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35 senior it systems engineer jobs at 22 companies in Colorado

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Senior Systems Engineer - IT Infrastructure & Applications
Colorado Springs or Huntsville
$170k-$205k/yr OnsiteFull Time
nou Systems
nou Systems: Employee-owned defense engineering firm serving DoD customers with systems engineering, modeling, simulation, testing, and cybersecurity.
12+ YOEMaster's in STEM (or BA/BS+20yrs),12+ years on large DoD programs,active Secret clearance and TS/SCI eligibility,U.S. citizenship,systems engineering and IT modernization experience.
AWS GovCloud, Azure Government, VMware vSphere
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2w
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Sr IT Systems Engineer
Louisville, Colorado, United States
$136k-$187k/yr OnsiteFull Time
Sierra Space
Sierra Space: Commercial space and defense technology.
8+ YOEBachelor's degree or equivalent experience, 8+ years in systems administration, 3+ years with AWS or Azure, infrastructure design, security, project methodologies, networking, automation, and technical leadership.
AWS, Azure, Docker, Kubernetes, Jenkins, Ansible, Puppet, Chef, Microsoft Certified: Azure Solutions Architect Expert
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3w
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IT Corporate Senior Systems Engineer
Austin or Durham or Kansas City or Lakewood or Salt Lake City or Sunnyvale
$136k-$169k/yr OnsiteFull Time
GFiber: An Alphabet delivering Google Fiber and Webpass internet services to homes and businesses across the United States.
8+ YOEBachelor's or equivalent experience,8 years Systems Engineer experience,5 years Google Workspace management,macOS/Windows/ChromeOS device management,Microsoft Intune,Kandji/Iru,networking,EM application lifecycle,Python/PowerShell/GAM scripting.
Google Workspace, Microsoft Intune, Kandji, Iru, Python, PowerShell, GAM, CrowdStrike, CatchPoint, Okta, Entra ID, GCP Cloud CLI, Google Meet
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3w
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Sr IT Systems Engineer - PUB SEC
Colorado, United States
$89k-$118k/yr RemoteFull Time
Lumen Technologies
Lumen TechnologiesNYSE: LUMN: Public telecommunications providing enterprise networking, fiber connectivity, cloud, security, and managed services to organizations.
7+ YOETop Secret/SCI clearance and Security+ (IAT Level 2) required; proficiency in routing/switching, SNMP, network management; on-call and 24x7 shift support; up to 15% travel; hands-on troubleshooting and NOC escalation experience.
SolarWinds, Cisco Identity Services Engine, Cisco Access Control Server, EIQ SecureVue, Neuralstar, SNMP
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IT Systems Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Premier technology integrator for defense, space, and civilian markets.
5+ YOEBachelor's degree and 5+ years' systems engineering experience; US citizenship, active Secret clearance, ability to obtain TS/SCI; experience with cloud (AWS/Microsoft Azure/Google Cloud), virtualization, infrastructure automation, networking/security tools; relevant IT certifications desirable.
AWS, Microsoft Azure, Google Cloud, VMware, Microsoft Hyper-V, Puppet, Ansible, Terraform, Splunk, Tenable
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2w
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Lead IT Systems Engineer - Public Sector
Colorado, United States
$111k-$148k/yr HybridFull Time
Lumen
Lumen: Quebec-based private electrical and automation equipment distributor serving commercial, industrial, institutional, municipal, and residential customers.
5+ YOERequires 5+ years Linux systems engineering, 3+ years Docker or Kubernetes, cloud, and automation experience, Top Secret clearance, US citizenship, troubleshooting skills, travel availability, and hardware installation ability.
Linux, RHEL, Rocky, Docker, Kubernetes, Google Cloud Platform, Amazon Web Services, Ansible, Puppet, Chef
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5d
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Systems Engineer-IT - E2
Littleton, Colorado, United States
$79k-$147k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
Knowledge of IT systems engineering, virtualization, Windows and Linux systems, and server, database, storage, network, and security concepts. Must obtain Top Secret clearance.
Microsoft Windows, Red Hat Linux, Active Directory, DHCP, DNS, Ansible, PowerShell, Bash, DevSecOps
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IT Systems Engineer
Boulder, Colorado, United States
$85k-$110k/yr OnsiteFull Time
Watchmaker Genomics
Watchmaker Genomics: Biotechnology engineering enzymes and reagents for NGS, molecular diagnostics, and genomics research.
5+ YOE5+ years IT systems experience with Associate (required) or Bachelor (preferred). Strong Microsoft cloud (Entra, Azure), Intune, Defender, JAMF, Windows/macOS administration, networking, scripting (PowerShell/Python/Bash), DR and CSV experience.
