242 security operation engineer jobs at 148 companies in Gaithersburg, MD
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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
5d
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Cloud Security Engineer
McLean or Herndon
$142k-$236k/yr OnsiteFull Time
7+ YOERequires 7+ years in cloud security or cyber operations, 5+ years with AWS, 3+ years coding in Python, active TS/SCI with polygraph, and expertise in operating systems, networks, security, or architecture.
Amazon Web Services (AWS), Python, Splunk Query Language, Splunk, Azure, OCI, Security Orchestration, Automation and Response (SOAR)
2mo
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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
3mo
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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.
1mo
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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
3w
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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
18h
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Security Engineer (Active Top Secret Clearance)
Herndon or Virginia or United States or India
$90k-$120k/yr HybridFull Time
3+ YOEThree years of security-focused IT engineering and network security operations experience; Linux administration, Ansible, Splunk, VMware, high school diploma, certification, US citizenship, and active Top Secret clearance required.
Ansible, Splunk, VMware, Linux, Red Hat Enterprise Linux, Windows, OS X, Microsoft, Cisco, SELinux, PKI
2mo
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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
1d
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Associate Security Operations Engineer
Washington, District of Columbia, United States
$79k-$97k/yr HybridFull Time
1+ YOEBachelor's degree in computer science or equivalent experience and 1–2 years in cybersecurity, IT operations, systems administration, or network support; security monitoring experience preferred.
SIEM, EDR, IAM, AWS, Python, PowerShell, CrowdStrike, Okta, NIST Cyber Security Framework, TCP/IP, DNS, Windows, Linux, SOC 2, CJIS
1w
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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
1d
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Security Operations Center Engineer
McLean, Virginia, United States
$87k-$198k/yr HybridFull Time, Part Time
Requires systems engineering and cybersecurity experience, automation with scripting, APIs, webhooks, or orchestration, security tool integration, incident response knowledge, Windows or Linux administration, troubleshooting, and HS diploma or GED.
Tines, ThreatQ, Andesite, Elastic, Splunk, Python, PowerShell, JavaScript, Windows, Linux
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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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 Architect
Washington, District of Columbia, United States
OnsiteFull Time
5+ YOE5+ years security engineering/operations experience, active clearance required, bachelor’s in CS/IS, VMware experience, API/container/cloud security, NIST RMF/FISMA knowledge, strong communication and documentation skills.
VMware, API Security, Container Security, Cloud Security, NIST SP 800-53, RMF, FISMA, DHS, DoD, RBAC, ATO, FedRAMP
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
4w
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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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AWS Security Operations/Incident Response Engineer, US Amazon Dedicated Cloud Security
Herndon, Virginia, United States
OnsiteFull Time
Associate degree or higher, GCIH, GSEC, or Security+, active US TS/SCI clearance with polygraph, and experience in information security, incident response, security operations, forensics, and risk assessment.
AWS
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