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1,146 sci jobs at 108 companies in Loveland, CO

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TS/SCI Armed Security Officer
Westminster, Colorado, United States
OnsiteFull Time, Part Time
Falken Industries
Falken Industries: Provides specialized security and technical surveillance for secure facilities.
Must possess active Top Secret/SCI clearance, no felony history, valid driver's license, state armed security licensure, firearms proficiency, fluent English, pass extensive background check.
CCTV, Access Control System
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1mo
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TS/SCI-Cleared Software Engineer
Aurora, Colorado, United States
$200k/yr OnsiteFull Time
MKS2 Technologies
MKS2 Technologies: Delivers cybersecurity and IT solutions to government agencies.
8+ YOERequires active transferable Top Secret/TS-SCI clearance, U.S. citizenship, BS in STEM and ~8 years software engineering experience; strong Java and C++ skills, Red Hat 8 and Windows 2019 experience, EM/DevSecOps and AWS familiarity.
Java, C++, Red Hat 8 Linux, Microsoft Windows 2019, AWS, Docker, Kubernetes, Helm, Python, ActiveMQ, WineHQ
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1mo
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VDI Engineer - TS/SCI with Polygraph
Sterling or Colorado Springs or MacDill AFB or Annapolis Junction or Aurora or Tampa or Miami or Omaha or Norfolk or Quantico
$145k-$196k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
10+ YOEActive TS/SCI with polygraph, DoD 8570 IAT II compliance, Bachelor’s or equivalent, minimum 10 years VDI experience, Citrix and Azure Virtual Desktop expertise, PowerShell/Python scripting.
Citrix XenApp, Citrix XenDesktop, Citrix ADC (NetScaler), App Layering, Provisioning, Virtual Apps/Desktops, Microsoft Azure Virtual Desktop, PowerShell, Python, SQL Clustering Failover, Windows Server 2019, Windows Server 2022, Windows 10, Windows 11
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1mo
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VDI Engineer - TS/SCI with Polygraph
Sterling or Colorado Springs or Aurora or Annapolis Junction or Tampa or Miami or Omaha or Norfolk or Quantico
$145k-$196k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
12+ YOEActive TS/SCI with polygraph, DoD 8570 IAT Level II compliance, 12+ years virtualization/VDI experience, bachelor’s or equivalent, hands-on Citrix and Azure Virtual Desktop, scripting with PowerShell/Python.
Citrix XenApp, Citrix XenDesktop, Citrix ADC (NetScaler), Provisioning, Virtual Apps/Desktops, Azure Virtual Desktop, PowerShell, Python, Windows Server 2019, Windows Server 2022, Windows 10, Windows 11, SQL Clustering Failover
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1mo
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Cleared Escort | TS/SCI FS-Poly
Aurora, Colorado, United States
$50/hr OnsiteFull Time
IDS International
IDS International: Global training, logistics, and security for government agencies.
Active TS/SCI with Full Scope Poly required, U.S. citizenship required, ability to escort/monitor personnel, maintain situational awareness, follow security procedures, communicate with stakeholders, and perform physical tasks.
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3w
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Custodian (TS/SCI with Poly Clearance Required)
Aurora, Colorado, United States
$43k-$66k/yr OnsiteFull Time
Fluor
FluorNYSE: FLR: Global engineering, procurement, construction, and project management services provider.
1+ YOEActive TS/SCI with polygraph required or ability to obtain; ~1 year related experience; basic computer skills; effective communication and attention to detail.
Microsoft Word, Microsoft Excel
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Custodian (TS/SCI with Poly Clearance Required)
Aurora, Colorado, United States
$43k-$66k/yr OnsiteFull Time
Fluor Corporation
Fluor CorporationNYSE: FLR: Provides global engineering, procurement, construction, and project management services.
1+ YOEAbility to perform custodial cleaning duties, 1 year combined education/experience, basic computer and communication skills, and ability to obtain/maintain TS/SCI with polygraph clearance.