Microsoft Entra, Microsoft Azure, Microsoft Intune, Microsoft Defender, JAMF, PowerShell, Python, Bash, Active Directory, DNS, DHCP, SIEM, IDS
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Senior IT Systems Administrator
Denver or Austria or Hong Kong or China or Korea or Japan
$95k-$112k/yr HybridFull Time
BOA Technology
BOA Technology: Private American fit-system manufacturer supplying patented micro-adjustable closures to footwear, headwear, workwear, and medical-bracing brands.
5+ YOERequires 5+ years in systems administration or infrastructure engineering, enterprise networking, Microsoft 365, Entra ID, Azure or AWS, cybersecurity, multi-OS environments, and advanced troubleshooting. Bachelor's degree preferred.
Microsoft 365, Microsoft Entra ID, Active Directory, Azure, AWS, Windows Hyper-V, Proxmox, Fortinet, FortiClient VPN, NIST Cybersecurity Framework (CSF), Microsoft Intune, Iru, Microsoft Defender for Endpoint, Veeam, RTO/RPO, SOX, IT Service Desk, Microsoft, Cisco CCNA, CompTIA Security+, AWS Certified Solutions Architect
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6d
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Systems Engineer-IT Sr - E3
Colorado Springs, Colorado, United States
$85k-$158k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
Experience with SATCOM operations and maintenance, inventory control, shipping and receiving, and property management. Requires US citizenship and Secret security clearance.
SATCOM, Milstar, AEHF, SPO, HAZMAT, AI
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2mo
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Senior IT VMware Systems Engineer
New York or Jersey City or Arizona or California or Colorado or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Minnesota or North Carolina or New Jersey or New York or Pennsylvania or Tennessee or Texas or Utah or Virginia
HybridContract
FDM Group
FDM GroupLSE: FDM: Global professional services firm training and deploying consultants.
5+ YOE5+ years designing and supporting large-scale VMware environments (vSphere, NSX-T, vSAN); experience migrating to VMware Cloud Foundation 9; strong automation with PowerCLI, Ansible, Terraform, PowerShell/Python; Aria Operations/VRLI/VRNI experience; W2 employment required; no sponsorship.
VMware Cloud Foundation 9 (VCF 9), vSphere, NSX T, vSAN, Aria Operations, VRLI, VRNI, vRealize Automation (vRA), Ansible, Terraform, PowerCLI, PowerShell, Python, LLM, EMC/Isilon, Pure Storage, NetApp, iSCSI
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3w
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IT Engineer
United States or Denver or San Francisco or Alaska or Arkansas or Delaware or Hawaii or Maine or Mississippi or New Mexico or Oklahoma or South Dakota or Vermont or Wisconsin or Rhode Island
$96k-$125k/yr RemoteFull Time
Virta Health
Virta Health: Private digital healthcare providing nutrition-first virtual care for adults with diabetes, prediabetes, and obesity.
3+ YOE3+ years in systems administration, IT engineering, or senior IT support; expertise in Okta, macOS administration, automation, Zero Trust, and IT security fundamentals.
Okta Workflows, Jamf, macOS, Okta, Single Sign-On (SSO), Privileged Access Management (PAM), Robotic Process Automation (RPA), Zero Trust, SOC2, HIPAA, HITRUST, API keys, Data Loss Prevention (DLP), OpenAI, AWS, Google Gemini
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2w
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IT Engineer II - IAM
Charlotte or Denver or New York City
$77k-$115k/yr HybridFull Time
Judi Health
Judi Health: Privately held health technology providing pharmacy and benefits administration to employers, unions, health plans, and governments.
4+ YOERequires 4–6+ years in IT engineering, systems administration, or IAM; advanced Okta expertise; RBAC, governance, automation, cloud, Office 365, macOS, scripting, project leadership, and mentoring experience.
Okta Identity Cloud, Okta Workflows, Okta Identity Governance, Microsoft Office 365, macOS, AWS, Azure, Google Cloud, Bash, PowerShell, Python, SCIM, SAML, OIDC, OAuth, HRIS, MDM
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3mo
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Senior IT Security Engineer - Mission System Cybersecurity & Compliance
Golden, Colorado, United States
$100k-$120k/yr OnsiteFull Time
Lunar Outpost
Lunar Outpost: Private U.S. space-robotics building lunar rovers and off-world mobility infrastructure for government, commercial, and scientific customers.
4+ YOELead security controls and compliance, develop architecture, manage audits, and align with NIST/ITAR frameworks; experience with government contracting and cloud security.
NIST 800-171, NIST 800-53, FARS/DFARS, ITAR, SSP, POA&M, SCTM, GRC, SIEM, DLP, Cloud security, RMF, ISO
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1w
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Senior Engineer - IT Systems Field Service
Denver, Colorado, United States
$90k-$117k/yr OnsiteFull Time
United Airlines
United AirlinesNASDAQ: UAL: A major U.S. airline providing global passenger and cargo transport.
