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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Systems Security Engineer - **Company:** Sierra Nevada Company, LLC - **Location:** Lone Tree, CO, United States - **Experience:** Expert - **Salary:** $143,487.0 - $197,295.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Automation of Tests, Microsoft Azure, Cloud Computing, Cyber Security, Information Systems, Data Security, Linux, DevOps, Monitoring of Systems, Information Systems Security Architecture Professional, Information Systems Security Engineering Professional, Software Tools, Secure Coding, Software Engineering, Trusted Systems, Workflow Management Systems, Containerization, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Devsecops, Docker - **Published:** October 13, 2026 - **Apply:** https://dejobs.org/x/x/048ECAE72460428482253C605DF01A81/job/ ## About the Role The ideal candidate will have a strong DevOps background with a deep emphasis on security, strong analytical skills, and a passion for solving complex IT and security challenges. As a Senior Systems Security Engineer, you will lead the design and deployment of our security infrastructure, manage complex security projects, set strategic direction for security practices, and mentor junior engineers. If you thrive in a collaborative environment and are committed to advancing security in every phase of the development process, we encourage you to apply., * Bachelor's degree in Systems Security, Network Engineering, Information Technology, or related Engineering discipline. * 8+ years of experience in IT security or a related field. * Relevant experience can be considered as a substitute for the required educational qualifications. In the absence of a degree, a minimum of 12 years of related experience is required. * Certified Information Systems Security Professional (CISSP) is required. * Higher level relevant degree may substitute for experience. * Expert understanding of cybersecurity principles and practices. * Experience with security frameworks and standards such as National Institute of Standards and Technology (NIST), ISO 27001. * Proven work experience as a DevSecOps Engineer or similar role in development, operations, and security. * Knowledge of cloud technologies and architectures (Azure / AWS). * Experience in secure coding practices and automating security testing tools. * Proficient with containerization technologies like Docker and orchestration tools like Kubernetes. * Experience with automation scripts and configuration management tools. * Excellent communication skills with the ability to explain complex security topics in an understandable manner. * Ability to obtain/maintain a Top Secret U.S. Security Clearance is required., * 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. * Microsoft Certified Solutions Expert (MCSE) or Linux. * Experience in the aerospace or defense industry. Essential Functions: * Ability to work primarily at a computer for extended periods. * Capability to participate in on-call rotation for incident response. * Must be able to lift up to 25 lbs occasionally. * Ability to work in an office or hybrid environment. * Occasional travel may be required. This posting will be open for application for a minimum of 5 days and may be extended based on business needs., This position requires the ability to obtain and maintain a Top Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use. ## Description We are looking for a dedicated DevSecOps Engineer to join our team and play a key role in integrating development, security, and operations to enhance our end-to-end system security. In this position, you will be responsible for designing and implementing scalable, functional, and secure systems, while continuously improving the security posture of both our development and production environments. You will work closely with both development and operations teams to ensure security best practices are embedded throughout the software lifecycle., * Design and implement secure automation solutions for development, testing, and production environments. * Manage and maintain infrastructure security and monitoring systems. * Develop and maintain CI/CD pipelines across multiple environments. * Understand and remediate system vulnerabilities and security issues. * Collaborate with team members to improve the company's engineering tools, systems, procedures, and data security. * Create and maintain security-related documentation. * Stay current with security industry trends, including emerging threats and security solutions. * Support incident response and problem management teams by providing containment actions and incident analysis. * Developing strategies for security and scalability.