Software Engineer; III​/Sr), DevOps​/DevSecOps

About the Role

The Software Engineer III role involves designing, developing, and testing software applications for space systems and technologies. This advanced position requires expertise in at least one programming language, a deep understanding of software development principles, and the ability to design and architect complex software systems. The role includes writing clean, maintainable code, collaborating with team members to understand project requirements, contributing to innovative software solutions, and guiding other engineers with technical leadership.

• Design, develop, and test software applications for space systems and technologies.
• Write clean, maintainable code and collaborate with team members to understand project requirements.
• Contribute to the development of innovative software solutions.
• Mentor and guide junior engineers, providing technical leadership and support.
• Design, implement, and maintain Git Hub Enterprise installations on‑premises and in Azure environments, leveraging Kubernetes for build runners and synchronizing with air‑gapped environments.
• Configure, deploy, and maintain Artifactory in air‑gapped environments.
• Develop and maintain CI/CD pipelines using Git Hub Actions, Docker, and Kubernetes.
• Monitor system performance, troubleshoot issues, and ensure high service availability.
• Collaborate with software developers to optimize development processes and embed security practices.
• Automate infrastructure provisioning and configuration management using Terraform and Ansible.
• Conduct comprehensive system tests covering security, performance, and availability assessments.
• Ensure the team produces quality‑driven, reproducible software that adheres to industry best practices.

• Bachelor’s degree in a related field (or equivalent work experience) or master’s degree with 3+ years experience.
• 5+ years of related experience.
• Expertise in one or more programming languages with advanced understanding of software development principles.
• Ability to design and architect complex software systems.
• Experience with Agile and Scrum/Kanban methodologies.
• Strong problem‑solving skills.
• Ability to mentor and guide other engineers.
• Must be able to obtain and maintain a U.S. Security Clearance.
• Willingness and ability to obtain Security Plus or IAT2 certification.

• Security Plus or IAT2 certification.
• Proven experience as a Dev Ops/Dev Sec Ops  Engineer.
• Proficiency in one or more scripting languages (e.g., Python, Bash).
• Strong experience designing and implementing Git Hub CI/CD pipelines.
• Hands‑on experience with Infrastructure‑as‑Code tools such as Terraform or Ansible.
• Expertise in containerization technologies like Docker and orchestration tools like Kubernetes.
• Experience working in air‑gapped environments and synchronizing external and internal systems.
• Experience with Windows and Linux software development.
• Ability to identify bottlenecks in software development and create solutions to increase efficiency.
• Strong understanding of security and software development best practices and principles.
• Experience with additional Dev Sec Ops  tools and methodologies.
• Familiarity with cloud platforms, specifically Azure.
• Experience with logging and monitoring tools (ELK stack, Prometheus, Grafana).
• Experience with C/C++ build tools.
• Excellent problem‑solving skills, attention to detail, and ability to work collaboratively in a team environment.

This position requires the ability to obtain and maintain a U.S. Security Clearance, U.S. citizenship, and an active security clearance for employment.

Annual base salary range: $ – $, adjusted based on experience, education, internal equity, and market competitiveness.

• Medical, dental, and vision plans.
• 401(k) plan with 150% company match up to 6% of compensation.
• Life insurance.
• 3 weeks paid time off.
• Additional benefits as applicable.

Sierra Space Corporation is an equal‑opportunity employer. We are committed to working with and providing reasonable accommodations to applicants with disabilities. If special assistance or a reasonable accommodation is required during any stage of the recruitment process, please contact our Talent Acquisition team.