Senior AWS & Linux SysAdmin (TS/SCI) | Fort Meade

Themis Insight; Fort Meade (MD); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health premiums

401k match

Holidays & PTO

Career development

Referral bonuses

Job summary

Themis Insight is seeking a Sr. System Administrator (AWS, Linux) to support Fort Meade-area IT infrastructure. You will manage UNIX/Linux/Windows servers, deploy patches, monitor networks, and coordinate with ISSO/ISO on security controls to ensure compliance.

Ideal candidates hold TS/SCI with Polygraph and have strong AWS/Linux expertise, VM experience, and a proven ability to keep systems reliable and secure in a mission-critical environment.

Qualifications

• TS/SCI with Polygraph required.
• Bachelor’s degree in a technical discipline required; four years SA substitution noted.
• Ten years of SA experience and four years ITSM experience required.
• Strong AWS and Linux support experience required (RHEL 9).
• Experience with VMs and SQL Server familiarity helpful.

Responsibilities

• Provide support for implementation, troubleshooting and maintenance of IT systems.
• Configure and manage UNIX, Linux and Windows operating systems and related software.
• Implement security patches and ensure patch status in systems of record.
• Support escalation and communication of status to agency management and internal customers.
• Coordinate with ISSO/ISO regarding system changes and security plans.
• Monitor and optimize system capacity and performance.

Skills

AWS

Linux

RHEL 9

Patching

VMs

SQL Server

Education

Bachelor’s degree in a technical discipline

Job description

Themis Insight is seeking a Sr. System Administrator (AWS, Linux) to support Fort Meade-area IT infrastructure. You will manage UNIX/Linux/Windows servers, deploy patches, monitor networks, and coordinate with ISSO/ISO on security controls to ensure compliance.

Ideal candidates hold TS/SCI with Polygraph and have strong AWS/Linux expertise, VM experience, and a proven ability to keep systems reliable and secure in a mission-critical environment.