Senior Linux Systems Administrator - Onsite TS/SCI

Vantor (Maxar Intelligence); Herndon (VA); On-site; USD 102,000 - 150,000; Full time

Benefits offered by this job

401(k) with company match

Mental health resources

Student loan repayment assistance

Pet insurance

Job summary

Vantor seeks a Linux System Administrator to join the on-site team at our Herndon facility. You will support mission partners through a private cloud and big data platform, working with DevOps and cybersecurity teams using OpenStack, virtualization, and open-source tooling.

You will manage incidents, perform security remediations, upgrade deployments, and help scale the infrastructure while aligning with DoD security requirements.

Qualifications

• US citizen with active Top Secret/SCI clearance and CI poly preferred.
• 8+ years in Linux system administration (RHEL family).
• Experience with physical servers and virtualization (VMs).
• Security certifications per DoD 8570/8140 (e.g., Security+, SSCP, GSEC).
• Experience with OpenStack, Proxmox, VMware virtualization.
• Experience with cloud environments (AWS, Azure, GCP).
• Experience with OpenSSH/remote access tools and secure admin practices.

Responsibilities

• Monitor hardware and software outages on the OpenStack/cloud platform.
• Assist tenants/users via chat for troubleshooting and requests.
• Implement cyber security remediations with the security team.
• Upgrade, deploy, and manage applications on the platform.
• Integrate new hardware into compute clusters and scale infrastructure.
• Review/update existing procedures and documentation.
• Collaborate on hardware planning for recapitalization and expansion.

Skills

Linux system administration

OpenStack

VMware

Proxmox

Kubernetes/Nomad

GitLab workflows

Cyber security tools

RHEL family

Education

Bachelor’s degree in Computer Science

Master’s degree in a related field

Tools

PuTTY

MobaXTerm

Windows RDP

GitLab

Tenable Nessus

Trellix

Flexera

Carbon Black

ArcSight/CRIBL

Job description

Vantor seeks a Linux System Administrator to join the on-site team at our Herndon facility. You will support mission partners through a private cloud and big data platform, working with DevOps and cybersecurity teams using OpenStack, virtualization, and open-source tooling.

You will manage incidents, perform security remediations, upgrade deployments, and help scale the infrastructure while aligning with DoD security requirements.