Linux System Administrator

ARETUM, a leading government contracting company specializing in technology-enabled mission support services, is seeking a skilled and experienced Linux System Administrator to join our team. As a Linux System Administrator at ARETUM, you will be responsible for the installation, configuration, and maintenance of Linux systems and servers. You will work closely with the development team to ensure the proper functioning and security of the Linux infrastructure.

ARETUM is known for providing cutting-edge solutions and outstanding service to Federal clients in various sectors, including Next Generation Analytics, Engineering Services, Training Services, IT Systems, Cyber Security, PMO Support, and Financial Consulting. Our mission is to deliver technology-driven solutions that meet the unique needs of our government clients, enabling them to achieve their objectives effectively and efficiently.

Responsibilities

• Work as the technical expert responsible for the engineering, implementation, installation, operation, and maintenance of Red Hat Enterprise Linux. Supporting a system modernization effort that encompasses maintaining and standing up a Linux platform, and development of a new application if required
• Perform day–to–day operations and interface with internal and external clients to support system operations on RHEL and Apache HTTPD/Tomcat
• Apply in depth knowledge of the Defense Information Systems Agency (DISA) Security Technical Information Guidelines (STIG) to install, configure and setup Linux environments under mandatory security requirements
• This position requires strong technical skills in areas such as computer networking, software installation, and Linux system administration.
• Perform general IT requirements, installation, configuration, maintenance, and security in a classified or unclassified network environment
• Administer server operating systems including performance monitoring, operations planning, troubleshooting and preventative maintenance
• Have the ability to harden systems to be in compliance with DoD RMF policies.
• Create and/or maintain end-user documentation for operating procedures
• Maintain current knowledge of DoD security, technical guidelines and organizational policies
• Ability to work during non-business hours and participate on-call rotation. Provide 24/7/365 Tier 3 response to any/all outages or out-of-parameter conditions within 15 minutes of occurrence and ensure email notification to customer upon initiation of response.

Requirements

• 10+ years of experience administering, installing, and implementing complex Linux-based systems and software systems/solutions.
• Experience with installation, configuration, and administration of Apache HTTPD and Tomcat
• Experience with virtualization technologies.
• Active Top Secret clearance required
• Ability to multitask and function in a fast-paced environment

Qualifications:

• A minimum of a Bachelor’s Degree
• Top Secret Clearance
• DoD 8570 IAT Level II certification (e.g., CompTIA Security + CE or equivalent) is required

ARETUM is an equal opportunity employer, committed to diversity and inclusion. All qualified candidates will receive equal consideration for employment without regard to disability, race, color, religious creed, national origin, sexual orientation/gender identity, or age.

ARETUM utilizes e-Verify to check employment authorization.

EEO/AA/F/M/Vet/Disabled.