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65 Mitre Senior Security Engineer Jobs Hiring Near You

Senior Security Engineer / Hybrid / Atlanta One of the major American airlines is looking for a Senior Security Engineer to join their Hybrid team in Atlanta, GA! Our client is looking for a Senior ...

Sr. Security Engineer

Manhattan, NY · On-site

$170 - $200/hr

Role Overview ButterflyMX is looking for a Senior Security Engineer to join our growing security ... Strong understanding of web application and API security fundamentals (OWASP, MITRE, CIS, API ...

Sr. Security Engineer

New York, NY · Remote

$125K - $171K/yr

Role Overview ButterflyMX is looking for a Senior Security Engineer to join our growing security ... Strong understanding of web application and API security fundamentals (OWASP, MITRE, CIS, API ...

Sr. Security Engineer

New York, NY · On-site

$125K - $171K/yr

Role Overview ButterflyMX is looking for a Senior Security Engineer to join our growing security ... Strong understanding of web application and API security fundamentals (OWASP, MITRE, CIS, API ...

Senior Security Engineer

$117K - $160K/yr

The Senior Security Engineer supports system modernization, secure cloud adoption, continuous monitoring improvements, and enterprise cybersecurity strategy through engineering rigor, security ...

Senior Security Engineer

San Francisco, CA · On-site

$134K - $185K/yr

SIEM Build & Detection Engineering - Deploy the SIEM platform and author 30+ MITRE ATT&CK-mapped ... Security Reporting & Risk Governance - Publish monthly security reports to leadership, deliver H1 ...

Senior Security Engineer

$117K - $160K/yr

Senior Security Engineer (Remote) Radformation specializes in Radiation Oncology Cancer treatment software. Our solutions will save cancer clinics time, eliminate planning errors, and enable them to ...

Senior Security Engineer

Chicago, IL

$118K - $161K/yr

The Senior Security Engineer works in Optiv's 24x7x365 Security Operations Center as a member of the Managed Security Services team. The Senior Security Engineer uses technical knowledge on a number ...

Senior Security Engineer

Washington, DC · On-site

$160K - $190K/yr

The Senior Security Engineer is responsible for designing, implementing, and maintaining advanced security solutions to protect federal systems and data. This role prioritizes continuous monitoring ...

Senior Security Engineer

Washington, DC · Hybrid

$129K - $177K/yr

The Senior Security Engineer is responsible for designing, implementing, and maintaining advanced security solutions to protect federal systems and data. This role prioritizes continuous monitoring ...

$102.76 - $148.43/hr

... IT security engineering, security operations, or infrastructure security * Strong grounding in ... CIS Benchmarks, and MITRE ATT&CK * Advanced knowledge of Splunk Cloud SIEM (SPL, use-case ...

Senior Security Engineer

Washington, DC · On-site

$129K - $177K/yr

The Senior Security Engineer is responsible for designing, implementing, and maintaining advanced security solutions to protect federal systems and data. This role prioritizes continuous monitoring ...

Senior Security Engineer

Chicago, IL · On-site

$118K - $161K/yr

The Senior Security Engineer works in Optiv's 24x7x365 Security Operations Center as a member of the Managed Security Services team. The Senior Security Engineer uses technical knowledge on a number ...

Senior Security Engineer

Portland, OR · On-site

$121K - $166K/yr

The Senior Security Engineer plays a critical role in designing, implementing, and maintaining advanced security controls to protect the organization's infrastructure, applications, and data. This ...

Showing results 21-40

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Infographic showing various Senior Security Engineer job openings at Mitre in the United States as of August 2026, with employment types broken down into 82% Full Time, and 18% Contract. Highlights an 96% Physical, and 4% Remote job distribution.

$110K - $151K/yr

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Job description

Senior Security Engineer / Hybrid / Atlanta
One of the major American airlines is looking for a Senior Security Engineer to join their Hybrid team in Atlanta, GA!
Our client is looking for a Senior Security Engineer who will serve as a key member of the enterprise cybersecurity team, responsible for designing, implementing, and supporting the organization's Public Key Infrastructure (PKI) and certificate management ecosystem. This role will help ensure the security, availability, and scalability of cryptographic services across on-premises and cloud environments.
Contract Duration: 12-Month Contract with the opportunity for extension or conversion
Required Skills & Experience
  • Bachelor's degree in Computer Science, Cybersecurity, or related field (or equivalent experience).
  • 3-7+ years of experience in PKI, cybersecurity engineering, infrastructure security, or security engineering.
  • Hands-on experience managing certificate lifecycle management in enterprise environments.
  • Experience with PKI platforms such as Venafi, DigiCert, Microsoft Certificate Services, AWS Certificate Manager (ACM), or similar technologies.
  • Strong understanding of TLS/SSL, X.509 certificates, cryptographic concepts, certificate authorities, and key management.

What You Will Be Doing
Daily Responsibilities
  • PKI Infrastructure & Operations:
  • Ensure availability, resiliency, and patching of PKI infrastructure.
  • Support certificate issuance, renewal, revocation, and lifecycle management.
  • Certificate Lifecycle Management:
  • Manage large-scale certificate environments across applications and infrastructure.
  • Ensure timely renewal and replacement of certificates.
  • Support trust store management and certificate chain integrity.
  • Automation & Integration:
  • Build and implement automation for certificate lifecycle management.
  • Integrate PKI services with enterprise platforms (CI/CD pipelines, cloud services, applications).
  • Deploy and operationalize tools such as connectors and automation pipelines.