208 security operations engineer jobs at 125 companies in Dahlgren, VA
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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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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
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Satellite Operations Engineer
Dulles or Washington or California
OnsiteFull Time
BS or MS in aerospace/astrodynamics/systems engineering, demonstrated flight dynamics and orbital mechanics experience, proficiency with STK/GMAT/FreeFlyer/Orekit, software skills in Python/MATLAB/C/C++, and U.S. person status; security-clearance eligibility.
STK, GMAT, FreeFlyer, Orekit, Python, MATLAB, C/C++, Git, Amazon Web Services (AWS)
2mo
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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
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GEOSPATIAL OPERATIONS ENGINEER
Herndon, Virginia, United States
OnsiteFull Time
Requires active Top Secret clearance (TS/SCI w/Poly), Linux command-line, Apache/Apache Tomcat troubleshooting, Tier 2 troubleshooting, QGIS/ArcGIS/OSM experience, and CompTIA Security+ (or ability to obtain).
Linux, Apache, Apache Tomcat, QGIS, ESRI ArcGIS, OpenStreetMap (OSM), AWS, Zabbix, ELK, Splunk, Ansible, Chef, Puppet
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Lead Security Engineer
McLean or Suitland
$160k-$180k/yr HybridFull Time
15+ YOEU.S. citizen able to obtain Public Trust,15+ years cybersecurity experience, CISSP and CCSP required, strong cloud, DevSecOps, IAM, compliance (NIST/FedRAMP/FISMA), and security operations experience.
AWS, Azure, SIEM, SAST, DAST, Git, Jira, Confluence, ServiceNow
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
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
2w
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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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Site Reliability / Operations Engineer (TS/SCI)
Herndon or Colorado Springs or Melbourne
$90k-$132k/yr OnsiteFull Time
2+ YOEActive TS/SCI clearance, Security+ certification, Bachelor's in CS/IS/Engineering or equivalent, 2+ years systems/DevOps/automation experience, Linux/Bash and ELK Stack experience, strong troubleshooting and communication skills.
Linux, RHEL, CentOS, Ubuntu, Bash, ELK Stack, Elasticsearch, Kibana, Logstash, Python
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Site Reliability / Operations Engineer (TS/SCI)
Herndon or Colorado Springs or Melbourne or Washington, DC
$82k-$132k/yr OnsiteFull Time
2+ YOEActive TS/SCI clearance, Security+ cert, Bachelor's in CS/IS/Engineering or equivalent, 2+ years systems/automation/DevOps experience, Linux (RHEL/CentOS/Ubuntu), Bash, ELK Stack (Elasticsearch, Logstash, Kibana).
Linux, RHEL, CentOS, Ubuntu, Bash, ELK Stack, Elasticsearch, Logstash, Kibana, Python
1mo
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High Side Operations Software Engineer
Alexandria or Washington
$87k-$198k/yr OnsiteFull Time
3+ YOE3+ years building production applications with Python or Java; experience deploying and maintaining software in secure/disconnected environments; CI/CD (GitLab CI, Jenkins, ArgoCD); containerization (Docker, Podman, Containerd, Kaniko); Kubernetes (kubectl, Helm); TS/SCI clearance with polygraph; Bachelor's in Computer Science.
Python, Java, GitLab CI, Jenkins, ArgoCD, Docker, Containerd, Podman, Kaniko, Kubernetes, Kubectl, Helm, Git, Kafka, RedPanda, Amazon SNS, Apache Flink, AWS, Azure, RKE2, K3S, EKS, AKS, OpenShift, C#, C++, JavaScript, React, NodeJS
4d
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Engineer, Security & Identity
Washington, District of Columbia, United States
$100k-$120k/yr OnsiteFull Time
5+ YOEMinimum 5 years in cybersecurity/identity roles, deep expertise in identity and access management, vulnerability management, security operations, incident response, strong communication and documentation skills, U.S. work authorization, and background check clearance.
Azure AD/Entra ID, Okta, MFA, SSO, CrowdStrike, MDR/XDR, SIEM, AI/GenAI
2w
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Communication Security Operations Lead
Springfield, Virginia, United States
HybridFull Time
14+ YOEBachelor's+14 years (or Master's+12) experience; deep PKI/KMI, PQC/OTNK, HAIPE/NGLD expertise; automation/SIEM modernization, testing/PoC, and leadership in high-assurance environments; US citizenship and active secret clearance.
SIEM, telemetry dashboards, infrastructure-as-code, TACLANE, SKL, KGV, HAIPE, NGLD, KMI, PKI, Zero Trust Architecture (ZTA)
3w
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Sr. Enterprise Customer Operations Engineer
Washington or Maryland or Virginia or North Carolina or Colorado or Texas
$140k-$190k/yr RemoteFull Time
5+ YOE5+ years in technical support/SRE/DevSecOps, deep Kubernetes and cloud experience, familiarity with FedRAMP/NIST/DoD security controls, strong troubleshooting and communication skills.
Kubernetes, Docker, Helm, Istio, Terraform, Grafana, Prometheus, Loki, Mimir, GitLab, PagerDuty, Jira, Git
2mo
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Stationary Operations Engineer 2 - Washington, D.C.
Washington, District of Columbia, United States
$44-$65/hr OnsiteFull Time
8+ YOEHigh school diploma or GED with 8+ years facilities maintenance; U.S. Citizenship; ability to obtain/maintain security clearance; experience with central utility plants, boilers, chillers, BAS; strong problem-solving and communication skills.
Chiller systems, Boilers, HVAC, BAS, DDC platforms, Pumps, Control systems
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