Senior Staff Systems Administrator
Core
Senior Staff Systems Administrator ensuring secure, reliable enterprise system networks across cloud and on-premises environments for critical missions.
Role type
Senior Staff Systems Administrator (Infrastructure & Security)
Builds
Secure, scalable, and automated infrastructure supporting space, defense, and healthcare systems
Domain
Defense/Space, Cloud Infrastructure, Cybersecurity
Deliverable
production ML models | infrastructure
Required skills
Linux systems administration, Cloud IAM (AWS), Networking (DNS, DHCP, VLANs, firewalls, routing), Automation (Ansible, Terraform, Kubernetes, Docker, Packer), Troubleshooting, Mentoring, Documentation, Jira/Confluence management
Preferred skills
CISSP or CEH certification, Advanced Linux certifications (RHCE, LPIC-3), CI/CD pipelines, DevSecOps practices
Technologies
Ansible, Terraform, Kubernetes, Docker, Packer, AWS, Confluence, Jira
Responsibilities
Maintain and support enterprise system networks across cloud and on-premises environments; Perform daily maintenance, monitoring, and troubleshooting of applications, networking, and systems infrastructure; Serve as senior escalation point for complex infrastructure incidents; Design and implement automation workflows; Administer cloud identity and access management (IAM); Actively mentor and develop junior and mid-level administrators; Own documentation standards in Confluence; Manage work scope and risk through Jira
Seniority
Senior Staff, hands-on IC with mentorship responsibilities