Sr Network Security Engineer

The Sr Network Security Engineer will support the design, implementation, and ongoing operation of enterprise information security tools and services, with a focus on enterprise network security and secure access technologies. This onsite role in Charlotte, NC includes monitoring and remediation of security issues, automation of security operations, and technical leadership across hybrid environments.

Role Overview

Key responsibilities include engineering network security solutions across physical, virtual, and cloud-based environments, administering secure access capabilities aligned to Zero Trust initiatives, and improving the organization’s security posture through threat-informed evaluations and operational improvements.

Core Responsibilities

• Design, implement, and maintain enterprise network security solutions, including physical, virtual, and cloud-based firewalls (Fortinet), to support secure, reliable, and compliant operations.
• Engineer and support network security architectures across hybrid environments, including Google Cloud Platform (GCP), Microsoft Azure, Oracle Cloud Infrastructure (OCI), and on-premises data centers.
• Design, implement, and administer secure access technologies such as VPN, Zero Trust Network Access (ZTNA), Network Access Control (NAC), web proxy, IoT security, and microsegmentation to enable Zero Trust initiatives.
• Install, upgrade, configure, and maintain firewalls, network security appliances, and related infrastructure while managing lifecycle activities, change control, and operational support.
• Monitor, troubleshoot, and optimize enterprise security systems; investigate security events, respond to escalated issues, and lead break/fix activities to ensure service availability.
• Collaborate with Infrastructure, Cloud, Network, Security Operations, and Architecture teams to design secure solutions, implement remediation plans, and integrate security into enterprise projects.
• Evaluate emerging security technologies, industry trends, and threat intelligence to strengthen the organization’s defenses against evolving cyber threats.
• Develop and maintain security standards, technical documentation, operational procedures, and architecture diagrams, ensuring knowledge transfer to Security Operations teams.
• Automate security operations and infrastructure management using scripting and Infrastructure-as-Code tools such as Python, Ansible, Terraform, or similar technologies.
• Mentor junior engineers, provide technical leadership for complex initiatives, and communicate effectively with technical teams, leadership, and business stakeholders.
• Maintain strong knowledge of enterprise networking, security architecture, compliance frameworks, risk management, and project delivery best practices.

Required Qualifications

• Bachelor’s degree in Computer Science, CIS, Engineering, Cybersecurity, or a related field, or equivalent years of experience in lieu of education requirements, if applicable.
• 5 years of experience in technology system support, software development, or a related field.
• 2 years of experience with information security applications and systems.

Relevant Technologies

• Fortinet
• Google Cloud Platform (GCP), Microsoft Azure, Oracle Cloud Infrastructure (OCI)
• VPN, Zero Trust Network Access (ZTNA), Network Access Control (NAC), web proxy, IoT security, microsegmentation
• Python, Ansible, Terraform, Infrastructure-as-Code tools
• CI/CD, DevOps
• OSCP, GPEN

Preferred Qualifications

• Experience designing and supporting enterprise network security and firewall technologies, including Fortinet.
• Experience working with cloud security technologies and hybrid environments.
• Experience with VPN, ZTNA, NAC, microsegmentation, or related secure access technologies.
• Experience with Python, Ansible, Terraform, or other automation and IaC tools.
• Experience with CI/CD and DevOps practices.
• Experience identifying and remediating security threats and vulnerabilities across enterprise infrastructure.
• Experience creating technical documentation, security standards, and architecture diagrams.
• Experience providing technical leadership or mentoring engineers.
• Relevant security certifications such as OSCP or GPEN.

Compensation and Location

Location: Charlotte, NC (onsite).
Salary Range: USD 95,100 - 180,700 per year.

Starting rate of pay may vary based on factors including position offered, location, education, training, and/or experience.