System Administrator

Radiance Technologies • Full-time • Corporate Headquarters, United States of America • 2w ago

Radiance Technologies is an employee-owned company with benefits that are unmatched by most companies in the Huntsville AL area. Employee ownership, generous 401K, full health/dental/life/vision insurance benefits, interesting assignments, educational reimbursement, competitive salaries, and a pleasant work environment combine to make Radiance Technologies a great place to work and succeed.

Radiance is searching for an experienced Systems Administrator to provide support to critical computer systems and network infrastructure at the corporate facility. The qualified candidate will provide design, maintenance, sustainment, and enhancement support for the 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 may be required.

Successful candidates will have the following behavioral competencies:

Great attitude with high degree of customer focus.
Flexible and adaptable to changing priorities.
Solid trouble-shooter, problem solver.
Reliable and committed to getting the job done (including after hours as required).
Excellent coping skills and the ability to juggle multiple priorities.
Self-managed; able to work independently or with a team as well as the leadership skills necessary to lead a group of technical team members as required.
Able to be objective and receive input from specialized team members according to their areas of expertise.

Job Responsibilities:

Install, configure, and maintain servers, desktops, and network devices in WAN/LAN environment and in accordance with applicable cybersecurity policies.
Responsible for Patch Management for a fleet of information systems, including Windows and Linux operating systems.
Perform hardware/software implementation and integration, and general infrastructure support.
Prepare documentation related to system configurations and baselines.
Responsible for providing backup and recovery services; manage file systems and disk space.
Provide daily, on-site, support for the operations/maintenance.
Performs troubleshooting for hardware, software, and network problems.
Responsible for user account and access control management in a domain or stand-alone environment.

Required Experience

Minimum seven (7) years of experience as a System Administrator performing the patching, installation, configuration, maintenance, and flaw remediation of servers, workstations, and other computer components in accordance with all applicable STIGs on a classified network.
Basic knowledge of Risk Management Framework requirements and how they impact the configuration requirements for Windows and Linux systems.
Working knowledge of network concepts and Type 1 encryption devices, such as TACLANE.
Experience configuring and securing network equipment (switches and firewalls).
Demonstrated experience deploying and managing multiple networks in a dynamic, demanding air-gapped classified environment.
Working knowledge of WAN/LAN, to include Cisco-based routers, switches, and firewalls

Required Qualifications

Excellent written and verbal communication skills and ability to effectively interface with numerous cognizant security agencies, customers, and senior management.
Ability to manage multiple networks in a dynamic, demanding environment.
Minimum of a valid Secret clearance with in-scope background investigation date.
DoD Directive 8570 / 8140 Information Assurance Technical (IAT) Level II certification. (e.g., Security+ CE, CCNA Security, CySA+, GICSP, GSEC, CND, SSCP)
Prior experience as a System Administrator at an organization of similar size and complexity.
Understanding networking concepts and cybersecurity related tools to include, Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIG) and Security Content Automation Protocol (SCAP), and vulnerability scanners.
Ability to work in an agile environment, with a focus on continuous improvement and delivery.

Desired Qualifications

Basic knowledge of Risk Management Framework such as DAAPM, JSIG, and NIST/DFARS compliance security controls requirements and how they impact the IT configuration requirements for Windows and Linux systems.
Strong risk management skills, excellent communication, teamwork, and conflict management skills.
Strong problem-solving skills, with the ability to read documentation and find solutions to technical issues independently.
Demonstrated experience with integrating Linux workstations and servers with Windows Active Directory.
Experience with configuring and executing SIEM tools (e.g. Splunk, ELK), vulnerability management tools (Tenable Nessus), Network Storage devices (e.g. NetApp, Synology, etc.), monitoring tools (e.g. Wireshark, Snort, PRTG, etc.), and compliance tools (e.g. SCAP, SCC Tool, OpenSCAP, etc.).
Experience with providing backup and recovery services; managing file systems and disk space.
Experience with desktop and server virtualization using VMWare vSphere and EXSI.

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.

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