Senior Classified Systems Administrator - Onsite

Mitre Corporation; El Segundo (CA); Sur place; USD 99 000 - 149 000; Plein temps

Résumé du poste

MITRE is seeking a Systems Administrator to deploy, operate, and maintain IT systems in a classified Los Angeles lab environment. The role requires hands-on work with Windows/Linux, VMware/Hyper-V, and backups, in a secure setting.

Preferred candidates hold TS/SCI clearance or active clearance with CI poly, and experience in a fast-paced, on-site environment. This full-time position supports mission-critical programs and requires collaboration with security and facilities teams.

Qualifications

• Minimum 5 years of related experience with a Bachelor’s degree; or 3 years and a Master’s degree; or a PhD with relevant experience who can immediately contribute at this job step; or equivalent combination of related education and work experience.
• Active Top Secret U.S Government issued Security Clearance with the ability to obtain and maintain a Top Secret/SCI clearance; U.S. citizen required.
• On-site requirement of 5 days a week at the Los Angeles, CA facility and ability to coordinate with security and facilities teams.

Responsabilités

• Deploy, operate, and maintain IT systems in a classified lab environment.
• Patch and update Windows and Linux servers and desktops (RHEL, Ubuntu).
• Manage VMware ESXi, Proxmox, and Hyper-V platforms.
• Maintain backup and recovery systems such as Commvault.
• Coordinate equipment installation, disposition, and audits with security and facilities teams.
• Support Site Operations and escort cleared/uncleared visitors.

Connaissances

Server & desktop OS knowledge

Lab IT architecture understanding

Network & OS hardening

Command-line proficiency

Customer service

Collaboration

Security clearance

On-site work commitment

Formation

Bachelor’s degree

Master’s degree

PhD

Outils

VMware ESXi

Proxmox

Hyper-V

Commvault

GitLab

Prometheus/Grafana

Docker

VSCode

PyPI mirrors

SIEMs

Description du poste

MITRE is seeking a Systems Administrator to deploy, operate, and maintain IT systems in a classified Los Angeles lab environment. The role requires hands-on work with Windows/Linux, VMware/Hyper-V, and backups, in a secure setting.

Preferred candidates hold TS/SCI clearance or active clearance with CI poly, and experience in a fast-paced, on-site environment. This full-time position supports mission-critical programs and requires collaboration with security and facilities teams.