SkillBridge Intern - Systems Administrator I (Active Duty Service Member)Scientific Research Corporation

Principal Systems AdministratorEnvision Innovative Solutions

Senior Systems AdministratorEnvision Innovative Solutions

Windows System Administrator (Night Shift)LaunchTech

Senior Systems AdministratorTekSynap

Linux Systems AdministratorBooz Allen Hamilton

Senior Systems Administrator -HybridEnvision Innovative Solutions

Sr Systems AdministratorScientific Research Corporation

Systems Administrator III - 365/Entra AdministrationAuria (Boecore LLC)

Systems Administrator IIIArcfield

Windows Server System AdministratorLaunchTech

GIS Systems Administrator-ArcGIS experience REQUIRED! - 20250730-ADMNexgen Technologies,

Systems AdministratorSerco

Systems Administrator- RemoteSharecare

Voice Systems AdministratorOneida Network Infrastructure

Systems Administrator - VMware/KVM (TS/SCI Clearance Required)North Point Technology

Sr Systems AdministratorTDS Telecom

Sr. Systems Administrator (VMAdmin)Inalab

GIS Systems Administrator-ArcGIS experience required (Remote)Nexgen Technologies,

Systems Administrator, MidBooz Allen Hamilton

Systems AdministratorIERUS Technologies, Inc.

Staff Systems AdministratorBluestaq US External

Senior Yardi Voyager Systems AdministratorSearch Partner Group

On-site Microsoft Systems AdministratorPB&T Bank

Systems Administrator (Linux/Storage)Cimarron Software Se

Systems AdministratorKratos Technology &

Systems Administrator (HPC Linux)Bright Vision Technologies

IT Systems & Cloud AdministratorInfleqtion

System Administrator SMEEntarian

Salesforce & Business Systems AdministratorDowntown Denver Partnership

1.20. VMWare ESX Systems AdministratorFocused HR Solutions

Linux Systems Administrator IAMERICAN SYSTEMS

Systems Administrator - SE Linux / MLS (TS/SCI Clearance Required)North Point Technology

Systems Administrator - HPC Linux (TS/SCI Clearance Required)North Point Technology

Systems Administrator II - Email InfrastructureEchoStar

System Administrator IIIOnward Energy

System AdministratorEverwatch

Network Operations Center System AdministratorPersistent Systems LLC

M3-20-System Administrator 9216404Focused HR Solutions

System AdministratorKratos Defense

Senior System AdministratorKratos Defense

Voice Systems AdministratorJudge Group

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