Senior DevOps Engineer jobs in United States
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Castelion · 19 hours ago

Senior DevOps Engineer

Castelion is a company focused on innovative defense development and production strategies. They are seeking a Senior DevOps Engineer to design, implement, and maintain automated infrastructure, CI/CD pipelines, and cloud-based deployments, with a strong emphasis on improving system reliability.

AerospaceGovernmentManufacturingMilitaryNational Security
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote
Hiring Manager
Nicholas Sparks
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Responsibilities

Deploy, manage, and optimize cloud-based services using Azure
Build and manage CI/CD pipelines using Jenkins, GitHub Actions, and Git, ensuring smooth deployments across development, staging, and production environments
Design, implement, and troubleshoot Docker and Kubernetes based deployments
Implement and maintain monitoring and data analysis solutions using Grafana and Foxglove
Enforce security best practices, manage access controls, and ensure compliance with industry standards
Maintain Nexus binary repository and manage build dependencies using Conan, Cargo, and Pypi
Work with development and operations teams to identify, troubleshoot, and resolve issues in production and development environments

Qualification

Linux administrationScripting languagesCI/CD toolsContainerizationAzure cloud servicesGitGitHubTroubleshootingClear communicationCreative problem solvingHigh initiative

Required

Bachelor's degree in Computer Science, Software Engineering, or a related field
4+ years of experience in DevOps, infrastructure automation, or cloud engineering
Expertise in Linux server administration
Proficiency in scripting languages (e.g., Bash, Python, Shell Scripting)
Strong experience with Git and GitHub workflows
Hands-on experience with CI/CD tools (e.g., Jenkins, GitHub Actions)
Deep understanding of containerization and orchestration (Docker, Kubernetes, etc)
Experience with Azure cloud services
Ability to diagnose and troubleshoot networking, performance, and deployment issues in production environments
Must be a U.S. citizen with the ability to obtain and maintain a security clearance; an active clearance is strongly preferred

Benefits

Long-term stock incentives
Comprehensive medial, vision, and dental insurance
Three weeks of paid time off per year

Company

Castelion

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Castelion is a defense tech company that applies modern hardware development and manufacturing processes to national security challenges.

Funding

Current Stage
Growth Stage
Total Funding
$469.61M
Key Investors
Lightspeed Venture PartnersSilicon Valley BankAndreessen Horowitz
2025-12-05Series B· $350M
2025-01-29Series A· $70M
2025-01-29Debt Financing· $30M

Leadership Team

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Bryon Hargis
Founder // CEO
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Andrew Kreitz
Co-Founder and CFO
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