Last updated: 2025-06-06

52 It Systems Administration jobs in Denver.

Hiring now: Professional Services Consultant For App @ Cloudflare, Network Engineer @ Janus Hend, Infrastructure Engineer @ Visa, Sr Systems Engineer Unisys @ Fiserv, Sr Principal Windows System Administrato @ Scitec, System Administrator @ Colorado C, Systems Engineer @ Rampant Te, Virtual Desktop Infrastructure Vdi Engin @ Contact Go, Field Engineer @ Clear, System Administrator Associate_Tssci Wit @ General Dy. Explore more at at jobswithgpt.com

🔥 Skills

Linux (12) troubleshooting (7) Troubleshooting (7) Automation (6) Infrastructure (4) Active Directory (4) Systems Administration (4) Technical Support (4) Cloud (4) Project Management (3)

📍 Locations

Denver (14) Boulder (9) Aurora (6) Highlands Ranch (4) Centennial (2) Lakewood (1) Thornton (1)

Cloudflare

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites…

Professional Services Consultant for Application Security and Performance

Denver

  • Skills: DDoS Protection, WAF, API Gateway, Bot Management, Certificates Manager, Rate Limiting, SSL, Page Shield, Project Management, Scripting Languages
  • Experience: 8+ years of experience in a customer facing position as a Customer Engineer, Security Engineer, Implementation Engineer, Onboarding Engineer, Consultant, Technical Support Engineer, Solutions Architect, and/or Systems Engineer.
  • Salary: Estimated annual salary of $159,000.00 - $195,000.00 for Colorado, New York and Texas based; $176,000.00 - $215,000.00 for New York City, Washington, DC Metro and California based (excluding Bay Area); $184,000.00 - $224,000.00 for San Francisco Bay Area based hires.

Janus Henderson Investors

At Janus Henderson, we are committed to a mission of helping clients define and achieve superior financial outcomes through differentiated insights, discipline…

Network Engineer

Denver

  • Skills: network administration, Cisco networking, cloud networking, Microsoft Azure, Palo Alto firewalls, network access control, BGP, OSPF, Python, Terraform
  • Type: Full-time
  • Salary: $110,000-$125,000

Visa

This position is within the Operations and Infrastructure Organization at Visa.

Infrastructure Engineer

Highlands Ranch

  • Skills: Infrastructure, Automation, Root Cause Investigation, ITIL, Linux, VMWare, Containers, Monitoring Tools, Infrastructure Support, SLA Management
  • Type: Hybrid

Fiserv, Inc.

Fiserv is a global leader in payments and financial technology with more than 40,000 associates proudly serving clients in more than 100 countries. Fiserv conn…

Senior Systems Engineer (Unisys)

Denver

  • Skills: Unisys MCP, infrastructure engineering, system performance, capacity reports, 24x7 uptime, auditing standards, technical research, performance improvement, solution architecture, collaboration
  • Experience: 5+ years of experience on Unisys MCP systems
  • Type: Full-time
  • Salary: $75,600.00 - $135,000.00

SciTec, Inc.

SciTec is a dynamic small business with the mission to deliver advanced sensor data processing technologies and scientific instrumentation capabilities in supp…

Senior Principal Windows System Administrator

Boulder

  • Skills: Windows systems administration, Active Directory, Windows Server, Group Policy, security policies, performance tuning, troubleshooting, technical issues, system performance, networking
  • Experience: 10+ years professional experience performing duties of a Windows system administrator
  • Type: Full-time
  • Salary: $150,000- $195,000 / year

Colorado Christian University

Colorado Christian University is the premier interdenominational Christian university in Colorado, delivering world-class education to thousands of students si…

System Administrator

Lakewood

  • Skills: System Administrator, Windows Server, Active Directory, VMware, Linux, M365, backup solutions, endpoint protection, network support, cloud environment
  • Experience: Minimum 3 years of recent work experience as a System Administrator in a small to midsize Microsoft environment.
  • Type: Hybrid Remote
  • Salary: $65,000 to $80,000 annually

Rampant Technologies

Systems Engineer

Aurora

  • Skills: Cyber Security, IT solutions, System Administration, Service Oriented Architecture, Red Hat Enterprise Linux, TS/SCI clearance, Security+ CE, Engineering, Contract programs, Principal Engineer
  • Experience: Minimum of eight (12) years’ relevant experience

Contact Government Services, LLC

Contact Government Services (CGS) strives to simplify and enhance government bureaucracy through the optimization of human, technical, and financial resources.…

Virtual Desktop Infrastructure (VDI) Engineer

Denver

  • Skills: virtualized workstation images, VMware ThinApp, Tier 3-level support, incident support, system engineering, MS Windows 10 integration, PowerShell, large enterprise environments, government clients, project management
  • Experience: 4+ years
  • Type: Full-Time
  • Salary: $131,040 - $168,480 a year

