Sr. Network Security Administrator

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Job details:
This Jobot Job is hosted by:
Ellie Staver. Are you a fit? Easy Apply now by clicking the "Easy Apply" button and sending us your resume. Salary: $105,000 - $140,000 per year.

We are seeking a skilled Network Security Administrator to join a leading manufacturing company based in Nashville, TN. The ideal candidate will bring 10+ years of experience in IT, specializing in systems, networking, and security administration, along with at least 3 years of dedicated cybersecurity expertise. This is a fantastic opportunity to apply your skills in a dynamic and innovative environment.

• Hybrid Work Environment:
  Enjoy the flexibility of working both remotely and in the office.
• Flexible
  
  Hours:
  
  Balance your professional and personal life with ease.
• Generous Paid Time Off:
  Recharge and focus on what matters most with ample vacation and leave policies.
• Comprehensive Benefits:
  Access top-tier health, wellness, and retirement plans.
• Exceptional Company Culture:
  Thrive in a supportive, collaborative, and inclusive workplace.
• Inspirational Leadership:
  Work with a management team that values innovation and employee growth.
• Career Growth Opportunities:
  Advance your career with clear pathways for development and promotion.

The Senior Network Security Administrator serves as a strategic technical leader responsible for securing and evolving the organization’s enterprise network and security infrastructure. This role focuses on advanced network architecture, threat mitigation, cybersecurity governance, and enterprise-level project execution. You will act as a primary escalation point for complex issues, lead network transformation initiatives, and help shape long-term security strategy.

• Serve as a senior advisor on network security strategy, identifying vulnerabilities and recommending long-term improvements aligned with business objectives.
• Lead enterprise network design, lifecycle planning, and implementation initiatives.
• Oversee SIEM operations, log integrity, and advanced security rule deployments.
• Provide senior-level threat monitoring and defense, including IDS/IPS, firewall, VPN, gateway security, and endpoint protection oversight.
• Lead incident response and infrastructure recovery efforts across multiple locations.
• Establish and govern vulnerability and patch management cycles specific to network systems.
• Design, audit, and manage firewall and VPN architectures, including rule lifecycle management.
• Own and enhance enterprise network monitoring strategy.
• Develop and standardize operational documentation, runbooks, and security governance processes.
• Mentor junior team members during incidents and projects, driving post-incident reviews and continuous improvement.
• Participate in senior-level on-call cybersecurity rotation.

Experience &

Education:

• 8+ years of experience in IT across network, systems, and/or security administration.
• Bachelor’s degree in Computer Science, Cybersecurity, or related field (or equivalent experience).
• Deep knowledge of enterprise networking (subnetting, routing, DNS, DHCP).
• Strong experience with firewall technologies and VPN architecture (Cisco/Meraki preferred).
• Experience with SIEM platforms, intrusion detection/prevention systems, and endpoint protection.
• Knowledge of virtualization and infrastructure tools (VMware, SANs, Solar Winds).
• Experience with scripting and automation tools (Power Shell preferred).
• Strong understanding of vulnerability management and patch governance.
• Familiarity with Microsoft operating systems and enterprise software environments.

• CCNA, CCNP, MCSE
• Security+, Network+, A+
• CISSP, CISM, SSCP, or other cybersecurity certifications

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