Senior Cybersecurity Engineer - Zero Trust Platform Lead

Sierra Nevada Company, LLC; Lone Tree (CO); Hybrid; USD 151,000 - 207,000; Full time

Job summary

Sierra Nevada Company, LLC is seeking a Senior Cybersecurity Engineer to lead design, testing, and deployment of secure OS, networks and monitoring tools. The role emphasizes risk assessment, incident response, and security control development across enterprise platforms.

The engineer will mentor junior staff, collaborate with security architects, and drive Zero Trust initiatives to strengthen enterprise security posture and compliance with NIST/CMMC requirements.

Qualifications

• Bachelor's degree in Cybersecurity, Network Engineering, Information Technology or related Engineering field of study.
• 8+ years of experience in a related role.
• In the absence of a degree, a minimum of 12 years of related experience is required.
• Deep understanding of cybersecurity principles and network architectures.
• Proven leadership with security monitoring and assessment tools.
• Expert knowledge of data security administration principles and PKI.
• Hands-on Zero Trust architecture experience in security operations platforms.

Responsibilities

• Platform Ownership: manage and improve security operations platforms and logging/detection.
• Architectural Alignment: ensure portfolio meets architectural requirements and mitigates risks.
• Zero Trust Alignment: advance device, network, workload, and data security controls.
• Standardization: develop security control standards and roadmaps with junior engineers.
• Risk Management: analyze and advise on risk and design technical controls.
• Evidence & Compliance: map controls to NIST SP 800-171, CMMC and policy needs.
• Mentoring: coach junior engineers on advanced security practices.
• Collaboration: work with cross-functional teams and senior leadership.

Education

Bachelor's degree in Cybersecurity, Network Engineering, Information Technology or related Engineering field of study

12+ years of related experience in absence of a degree

Tools

Microsoft platforms

Job description

Sierra Nevada Company, LLC is seeking a Senior Cybersecurity Engineer to lead design, testing, and deployment of secure OS, networks and monitoring tools. The role emphasizes risk assessment, incident response, and security control development across enterprise platforms.

The engineer will mentor junior staff, collaborate with security architects, and drive Zero Trust initiatives to strengthen enterprise security posture and compliance with NIST/CMMC requirements.