CLEAR

CLEAR's mission is to create frictionless experiences where every day feels magical. Their identity platform transforms the way people live, work, and travel, …

Field Engineer

Denver

  • Skills: Field Engineer, technology infrastructure, customer support, hardware maintenance, remote support, software updates, troubleshooting, SLA compliance, MDM Solutions, Systems Administrator
  • Experience: Minimum of 3 years working within a Service Desk or Support driven role.
  • Type: Full-time
  • Salary: $70,000-$90,000

General Dynamics

GDIT is a global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. g…

System Administrator Associate_TS/SCI with Polygraph

Aurora

  • Skills: Systems Administration, Technical Support, Troubleshooting, IT infrastructure, Installation, Maintenance, Customer Service, Incident Management, Change Management, VoIP
  • Experience: 0+ years of related experience
  • Type: Full Time
  • Salary: $26.30 - $30.41 hourly

Caribou

At Caribou, we care about giving people financial freedom so they can focus on what’s most important to them. Today, less than two percent of Americans refinan…

IT Systems and Operations Administrator

Denver

  • Skills: IT Systems, Operations, Support, SaaS, Security, Project Management, Vendor Management, Help Desk, Automation, Networking
  • Experience: 5+ years of IT experience, including help desk support and systems administration; 2+ years of experience in a senior IT role, handling escalated support and IT systems architecture.
  • Salary: $100k - $125k

Crusoe

Crusoe is building the World’s Favorite AI-first Cloud infrastructure company. We’re pioneering vertically integrated, purpose-built AI infrastructure solution…

IT System Administrator

Denver

  • Skills: Systems Administration, Infrastructure Engineering, Identity Management, Enterprise Applications, Cloud Environments, GCP, Azure, Windows Support, Manufacturing Systems, Network Security
  • Experience: 2+ years of experience in Systems Administration or Infrastructure Engineering
  • Salary: Compensation will be paid in the range of $90,000 to $110,000 base salary.

General Dynamics Mission Systems, Inc.

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully…

Linux and Cloud Application Support Specialist

Boulder

  • Skills: Linux, Cloud, Support, Information Technology, Troubleshooting, Virtual Machines, Platform As A Service, Red Hat Enterprise Linux, Containerized Services, Department of Defense
  • Experience: Minimum of 8 years of relevant experience or 6 years with a Master's degree
  • Type: Full Time
  • Salary: $129,706.00 - $140,346.00 /Yr

Shorr Packaging Corporation

Shorr Packaging Corp is an equal-opportunity employer specializing in packaging solutions.

Systems Engineer III

Aurora

  • Skills: IT infrastructure, cloud (AWS), system administration, virtualization, IT projects, security, PowerShell, Python, project management, disaster recovery
  • Experience: 7+ years in system administration and cloud services
  • Salary: $100,000 - $120,000 plus bonus

nbcuniversal3

Network Engineer

Centennial

  • Skills: network, firewalls, Cisco, Arista, Palo Alto, automation, monitoring, scalable, infrastructure, broadcast

Visa

Infrastructure Support Engineer

Highlands Ranch

  • Skills: Infrastructure, Automation, Monitoring, Linux, Ansible, Chef, Splunk, Kubernetes, Security, Incident Response
  • Type: Full-time

nbcuniversal3

Systems Engineer

Centennial

  • Skills: media production, technology, systems, IT, media applications, infrastructure, cyber security, incident response, workflow solutions, troubleshooting

NetApp

NetApp is the intelligent data infrastructure company, turning a world of disruption into opportunity for every customer.

Software Engineer - Continuous Product Engineering

Boulder

  • Skills: System Logs, NetApp ONTAP, Troubleshooting, Software Fixes, Customer Support, File System, Protocol Diagnosis, Debugging, Source Code, Interoperability
  • Experience: 2+ years
  • Type: Full-time
  • Salary: 108,800 - 162,800 USD

General Dynamics

Systems Administrator Associate Technician _TS/SCI with Polygraph

Aurora

  • Skills: Systems Administration, Troubleshooting, Hardware Support, Incident Resolution, IT Infrastructure, System Checks, Customer Service, Incident Management, Change Management, Technical Support
  • Experience: 0+ years
  • Type: Full-time

NetApp, Inc.

