Sr System Administration L3 - TS/SCI Poly required

Emtakllc; Annapolis (MD); On-site; USD 120,000 - 170,000; Full time

Job summary

Emtakllc is seeking a Sr System Administrator in Annapolis Junction, MD, to support Linux-based IT systems, HPC environments, and virtualized infrastructure. The role emphasizes hands-on Linux/Unix administration, VM installation, configuration, and ongoing operations.

The ideal candidate has extensive SA experience, with TS/SCI Poly requirements, and will provide Tier 1 and Tier 2 support, monitor systems, and collaborate with users and management to maintain secure, reliable IT services.

Qualifications

• 10 years of experience as a Systems Administrator.
• Bachelor's degree may be substituted with 5 additional years of SA experience.
• Strong Linux/Unix administration experience in enterprise IT environments.

Responsibilities

• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) support.
• Configure, install, deploy, and maintain virtual machines (VMs) in HPC environments.
• Manage Linux/Unix operating systems and system integrity.
• Monitor, troubleshoot, and optimize enterprise IT infrastructure.
• Assist users with accessing and utilizing IT systems.
• Escalate technical issues and communicate status updates to management and customers.

Skills

Linux

Unix

HPC

VM deployment

Education

Bachelor's degree in related field

Job description

Sr System Administration L3 - TS/SCI Poly required

• Annapolis Junction, MD
• Computer/Software

We are looking for a Linux / HPC Systems Administrator to support the implementation, troubleshooting, and maintenance of enterprise IT systems, with a primary focus on Linux-based infrastructure, High-Performance Computing (HPC) environments, and virtualized systems. The ideal candidate will have strong Linux and Unix administration experience, including hands-on experience configuring, installing, and supporting virtual machines (VMs), while supporting daily system operations, monitoring, troubleshooting, and maintaining complex computing infrastructure.

Key Responsibilities

Provide support for the implementation, troubleshooting, and maintenance of Linux-based IT systems.

Manage daily activities related to the configuration and operation of IT systems.

Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution.

Assist users with accessing and utilizing IT systems.

Support day-to-day operations, monitoring, and problem resolution across client/server, storage, network, and computing infrastructure.

Configure, install, deploy, and maintain virtual machines (VMs) in enterprise and HPC environments.

Troubleshoot and support virtualized systems, including operating system installation, configuration, performance, and system connectivity.

Support hardware and dispatch-related issues, remaining engaged through resolution.

Support secure data transfers, Customer Secure the Enterprise (STE) activities, and STE/STN operations.

Escalate technical issues and communicate status updates to agency management and internal customers.

Configure and manage Linux and Unix operating systems, including installation, maintenance, troubleshooting, and system integrity.

Install and load operating system software and implement enhancements to improve system reliability and performance.

Configure and maintain network components supporting enterprise IT environments.

Required Qualifications

Ten (10) years of experience as a Systems Administrator (SA) supporting programs and contracts of similar scope, type, and complexity.

Five (5) additional years of Systems Administrator experience may be substituted for a bachelor's degree.

Core Skills

Linux and Unix system administration.

High-Performance Computing (HPC) environments.

Virtual machine (VM) installation, configuration, deployment, and support.

Virtualized infrastructure administration and troubleshooting.

Enterprise IT infrastructure and systems operations.

System monitoring, troubleshooting, and performance optimization.

Server, storage, and network administration.

Tier 1 and Tier 2 technical support.

Operating system installation, configuration, and maintenance