Systems Administrator II/III - Cybersecurity

Primary Duties and Responsibilities

• Build, Secure, and Maintain: System administration tasks, upgrades, security hardening, and maintenance of critical systems, including hardware and software components.
• Network Architect: Configure, manage, and troubleshoot Layer 2 and Layer 3 network switches, ensuring a robust and secure network infrastructure.
• Security Champion: Implement and maintain security best practices, including DISA STIGs, and contribute to our compliance with NIST 800-53, NIST 800-171, and CMMC frameworks.
• Troubleshoot and Resolve: Diagnose and resolve complex hardware and software issues, minimizing downtime and ensuring optimal system performance.
• Documentation Master: Create and maintain comprehensive documentation of internal processes, procedures, and system configurations.
• On-Site Support: Travel to customer locations for system installations, upgrades, and repairs (approximately 5% travel).
• End User Support: Provide end-user support for system-related issues, ensuring a positive user experience.

Essential Skills and Experience

• Solid understanding of interfacing subsystems, hardware, and software components.
• Proficiency in Shell/Bash scripting for automation and system management.
• Deep understanding of Red Hat Enterprise Linux (RHEL) administration and networking principles.
• Proven ability to build systems from the ground up and effectively troubleshoot hardware and software issues.
• Able to understand requirements, perform analysis, and document software or system requirements.
• Able to design and develop solutions both independently and collaboratively within a team.
• Excellent multitasking and time management skills.
• Able to clearly document technical solutions for both internal and external audiences.

Desired Skills and Experience

• Extensive experience with Red Hat Enterprise Linux (RHEL) in an enterprise environment.
• Experience with virtualization technologies (e.g., VMware, KVM).
• Familiarity with containerization technologies such as Docker or Podman.
• Experience creating RPM packages for software deployment.
• Experience automating IT tasks using Ansible.
• Experience creating Kickstart installation media.
• Experience implementing DISA STIGs for systems and network devices.
• Familiarity with cybersecurity frameworks, including NIST 800-53, NIST 800-171, and CMMC.

Qualifications

• Education: Bachelor's Degree in Computer Science, Networking, Engineering, Information Technology, or a related field. Equivalent experience, including advanced military technical training (e.g., Navy "C" School) with demonstrated capabilities, will also be considered.
• CompTIA Security+ certification is required or must be obtained within 6 months of employment.
• Experience: Systems Administrator I: Degree Only. Systems Administrator II: 3+ years of relevant experience. Systems Administrator III: 7+ years of relevant experience. Military service or applicable experience can be substituted at a rate of 2 years of service/experience for each year of degree requirement.
• Security Clearance: U.S. citizenship and the ability to obtain and maintain a Secret-level DoD security clearance are required. A current clearance is highly preferred.