703 security engineer jobs at 238 companies in Frederick, CO

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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Security Engineer
Denver, Colorado, United States
$114k-$149k/yr HybridFull Time
DAT Freight & Analytics
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
2+ YOEHands-on security engineering for cloud and DevSecOps: Terraform/CloudFormation, container hardening, CI/CD security, logging/monitoring, NIST/SOC2/CIS frameworks, 2+ years experience preferred.
Terraform, CloudFormation, Docker, Kubernetes, CI/CD, SAST, DAST, SCA, NIST 800-53, SOC 2, CIS Benchmarks, Zero Trust Network Architecture, MITRE ATT&CK
1mo
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Principal Security Engineer
San Francisco or Denver or New York City
$240k-$310k/yr OnsiteFull Time
Candid Health
Candid Health: Automates medical billing and revenue cycle management for healthcare providers.
10+ YOE10+ years security engineering experience; architecting secure systems, threat modeling, infra-as-code, and translating HIPAA/SOC2/PCI/HITRUST into engineering requirements; strong technical leadership and communication.
2mo
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Senior Staff Security Engineer - Network Security
Denver or San Francisco or New York City or San Jose
$210k-$270k/yr HybridFull Time
Gusto
Gusto: Cloud-based payroll and HR software for small businesses.
10+ YOE10+ years in security engineering; Cloudflare WAF/DDoS/Zero Trust; Terraform/Crossplane; AWS networking; incident response; AI-native workflows; security certifications.
Cloudflare, Terraform, Crossplane, AWS, CloudFront, WAF, DDoS, Zero Trust, Panther, Wiz, CrowdStrike, Claude Code, MCP-driven tooling, LLM automations
1w
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Product Security Engineer
Irvine or Newport Beach or Denver or Seattle or San Francisco
$185k-$220k/yr HybridFull Time
Compa
Compa: AI-powered compensation intelligence platform for enterprise teams.
5+ YOE5+ years software engineering experience, application and cloud security reviews, threat modeling, secure SDLC, cloud-native and IAM knowledge, strong systems thinking and communication skills.
AWS, SAML, SCIM, RBAC, CI/CD, IAM, infrastructure-as-code, containers
3mo
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Senior Security Engineer
San Francisco or New York or Boston or Denver
$222k-$278k/yr HybridFull Time
Semgrep
Semgrep: Provides a code security platform for developers and security teams.
7+ YOESenior security engineering with 7+ years of experience; strong cloud security and product security expertise; able to lead security initiatives and collaborate with engineering teams.
AWS, GCP, Security tooling, Cloud security
3mo
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Security Engineer
Cayman Islands or Grand Cayman or Denver or New York City
OnsiteFull Time
Ether.fi
Ether.fi: Decentralized platform for Ethereum staking and crypto banking services.
5+ YOE5–8+ years in software and security engineering; hands-on DevSecOps; CI/CD and cloud security; endpoint security; IAM; strong communicator.
GitHub Actions, CircleCI, AWS, GCP, CrowdStrike, EDR, SAST, DAST, NPM, Dependency management
1mo
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Staff Security Engineer, PSIRT
Atlanta or Boston or Chicago or Denver or Los Angeles or New York City or San Francisco or Austin
$185k-$230k/yr RemoteFull Time
Flock Safety
Flock Safety: Sells AI-powered cameras and software for public safety surveillance.
7+ YOE7+ years security engineering experience with 4+ years running or leading a PSIRT/CVD function; CNA/CVE operational experience, familiarity with CVSS/CWE/EPSS/SSVC and ISO/IEC disclosure/handling standards; strong written communication and ability to obtain CJIS.
FIRST PSIRT Services Framework v1.1, CVE, CNA, ISO/IEC 29147, ISO/IEC 30111, CERT/CC Guide to CVD, CISA Binding Operational Directive 20-01, CVSS v3.1, CVSS v4.0, CWE, EPSS, SSVC, AWS, IAM, EKS, GraphQL, OWASP Top 10, ML/CV
3mo
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Senior Product Security Engineer (Active Clearance)
Fort Collins, Colorado, United States
$144k-$191k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years of experience; bachelor's degree; programming in C/C++, Golang, Rust, or Python; security of firmware, applications, networks, or embedded systems; embedded/Linux development; anti-tamper/reverse engineering awareness; strong communication; eligibility for U.S. TS clearance.
C/C++, Golang, Rust, Python, Linux, Embedded Systems, Firmware, Security Testing, Threat Modeling
3d
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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
1mo
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Security Engineer
Denver, Colorado, United States
$115k-$130k/yr HybridFull Time
Ibotta
IbottaNYSE: IBTA: Provides a cash-back rewards and performance marketing platform.
