Network Security Engineer

Leeds Professional Resources; Miami (FL); On-site; USD 100,000 - 130,000; Full time

Job summary

Leeds Professional Resources is seeking an experienced Network Security Engineer in Miami, Florida. This role involves designing, implementing, and supporting secure network infrastructures while contributing to cybersecurity efforts. Candidates should have 5+ years of experience, strong understanding of network security principles, and proficiency in firewalls and incident response.

The ideal candidate will be well-versed in regulatory standards and cloud security, ensuring the organization's defense posture aligns with best practices. Industry certifications are preferred.

Qualifications

• 5+ years of experience in network security engineering or cybersecurity.
• Strong understanding of TCP/IP, DNS, DHCP, and routing protocols.
• Familiarity with cloud security concepts across Azure or AWS.

Responsibilities

• Design and implement secure enterprise network infrastructure.
• Monitor network traffic for vulnerabilities and threats.
• Participate in incident response and conduct vulnerability assessments.

Skills

Network Security Engineering

Experience with Firewall Technologies

VPN and Routing Protocols

Incident Response

Cybersecurity Compliance

Education

Bachelor's degree in Computer Science or related field

Tools

Palo Alto Firewalls

Microsoft Sentinel

Splunk

Job description

We are seeking an experienced Network Security Engineer to design, implement, and support secure network infrastructure while contributing to the organization's overall cybersecurity and risk management initiatives. This role combines deep technical expertise in network security engineering with an understanding of governance, risk, and compliance (GRC) principles to ensure security controls align with organizational policies, regulatory requirements, and industry best practices.

The ideal candidate has experience securing enterprise networks, administering security technologies, responding to security incidents, and partnering with compliance and audit teams to strengthen the organization's overall security posture.

Key Responsibilities

Network Security Engineering

• Design, implement, maintain, and optimize secure enterprise network infrastructure across on‑premises and cloud environments.
• Configure, administer, and troubleshoot firewalls, VPNs, routers, switches, wireless networks, proxies, and network access control solutions.
• Manage and support security technologies including intrusion detection/prevention systems (IDS/IPS), web application firewalls (WAF), secure web gateways, DNS security, and network segmentation.
• Monitor network traffic and security events to identify vulnerabilities, suspicious activity, and emerging threats.
• Perform firewall rule reviews, network access evaluations, and security hardening in accordance with established security standards.
• Support secure remote access solutions and Zero Trust network initiatives.
• Collaborate with infrastructure, cloud, and application teams to integrate security into new technologies and system implementations.

Cybersecurity Operations

• Participate in incident response activities including investigation, containment, remediation, and post‑incident analysis.
• Conduct vulnerability assessments and coordinate remediation efforts with internal technology teams.
• Assist with penetration testing activities and validate remediation of identified findings.
• Maintain security documentation, diagrams, configuration standards, and operational procedures.
• Evaluate new security technologies and recommend improvements to enhance the organization's security posture.

Governance, Risk & Compliance (GRC)

• Support cybersecurity governance initiatives by helping maintain security policies, standards, and technical procedures.
• Assist with security risk assessments and remediation planning for infrastructure and technology projects.
• Partner with internal audit, compliance, and risk management teams during assessments and security reviews.
• Help ensure security controls align with applicable regulatory and industry frameworks such as NIST CSF, NIST 800‑53, CIS Controls, ISO 27001, SOC 2, PCI DSS, HIPAA, or SOX, as applicable.
• Participate in control testing, evidence collection, remediation tracking, and audit preparation.
• Contribute to third‑party/vendor security assessments and risk evaluations.

Qualifications

• Bachelor's degree in Computer Science, Information Security, Information Technology, or a related discipline, or equivalent professional experience.
• 5+ years of experience in network security engineering, cybersecurity, or information security.
• Experience administering enterprise firewall platforms such as Palo Alto, Fortinet, Cisco Firepower, Check Point, or similar technologies.
• Strong understanding of networking protocols including TCP/IP, DNS, DHCP, BGP, OSPF, VLANs, VPN, and routing/switching concepts.
• Experience with IDS/IPS, SIEM, endpoint security, vulnerability management, and network monitoring tools.
• Familiarity with cloud security concepts across Azure, AWS, or Google Cloud Platform.
• Working knowledge of cybersecurity governance, risk management, and compliance practices.
• Experience supporting security audits and regulatory compliance initiatives.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Excellent written and verbal communication skills with the ability to communicate technical concepts to both technical and non‑technical audiences.

Preferred Qualifications

• Industry certifications such as CISSP, CCNP Security, CCNA Security, PCNSE, NSE, Security+, CySA+, CISM, CRISC, GSEC, or GIAC certifications.
• Experience with scripting or automation using PowerShell, Python, or Bash.
• Familiarity with Infrastructure as Code (Terraform, Ansible) and DevSecOps practices.
• Experience implementing Zero Trust architectures and identity‑based security controls.
• Exposure to cloud‑native security tools and security automation platforms.
• Experience working within regulated industries such as financial services, healthcare, government, or critical infrastructure.

Technical Environment

Candidates may have experience with technologies such as:

• Splunk, Microsoft Sentinel, QRadar, LogRhythm
• Tenable, Qualys, Rapid7
• VPN, MFA, NAC, IDS/IPS, WAF, DNS Security, SIEM, DLP