Senior Linux Systems Administrator - Cloud/Containers

RealmOne; Columbia (MD); On-site; USD 105,000 - 223,000; Full time

Benefits offered by this job

Healthcare Coverage + Insurance

Retirement + Savings: 401K

PTO + Holidays

Job summary

RealmOne in Columbia, MD, seeks a senior System Administrator to support enterprise IT environments, spanning multi-level Linux systems, cloud, storage, and networking. The role emphasizes system design, troubleshooting, and mission-critical operations for government and commercial customers.

Qualified candidates bring extensive SA experience, active clearance eligibility, and a strong background in PKI/TLS, virtualization, and automation.

Qualifications

• Five years of SA experience required for Level 1; degree may be substituted with additional SA experience.
• Ten years of SA experience for Level 2; degree required.
• Fifteen years of SA experience for Level 3; IAT Level 2 certification is required.

Responsibilities

• Provide support for implementation, troubleshooting and maintenance of IT systems.
• Manage day-to-day operations, configuration, and monitoring of client/server/storage/network devices.
• Assist users in accessing and using IT systems and resolve escalated issues.
• Configure Linux OS, load software, and ensure system reliability and performance.

Skills

Linux

Cloud/Containers

Storage management

Virtualization

IP networking

Firewall experience

PKI/TLS/crypto

Automation tools

Education

Bachelor's degree in a technical discipline

Job description

RealmOne in Columbia, MD, seeks a senior System Administrator to support enterprise IT environments, spanning multi-level Linux systems, cloud, storage, and networking. The role emphasizes system design, troubleshooting, and mission-critical operations for government and commercial customers.

Qualified candidates bring extensive SA experience, active clearance eligibility, and a strong background in PKI/TLS, virtualization, and automation.