Senior Linux System Administrator- Raleigh, NC - Hybrid

Infoorigin inc -

Raleigh, United States of America

yesterday

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Working hours

Shift work

Languages

English

Experience level

Senior

Compensation

$ 156K

Job location

Raleigh, United States of America

Tech stack

Microsoft Active Directory

Amazon Web Services (AWS)

Audit Trail

User Authentication

Automation of Tests

Bash

Linux

Disaster Recovery

File Systems

HAProxy

Monitoring of Systems

Identity and Access Management

Python

Kerberos (Protocol)

Lightweight Directory Access Protocols (LDAP)

Linux System Administration

Network Diagnostics

Package Management Systems

Performance Tuning

Role-Based Access Control

Red Hat Enterprise Linux - RHEL

Ansible

Shell Script

Software Vulnerability Management

Scripting (Bash/Python/Go/Ruby)

HybridCloud

Amazon Web Services (AWS)

Cloudformation

Amazon Web Services (AWS)

Iptables

Performance Monitor

CIS Benchmarks

Terraform

Job description

Install, configure, and maintain Linux (RHEL) systems on AWS/Hybrid Cloud
Deploy and manage AWS infrastructure (EC2, S3, RDS, EBS, FSx, EFS)
Perform system monitoring, performance tuning, and troubleshooting
Manage user access, permissions, and security policies (RBAC, sudo)
Execute patching, upgrades, and package management
Implement system hardening and security best practices (STIG, CIS controls)
Handle backup, recovery, and disaster recovery processes
Build and maintain automation scripts and infrastructure (Ansible, Terraform)
Troubleshoot issues including:

Authentication failures (Kerberos, LDAP)
Kernel/boot failures
Network and file system issues

Collaborate with development and operations teams for deployments
Maintain documentation (runbooks, architecture diagrams, SOPs)
Provide technical support and ensure system stability

Requirements

3+ years of experience in Linux Administration (Red Hat Enterprise Linux - RHEL) on AWS
3+ years of hands-on experience with AWS services (EC2, S3, RDS, VPC, EBS, etc.)
5+ years of experience with authentication systems (Active Directory, Kerberos, LDAP/LDAPS, SSSD)
7+ years of experience in security hardening, patching, and vulnerability management
3+ years of experience in automation tools (Ansible, Terraform, CloudFormation)
Strong experience in Bash/Python scripting (7+ years preferred)
Experience in system monitoring, performance tuning, and scaling environments
Knowledge of networking tools (iptables, HAProxy, Linux IPVS)
Experience working in AWS multi-account environments (Prod/Non-Prod)
Familiarity with backup, recovery, and disaster management processes
Linux certifications (RHCE, RHCT, LPIC) are a plus
Willingness to be on-call (evenings/weekends), * Linux Administration (RHEL)
AWS Cloud (EC2, S3, RDS, VPC, EBS, EFS, FSx, ALB, SSM)
Shell Scripting (Bash, Python)
Infrastructure as Code (Terraform, CloudFormation)
Automation (Ansible)