System Administrator with DoD Clearance & Polygraph

RealmOne; Baltimore (MD); On-site; USD 90,000 - 130,000; Full time

Job summary

RealmOne seeks a skilled System Administrator to support full lifecycle IT resources on a DoD contract. You will handle Tier 1–2 help desk functions, configure and maintain UNIX/Linux/Windows platforms, and ensure security controls are applied. Experience with AWS, Terraform, and code repos is highly valued.

Candidate must have DoD IAT II and an active polygraph clearance. A technical bachelor's and 5 years SA experience are preferred for this role in Maryland/Baltimore.

Qualifications

• Bachelor's degree in a technical discipline; four (4) years SA experience may substitute for a bachelor degree.
• Five (5) years of SA experience in programs/contracts of similar scope, type, and complexity.
• DoD 8570 compliance Information Assurance Technical (IAT) Level II certification.
• Active Security Clearance with appropriate Polygraph.

Responsibilities

• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) support for IT systems.
• Manage day-to-day configuration and operation of IT systems.
• Perform account management: create, activate, modify, disable users.
• Implement and sustain compliance with system security controls.
• Conduct periodic vulnerability scans of systems.
• Implement IAVA security patches and track patch status.
• Support system capacity planning and optimization.
• Leverage Linux, patching, STE/STN, AWS, GitLab/GitHub, Terraform.

Skills

Linux

Patching

STE/STN

AWS

GitLab/GitHub

Terraform

Scripting

VMware

Confluence

Education

Bachelor's degree in a technical discipline

Tools

GitLab

GitHub

Terraform

VMware

Confluence

Job description

RealmOne seeks a skilled System Administrator to support full lifecycle IT resources on a DoD contract. You will handle Tier 1–2 help desk functions, configure and maintain UNIX/Linux/Windows platforms, and ensure security controls are applied. Experience with AWS, Terraform, and code repos is highly valued.

Candidate must have DoD IAT II and an active polygraph clearance. A technical bachelor's and 5 years SA experience are preferred for this role in Maryland/Baltimore.