System Administrator, Senior

Booz Allen Hamilton • Laurel, MD

3h • $77,600 - $176,000 • Onsite

About The Position

Booz Allen is hiring a Senior System Administrator to design, deploy, and maintain Enterprise Cross Domain Solutions in an enterprise environment supporting critical cybersecurity mission customers for the Department of Defense. The role focuses on Linux system administration and improving infrastructure through modern technology and effective implementation strategies.

The administrator will recommend technologies and approaches that improve platform performance and security, support compliance with security controls, and meet system availability and reliability requirements. The role also provides customers with network insight through monitoring and performance management, identifies problem areas and opportunities for improvement, and translates metrics into useful information. As a technical leader, the administrator will help modernize enterprise cross-domain services, provide leadership and mentoring, and help the team develop new methodologies.

The position is onsite in Laurel, Maryland, with an additional location listed in Columbia, Maryland. It requires an active TS/SCI clearance with polygraph and the ability to obtain a DoD 8570.1 IAT Level II compliant certification within 60 days of the start date.

Requirements

• 3+ years of experience with Red Hat Enterprise Linux or Rocky Linux.
• 3+ years of experience with Proxmox.
• Experience with Git.
• Experience managing systems using Infrastructure as Code technologies such as Salt, Ansible, Puppet, PowerShell, Chef, or Terraform.
• Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS.
• Active TS/SCI clearance with a polygraph.
• Bachelor’s degree in a computer science or information technology field and 5+ years of systems or network administration experience, or 10+ years of systems or network administration experience in lieu of a degree.
• Ability to obtain a DoD 8570.1 IAT Level II compliant certification within 60 days of the start date.

Nice To Haves

• Experience with AWS.
• Experience with virtual infrastructure migrations.
• Experience with Python.
• Knowledge of bi-directional network transfer systems.
• DoD 8570.1 IAT Level II compliant certification.

Responsibilities

• Design, deploy, and maintain Enterprise Cross Domain Solutions.
• Improve infrastructure using current technologies and effective implementation strategies.
• Recommend technologies and approaches to improve platform performance and security.
• Support compliance with security controls and system availability and reliability requirements.
• Monitor the network and manage performance to provide customers with insight into their network.
• Identify network problem areas and opportunities for improvement.
• Translate network metrics into useful information and explain their meaning to the team.
• Identify opportunities to modernize the network and improve enterprise cross-domain services.
• Share expertise through technical leadership and mentoring, and help develop new team methodologies.

Benefits

• Health, life, and disability benefits.
• Financial and retirement benefits.
• Paid leave.
• Professional development.
• Tuition assistance.
• Work-life programs.
• Dependent care.
• Recognition awards for exceptional performance and demonstration of company values.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior