Senior Linux Systems Engineer (TS/SCI) – Hybrid/Remote

Shield Consulting Solutions; Laurel (MD); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

PTO 25 days

Holiday pay 11 days

Health insurance coverage

401(k) employer match

Job summary

Shield Consulting Solutions seeks a highly experienced System Engineer with TS/SCI w/Poly to sustain and advance our Linux/Unix infrastructure in a secure, virtual environment. You will manage kernel-level tasks, operating systems, and virtualization across Dell/HP hardware, NetApp storage, and central patching tools.

Role requires deep expertise in Red Hat Linux, Windows, Centrify for Linux, and security tooling such as Nessus and McAfee.

Qualifications

• Strong and deep Linux & Unix System Engineering skills in both physical and virtual server environments.
• Supports RHEL7+, Windows 2012+, and VMWare ESXi servers in a virtual enclave environment.
• Installs security tools and manages patching to maintain compliance.

Responsibilities

• Strong and deep Linux & Unix System Engineering skills in both physical and virtual server environments supporting infrastructure management, including managing kernels; installing and maintaining operating systems, configuring hardware/software utilizing monitoring techniques, troubleshooting, and sustaining the operational health of the infrastructure.
• Supports RHEL7+, Windows 2012+, and VMWare ESXi servers in a virtual enclave environment.
• Supports Active Directory with Centrify integration for Linux systems. Account creation and assigning users to Linux systems via Centrify and DELL Active Roles for assignment of groups.
• Installs McAfee and Nessus Agent software, performing Nessus scanning in accordance with agency approved tools.
• Configures, maintains, and troubleshoots servers. Upgrades memory, swap, and hard disk space for DELL, HP, and custom-built servers.
• Executes storage data migrations from Legacy NetApp equipment to the latest storage solutions.
• Patches systems using Red Hat Satellite server, WSUS Servers. Manages and installs IAVA and CVE patches to maintain ATO compliance; installing software and running hardening scripts to meet STE/STN requirements.

Skills

Linux administration

Unix systems

VMware ESXi

Active Directory

Centrify

Nessus

Patch management

Red Hat Satellite

Security+ certification

Scripting (bash/PowerShell)

Education

Bachelor’s degree in a technical discipline

Tools

Dell servers

HP servers

NetApp storage

WSUS

Job description

Shield Consulting Solutions seeks a highly experienced System Engineer with TS/SCI w/Poly to sustain and advance our Linux/Unix infrastructure in a secure, virtual environment. You will manage kernel-level tasks, operating systems, and virtualization across Dell/HP hardware, NetApp storage, and central patching tools.

Role requires deep expertise in Red Hat Linux, Windows, Centrify for Linux, and security tooling such as Nessus and McAfee.