1mo
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Corporate Security Engineer
Washington, District of Columbia, United States
$120k-$180k/yr OnsiteFull Time
Bachelor's in CS/Engineering, prior professional experience in corporate security/IT security operations, identity and endpoint administration, scripting (Python/Bash/PowerShell), REST API and Git proficiency, networking fundamentals, and SOC 2/compliance familiarity preferred.
SSO, MFA, SCIM, MDM, EDR, SIEM, VPN, REST APIs, Python, Bash, PowerShell, Git, Google Workspace, JumpCloud, Okta, Cloudflare, Tailscale, Jamf, Kandji, Intune, CrowdStrike, SentinelOne, Datadog, AWS
3w
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Senior Security Engineer
Reston, Virginia, United States
$105k-$125k/yr OnsiteFull Time
5+ YOE5+ years designing, implementing, and operating enterprise security tools; experience with incident response, vulnerability management, cloud and Microsoft 365 security; strong documentation and communication skills.
Microsoft 365, Microsoft Azure, SIEM
2mo
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Cyber Security Engineer II
Woodbridge, Virginia, United States
OnsiteFull Time
3+ YOEActive Top Secret/SCI with CI Poly; 3+ years cyber operations/engineering; Linux experience; strong networking knowledge; degree in CS/CE/SE/EE/CS or Network Engineering; equivalency options with certifications.
Linux, Networking
2mo
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Security Engineer (ISSE) (VA, Alexandria)
Alexandria, Virginia, United States
HybridFull Time
5+ YOEBachelor's degree or equivalent experience; DoD 8140 training; 5-12 years of related experience; security clearance requirements; strong communication and teamwork; cybersecurity operations and compliance experience.
RMF, NIST RMF, eMASS, STIGs, POA&M, DoD 8140, Security Controls, Vulnerability Management
2mo
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Email Security Engineer, Senior
Fort Meade, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Senior-level email security engineer with DoD/DoD 8140 IAT Level II certification within 6 months; Secret clearance; bachelor’s degree; experience designing and operating cybersecurity and email security solutions.
3w
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Information Security Engineer
Reston, Virginia, United States
$100k-$110k/yr HybridFull Time
3+ YOEBachelor's in cybersecurity or related, 3+ years in information security or security operations, experience with XDR/EDR, Entra ID, cloud platforms, incident investigation, scripting and automation.
Microsoft XDR, CrowdStrike Falcon, Microsoft Entra ID, AWS, Microsoft Azure, Google Cloud Platform (GCP), PowerShell, Python, Kusto Query Language (KQL), Splunk Processing Language (SPL), Microsoft Graph API, REST APIs, OpenCode, Claude, Gemini, GitHub Copilot, ChatGPT
1mo
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Web Developer Security Engineer
Washington, District of Columbia, United States
HybridFull Time
3+ YOE3+ years in application security/SSDLC, strong OWASP knowledge, vulnerability lifecycle management, DevSecOps/CI-CD integration, WAF and FIM experience, Tier II security operations, relevant application/offensive/foundational security certification.
C#, ASP.NET MVC, WCF, HTML5, CSS3, JavaScript, React, TypeScript, REST APIs, SQL, Python, Node.js, Java, GitHub Copilot, WAF, File Integrity Monitoring (FIM), SIEM, IDS/IPS, NDR, EDR, AWS, Docker, Kubernetes
1w
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Infrastructure Security Engineer
Bethesda, Maryland, United States
$130k-$160k/yr OnsiteFull Time
Bachelor's or equivalent and extensive hands-on experience securing cloud, network, and identity infrastructure (Azure/AWS), scripting (Python/PowerShell/Bash), SIEM, firewalls, and enterprise security operations.
Azure, AWS, Microsoft 365, Python, PowerShell, Bash, Cisco ISE, Zscaler, BGP, EIGRP, SD-WAN, VoIP/Cloud Voice Solutions, SCCM, Splunk, CrowdStrike, Palo Alto, Meraki, Cisco, Ruckus, Citrix, WVD/Workspaces, DKIM, DMARC
1mo
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DHS Sr. Operational Technology (OT) Security Engineer
Washington, District of Columbia, United States
$195k-$225k/yr OnsiteFull Time
12+ YOETS/SCI clearance and 12+ years OT engineering/security experience in DoD/Federal settings; expertise with NIST SP 800-82 and ISA/IEC 62443; BS in Cyber Security preferred or equivalent experience; advanced security certifications (CRISC, CISSP, CASP, GISP) preferred.
Federal Information Security Modernization Act (FISMA), Risk Management Framework (RMF), NIST SP 800-82, ISA/IEC 62443, CISA Cybersecurity Alerts & Advisories
2mo
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Senior Security Engineer (Government)
Chantilly, Virginia, United States
$98k-$220k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years security operations experience, TS/SCI with polygraph, US citizenship, on-prem/cloud/hybrid experience, strong communication and leadership.
Linux, Windows Server, VMware, KVM, QEMU, Hyper-V, Trellix, SentinelOne, Nessus, Splunk, ITSM, ServiceNow
1mo
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Security Operations Center Engineer III
Arlington, Virginia, United States
OnsiteFull Time
10+ YOEUS citizen with DoD Secret clearance, Bachelor's in a technical field (or equivalent experience), 10+ years in IT security operations, Splunk/Cribl/SIEM experience, threat hunting, incident response, cloud/AWS security, and security automation.
