Network Infrastructure Security Engineer

Select Minds LLC; Dallas (TX); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Onsite

Competitive salary

Opportunity for advancement

Job summary

Select Minds LLC is a forward-thinking technology firm seeking a Network Security Engineer in Dallas, TX. You will design and implement secure network architectures, monitor for threats, and lead vulnerability assessments across our infrastructure.

Join a collaborative team where you will work with IT and DevOps to embed security into every system, maintain robust documentation, and stay ahead of evolving threats and compliance requirements (NIST, ISO 27001, etc.).

Qualifications

• 3+ years of experience in network security engineering or related cybersecurity role.
• Proficiency with firewalls, SIEM tools, and network monitoring platforms (e.g., Cisco, Palo Alto, Splunk).
• Strong understanding of TCP/IP, DNS, VPN, and network protocols.

Responsibilities

• Design, implement, and maintain network security architectures, firewalls, and IDS/IPS.
• Monitor network traffic for suspicious activity and respond to security incidents in real time.
• Perform vulnerability assessments, penetration testing, and risk analysis across network infrastructure.
• Configure and manage VPNs, ACLs, and zero-trust network policies.
• Collaborate with IT and DevOps teams to ensure security best practices are integrated into all systems.
• Develop and maintain security documentation, policies, and incident response procedures.
• Stay current with emerging cybersecurity threats, trends, and compliance requirements (NIST, ISO 27001, etc.).

Skills

Firewall management

IDS/IPS

VPN

Zero trust

Cloud security

Education

CISSP / CCNP Security / CEH / CompTIA Security+

Tools

Cisco

Palo Alto

Splunk

Job description

Benefits

• Onsite
• Competitive salary
• Opportunity for advancement

About the Role

Select Minds LLC is looking for a talented Network Security Engineer to join our growing team in Dallas, TX. This is an exciting opportunity to protect critical infrastructure, design robust security solutions, and work alongside a team of passionate technology professionals. If you thrive in a fast-paced environment and love solving complex security challenges, we want to hear from you!

Responsibilities

• Design, implement, and maintain network security architectures, firewalls, and intrusion detection/prevention systems (IDS/IPS)
• Monitor network traffic for suspicious activity and respond to security incidents and threats in real time
• Perform vulnerability assessments, penetration testing, and risk analysis across network infrastructure
• Configure and manage VPNs, access control lists (ACLs), and zero-trust network policies
• Collaborate with IT and DevOps teams to ensure security best practices are integrated into all systems
• Develop and maintain security documentation, policies, and incident response procedures
• Stay current with emerging cybersecurity threats, trends, and compliance requirements (NIST, ISO 27001, etc.)

Requirements

• 3+ years of experience in network security engineering or a related cybersecurity role
• Proficiency with firewalls, SIEM tools, and network monitoring platforms (e.g., Cisco, Palo Alto, Splunk)
• Strong understanding of TCP/IP, DNS, VPN, and network protocols
• Experience with cloud security environments (AWS, Azure, or GCP) is a plus
• Relevant certifications such as CISSP, CCNP Security, CEH, or CompTIA Security+ preferred
• Strong analytical and problem-solving skills with keen attention to detail
• Excellent communication skills and ability to work both independently and collaboratively

About Us

Select Minds LLC is a forward-thinking technology firm based in Dallas, TX, dedicated to delivering innovative IT and security solutions to businesses of all sizes. Our clients trust us to safeguard their most critical assets, and our team takes that responsibility seriously. We foster a culture of continuous learning, collaboration, and growth — making Select Minds a place where talented professionals truly thrive.