Senior System Administrator - DoD Cleared (Linux/Splunk)

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

Job summary

RealmOne is seeking an experienced System Administrator II to support a mission-critical IT environment. The role covers UNIX/Linux/Windows systems, network devices, storage and cloud components, ensuring high availability and security.

You will work within a cross-functional team to implement patches, monitor systems, and troubleshoot complex issues. Ideal candidates hold DoD 8570 IAT II certification, have 10+ years of SA experience in similar contracts, and maintain an active security

Qualifications

• Bachelor's degree in a technical discipline; 4 years SA experience may substitute for degree.
• Ten years of SA experience in programs/contracts of similar scope is required.
• Four years of ITSM experience is required.
• One year experience integrating ServiceNow with other applications is required.
• DoD 8570 compliance Information Assurance Technical (IAT) Level II certification is required.
• Active Security Clearance with polygraph is required.

Responsibilities

• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
• Provide support for implementation, troubleshooting and maintenance of IT systems.
• Manage IT system infrastructure and related processes; monitor and resolve issues across client/server/storage/network devices.
• Coordinate with ISSO/ISO on changes and the Change and Configuration Management Process.
• Support Plan of Action & Milestones (POA&M) milestones and ensure status is reflected in the Source System of Record for Security Authorizations.

Skills

Linux experience

Splunk experience

IAT II certification

Security clearance

Education

Bachelor's degree in a technical discipline

Tools

ServiceNow integration

Job description

RealmOne is seeking an experienced System Administrator II to support a mission-critical IT environment. The role covers UNIX/Linux/Windows systems, network devices, storage and cloud components, ensuring high availability and security.

You will work within a cross-functional team to implement patches, monitor systems, and troubleshoot complex issues. Ideal candidates hold DoD 8570 IAT II certification, have 10+ years of SA experience in similar contracts, and maintain an active security