SCI with Polygraph required)

Red Alpha•Annapolis Junction, MD

1d•Onsite

About The Position

We are seeking a Senior Linux System Administrator/Engineer to support a highly available, mission-critical enterprise environment serving the Intelligence Community. This role is responsible for administering, maintaining, and optimizing Linux-based infrastructure, virtualized environments, and application platforms. The ideal candidate will have extensive experience with Red Hat/CentOS systems, VMware, system security, and enterprise application support, with a strong focus on operational reliability, performance, and compliance. Multiple shifts are available for this position include day (8 AM - 5 PM), night, and weekend shifts (12 hours).

Requirements

BS in Computer Science or a technical discipline from an accredited institution. Four (4) additional years of experience may be accepted in lieu of a degree.
10+ years of relevant experience in systems administration.
Security+ certification
Proficiency with Linux (CentOS, RHEL)
Extensive experience installing, configuring, and maintaining JBoss and/or Wildfly
Experience with VMWare - VM creation, configuration, and operation

Nice To Haves

Linux Administration Certification
Experience with RH Ansible
Familiarity with Oracle Databases and possibly DBA experience
Experience with storage, networking, security compliance, scripting (Python, Shell)

Responsibilities

Administer, maintain, and troubleshoot enterprise Linux environments (RHEL/CentOS).
Support mission-critical infrastructure to ensure high availability, stability, and security.
Install, configure, maintain, and support JBoss application servers.
Create, configure, and manage VMware virtual machines and supporting infrastructure.
Implement system hardening, security controls, and compliance requirements.
Automate system administration tasks using Ansible, Terraform, shell scripting, and Python.
Manage and support physical servers, storage systems, networking, authentication services, and related infrastructure components.
Monitor system performance, identify issues, and perform troubleshooting and root cause analysis.
Support system integration efforts and collaborate with cross-functional technical teams.
Assist with Oracle database administration activities and support applications utilizing JSON-based data exchange.