2,862 security engineer jobs at 785 companies in Dahlgren, VA
21h
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Security Engineer
Bellevue or Menlo Park or Washington or New York City
$271k-$347k/yr OnsiteFull Time
15+ YOE15+ years managing security risk; experience with distributed systems, access control, encryption, intrusion detection, system design, threat modeling, engineered controls, and communicating technical risk to senior leadership.
3w
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Security Engineer, Detection
Reston, Virginia, United States
$123k-$175k/yr OnsiteFull Time
1+ YOE1+ year experience in security assessments or design reviews, 1+ year coding experience, experience with security engineering and protocols, and expertise in threat detection and analysis.
Google Cloud Platform (GCP), GKE, Cloud IAM, Vulnerability Reward Program (VRP)
4w
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Staff Security Engineer, Application Security
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Washington or Wisconsin
$210k-$260k/yr HybridFull Time
7+ YOE7+ years in application/product/security engineering; hands-on threat modeling, vulnerability management, secure design, CI/CD integration, automation using Python/Go; experience with cloud-native AWS/GCP environments.
AWS, GCP, Python, Go, SAST, SCA, DAST, CI/CD, AI/LLMs
2mo
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Security Engineer – Lead (R-00161)
Arlington or Washington or United States
OnsiteFull Time
True Zero Technologies: A veteran-owned small business delivering security and technology services.
Senior security engineer with RMF/FISMA experience, capable of translating security requirements into technical designs and leading security engineering in enterprise and classified environments.
Splunk Enterprise Security, MITRE ATT&CK, RMF, FISMA
1w
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Security Engineer, Federal
Reston or Rockville
$150k-$175k/yr RemoteFull Time
5+ YOE5+ years engineering/pre-sales experience, strong analytical and presentation skills, ability to design end-to-end security solutions, relevant certifications preferred, eligible to work in the US without sponsorship.
1w
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Security Engineer, Public Sector
New York City or St. Louis or Washington
$164k-$342k/yr OnsiteFull Time
5+ YOETop Secret clearance required; 5+ years in detection engineering/incident response/security ops preferred; production-grade coding in Python/NodeJS/TypeScript; experience with detection pipelines, SIEM/EDR/SOAR, cloud security telemetry, and digital forensics.
NodeJS, TypeScript, Python, Kubernetes, SIEM, EDR, SOAR, AWS, GCP, Azure
3w
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Staff Cloud Security Engineer
Lexington or North Bethesda or Waltham
$180k-$200k/yr HybridFull Time
8+ YOE8+ years cloud/security engineering experience, hands-on AWS and Kubernetes security, CrowdStrike/CSPM experience, Terraform/OpenTofu IaC security, Python/shell automation, US citizenship or permanent residency required.
CrowdStrike Falcon, Wiz, Prisma Cloud, Orca, AWS, GCP, Azure, Terraform, OpenTofu, CloudFormation, Python, Shell, Kubernetes, Istio, Linkerd, CloudTrail, IAM, VPC, SQL
2d
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Journeyman Systems Security Engineer (Security Engineering, Analyst)
Lexington Park, Maryland, United States
$70k-$104k/yr OnsiteFull Time
3+ YOE3+ years systems engineering experience including systems security engineering for weapon systems; BA/BS in engineering/math/physics; Top-Secret clearance (ability to obtain/maintain TS/SCI); Bachelors required.
3w
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Undersea Systems Security Engineer
Manassas, Virginia, United States
$69k-$158k/yr OnsiteFull Time
5+ YOE5+ years systems security/cybersecurity experience, Secret clearance, Bachelor’s in computer science/engineering or technical field, DoD IAT Level II, knowledge of networking and DoD/Navy security practices.
TCP, IP, DHCP, DNS, RMF, Zero Trust
2w
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Security Engineer, Infrastructure Application Security
Herndon, Virginia, United States
OnsiteFull Time
Bachelor's in engineering/CS, knowledge of system vulnerabilities and remediation, experience with web protocols and threat modeling, coding/scripting experience, penetration testing knowledge.
AWS, Python, Perl, Bash, PowerShell, HTTP, DNS, TCP/IP
5d
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Security Engineer (Multiple Levels)
United States or Oklahoma City or Atlantic City or Washington
$71k-$240k/yr RemoteFull Time
10+ YOEExperience in information systems security, knowledge of FAA/federal requirements, familiarity with NIST 800-53, security documentation (SSP, POA&M), and strong communication and collaboration skills.
