Systems Security Engineer III

Sierra Nevada Corporation•Lone Tree, CO
•$113,922 - $156,642

About The Position

The Systems Security Engineer III will help drive security across development and operational environments supporting SNC’s ISR, Aviation, and Security business area and the Survivable Airborne Operations Center (SAOC) mission. The role works closely with engineering, operations, and security teams to integrate security throughout the software lifecycle and advance DevSecOps practices. The engineer will identify vulnerabilities using techniques such as static code analysis and fuzzing, improve secure software delivery through CI/CD automation, and lead initiatives to strengthen system security and resilience. The position also offers the opportunity to work with cloud and automation technologies and influence security strategy.

Requirements

  • Bachelor’s degree in Systems Security, Network Engineering, Information Technology, or a related engineering discipline; relevant experience may substitute for the required education.
  • At least 5 years of experience in IT security or a related field; without a degree, at least 9 years of related experience is required. A higher-level relevant degree may substitute for experience.
  • Advanced understanding of cybersecurity principles and practices.
  • Experience with security frameworks and standards such as NIST and ISO 27001.
  • Proven work experience as a DevSecOps Engineer or in a similar development, operations, and security role.
  • Knowledge of cloud technologies and architectures, including Azure or AWS.
  • Experience with secure coding practices and automation of security testing tools.
  • Proficiency with containerization technologies such as Docker and orchestration tools such as Kubernetes.
  • Experience with automation scripts and configuration management tools.
  • Excellent communication skills, including the ability to explain complex security topics clearly.
  • Current Secret U.S. Security Clearance.
  • Ability to obtain and maintain a Top Secret U.S. Security Clearance.
  • U.S. citizenship is required because the position requires an active U.S. Security Clearance.

Nice To Haves

  • Information Systems Security Engineer Professional (ISSEP), Certified Authorization Professional (CAP), or Certified Information Security Manager (CISM) certification.
  • Security+, Certified Information Systems Auditor (CISA), or CompTIA Advanced Security Practitioner (CASP+) certification.
  • Certified Information Systems Security Professional (CISSP) certification.
  • Microsoft Certified Solutions Expert (MCSE) or Linux experience.
  • Experience in the aerospace or defense industry.

Responsibilities

  • Design and implement secure automation solutions across development, test, and production environments.
  • Lead 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 through investigation, analysis, and containment efforts.
  • Research emerging threats and technologies to strengthen security capabilities and practices.
  • Provide technical leadership, mentorship, and strategic guidance on security and scalability initiatives.

Benefits

  • Medical insurance plans.
  • Dental insurance plans.
  • Vision insurance plans.
  • 401(k) with a 150% match up to 6%.
  • Life insurance.
  • Three weeks of paid time off.
  • Tuition reimbursement.
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