31 applicants

Company

ConglomerateIT India · 12 hours ago

Sr. Network Infrastructure Security Engineer

United States

Contract

Remote

Senior Level, Lead/Staff

10+ years exp

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Responsibilities

Lead NAC Solution Design & Enhancement:

Oversee the strategic planning, execution, and optimization of NAC solutions, ensuring they enable secure, policy-driven access to the network for users, devices, and applications.

Manage the deployment, configuration, and maintenance of NAC technologies (e.g., Cisco Client, ForeScout, Aruba ClearPass) to strengthen network security and improve efficiency.

Ensure seamless integration of NAC systems with existing network security tools like firewalls, VPNs, intrusion detection/prevention systems (IDS/IPS), and security information and event management (SIEM) platforms.

Network Access Policy Management:

Develop and enforce comprehensive network access policies tailored to specific user roles, devices, locations, and regulatory requirements, particularly in the banking and financial services sectors.

Drive the enforcement of Zero Trust principles, utilizing NAC to ensure only authenticated, authorized devices can access sensitive systems.

Provide leadership on evolving access control policies, including managing policies for BYOD, guest access, and other specialized access scenarios.

Cross-Departmental Collaboration & Integration:

Collaborate with senior network, security, and compliance teams to design and implement integrated access control solutions across the organization's network infrastructure.

Lead NAC system integration with security infrastructure, ensuring consistency with other security efforts and threat intelligence platforms.

Ensure NAC solutions and access control measures comply with industry standards such as PCI-DSS, SOX, GDPR, and other relevant banking regulations.

Incident Response & Troubleshooting:

Take the lead in investigating and resolving complex network access issues, leveraging expertise to address unauthorized access or security vulnerabilities swiftly.

Perform advanced troubleshooting for access-related problems, working with network and security teams to resolve violations, secure devices, and ensure continuity.

Security Audits & Compliance Oversight:

Review network access logs, generate reports, and recommend improvements to meet security and compliance standards.

Continuous Improvement & Strategic Initiatives:

Lead ongoing evaluations and upgrades of NAC systems to ensure they remain effective in securing the organization's network while supporting business needs.

Assess and recommend emerging NAC technologies and best practices to enhance security, minimize risks, and optimize efficiency.

Contribute to the development of long-term network security strategies, aligning NAC projects with the organization’s evolving security requirements.

Qualification

Find out how your skills align with this job's requirements. If anything seems off, you can easily click on the tags to select or unselect skills to reflect your actual expertise.

Network Access Control (NAC)Cisco ClientForeScoutAruba ClearPassNetwork security architectureCisco Certified Network Professional (CCNP)Certified Information Systems Security Professional (CISSP)Certified Information Security Manager (CISM)Certified Network Security Professional (CNSP)802.1XRADIUSVPNsFirewallsIDS/IPSNetwork segmentation strategiesSecurity protocolsPCI-DSSSOXGDPRAccess control policiesLarge-scale network security initiatives

Required

Bachelor's degree in Computer Science, Information Security, Network Engineering, or a related field (or equivalent experience).

Cisco Certified Network Professional (CCNP) or higher, particularly in Security.

Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), or Certified Network Security Professional (CNSP).

10+ years of experience in network security engineering with a focus on NAC solutions, network architecture, and security policy management.

Extensive hands-on experience with Cisco Client and other NAC technologies in large, complex, and regulated environments.

Proven track record of leading the implementation, upgrade, and optimization of NAC systems within large enterprises or heavily regulated industries like banking.

Strong knowledge of 802.1X, RADIUS, VPNs, firewalls, IDS/IPS, and network segmentation strategies.

In-depth expertise in designing and managing NAC systems and access control policies for secure network operations.

Strong understanding of security protocols, including 802.1X, RADIUS, and VPN technologies, as well as integration with network security infrastructure.

Expertise in network security compliance frameworks (PCI-DSS, SOX, GDPR) and experience with banking and financial services regulations.

Preferred

A Master’s degree is a plus.

Vendor-specific certifications, such as Cisco Identity Services Engine (Client) or Aruba ClearPass, are highly desirable.

Proven history of successfully managing large-scale network security initiatives in highly regulated environments, particularly in the banking or financial sector.