Senior Network Engineer

ASSYST is seeking a Senior Network Security Engineer to support a state client’s enterprise network and cybersecurity environment. The role will be responsible for designing, implementing, administering, and securing network infrastructure, including next-generation firewalls, VPNs, network segmentation, cloud networking, and security controls.

The ideal candidate will have strong enterprise networking and cybersecurity experience, with hands-on expertise in Palo Alto or Check Point firewalls, GlobalProtect VPN, firewall migrations, security policies, and NIST-based security practices.

Roles & Responsibilities

• Design, implement, and manage secure enterprise network and security infrastructure.


• Administer Palo Alto, Check Point, and GlobalProtect VPN environments.


• Perform firewall deployments, administration, rule migrations, and policy conversions.


• Configure and monitor firewall/security policies within cloud network environments.


• Design and maintain network segmentation, access controls, VPNs, and secure network architectures.


• Monitor network and security events, investigate incidents, and lead complex troubleshooting and remediation.


• Conduct security risk assessments and support vulnerability and security management activities.


• Develop and maintain security, network, and configuration documentation following NIST guidelines.


• Support enterprise network infrastructure including LAN/WAN, routing/switching, wireless, data center, Internet, and cloud connectivity.


• Provide technical leadership, guidance, and support for complex network and cybersecurity projects.


• Evaluate emerging networking and security technologies and provide implementation recommendations.


• Collaborate with infrastructure, cybersecurity, cloud, systems, database, and application teams.

Required Skills

• 5–10 years of IT and cybersecurity/network engineering experience.


• Strong enterprise networking and cybersecurity background.


• 3–5 years of experience with information security tools/practices based on NIST standards.


• Hands-on experience with Palo Alto or Check Point NGFW.


• Experience with GlobalProtect VPN.


• Experience with firewall deployment, administration, rule migration, and policy conversion.


• Strong knowledge of network architecture, routing/switching, VPNs, segmentation, cloud networking, access controls, and security monitoring.


• Experience troubleshooting complex network and security incidents.


• Experience with network/security documentation and schematic diagramming tools.


• Bachelor’s degree in Computer Science, Information Systems, or related field, or equivalent experience.

Preferred Certifications: PCNSE, CISSP, CCNP, or CCIE.

ASSYST is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, disability, military status, national origin or any other characteristic protected under federal, state, or applicable local law.