Mission-Critical System Administrator (TS/SCI)

Cryptic Vector; Springboro (OH); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Bonus

401(k) contribution

Paid time off

Flexible hours

Tuition reimbursement

Job summary

Cryptic Vector is seeking a hands-on System Administrator to support mission-critical, classified programs. You will manage Linux/Windows, Docker services, virtualization, GitLab, and Azure, while ensuring security and compliance in air-gapped environments.

The role requires a TS clearance with SCI eligibility, experience with containerized systems, and strong scripting abilities. This on-site position offers competitive pay and benefits in the Washington, DC area and surrounding regions.

Qualifications

• 3+ years of experience managing Docker-based applications in production.
• Strong Linux and Windows system administration skills.
• Current TS security clearance with SCI eligibility.
• Experience administering air-gapped classified networks.
• Hands-on Bash, Python, and PowerShell scripting.
• Experience configuring Kerberos and enterprise IAM/security.
• Familiarity with SSH and secure configuration practices.
• Security+ certification or ability to obtain it.

Responsibilities

• Manage Docker-based services and containerized apps in secure production environments.
• Deploy, patch, monitor, and troubleshoot virtualized systems in classified environments.
• Maintain and monitor service health; proactively identify issues.
• Plan monthly OS, app, and infra patching with minimal mission impact.
• Develop and test backup/recovery strategies for critical systems.
• Administer GitLab repos, access, CI/CD pipelines, runners, and health.
• Maintain Azure environments and integration points across SDLC.
• Perform auditing, logging, and compliance monitoring for security requirements.
• Support high-side mission systems and air-gapped networks.
• Collaborate with users to understand objectives and resolve issues.
• Stay current with DevSecOps practices and automation improvements.

Skills

Docker-based apps

Linux admin

Windows admin

Scripting (Bash, PowerShell, Python)

Network administration

TS security clearance

Air-gapped networks

PKI/cryptography concepts

Kerberos

SSH/IAM/Safe configs

Security+ certification

Tools

GitLab

Azure

Job description

Cryptic Vector is seeking a hands-on System Administrator to support mission-critical, classified programs. You will manage Linux/Windows, Docker services, virtualization, GitLab, and Azure, while ensuring security and compliance in air-gapped environments.

The role requires a TS clearance with SCI eligibility, experience with containerized systems, and strong scripting abilities. This on-site position offers competitive pay and benefits in the Washington, DC area and surrounding regions.