Microsoft Word, Microsoft Excel, email, Internet
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2d
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Entry Level Intelligence Analyst – TS/SCI CI Poly
Aurora, Colorado, United States
$75k-$90k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
4+ YOESTEM bachelor's degree or military experience preferred, or no degree with 4+ years of relevant experience. Requires TS/SCI with CI Poly clearance and U.S. citizenship.
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2mo
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DevSecOps Engineer - Mid (TS/SCI with CI Poly Required)
Aurora, Colorado, United States
$150k-$190k/yr OnsiteFull Time
DeNOVO Solutions
DeNOVO Solutions: Provides defense and intelligence technology, software engineering, and cybersecurity services.
5+ YOEFive to ten years in DevSecOps with CI/CD pipelines, security tooling, cloud, and government clearance TS/SCI with poly.
Git, GitLab, Jenkins, Kubernetes, Rancher, Ansible, Puppet, Docker, Podman, OpenStack, AWS, Azure, GCP, IBM Cloud, RHEL/CentOS, Rocky, Debian/Ubuntu, Fedora, Zero Trust, SBOM, JIRA, Confluence, MS Project
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2mo
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Atlassian Application Architect & Administrator III (TS/SCI Clearance Required)
Louisville or Centennial
$106k-$146k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
5+ YOEBachelor's degree or equivalent; typically 5+ years experience; active TS/SCI clearance; IT systems, CI/CD, Atlassian tools.
Jira, Confluence, Bitbucket, Jenkins, GitLab CI, AWS, Azure, MySQL, PostgreSQL, Prometheus, Grafana
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2d
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Staff Linux System Administrator, TS/SCI / Onsite: CO
Littleton or Denver or Bethesda
$118k-$219k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
5+ YOERequires active TS/SCI clearance, U.S. citizenship, DoD 8572 certification, 5+ years administering Red Hat Enterprise Linux, scripting, security hardening, troubleshooting, and vulnerability remediation experience.
Red Hat Enterprise Linux, Ansible, Python, Bash, PowerShell, DISA STIGs, Nessus, Trellix, Splunk, ACAS, SCAP, NetApp
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1mo
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Systems Architect – MBSE (Cameo, DoDAF, SysML) | TS/SCI
Warrenton or Washington D.C. or Irvine or Denver or Indianapolis or Grand Rapids or Lexington or Los Angeles or Louisville or Texas or San Francisco
$125k-$145k/yr OnsiteFull Time
Trace3
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
3+ YOE3+ years enterprise architecture/MBSE experience with Cameo, DoDAF, SysML; strong technical, analytical, project management, and communication skills; active Top Secret/SCI clearance required; technical BA/BS preferred.
Cameo, Cameo Enterprise Architect, Cameo EA, DoDAF, MODAF, UPDM, SysML, UML, Rational Rhapsody, Sparx Enterprise Architect, MATLAB, STK, AFSIM, Simulink, Model Center, UAF, MBSE
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2w
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System Administrator- Must have TS/SCI Poly clearance
Aurora, Colorado, United States
$69k-$131k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
2+ YOEActive transferable TS/SCI with CI poly, DoD 8570 IAT Level 2 cert, bachelor\u0002s and ~2 years experience, Linux RedHat and Microsoft Windows experience, virtualization/cloud (Citrix, VMware, AWS), 24x7 operations support.
Linux RedHat, Microsoft Windows, Citrix, VMware, Amazon Web Services (AWS), Cloudera, Oracle, Dell/EMC, Isilon/PowerScale, NetApp
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2w
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Infoblox Systems Engineer - Active TS/SCI with CI Poly
Aurora, Colorado, United States
OnsiteFull Time
ENS Solutions
ENS Solutions: Provides cybersecurity and identity management solutions to government agencies.
12+ YOECDCA certification, Bachelor's in IT or 12+ years' IT experience, extensive DNS/DHCP/IPAM experience, Python and API experience, ability to troubleshoot complex systems, Active TS/SCI and willingness to obtain CI Poly.
