Sr System Administration L3 - TS/SCI Poly required

EMTAK LLC; Maryland; On-site; USD 90,000 - 130,000; Full time

Job summary

Emtakllc is seeking a seasoned Linux/Unix Systems Administrator to support Linux-based IT and HPC environments. The role focuses on implementing, troubleshooting, and maintaining enterprise IT systems with a strong emphasis on virtualization and VM management in HPC contexts.

Required TS/SCI polygraph clearance and 10+ years of SA experience; a Bachelor's degree can be substituted with 5 additional years of experience. On-site in Annapolis Junction, MD with enterprise-scale responsibilities.

Qualifications

• 10+ years as Systems Administrator in similar programs.
• TS/SCI polygraph clearance required.
• Five years experience may substitute a Bachelor's degree.

Responsibilities

• Support Linux-based IT systems, HPC environments, and virtualization.
• Configure, install, deploy, and maintain VMs in enterprise and HPC.
• Provide Tier 1 and Tier 2 support and incident resolution.
• Assist users with accessing IT systems and daily operations.
• Configure and manage Linux/Unix OS, networks, storage, and servers.
• Maintain system reliability, performance, and security.

Skills

Linux administration

Unix administration

HPC environments

VM installation/configuration

Virtualized infrastructure

Enterprise IT infra

System monitoring

Performance optimization

Server administration

Tier 1/2 support

Networking basics

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