Splunk Enterprise, Splunk Cloud, Cribl, SIEM, AWS, NIST Cybersecurity Framework (CSF), NIST 800 Series, Risk Management Framework (RMF), FISMA, Security Technical Implementation Guides (STIGs), MITRE ATT&CK Framework
1mo
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Security Operations Engineer
Patrick Space Force Base or Arlington
OnsiteFull Time
5+ YOEU.S. citizen with active clearance (TS/SCI eligibility). 5+ years in cybersecurity, experience with cloud (AWS/Azure/Google Cloud), RMF and NIST 800-53, eMASS ATO packages, STIGs, vulnerability scanning (SAST/Fortify), containers, CI/CD/DevSecOps, and policy-as-code. CompTIA Security+ required (or obtain within 30 days).
AWS, Azure, Google Cloud, RMF, NIST 800-53, eMASS, STIGs, SAST, Fortify, CI/CD, DevSecOps, MLOps, Linux, policy as code
1mo
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Senior Communications Security (COMSEC) Engineer
Fort Belvoir or Reston
$110k-$125k/yr OnsiteFull Time
4+ YOEDoD Top Secret/SCI, TACLANE operator training, 4+ years IT experience with ≥2 years COMSEC, familiarity with GEMOne/Chimera, KG-175 devices, DoD 8140/IAT Level II (Security+ CE) preferred.
GEMOne, Chimera, KG-175F, KG-175G, KG-175X, TACLANE, Cisco
2w
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CLOUD SECURITY ENGINEER - AWS GOVCLOUD / MULTI-CLOUD
Arlington or Alexandria
$155k-$190k/yr HybridFull Time
8+ YOE8+ years delivering AWS GovCloud infrastructure with Terraform/IaC, multi-cloud architecture, cloud security automation, FedRAMP operations, scripting (Python/Bash), CI/CD (Jenkins), and observability (Splunk/CloudWatch).
Terraform, Ansible, Security Hub, GuardDuty, Config, Jenkins, Splunk, CloudWatch, Python, Bash, Prisma Cloud, Okta, Entra ID, AWS GovCloud, AWS, Azure, GCP
1d
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Engineer, Security & Identity
Washington, District of Columbia, United States
$100k-$120k/yr OnsiteFull Time
5+ YOE5+ years cybersecurity/identity experience, deep expertise in identity and access management, Zero Trust, security operations, vulnerability management; U.S. work authorization and successful background check required; strong communication and documentation skills.
Azure AD/Entra ID, Okta, MFA, SSO, CrowdStrike, MDR/XDR, SIEM, Endpoint protection, AI/GenAI
2w
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Principal Software Developer Engineer
Reston or Austin or Seattle
$115k-$235k/yr OnsiteFull Time
6+ YOEU.S. citizenship and active TS/SCI with Poly required. Senior software engineer with multi-year experience designing, building, testing, and operating distributed application services; experience with databases, programming/scripting, secure development, code review, and mentorship.
Oracle Cloud Infrastructure, AWS, Azure, Google Cloud, RESTful APIs, microservices, CI/CD, containers, Kubernetes, Linux, observability
1w
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Senior Information Security Engineer - DOWIN Ops
Seaside or Alexandria
OnsiteFull Time
7+ YOE7+ years IT/InfoSec experience with 5+ years in cybersecurity operations and incident response; bachelor’s degree; active Secret clearance with ability to obtain Top-Secret; DoD 8570 IAT Level II or higher and related certs; strong forensic, reporting, and policy skills.
Trellix/ESS, Tanium, Microsoft Defender Endpoint, BeyondTrust, Splunk, ATT&CK, D3FEND
2d
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Operations Engineer
Atlanta or Naperville or Rockville or King of Prussia or Arlington
$106k-$158k/yr OnsiteFull Time
1+ YOEBachelor's in engineering or equivalent (PE/EIT alternatives),1+ year specialized nuclear engineering experience,U.S. citizenship,pre-employment drug test,background investigation/security clearance,transcripts required.
1w
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Senior Cyber Infrastructure Engineer & Architect (Security Platforms SME)
Arlington, Virginia, United States
$200k-$275k/yr OnsiteFull Time
Hands-on security platform engineering experience (SIEM, EDR/XDR, vulnerability scanning, log/telemetry pipelines), scripting with Python/PowerShell/Bash, ability to operate in TS/SCI environments; U.S. citizenship and active Top Secret/SCI required.
Python, PowerShell, Bash, Splunk Enterprise, Splunk ES, Elastic, Microsoft Sentinel, QRadar, ArcSight, Cribl, Logstash, Kafka, Fluent Bit, syslog-ng, Microsoft Defender, CrowdStrike, SentinelOne, Trellix, Tanium, Carbon Black, Tenable/ACAS, Nessus, SecurityCenter, Qualys, Rapid7, ServiceNow, Jira, Cortex XSOAR, Splunk SOAR, Phantom, Ansible, Terraform, Git, GitLab, Jenkins, PowerShell DSC, Active Directory/LDAP, Windows, Linux
2mo
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Sr. Staff Site Reliability Engineer-Federal, Security Clearance
Crystal City, Virginia, United States
$140k-$200k/yr OnsiteFull Time
7+ YOEActive Secret clearance; 7+ years SRE experience in operations and engineering; Linux, network troubleshooting, automation (Ansible, Terraform); Python; AWS ECS/Kubernetes; vulnerability monitoring; virtualization and networking.
Python, Ansible, Terraform, Kubernetes, AWS, Linux, Docker