Infoblox, DNS, DHCP, IPAM, BIND, NTP, Python, APIs
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2mo
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Security Engineer II, DCO Engineer (TS/SCI, Onsite)
Aurora, Colorado, United States
$89k-$148k/yr OnsiteFull Time
Deloitte
Deloitte: Provides professional audit, consulting, advisory, and tax services.
5+ YOEBachelor's degree, active TS/SCI clearance, legally authorized to work in the US without sponsorship, 5+ years technical cyber-defense experience across at least two areas (containers/virtualization, Gigamon, data storage/analysis toolsets, Linux/Windows, network infrastructure, security applications).
Docker, Kubernetes, VMware, AWS, Gigamon, NFS, Ceph, Elastic Search, Logstash, Kibana, Splunk, Red Hat, Kali, Windows, SOAR, SIEM, IDS
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3w
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Operational GEOINT Analyst - Imagery / OPIR (TS/SCI with CI poly)
Aurora, Colorado, United States
$85k-$95k/yr OnsiteFull Time
Xcellent Technology Solutions
Xcellent Technology Solutions: Provides geospatial intelligence and IT services to federal agencies.
2+ YOEActive TS/SCI with CI poly, Bachelor's+2yrs or equivalent, 24/7 operational availability, GEOINT tool proficiency (SoftCopy Keys, ArcGIS, RemoteView, SOCET GXP).
SoftCopy Keys, ArcGIS, RemoteView, SOCET GXP
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3d
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Senior AI Software Engineer-TS/SCI clearances (CI poly preferred)
Herndon or Denver or St. Louis
$155k-$200k/yr OnsiteFull Time
Credence
Credence: Provides technology and management solutions to federal government agencies.
7+ YOETS/SCI clearance required; bachelor's or master's in computer science, AI/ML, or related field; 7+ years software engineering experience; production AI/ML, generative AI, LLM, TypeScript, and Python experience.
Agent2Agent Protocol, Bedrock Agents, Mastra, CrewAI, Strands, AgentCore, LangChain, LangGraph, OpenAI, Anthropic, Gemini, Amazon Bedrock, Google Vertex AI, TypeScript, Nx, Next.js, Vercel AI SDK, Playwright, Jest, Vite, Python, uv, Pydantic, FastAPI, Unstructured, GitLab CI, VS Code, Cline, Claude Code, Terraform, Open Tofu, AWS CDK, CloudFormation, Infrastructure as Code (IaC), CI/CD
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2mo
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Software Developer (TS/SCI CI Poly) (5303) (Chantilly, VA; Herndon, VA; Aurora, CO)
Chantilly or Herndon or Aurora
$111k-$185k/yr OnsiteFull Time
SMX
SMX: Providing cloud, cybersecurity, and mission-focused technology solutions to government.
Security+ certification; TS/SCI CI Poly clearance; on-site in Chantilly, Herndon, or Aurora; Java, SpringBoot; Docker, Kubernetes; Git; AWS is a plus.
Java, SpringBoot, Docker, Kubernetes, Gitlab, Gitlab Runner, OpenAPI, Swagger, Gradle, Kafka, MongoDB, ActiveMQ, NiFi, AWS
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SYSTEM ADMINISTRATOR – Linux - 15+ yrs of exp - TS/SCI w/Poly clearance is required- RC - 310
Aurora, Colorado, United States
$202k-$214k/yr OnsiteFull Time
Halogen Engineering Group
Halogen Engineering Group: Provides specialized engineering, cybersecurity, and program management services.
15+ YOERequires 15 years of system administration experience and a technical bachelor's degree, with five additional years of experience substituting for the degree. Current TS/SCI clearance and polygraph required.
Linux, UNIX, Windows, Cisco, Service Oriented Architecture (SOA)
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Personnel Security Manager I
Westminster or Broomfield or United States
$119k-$202k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
8+ YOEBachelor’s degree and 8+ years of related experience or equivalent; active TS/SCI clearance, ability to obtain TS/SCI polygraph, SAP/SCI experience, team leadership, and DOD security knowledge.
DISS, JADE, Scattered Castles
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