Software Engineer - Continuous Product Engineering

Boulder

  • Skills: Continuous Product Engineering, NetApp ONTAP, storage operating system, protocols, NFS, CIFS, MetroCluster, filesystem problems, software fixes, troubleshooting
  • Experience: 2 years of experience or higher
  • Salary: 108,800 - 162,800 USD

Palantir Technologies

Systems Engineer

Denver

  • Skills: Systems Engineer, infrastructure, Palantir Foundry, AIP, technical expertise, business systems, system integration, automation, technical leadership, operational system
  • Experience: At least 1 year of experience administering an HR, Finance, or Sales system
  • Type: Full-time
  • Salary: $95,000 - $142,000/year

Splunk

Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world.

Cloud Technical Support Engineer – US Public Sector

Boulder

  • Skills: Technical Support, Cloud, Python, Linux, Scripting, Networking, Business Intelligence, Troubleshooting, Software, Engineering
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Meta

Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect.

Network Engineer, Operations and Support

Denver

  • Skills: Network Operations, TCP/IP, CDN, Automation, Infrastructure, Cross-functional collaboration, Incident Response, Escalation Management, Operational Leadership, Data Assurance
  • Type: full_time
  • Salary: {'min': 133000.0, 'max': 190000.0, 'period': 'annual', 'currency': 'USD'}

Parsons

Parsons delivers innovative solutions to our government customers that ensure the success of missions around the globe. Our intelligent employees drive the sta…

Tier 2 Network Engineer

Boulder

  • Skills: Tier 2 Network Engineer, Juniper Networks, Palo Alto Firewalls, Routing Protocols, Network Troubleshooting, Security Systems, Scripting, Network Automation, Cloud-scale Data Center Design, DoD IT Enterprise
  • Type: full_time
  • Salary: {'min': 100900.0, 'max': 176600.0, 'period': 'annual', 'currency': 'USD'}

Scout

Network Engineer

Boulder

  • Skills: network infrastructure, Palo Alto, Fortinet, Cisco, SD-WAN, WAN solutions, network monitoring, cloud networking, network security, disaster recovery
  • Type: full_time
  • Salary: {'min': 75000.0, 'max': 110000.0, 'period': 'annual', 'currency': 'USD'}

Google

Google is a global company that provides various technology and internet services across the globe. They focus on operations that ensure reliable and efficient…

Network Implementation Engineer Manager, DCNet Delivery

Thornton

  • Skills: network implementation, optical network infrastructure, telecommunications, data center operations, network design, cloud computing, Linux server, program management, network architecture, automation
  • Type: full_time
  • Salary: {'min': 144000.0, 'max': 211000.0, 'period': 'annual', 'currency': 'USD'}

SciTec, Inc.

SciTec, Inc. is a dynamic business with the mission to deliver advanced sensor data processing technologies and scientific instrumentation capabilities in supp…

IT Tier 1 Technician

Boulder

  • Skills: JIRA, Linux, Windows 10, RHEL, Active Directory, cloud computing, network administration, CompTIA, software installation, technical support
  • Type: full_time
  • Salary: {'min': 57000.0, 'max': 70000.0, 'period': 'annual', 'currency': 'USD'}

Trace3

Trace3 is a leading Transformative IT Authority, providing unique technology solutions and consulting services to our clients. Equipped with elite engineering …

Senior Managed Services Engineer

Denver

  • Skills: Windows Server, Active Directory, Linux/Unix Systems, Office 365, AWS, Azure, PowerShell, Ansible, Veeam, SolarWinds
  • Type: full_time
  • Salary: {'min': 78000.0, 'max': 113500.0, 'period': 'annual', 'currency': 'USD'}

ServiceNow

It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today …

Hardware Sustaining Engineering Manager

Denver

  • Skills: hardware design, AI integration, datacenter management, Cloud Service Providers, enterprise server solutions, complex network cabling design, power design, documentation management, troubleshooting, team leadership
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}

Visa

Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial instituti…

Associate Systems Analyst

Highlands Ranch

  • Skills: Authorization, TPF, OVN, Linux, Kubernetes, Kafka, incident management, troubleshooting, documentation, real time operating systems
  • Type: full_time
  • Salary: {'min': 66600.0, 'max': 94150.0, 'period': 'annual', 'currency': 'USD'}

General Dynamics Mission Systems, Inc.

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully…

Senior Site Reliability Engineer

Aurora

  • Skills: Site Reliability Engineering, Linux, System Uptime, Automation, Monitoring, Troubleshooting, Enterprise Services, Security Clearance, Collaboration, Professional Development
  • Type: full_time
  • Salary: {'min': 129706.0, 'max': 140346.0, 'period': 'annual', 'currency': 'USD'}

Visa

Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial instituti…

Infrastructure Engineer

Highlands Ranch

  • Skills: Infrastructure, Automation, Ansible, Docker, Kubernetes, Linux, VMware, Monitoring, ITIL, GPFS
  • Type: full_time
  • Salary: {'min': 79900.0, 'max': 113000.0, 'period': 'annual', 'currency': 'USD'}