Linux System Administrator

Radiance, supporting major Air Force programs in Dayton OH, is searching for an experienced Red Hat Linux System Administrator to support critical IT resources at the National Air and Space Intelligence Center (NASIC). The qualified candidate will provide maintenance, sustainment, and enhancement to the IT architecture in a classified environment; ensure compliance with applicable information assurance requirements; ensure 24/7 continuity of operations;

and create and update relevant system documents. Work hours are normal business hours, however, occasional support during non-business hours will be required.

• Great attitude with high degree of customer focus
• Flexible and adaptable to changing priorities
• Solid trouble‑shooter, problem solver
• Quick learner; open to learning new things
• Reliable and committed to getting the job done (including after hours as occasionally required)
• Excellent coping skills and the ability to juggle multiple priorities
• Possesses the desire to “do things the right way”, follows industry standard processes and guidelines

• Perform installation and maintenance of Linux servers and network systems.
• Provide backup and recovery services; manage file systems and disk space.
• Install and maintain Linux servers and network systems.
• Test updates to enterprise system software to ensure compatibility and minimize user impact.
• Develop and document technical processes and procedures as needed.
• Perform performance and network tuning.
• Develop best practices with respect to process and documentation/templates.

• Active Top‑Secret clearance with immediate SCI eligibility.
• Knowledge of Intelli Earth Integrator Software.
• Experience with PostgreSQL database installations and backups.
• 5+ years of relevant experience with a Bachelor’s Degree in Computer Science/Information Technology or 10+ years of relevant experience without a degree.
• Experience administering Red Hat Enterprise Linux (RHEL) 7/8 servers in a classified environment.
• Knowledge of security operations such as security safeguards administration and information assurance.
• Network security certification such as Security+ (minimum) or higher.

• Other Linux O/S knowledge also helpful (CentOS, Rocky Linux).
• Experience installing, configuring, and maintaining Tomcat, Apache, and other webserver installations using PKI infrastructure.
• Experience with scripting languages and automation.
• Familiarity with load balancing, firewalls and network tools.

Radiance Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.