Senior Cybersecurity Engineer - AppSec & DevSecOps

Sierra Nevada Company, LLC; Lone Tree (CO); Hybrid; USD 131,000 - 180,000; Full time

Benefits offered by this job

Medical, dental and vision plans

401(k) with 150% match up to 6%

Life insurance

3 weeks paid time off

Tuition reimbursement

Job summary

Sierra Nevada Company, LLC is seeking a Cybersecurity Engineer III to lead design, testing, and implementation of secure OS, networks, and monitoring tools. The role includes overseeing security systems, incident responses, risk assessments, and integrating new tools to strengthen security posture.

The candidate will work with DevSecOps to integrate automated tooling into CI/CD and drive a culture of security across development teams.

Qualifications

• Bachelor's degree in Cybersecurity, Network Engineering, Information Technology or related Engineering field of study.
• 5+ years of experience in a related role.
• 3+ years of experience focused on application security or DevOps/DevSecOps.
• Strong understanding of core cybersecurity principles as they relate to secure software design and the SDLC.
• Demonstrated ability to collaborate with development teams as a security partner.
• Ability to work in office or hybrid environment.
• Prolonged periods sitting at a desk and working on a computer.
• Ability to travel as needed.
• The ability to obtain and maintain a Secret U.S. Security Clearance is required.

Responsibilities

• Application Security Analysis using SAST/DAST/CA tools and code reviews.
• Secure Design Review with developers to embed security in designs.
• DevSecOps integration with CI/CD tooling and gates.
• Tooling and Pipeline Reviews for security standards adherence.
• AI and Emerging Capability support for AppSec improvements.
• Culture of Security collaboration with developers to balance velocity.
• Collaboration with development teams to support secure innovation.

Skills

5+ years experience in a related role

3+ years experience in application/Dev

Strong cybersecurity fundamentals

Programming languages: C++, Python, JS

Education

Bachelor's degree in Cybersecurity, Network Engineering, IT or related Engineering

Tools

Sonarqube

Semgrep

Trivy

JFrog Xray

JFrog Artifactory

GitHub Actions

Terraform

Ansible

Job description

Sierra Nevada Company, LLC is seeking a Cybersecurity Engineer III to lead design, testing, and implementation of secure OS, networks, and monitoring tools. The role includes overseeing security systems, incident responses, risk assessments, and integrating new tools to strengthen security posture.

The candidate will work with DevSecOps to integrate automated tooling into CI/CD and drive a culture of security across development teams.