NAC Specialist / Network Access Control

Job Description

The NAC Specialist designs, administers, and troubleshoots network access control capabilities that determine how users and devices connect to wired, wireless, and remote networks. The role supports secure access policy, device profiling, authentication integrations, posture checks, and operational reliability.

Key Responsibilities

· Administer NAC policies for wired, wireless, guest, and device-based access in line with security standards.

· Integrate NAC with identity services, directory services, RADIUS / 802.1X, certificates, and network infrastructure as applicable.

· Troubleshoot authentication, authorization, device profiling, posture assessment, and endpoint onboarding issues.

· Develop and maintain policy documentation, exception workflows, change records, and support runbooks.

· Coordinate deployments, upgrades, testing, and changes with network, endpoint, identity, and security teams.

· Monitor NAC health, investigate access anomalies, and recommend improvements to segmentation and compliance.

Requirements

Required Qualifications

· Experience with enterprise networking and network access control, or closely related identity / network security work.

· Working knowledge of 802.1X, RADIUS, EAP, VLAN assignment, certificates / PKI, directory services, and endpoint profiling.

· Ability to troubleshoot authentication failures across endpoint, identity, switch / wireless, and NAC layers.

· Understanding of least privilege, network segmentation, and change management.

· Strong documentation and cross-team communication.

Preferred Qualifications

· Cisco ISE, Aruba ClearPass, Forescout, FortiNAC, or comparable NAC platforms; experience with MAB, posture assessment, certificate-based authentication, and zero-trust programs.

Why Join Black Birch Technology Group?

• Competitive salary package.

• Paid sick days.

• Private health insurance.

• Christmas bonus.

• Performance-based incentives.

• Continuous training and professional development opportunities.

• Opportunity to obtain and expand industry-specific technical certifications.

• Opportunities for career growth within a growing organization.

• Remote work environment.

• Opportunity to work directly with U.S.-based clients and modern security technologies.

• Exposure to access control, CCTV, networking, intercom, and integrated security platforms.

• Supportive culture that values employee well-being and professional growth.