Senior Systems Administrator (Unix

Atlas Distributing • Dahlgren, VA

20d • Onsite

About The Position

RTL Networks has an exciting opportunity for a DoD SECRET cleared Senior Systems Administrator (Unix/Linux) to join our team supporting the Naval Surface Warfare Center Dahlgren Division (NSWCDD). This position will be supporting NSWCDD's mission to modernize, optimize, and simplify its IT environment and mature its IT Service Management (ITSM) practices to achieve measurable improvements and desired oues. Primary Responsibilities: Essential responsibilities of the Senior Systems Administrator (Unix/Linux) include, but are not limited to: Provides system administration and operations support across multiple environments (Windows, Linux, UNIX, macOS, Solaris, AIX, etc.), including installation, patching, backup, recovery, andpliance with DISA STIG and cybersecurity requirements. Manages hardware lifecycle activities such as diagnostics, vendor coordination, upgrades, relocations, and technology refresh planning, while updating asset databases and documentation.

Requirements

• Master's level degree in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems.
• Six (6) years of professional experience in Unix and/or Linux system administration of networks and software systems.
• Experience in system backup and recovery; basic software management; security management and library management; installation and configuration of hardware; operational systems and COTS software; operatingputer systems in different operating environments; and sizing, performance, tuning, hardware/software/network trouble shooting and resource allocation.
• Qualified experience in different network protocols including TCP/IP and major network security tools such as: firewalls, knowledge ofputing and networking vulnerabilities, attach methods and latest detection methods.
• Must currently hold a security clearance at the Secret level.
• US Citizenship is a requirement for clearance at this location.
• IAT Level III (CASP+, CISSP, etc.)

Responsibilities

• Provides system administration and operations support across multiple environments (Windows, Linux, UNIX, macOS, Solaris, AIX, etc.), including installation, patching, backup, recovery, andpliance with DISA STIG and cybersecurity requirements.
• Manages hardware lifecycle activities such as diagnostics, vendor coordination, upgrades, relocations, and technology refresh planning, while updating asset databases and documentation.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 101-250 employees