Linux System Administrator

LTD Global

Raleigh, United States of America

yesterday

Role details

Contract type

Temporary contract

Employment type

Full-time (> 32 hours)

Working hours

Regular working hours

Languages

English

Experience level

Senior

Job location

Raleigh, United States of America

Tech stack

Secure Shell (SSH)

Microsoft Active Directory

Amazon Web Services (AWS)

Audit Trail

Bash

Cloud Computing

Computer Networks

Linux

File Systems

HAProxy

Python

Kerberos (Protocol)

Network Troubleshooting

Lightweight Directory Access Protocols (LDAP)

Linux System Administration

Linux Servers

Data ONTAP (Server Appliance)

Red Hat Enterprise Linux - RHEL

Ansible

Runbook

Shell Script

Software Vulnerability Management

Scripting (Bash/Python/Go/Ruby)

Data Ingestion

Amazon Web Services (AWS)

Cloudformation

Amazon Web Services (AWS)

Iptables

Performance Monitor

CIS Benchmarks

Terraform

Requirements

Strong experience with Linux administration experience with Red Hat Enterprise Linux: RHEL on AWS platform
Architect, implement, and manage enterprise-grade authentication for Linux servers using Active Directory, SSSD, Kerberos, and LDAP/LDAPS.
Hands-on experience in performance monitoring enablement to manage the Scaling up and down of the environments
Apply STIG/hardening, manage OS-level firewalls, patching cycles, CIS controls, audit logging, SSH hardening, and vulnerability remediation.
Build and maintain automation using Ansible, shell scripting, and Infrastructure-as-Code (Terraform/CloudFormation).
Administer EC2 Linux instances across multiple AWS accounts (Prod / Non-Prod).
Experience with cloud infrastructure, specifically Amazon Web Services (AWS) like VPC, EC2, S3, RDS, ALB, SSM and EBS.
Troubleshoot authentication failures (Kerberos, LDAP), boot failures, kernel panics, network issues, file system issues (AWS ONTAP FSX/EBS/EFS).
Implement proactive alerting, metric dashboards, and log ingestion pipelines.
Strong scripting skills, specifically in Bash or Python
Create and maintain runbooks, architecture diagrams, troubleshooting guides, automation documentation, and onboarding materials for Linux operations.
Proficient with network tools such as iptables, Linux IPVS, HAProxy, etc
Experience with security best practices and implementing security controls in a AWS cloud environment
Linux certifications (RHCT, RHCE and LPIC) will be considered an advantage