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62 siem engineer jobs at 38 companies in Castle Rock, CO

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Principal Cybersecurity Engineer
Reston or Boulder
$185k-$277k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
10+ YOE2+ Mgmt10+ years in cybersecurity with 2+ years technical leadership, Bachelor's degree, expertise in incident response, SIEM/SOAR, digital forensics, threat hunting, security automation, cloud-native security, scripting, and AI applied to security.
SIEM, SOAR, Agentic AI, Generative AI
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1mo
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Senior Cybersecurity Engineer
Boulder or United States
$180k-$198k/yr HybridFull Time
Campminder
Campminder: Cloud-based management software for the summer camp industry.
5+ YOE5+ years in security engineering/DevSecOps, experience with IAM/SSO (Okta, Auth0, Azure conditional access), CI/CD security (SAST, DAST, SCA), Kubernetes hardening, PCI technical controls, and SIEM/EDR tooling.
Azure conditional access, Okta, Auth0, CI/CD, SAST, DAST, SCA, WAF, Mondoo, SecurityMetrics, EDR, DLP, SIEM/XDR, Kubernetes, KnowBe4, Security Journey
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Engineer - Cybersecurity
Denver, Colorado, United States
$100k-$133k/yr OnsiteFull Time
Frontier Airlines
Frontier AirlinesNasdaq: ULCC: Provides low-fare passenger air transportation services across the Americas.
6+ YOEBachelor's in CS/technology or equivalent, 6+ years cybersecurity engineering experience, 4+ years with EDR, SEGs, vulnerability management and SIEM, cloud (Azure/AWS) security, industry cert (CISSP, Security+, etc.) required or to be attained within 3 months.
DLP, SIEM, SOAR, EDR, SentinelOne, CrowdStrike, Cylance, Mimecast, Proofpoint, Microsoft Office365 Exchange, Nessus, Qualys, Rapid7, Splunk, LogRhythm, Wireshark, NMAP, Azure, AWS, Windows
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Systems Automation Engineer
Colorado Springs or Huntsville
$132k-$220k/yr FieldFull Time
Scientific Research Corporation
Scientific Research Corporation: Provides advanced engineering and technology solutions to government agencies.
5+ YOERequires 5+ years in systems/infrastructure engineering and DevSecOps, AWS and Kubernetes expertise, Ansible, Python, Bash, Terraform, GitLab, security hardening, and eligibility for U.S. citizenship and Top Secret/SCI clearance.
RHEL, RKE2, Kubernetes, AWS GovCloud, EC2, S3, EBS, VPC, IAM, Route 53, Terraform, GitLab EE, Trivy, Grype, Clair, Docker, podman, kaniko, Helm, ArgoCD, Ansible, Python, Bash, Keycloak, OIDC, SAML, CAC, PIV, X.509, Elastic, SIEM, Prometheus, Grafana, Tenable.sc, Nessus, Rancher Federal, OpenShift, EKS, NKP, HashiCorp Vault
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Principal Security Engineer
Englewood or Austin
HybridFull Time
Jeppesen ForeFlight
Jeppesen ForeFlight: Provides integrated software and data solutions for aviation flight planning.
10+ YOE10+ years in security engineering or architecture with 3+ years as a principal/staff-level IC; hands-on with cloud (AWS, Microsoft Azure), IAM, VPC, Okta/Entra ID/Azure AD, EDR/XDR, SIEM, SOAR; knowledge of NIST CSF, ISO 27001, SOC 2; strong communication and risk-to-engineering delivery.
Okta, Microsoft Entra ID, Microsoft Azure AD, AWS, Microsoft Azure, IAM, VPC, EDR, XDR, SIEM, SOAR, NIST CSF, ISO 27001, SOC 2, FAA, EASA, DoD, CMMC
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Senior Cybersecurity Engineer
Princeton or Boulder
$121k-$147k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
6+ YOEBachelor's in a related field, CySa+ (or similar), 6+ years cybersecurity engineering, 2+ years CrowdStrike EDR/NG-SIEM experience, NIST 800-171/CMMC, vulnerability scanning, Linux/Windows/AD/IAM, scripting (Python, PowerShell, Bash), DoD clearance eligible.
