Systems Administrator; Unix​/Linux - Security Clearance

Position: Systems Administrator (Unix/Linux) - (759) with Security Clearance
EPS Corporation is seeking a highly skilled Senior Systems Administrator (Unix/Linux) to support enterprise-level networks and systems within a secure and mission-critical environment. The ideal candidate will bring deep expertise in Unix/Linux administration, network security, and performance optimization, ensuring system reliability, security, and efficiency. Requirements

Key Responsibilities
* Administer, maintain, and support Unix/Linux operating systems, networks, and software applications.
* Perform system installation, configuration, and integration of hardware, operating systems, and COTS software.
* Manage system backups, recovery procedures, and disaster recovery operations to ensure data integrity and availability.
* Conduct system performance monitoring, tuning, and optimization to maintain operational efficiency.
* Implement and maintain security configurations, access controls, and vulnerability management in accordance with DoD and company standards.
* Troubleshoot hardware, software, and network issues, identifying root causes and implementing corrective actions.
* Manage system resources, user accounts, file systems, and library structures.
* Support and enforce network security policies, including the use of firewalls and intrusion detection/prevention systems.
* Stay current on emerging cyber threats, attack methods, and detection tools to ensure proactive defense.

Required Qualifications ACTIVE TOP SECRET * (3) years of professional experience in Unix and/or Linux system administration of networks and software systems.
* Hands-on experience in:
* System backup and recovery
* Software and security management
* Hardware installation and configuration
* Performance tuning and troubleshooting
* Network administration using protocols such as TCP/IP
* Experience with major network security tools such as firewalls, IDS/IPS, and vulnerability assessment tools.
* Knowledge of computing and networking vulnerabilities, attack vectors, and mitigation/detection methods.
* Must meet DoD 8570 IAT Level III certification requirements (e.g., CISSP, CASP+, or equivalent).
* Must possess an active T5 investigation (Top Secret eligibility or higher).
* Strong analytical, problem-solving, and documentation skills.

Preferred Qualifications
* Experience with automation and configuration management tools (e.g., Ansible, Puppet, Chef).
* Familiarity with cloud or virtualized environments (e.g., VMware, AWS, Azure).
* Knowledge of STIG compliance, RMF, or other DoD cybersecurity frameworks. Desired Skills/Other Considerations EPS Corporation is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. Type of Security Clearance Required Top Secret