4+ YOE4+ years in security engineering or application security; proficiency with Python/Go/Java, Docker/Kubernetes, AWS/GCP, Terraform, CI/CD and SAST/DAST/SCA tools; experience with threat modeling, bug bounty programs, and on-call incident response.
Python, Go, Java, Docker, Kubernetes, SAST, DAST, SCA, CI/CD, Terraform, AWS, GCP, OWASP Top 10
1w
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Network Security Engineer
Denver or Washington or Chicago
$98k-$160k/yr OnsiteFull Time
Bank of America
Bank of AmericaNYSE: BAC: Provides global banking, investing, and financial risk management services.
5+ YOE5+ years hands-on BGP experience, NetScout Arbor and DDoS mitigation, cloud network security (Akamai/Cloudflare), WAF experience preferred; strong technical, stakeholder, and testing skills.
BGP, NetScout Arbor, Akamai, Cloudflare, Web Application Firewall (WAF)
1mo
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Staff Security Engineer
New York City or Denver or Dallas or Miami or United States
$169k-$210k/yr RemoteFull Time
Rightway
Rightway: Healthcare navigation and transparent pharmacy benefit management services.
8+ YOE8+ years security engineering experience across application and cloud security, strong AWS security and IaC knowledge, experience in regulated environments (healthcare), ability to read backend code (Ruby, Node.js, Java), and experience with AI/LLM security guidance.
AWS, Terraform, CI/CD, SAML 2.0, OAuth, OIDC, Ruby, Node.js, Java, OWASP Top 10 for LLM Applications, OWASP GenAI Security Project
1mo
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Principal Engineer, Firmware Security
San Jose or Longmont or Folsom
$161k-$318k/yr OnsiteFull Time
Micron Technology
Micron TechnologyNASDAQ: MU: Manufacturer of semiconductor memory and data storage products.
10+ YOEBachelor's degree, 10+ years security firmware experience, applied cryptography and post‑quantum expertise, proficiency in C and Python, experience with SoC/FPGA debugging, and knowledge of storage security standards.
C, Python, Rust, JTAG, FPGA, SoC, Caliptra
1mo
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Principal Systems Security Engineer
Centennial or Plano or Englewood
$165k-$227k/yr OnsiteFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
12+ YOEBachelor's in related field or equivalent experience, 12+ years IT security experience, active Top Secret/SCI clearance, expertise in NIST and ISO 27001, incident response, digital forensics, and mentoring/security architecture leadership.
National Institute of Standards and Technology (NIST), ISO 27001, Linux
2mo
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Senior Security Engineer
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yr HybridFull Time
Karbon
Karbon: Practice management software for accounting firms.
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
DotnetCSharp, JavaScript, React, EmberJS, Python, Azure, AWS, GCP, PowerShell, Bash, GitHub Copilot, Burp Suite
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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Senior Application Security Engineer
Broomfield, Colorado, United States
HybridFull Time
Recurly
Recurly: Automates subscription billing and management for recurring revenue businesses.
Experience developing in multiple languages, DevSecOps collaboration, managing bug bounty programs, integrating AI/ML into security pipelines, using SAST/DAST/SCA tools, Burp Suite, Terraform, Graylog, GCP, and Kubernetes.
Ruby, Go, Rust, JavaScript, Cloud Armor WAF, Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), Software Composition Analysis (SCA), Bug Bounty Programs, Containers, Git, Terraform, Graylog, GCP, Kubernetes, Burp Suite, AI/ML
1mo
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Security Engineer – Cloud Security (AWS)
Denver or Minneapolis
$98k-$139k/yr HybridFull Time
Xcel Energy
Xcel EnergyNASDAQ: XEL: Provides electricity and natural gas services to multi-state customers.
5+ YOE5+ years information security experience with strong hands-on AWS expertise, ability to identify and communicate cloud risk, implement guardrails, automate workflows, and build a cloud security program. AWS Security Specialty certification required.
AWS, GovCloud, Inspector, Security Hub, SAP, APIs, CI/CD, DevSecOps, SOC/IR
3w
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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
2mo
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Security Engineer - Cloud Security Controls
Strongsville or Denver or Phoenix or Cleveland or Birmingham or Dallas
$80k-$185k/yr HybridFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
5+ YOECloud security controls in AWS/Azure, CSPM, CI/CD, scripting, and strong communication.
AWS, Azure, CSPM, CI/CD, Python, PowerShell, Bash, Git