43 siem engineer jobs at 34 companies in Firestone, CO

1d
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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
1mo
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Cyber Security Engineer Technical Lead
Littleton, Colorado, United States
$124k-$218k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
TS/SCI clearance and US citizenship required; DoD 8570 IAM/IAT II certifications; experience in satellite and ground operations, RMF/ATO processes, SOC operations, vulnerability scanning/EVSS, DoD cybersecurity standards, SIEM, RHEL/Windows, and incident response.
NetBrain, Zenoss, Hewlett Packard Network Automation (HPNA), eMASS, HBSS, ACAS, SCAP Compliance Checker (SCC), DISA STIGs, EVSS, RHEL, Windows Server, SIEM, LogRhythm, Splunk, Jira, Confluence
2w
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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
1d
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Senior Cybersecurity Engineer
Boulder, Colorado, United States
$120k-$155k/yr OnsiteFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
5+ YOEBachelor's in cybersecurity/computer science/engineering,5+ years IT/DevOps experience,2+ years cybersecurity,experience with NIST 800-53/171,Okta,HashiCorp Vault,SIEM,Python/Bash,PKI,Kali and penetration testing.
NIST SP 800-53, NIST SP 800-171, Okta, HashiCorp Vault, Python, Bash, macOS, Windows, Ubuntu, SIEM, Kali Linux, PKI
1mo
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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
1mo
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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
1w
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IT Engineer - Network & Security
Naperville or Denver
$120k-$130k/yr HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
3+ YOE3+ years in network/security or infrastructure engineering; SASE/firewall and cloud experience; EDR/SIEM/ITSM familiarity; ability to lift 30 lbs; occasional travel and rotating on-call duties.
SASE, Fortinet, Palo Alto, Netskope, Zscaler, EDR, SIEM, ITSM, Windows Server
1w
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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
1mo
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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
1mo
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Senior Adversary Pursuit Engineer
Atlanta or Boston or Chicago or Denver or Los Angeles or New York City or San Francisco or Austin or United States
$140k-$175k/yr RemoteFull Time
Flock Safety
Flock Safety: Sells AI-powered cameras and software for public safety surveillance.
5+ YOE5+ years cybersecurity experience (≥3 years DFIR/threat hunting), DFIR on diverse environments including Android IoT, cloud (AWS/GCP/Azure), SIEM/EDR expertise, detection engineering (Splunk SPL, YARA, Sigma), automation (Torq, Tines), MITRE ATT&CK mapping, and mentoring skills.
AWS, GCP, Azure, Android, SIEM, EDR, Torq, Tines, LLMs, Splunk SPL, YARA, Sigma, MITRE ATT&CK
6d
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Cyber Security Automation Engineer
Fairmont or Boulder
$64k-$106k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
0+ YOEDevelop automation and tools for SOC workflows; proficiency in at least one major programming language; experience with Linux, Git, CI/CD; US citizenship and active Secret clearance required.
Python, Java, JavaScript, REST APIs, SIEM, SOAR, Linux/Unix, Git, CI/CD
5d
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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
2w
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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
3mo
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Sales Engineer, Enterprise
Los Angeles or Denver or San Francisco
$195k-$300k/yr RemoteFull Time
Fortinet
FortinetNASDAQ: FTNT: Develops and sells cybersecurity software and network security appliances.
5+ YOE5–8 years pre-sales or systems engineering in enterprise cybersecurity, networking, or cloud; strong networking and security knowledge; ability to design and present secure architectures; executive-facing communication.
SIEM, SOAR, XDR, MFA, SSO, PAM
1mo
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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
Aprio
Aprio: Provides business advisory, accounting, and tax services globally.
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
3mo
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Security Engineer III
New York City or Denver or Leeds or Dublin
$147k-$194k/yr RemoteFull Time
Fanatics
Fanatics: Global digital sports platform for merchandise, collectibles, and betting.
5+ YOE5+ years security engineering experience; strong incident response, threat hunting, cloud (AWS) security, SOAR automation, identity protocols (OAuth, SAML, OpenID Connect); scripting with Python/Bash; experience with Cloudflare, Datadog, Wiz, Tines preferred.
Security Orchestration, Automation and Response (SOAR), Cloudflare, Datadog, Wiz, Tines, SIEM, AWS, Terraform, Ansible, Python, Bash, OAuth, SAML, OpenID Connect
1mo
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Mission Security Engineer
Denver or Long Beach
$115k-$180k/yr OnsiteFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
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
1w
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Intermediate Cyber Security Engineer
Cedar Rapids or Denver or Philadelphia
$70k-$84k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
1+ YOE1+ years cyber security engineering experience; knowledge of application security, vulnerability management, SDLC, and security frameworks; bachelor’s in related field or equivalent; certifications desirable (OSCP,CISSP,CEH,Security+/CySA/CASP).
NIST CSF, SIEM, Rapid7, ServiceNow Vulnerability Response (VR), Synk, CrowdStrike, ServiceNow, JIRA
2mo
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Sr. Security Engineer/Architect
Denver, Colorado, United States
$170k-$200k/yr OnsiteFull Time
Brownstein Hyatt Farber Schreck
Brownstein Hyatt Farber Schreck: Full-service law and government relations firm.
10+ YOE10+ years in information security with senior hands-on experience in security architecture, detection engineering, incident response; deep Microsoft security stack mastery, KQL, PowerShell and Python, relevant certifications (CISSP, GCIH, OSCP, etc.).
Microsoft Entra ID, Conditional Access, Microsoft Azure, Microsoft Defender, Microsoft Defender XDR Advanced Hunting, Microsoft 365, Microsoft Sentinel, Microsoft Purview, Microsoft Secure Score, KQL, Logic Apps, PowerShell, Python, SIEM, UEBA, MITRE ATT&CK
2w
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Cloud Security Engineer (Remote Eligible)
Denver, Colorado, United States
$140k-$200k/yr RemoteFull Time
Ardent Mills
Ardent Mills: Supplies flour and grain-based ingredients to the food industry.
4+ YOE4+ years cloud security engineering experience securing Azure/hybrid environments; strong IAM, networking, encryption, cloud-native security tooling; scripting and IaC experience; relevant cloud security certifications preferred.
Microsoft Azure, Microsoft Defender for Cloud, Microsoft Sentinel, Defender XDR, Azure Monitor, Key Vault, KMS, Cloud KMS, SIEM, XDR, Python, Bash, PowerShell, Terraform, Bicep, ARM, AKS, ACI, Container Apps, Azure Functions, Logic Apps

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