2+ YOEBachelor's degree in Computer Science or Information Technology, 2+ years of relevant experience, project leadership, strong communication and problem-solving skills, low-voltage and fiber standards knowledge, and willingness to travel.
Local Area Network (LAN), Wide Area Network (WAN), Voice Over IP (VOIP), Closed Circuit Television (CCTV), Audio Visual (A/V), Main Distribution Frame (MDF), Intermediate Distribution Frame (IDF)
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2mo
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Senior IT Cloud Engineer – AI Driven Operations & Platform Engineering
Denver, Colorado, United States
$121k-$159k/yr OnsiteFull Time
Prologis
PrologisNYSE: PLD: Publicly traded logistics real estate REIT owning and managing warehouses and infrastructure for global supply-chain customers.
Experience designing and operating AWS and Azure infrastructure; EC2, Lambda, RDS, S3, DynamoDB, IAM; Terraform or CloudFormation; CI/CD pipelines; Python; identity and endpoint systems (Entra ID, Intune, SAML/OAuth); Git; building AI-assisted workflows.
AWS, EC2, Lambda, RDS, S3, DynamoDB, IAM, AWS WorkSpaces, Azure, Terraform, CloudFormation, Microsoft Azure DevOps, Python, Git, SAML, OAuth, Cognito, Microsoft Entra ID, Microsoft Intune, Bash, PowerShell, OpenAI Agents SDK, LangChain, n8n, MCP, ServiceNow, CI/CD
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1w
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Senior IT Consultant
Boulder or Colorado
$75k-$90k/yr HybridFull Time
Greystone Technology
Greystone Technology: Greystone Technology is a private managed IT provider serving small and midsized businesses with secure, people-centric outsourcing.
4+ YOERequires 4+ years in systems administration, IT management, systems engineering, or equivalent; advanced troubleshooting across Microsoft platforms, networking, cloud, virtualization, security, and backup systems; consulting and mentoring experience.
Microsoft 365, Microsoft Active Directory, Microsoft Windows, TCP/IP, DNS, DHCP, LAN/WAN, VPN, Microsoft Azure, AWS, VMware, Hyper-V, Apple, macOS, iOS
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Senior IT Consultant
Boulder or Colorado
$75k-$90k/yr HybridFull Time
Greystone Technology
Greystone Technology: Greystone Technology is a private managed IT provider serving small and midsized businesses with secure, people-centric outsourcing.
4+ YOERequires 4+ years in systems administration, IT management, systems engineering, or equivalent; advanced troubleshooting, Microsoft platform, networking, cloud, virtualization, security, and client consulting skills.
Microsoft 365, Microsoft Active Directory, Microsoft Windows, TCP/IP, DNS, DHCP, LAN/WAN, Microsoft Azure, AWS, VMware, Hyper-V, macOS, iOS, HSA, 401(k)
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2mo
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IT Cloud Engineer
Niwot, Colorado, United States
HybridFull Time
Particle Measuring Systems
Particle Measuring Systems: Particle Measuring Systems is a private manufacturer of contamination-monitoring equipment and software for pharmaceutical and semiconductor cleanrooms.
8+ YOE8+ years IT systems/cloud engineering experience with extensive Microsoft Azure, on-premise infrastructure, networking, security, automation (PowerShell/Python/Bash), Azure certifications (AZ-104/AZ-105), and ITIL knowledge.
Microsoft Azure, Entra AD, Conditional Access, Microsoft Intune, Microsoft Active Directory Services, Microsoft Windows Server OS, VMware, Microsoft Office 365, Microsoft SharePoint, Microsoft Exchange Online, Microsoft Teams, Microsoft Viva, Microsoft Defender XDR, Cisco, Secure Endpoint, Microsoft Windows Defender, Zscaler, Citrix, Bash, PowerShell, Python, Autodesk, AutoCAD, Poly, Crestron, AMX
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IT Endpoint Engineer
Denver or Petaluma
$100k-$125k/yr HybridFull Time
Spheros Environmental
Spheros Environmental: Private environmental consulting firm serving public and private-sector clients across air, water, ecology, permitting, climate, and data.
8+ YOE8+ years IT support/systems administration with Microsoft 365; experience with Entra, Intune, application packaging; strong documentation and customer-service skills.
Entra, Cloudflare One, Cloudflare WARP, Veeam, VMware vCenter, Windows Server, Azure Files, SentinelOne, Microsoft Intune, PatchMyPC, NinjaOne, PowerShell, Jamf Connect, Apple Business Manager, macOS, Jira, Power Automate, Azure Functions, Entra Lifecycle Management, Microsoft 365, Active Directory
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