Network Security Engineer

Network Security Engineer

Location:

onsite in Memphis, TN

Seniority:
Intermediate

Duration:
Long term contract

Work Authorization:
Any (candidate must be authorized to work in USA)

The scope of this position is to ensure the confidentiality, integrity, and availability of the organization’s network infrastructure, systems, and data through the implementation and support of enterprise network security technologies and practices.

This position will be responsible for the design, configuration, deployment, monitoring, and troubleshooting of network security solutions including firewalls, intrusion detection and prevention systems, VPN technologies, network access controls, and security monitoring tools.

The Network Security Engineer will work closely with infrastructure, server, application, and compliance teams to identify vulnerabilities, mitigate security risks, respond to security incidents, and maintain compliance with cybersecurity and regulatory requirements.

Responsibilities also include securing Layer 2 and Layer 3 network environments, analyzing network traffic, maintaining secure remote connectivity, supporting disaster recovery and business continuity initiatives, and developing security standards, procedures, and technical documentation.

• Design, implement, configure, and support enterprise network security solutions including firewalls, VPNs, IDS/IPS systems, and network access control technologies.
• Monitor and analyze network activity, security events, and system performance to identify vulnerabilities, threats, and unauthorized activity.
• Configure and maintain secure LAN/WAN infrastructure utilizing routing, switching, VLANs, QoS, ACLs, and segmentation technologies.
• Perform security assessments, vulnerability analysis, risk mitigation, and remediation activities across enterprise network environments.
• Utilize network troubleshooting and monitoring tools including packet captures, logs, SNMP, Net Flow, and security event monitoring systems to resolve complex issues.
• Develop and maintain network security documentation, standards, procedures, and disaster recovery plans.
• Assist with cybersecurity compliance initiatives and support regulatory requirements related to data protection and infrastructure security.
• Investigate and respond to security incidents, breaches, and suspicious network activity while recommending corrective actions.
• Collaborate with infrastructure, application, and operational teams to ensure secure integration and deployment of enterprise technologies.
• Prepare and maintain full system documentation and perform other duties as directed.

• MUST be local to Memphis area.
• MUST have a 4-year degree in an IT-related field, or a 4-year degree with a minimum of 12 IT credit hours.
• MUST have a minimum of 5 years of hands‑on network security experience installing, configuring, and monitoring firewalls, preferably Palo Alto and/or Cisco.
• At least 5+ years of extensive experience supporting enterprise network security environments.
• At least 5+ years of extensive experience with TCP/IP, WAN/LAN technologies, routing, switching, VLANs, and network segmentation.
• At least 5+ years of extensive experience configuring and supporting enterprise firewall technologies including Palo Alto and Cisco security appliances.
• At least 5+ years of experience implementing and supporting site‑to‑site and remote access VPN solutions utilizing IPsec and SSL technologies.
• At least 5+ years of experience with Intrusion Detection and Prevention Systems (IDS/IPS).
• At least 5+ years of experience with network security monitoring, vulnerability management, and security incident response.
• At least 5+ years of experience developing security procedures and documentation to support compliance with national cybersecurity and data protection standards.
• Strong working knowledge of network authentication technologies, access controls, multifactor authentication, and directory services.
• Experience with network packet analysis and troubleshooting utilizing monitoring and diagnostic tools.
• Experience with wireless network security and secure remote connectivity solutions.
• Fundamental knowledge of DNS, DHCP, SNMP, Net Flow, QoS, and enterprise monitoring solutions.
• At least 5+ years of recent hands‑on experience configuring and troubleshooting enterprise network security hardware and software solutions.

Bachelor’s/Master’s Degree in Computer Science, Computer Engineering, Information Systems, Cybersecurity, or related study fields are desirable to be a primary consideration for full employment.

• Network: CCNA, CCNP (Routing & Switching, Enterprise, Wireless)
• Security:
  Security+, CISSP, CCSP, Palo Alto PCNSE, CCNP Security

Mindtris is committed to fostering workforce diversity and is proud to be an equal opportunity employer.