Systems Security Engineer III — DevSecOps & Secure CI/CD

Sierra Nevada Corp; Dayton (OH); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

401(k) Plan

Life Insurance

Paid Time Off

Tuition Reimbursement

Job summary

Sierra Nevada Corp (SNC) is seeking a Systems Security Engineer III to integrate security across software lifecycles and cloud environments. You will build secure automation, strengthen CI/CD pipelines, and drive vulnerability response in collaboration with engineering, operations, and security teams.

The role requires advanced cybersecurity knowledge, hands-on DevSecOps experience, and the ability to obtain/maintain U.S. security clearances (Secret, with potential Top Secret).

Qualifications

• Bachelor’s degree in Systems Security, Network Engineering, IT, or related field.
• 5+ years in IT security or related field.
• In the absence of a degree, a minimum of 9 years of related experience is required.
• Higher level relevant degree may substitute for experience.

Responsibilities

• Design and implement secure automation solutions across development, test, and production environments.
• Lead the development and enhancement of secure CI/CD pipelines that enable reliable software delivery.
• Drive improvements in infrastructure security, monitoring, and vulnerability management capabilities.
• Identify, assess, and remediate security risks across systems, applications, and cloud environments.
• Partner with engineering, operations, and security teams to embed security throughout the development lifecycle.
• Support incident response activities through investigation, analysis, and containment efforts.
• Research emerging threats and technologies to continuously strengthen security capabilities and practices.
• Provide technical leadership, mentorship, and strategic guidance on security and scalability initiatives.

Skills

Cybersecurity principles

NIST/ISO27001

DevSecOps

Cloud (Azure/AWS)

Secure coding

Docker

Kubernetes

CI/CD

Automation scripts

Configuration management

Education

Bachelor’s degree in Systems Security or related field

Tools

Docker

Kubernetes

CI/CD pipelines

Job description

Sierra Nevada Corp (SNC) is seeking a Systems Security Engineer III to integrate security across software lifecycles and cloud environments. You will build secure automation, strengthen CI/CD pipelines, and drive vulnerability response in collaboration with engineering, operations, and security teams.

The role requires advanced cybersecurity knowledge, hands-on DevSecOps experience, and the ability to obtain/maintain U.S. security clearances (Secret, with potential Top Secret).