Security-Cleared Lead Linux Systems Administrator

SciTec Incorporated; Town of Aurora (NY); On-site; USD 149,000 - 184,000; Full time

Benefits offered by this job

4% Safe Harbor 401(k) match

100% company paid health insurance

Discretionary performance bonus

Paid parental leave

Generous paid time off

Flexible work hours

Job summary

SciTec, a subsidiary of Firefly Aerospace, is seeking an experienced Linux System Administrator to join our defense programs delivering OPIR sensor data processing in a secure environment.

The ideal candidate has 8+ years of Linux administration (RHEL), TS clearance, and hands-on experience with VMware, Docker/Podman, Kubernetes, and security hardening (STIG/SCAP). You will lead a small team, maintain baselines, patches, backups, and participate in modernization initiatives.

Qualifications

• 8+ years of Linux administration experience.
• Active Top Secret clearance.
• Experience with RHEL 8 servers/workstations, STIG, SCAP, patch management.
• Virtualization technologies including VMware, Podman, Docker, Kubernetes/OpenShift.
• Networking across Linux/Windows environments; strong communication skills.

Responsibilities

• Lead the System Administrator group to ensure operational excellence.
• Install, configure, and maintain RHEL workstations and servers.
• Implement system security, backups, auditing, and compliance.
• Patch, package management, and virtualization maintenance.
• Collaborate with security, IT, and end users; support modernization efforts.

Skills

Linux admin

RHEL

VMware

Docker/Podman

Kubernetes

Security hardening

SCAP/STIG

Networking

Documentation

Team leadership

Education

Bachelor’s degree in IT/related

Tools

Git/GitLab

CI/CD pipelines

Ansible

Python

Job description

SciTec, a subsidiary of Firefly Aerospace, is seeking an experienced Linux System Administrator to join our defense programs delivering OPIR sensor data processing in a secure environment.

The ideal candidate has 8+ years of Linux administration (RHEL), TS clearance, and hands-on experience with VMware, Docker/Podman, Kubernetes, and security hardening (STIG/SCAP). You will lead a small team, maintain baselines, patches, backups, and participate in modernization initiatives.