CrowdStrike EDR, CrowdStrike NG-SIEM, SIEM, Tenable, NinjaOne, AWS, Azure, Python, PowerShell, Bash, NIST 800-171, CMMC, Active Directory, IAM, DevSecOps
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SecDevOps Engineer
Denver or Brevard County or Littleton
$182k-$254k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's degree,8+ years SecDevOps/DevOps experience,CI/CD security integration,SAST/DAST/SIEM experience,cloud and container proficiency,knowledge of NIST frameworks.
SAST, DAST, SIEM, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Ansible
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Cyber Security Engineer
Plano or San Jose or Irvine or Broomfield
$123k-$197k/yr OnsiteFull Time
Broadcom
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
12+ YOEExpertise in incident response, threat hunting, SIEM integrations and automation; programming with Python and scripting; bachelor's in CS/IT and 12+ years relevant experience.
Python, Google Chronicle, Splunk, Phantom SOAR, CRIBL, Logstash, IBM QRadar, SIEM
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Cybersecurity Engineer III
Colorado Springs, Colorado, United States
$170k-$190k/yr OnsiteFull Time
Trace3
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
4+ YOEBachelor's or equivalent experience, 4+ years in cybersecurity, experience with SIEM/EDR/firewalls/IAM, cloud security (Azure/AWS), scripting (PowerShell/Python/Bash), and ability to obtain Secret clearance.
SIEM, EDR, IDS/IPS, PKI, IAM, Microsoft Azure, AWS, PowerShell, Python, Bash, Oracle 19c, RHEL 9.7
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Sr. Network Engineer
Redwood City or San Diego or Denver
$100k-$140k/yr HybridFull Time
SB Energy
SB Energy: Develops, builds, and operates utility-scale renewable energy infrastructure.
5+ YOEBachelor's degree or equivalent,5+ years network experience (preferably OT energy/data center),Azure networking, Palo Alto/Cisco experience, networking/security certifications, familiarity with NIST/ISA/IEC/NERC frameworks.
Microsoft Azure, Palo Alto Networks, Cisco, Dell Servers, Hyper-V, VMware, Kubernetes, Docker, SIEM, EPMS, BMS, NIST SP 800-82, ISA/IEC 62443, NERC CIP
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Cybersecurity Engineer
Denver or United States
$80k-$120k/yr RemoteFull Time
Apollo Information Systems
Apollo Information Systems: Provides intelligence-led cybersecurity services and managed security programs.
Hands-on experience architecting, implementing, and managing security, network, and cloud technologies; experience with SIEM, EDR/MDR, firewalls/IPS/IDS; cloud platform security (Microsoft Azure, AWS, GCP, Microsoft 365); scripting/automation (PowerShell, Bash, Python).
Apollo Aegis, firewalls, IPS/IDS, SIEM, EDR/MDR, Microsoft 365, Microsoft Azure, AWS, GCP, PowerShell, Bash, Python, Fortinet, Sophos, Palo Alto, Cisco, Stellar Cyber, Splunk, LogRhythm, Elastic, Microsoft Azure Sentinel, Tenable, Sevco, Microsoft Entra ID, Google Workspace, SSO, MFA
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2w
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Cyber Systems Engineer (Level 3 or 4) AHT
Colorado Springs, Colorado, United States
$114k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEActive Top Secret/SCI clearance required, RMF and DISA STIG experience, hands-on vulnerability scanning/remediation (ACAS/Nessus), 5+ years engineering experience (Level 3) or 8+ (Level 4), experience with HBSS/HBSS-like tools and container hardening.
Risk Management Framework (RMF), DISA Host Based Security System (HBSS), DISA Automated Security Compliance Assessment Solution (ACAS), Tenable NESSUS, Fortify, Docker, SIEM, Windows, Red Hat
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2mo
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Cybersecurity Engineer III
Colorado Springs, Colorado, United States
$160k-$180k/yr OnsiteFull Time
The Bison Group
The Bison Group: Provides intelligence and technology services for national security missions.
6+ YOEBachelor's (or +4 yrs experience) and 6+ years relevant experience; DoD 8570 IAT II or IAM II; active TS/SCI with ability to obtain CI poly; experience with SIEM, Splunk, Tenable Nessus, Zeek, ELSA, penetration testing and forensic analysis.