NIST 800-53, SCAP
1mo
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Application Security Engineer
Washington, District of Columbia, United States
$180k-$200k/yr RemoteFull Time
4+ YOE4+ years in application security or secure development, strong cryptography and web security knowledge, experience with Node.js and Go, SAST/DAST/IAST/SCA tooling, vulnerability programs (bug bounty, pentest), and familiarity with cloud infra (GCP/AWS) and Kubernetes preferred.
Node.js, Go, Trusted Data Format (TDF), SAST, DAST, IAST, SCA, Burp, ZAP, Qualys, Nessus, GCP, AWS, Kubernetes, Slack, Zoom
2mo
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Forward Deployed Security Engineer
Washington, District of Columbia, United States
$293k-$385k/yr HybridFull Time
5+ YOEActive US security clearance; 5+ years in security engineering; cloud platforms (Azure, AWS); Kubernetes, Terraform; Python or Go; proven track record in secure, scalable infrastructure.
Python, Golang, Kubernetes, Terraform, Azure, AWS
2mo
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Senior Security Engineer
Bethesda, Maryland, United States
OnsiteFull Time
5+ YOE5+ years information security experience, including 3+ years cloud security; BA/BS in CS/IT or related field (or equivalent experience); strong communication and cross‑functional collaboration.
Tenable Security Center, Nessus, Splunk, Python, AWS, Azure
1mo
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Security Engineer
Washington or Alexandria
HybridFull Time
6+ YOEBachelor's in cybersecurity/IT, 6+ years experience in system security engineering and configuration management, hands-on experience with Splunk, Crowdstrike, Tenable/Nessus, Qualys, Burpsuite, and security monitoring; Security+ required; CISSP preferred; Public Trust clearance required.
Tenable SC/IO, Nessus, Qualys, Burpsuite, Crowdstrike, Splunk, McAfee (NSM), CSAM, Microsoft Excel, Microsoft Office, Linux, Windows, Oracle, SQL, AWS, Azure, GCP
2mo
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Application Security Engineer 3
Arlington, Virginia, United States
OnsiteFull Time
5+ YOELead application security engineering, design scalable security architectures, perform risk assessments, integrate security across the SDLC, and drive automation.
Python, Java, JavaScript, SAST, DAST, SCA, IaC, Container, Cloud Security, Kubernetes, DevSecOps
1mo
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Senior Platform Engineer - Security
Washington or Sarasota or Miami or New York City or Toronto or Longboat Key
$165k-$205k/yr OnsiteFull Time
Strong Linux systems engineering and security hardening experience; vulnerability management, OpenStack/Ceph/Kubernetes familiarity; automation with Ansible/Terraform and scripting in Bash or Python; audit and compliance experience.
CIS Benchmarks, STIGs, OpenStack, Nova, Neutron, Keystone, Cinder, Ceph, Kubernetes, CIS Kubernetes Benchmarks, Ansible, Terraform, Bash, Python, SELinux, AppArmor, auditd, PAM, SIEM, EDR, Elastic, Splunk, Wazuh, Falco, Vault, LUKS/dm-crypt, CVSS, ISO 27001, SOC 2, PCI DSS, FedRAMP, Pod Security Standards
3w
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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
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
2mo
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Sr. Security Engineer
Arlington or Richmond
HybridFull Time
5+ YOE5+ years in information security or security engineering; bachelor's degree; certifications; AWS networking experience; NGFW/WAF; scripting; SaaS security.
AWS networking, NACLs, Security Groups, ALB, NLB, Transit Gateway, Network Firewall, NGFW, WAF, CASB, SSE tooling, Python, PowerShell
1mo
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Staff Security Engineer, Customer Support and Integrity
United States or Washington
$194k-$285k/yr RemoteFull Time
8+ YOE8+ years security engineering experience; proven experience securing support/sales and third‑party support organizations; strong architecture and code-review skills; scripting (Python, Java), Terraform, IAM, GCP and AWS experience.
Python, Java, Golang, Terraform, Okta, GoogleWorkspace, Google Chrome Enterprise Premium, GCP, AWS
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