62 siem engineer jobs at 39 companies in Castle Pines, CO
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Staff Network Engineer
Broomfield, Colorado, United States
$112k-$168k/yr HybridFull Time
8+ YOEBachelor’s degree or equivalent and 8+ years of network engineering experience, including OT/ICS security architecture, NERC CIP, IEC 62443, firewalls, SIEM/IDS, scripting, vendor evaluations, and technical leadership.
PowerTrack, Palo Alto, Moxa, SIEM, Syslog, Synology NAS, DNP3, Modbus, IEC 61850, IEC 60870, OPC UA, WSUS, Inductive Automation Ignition, SQL, InfluxDB, Python, PowerShell
3w
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Principal Cybersecurity Engineer
Reston or Boulder
$185k-$277k/yr HybridFull Time
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
1mo
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Senior Cybersecurity Engineer
Boulder or United States
$180k-$198k/yr HybridFull Time
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
1mo
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Engineer - Cybersecurity
Denver, Colorado, United States
$100k-$133k/yr OnsiteFull Time
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
1mo
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Principal Security Engineer
Englewood or Austin
HybridFull Time
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
2mo
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Senior Cybersecurity Engineer
Princeton or Boulder
$121k-$147k/yr OnsiteFull Time
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
2w
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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
1mo
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Cyber Security Engineer
Plano or San Jose or Irvine or Broomfield
$123k-$197k/yr OnsiteFull Time
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
1mo
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Cybersecurity Engineer III
Colorado Springs, Colorado, United States
$170k-$190k/yr OnsiteFull Time
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
3w
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Sr. Network Engineer
Redwood City or San Diego or Denver
$100k-$140k/yr HybridFull Time
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
1mo
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Cybersecurity Engineer
Denver or United States
$80k-$120k/yr RemoteFull Time
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
1w
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Cyber Systems Engineer – Level 2 or Level 3 (AHT)
Colorado Springs, Colorado, United States
$92k-$171k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2–5 years of relevant experience depending on level, active Secret clearance, DoD 8570.01M IAT II certification, and cybersecurity or security engineering experience.
STIG Viewer, SCAP, Evaluate-STIG, STIG Manager, eMASS, Assured Compliance Assessment Solution (ACAS), Nessus, tenable.sc, Linux, SIEM, RHEL, SCC, Xylok, Ansible, Python, Scrum, Kanban, SAFe, Jira, Atlassian, VMWare, Elastic Stack
1mo
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Senior Information Security Engineer
Denver or Austin
$165k-$185k/yr HybridFull Time
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
4w
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Customer Engineer, Federal Security, Google Public Sector
Reston or Washington D.C. or Boulder
$152k-$222k/yr OnsiteFull Time
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
1mo
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Cloud Network Architect/Engineer - Senior
Colorado Springs, Colorado, United States
$165k-$200k/yr OnsiteFull Time
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)
1mo
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Cloud Network Architect/Engineer - Senior
Colorado Springs, Colorado, United States
$165k-$200k/yr OnsiteFull Time
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)
1w
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Detection Engineer
Colorado Springs, Colorado, United States
$69k-$158k/yr OnsiteFull Time
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
1w
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Detection Engineer
Colorado Springs, Colorado, United States
$69k-$158k/yr OnsiteFull Time
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
2mo
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Senior Cybersecurity Engineer
Atlanta or Hackensack or Washington or Austin or Boston or Charlotte or Dallas or Denver or New York or Philadelphia or Chicago or Rockville
$100k-$125k/yr RemoteFull Time
5+ YOE5+ years security engineering experience with hands-on responsibility for identity, network, cloud, endpoint, and monitoring controls; experience with Azure/AWS/GCP; ability to produce architecture docs and runbooks; mentoring and cross-team leadership; U.S. person required for CUI.
Terraform, Bicep, Pulumi, Sentinel, Open Policy Agent (OPA), SIEM, EDR, Azure, AWS, GCP, IAM, IaC
2mo
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Mission Security Engineer
Denver or Long Beach
$115k-$180k/yr OnsiteFull Time
3+ YOE3–5 years in technical IT/security engineering; TS/SCI with poly; DoD 8140 IAT II; RMF/NIST 800-53 knowledge; experience with STIGs, cloud, DevSecOps
RMF, NIST 800-53, DISA STIG, DevSecOps, Kubernetes, EKS, AKS, AWS, Azure, SIEM, EDR, SCA, IaC, CI/CD, Zero Trust
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