SIEM, Splunk, Tenable Nessus, Zeek, ELSA
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Senior Information Security Engineer
Denver or Austin
$165k-$185k/yr HybridFull Time
Western Union
Western UnionNYSE: WU: Facilitates global money transfers and cross-border digital payments.
7+ YOEBachelor's preferred, 7+ years in technology/information/application security; expert with SIEM/EDR, OWASP/SANS flaws, incident response, forensics, automation, cloud and web/mobile security; available for occasional on-call; US work authorization required.
SIEM, EDR, OWASP, SANS, Web Application Firewalls (WAF), SSL/TLS
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3w
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Customer Engineer, Federal Security, Google Public Sector
Reston or Washington D.C. or Boulder
$152k-$222k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
10+ YOEUS citizen with active Top Secret/SCI clearance with polygraph, Bachelor’s or equivalent, 10+ years cloud security experience, SIEM/CNAPP/network security knowledge, presentation skills, scripting in Python or Bash.
Security Information and Event Management (SIEM), Cloud Native Application Protection Platform (CNAPP), Google Cloud, Python, Bash
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Cloud Network Architect/Engineer - Senior
Colorado Springs, Colorado, United States
$165k-$200k/yr OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: A technology and engineering firm providing cloud and cyber capabilities to government and defense customers.
10+ YOE10+ years designing secure cloud and enterprise network architectures for DoD environments; experience with AWS cloud networking, multi-classification domains, Zero Trust, RMF and DISA STIGs.
AWS Transit Gateway, Virtual Private Cloud (VPC), Direct Connect, VPN, software-defined networking (SDN), SIEM, Platform One, Space CAMP, DevSecOps, Infrastructure as Code (IaC)
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Cloud Network Architect/Engineer - Senior
Colorado Springs, Colorado, United States
$165k-$200k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
10+ YOE10+ years designing enterprise cloud network architectures for DoD environments; experience with AWS, Zero Trust, Cross Domain Solutions, RMF/NIST/STIGs; Top Secret/SCI required.
AWS, AWS Transit Gateway, Virtual Private Cloud (VPC), Direct Connect, VPN, software-defined networking (SDN), SIEM, Platform One, Space CAMP, Platform-as-a-Service (PaaS), Infrastructure as Code (IaC)
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1mo
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Security Engineer
Kansas City or Atlanta or Clayton or New York or Los Angeles or Birmingham or Boston or Chattanooga or Charleston or Dallas or Denver or Edwardsville or Fort Lauderdale or Fort Worth or Houston or Jefferson City or Miami or Nashville or Park City or Philadelphia or Phoenix or Raleigh or Seattle or San Francisco or Salt Lake City or Wilmington or Washington
$120k-$150k/yr RemoteFull Time
Polsinelli
Polsinelli: Am Law 100 law firm providing comprehensive legal services.
2+ YOE2-4 years security engineering experience in on-premises environments, Bachelor's in CS/CE/IS or equivalent, experience with metrics/events/logging, detection engineering, scripting (Python, PowerShell), Microsoft Active Directory and Azure.
Splunk, Microsoft Active Directory, Azure, SIEM, Python, PowerShell, Microsoft Teams, Zoom, MITRE ATT&CK Framework, NIST Cyber Security Framework, CIS Controls
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Detection Engineer
Colorado Springs, Colorado, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOERequires 5+ years of cybersecurity engineering experience, TS/SCI clearance, and either a high school diploma/GED plus 5+ years of SOC detection engineering experience or a bachelor's degree plus 2+ years.
Security Onion, Trellix, Microsoft Defender, Big Data Platform, Intune, SIEM, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, MITRE ATT&CK, NIST, Cyber Kill Chain
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4d
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Detection Engineer
Colorado Springs, Colorado, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years of cybersecurity engineering experience, TS/SCI clearance, and either a high school diploma/GED plus 5+ years of SOC detection engineering or a bachelor's degree plus 2+ years. DoD 8140 certifications required.
Security Onion, Trellix, Microsoft Defender, Intune, Big Data Platform, SIEM, MITRE ATT&CK, NIST, Cyber Kill Chain, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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