IT Network Administrator

Radiance Technologies is seeking an IT Network Administrator to join our IT team in Dayton, OH. This position is responsible for maintaining and improving our network infrastructure, supporting end users, and helping ensure the security and reliability of our IT environment. The ideal candidate will have experience administering enterprise networks, troubleshooting complex issues, and working with modern networking and security technologies. Behavioral Competencies Positive attitude and strong customer-service focus Flexibility and adaptability to changing priorities Strong troubleshooting and problem-solving skills Reliability and commitment to completing tasks and projects Ability to manage multiple priorities effectively Self-motivated and able to work independently or as part of a team Strong written and verbal communication skills Job Responsibilities Support and maintain enterprise network infrastructure including switches, routers, firewalls, wireless systems, and VPN technologies. Configure, monitor, and troubleshoot networking equipment from vendors such as Fortinet, HPE Aruba, Cisco, and Palo Alto. Assist with network design, upgrades, and infrastructure improvement projects. Maintain network documentation, diagrams, and standard operating procedures. Monitor system performance and assist with vulnerability remediation and security improvements. Work with internal stakeholders to identify requirements and implement reliable technology solutions. Provide end-user support Required Qualifications Bachelor’s degree in Computer Science, Information Systems, Network Engineering, Cybersecurity, or a related field with 2+ years of relevant experience; OR Minimum of 5 years of recent experience supporting enterprise IT infrastructure and networking environments. US Citizenship with the ability to obtain and maintain a security clearance. Current CompTIA Security+ certification (or equivalent DoD 8140-approved baseline certification). Required Experience Experience administering enterprise network infrastructure including switching, routing, wireless, and firewall technologies. Experience with Fortinet, HPE Aruba, Cisco, and/or Palo Alto networking and security solutions. Working knowledge of TCP/IP networking, VLANs, routing, DNS, DHCP, VPNs, network segmentation, and access controls. Experience with Microsoft Active Directory, Microsoft 365, and Entra ID. Experience supporting Windows desktop and server operating systems. Experience with Azure and/or AWS cloud environments. Familiarity with NIST SP 800-171 and CMMC Level 2 requirements. Experience implementing cybersecurity best practices, system hardening, vulnerability remediation, and secure configuration management. Desired Qualifications DoD 8140 IAT Level II compliance. Security+, CCNA, Fortinet, Aruba, Palo Alto, or similar industry certifications. Experience with security monitoring, vulnerability management, and SIEM platforms. Experience with VMware and endpoint security technologies. Familiarity with DFARS, NIST SP 800-53, Zero Trust concepts, and cybersecurity compliance initiatives. Experience supporting disaster recovery and business continuity planning. 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. Our growth is creating great opportunities! Our team is expanding, and we want to hire the most talented people we can. Continued success depends on it! So once you've had a chance to explore our current open positions, apply to the ones you feel suit you best and keep track of both your progress in the selection process, and new postings that might interest you! Thanks for your interest in working on our team!! Employee-Ownership Radiance is a proud employee-owned company! Employee-ownership benefits both our customers and workforce, and ensures that Radiance doesn’t have to answer to stockholders or be driven by quarterly earnings reports. Thus, Radiance will always prioritize enhancing our customer’s mission over expanding our bottom line. We are singularly focused on providing our customers with game-changing solutions to their most challenging requirements. This is only possible because employee-ownership attracts the highest quality employees, empowers them to identify capability enhancements, and provides them with the freedom to take risks to deliver high-quality solutions. Employee-ownership also provides tangible and long-term financial security for our people and their families. Therefore, employee-ownership embodies participation, empowerment, freedom, teaming, excellence, accountability, mission focus, and security. Our Culture Radiance’s culture is driven by our commitment to our customers and our employee-owners. Our employee-owners thrive on entrepreneurship, empowerment, and mutual responsibility for growth and sustainability. Our culture consists of individuals who embody technical and leadership skills to deliver superior solutions to the nation’s toughest technical challenges. We believe building trust and credibility with our customers leads to long-term results. We invest in a superior technical workforce where leaders are developed, innovation is encouraged, and achievements are recognized. We seek innovative ways to improve, experiment, take risks, foster collaboration, and empower our employee-owners. Our Values Our values drive our culture, business model, and daily interactions. These values constantly remind us of who we are and what we do. Our employee-owners influence how we operate our business. We relentlessly pursue operating excellence by innovating, improving our processes, and reducing waste. We believe in being wise and ethical stewards of capital and resources. Our values dictate how we interact with each other and our customers, partners, and suppliers. Honesty, trust, humanity, alignment, and value creation require that we treat our employees with dignity and respect and provide them with fair compensation and equal employment opportunity. We believe in connecting with our communities and have a responsibility to be good corporate citizens, and we believe in sustainable business practices, which include supporting the environment and the communities in which we work.