Network Security Engineer

Gruve•Edison, NJ

3d•$90,000 - $140,000•Onsite

About The Position

The Network Security Engineer will join the US Solutions Delivery team, implementing and supporting enterprise firewall and network security solutions across customer environments. This is a hands-on, delivery-focused role centered on Cisco ASA and FTD platforms, and NGFW deployments. The engineer owns assigned workstreams end-to-end - from lab validation through production cutover — and works closely with architects, project managers, and customer stakeholders. The engineer should be US Citizen and willingness to travel is required.

Requirements

Candidate should be a US citizen.
Bachelor’s degree in computer science, Information Technology, Cybersecurity, or related field
5-7 years of experience in cybersecurity, with a strong focus on firewall design and implementation
4+ years of hands-on experience designing and implementing Cisco ASA and Cisco FTD firewall environments or any third-party firewalls such as Palo Alto/Fortinet/Checkpoint experience with limited Cisco Firewall experience.
Proven expertise in troubleshooting firewall and VPN connectivity issues, including NAT, routing, and policy-related problems
Good understanding of NGFW features such as malware protection, threat detection, URL filtering, SSL decryption, and Intrusion Prevention Systems (IPS); hands-on experience preferred
Experience working with multi-instance firewall environments
Strong understanding of core networking concepts: TCP/IP, DNS, DHCP, subnetting, NAT, VPNs, and routing/switching fundamentals
Willingness to travel across the U.S. to support customer deployments and firewall rollouts.

Nice To Haves

CCNP Security certification or equivalent demonstrated expertise
Experience with Cisco Secure Access, Umbrella, or XDR platforms.
Knowledge of Zero trust/SASE implementations.
Knowledge of Cisco ISE for NAC/802.1X integration alongside firewall deployments
Experience with security automation and scripting (Python, Ansible, APIs)
CISSP, GIAC, or other industry-recognized security certifications
Familiarity with compliance frameworks (PCI-DSS, HIPAA, SOC 2, NIST)
Prior experience in a consulting, professional services, or partner-led delivery model

Responsibilities

Firewall Deployment & Operations Implement and configure enterprise firewall and network security solutions (NGFW/FTD, VPNs, NAT, NAC/ISE, SASE) in alignment with approved designs
Manage and maintain firewall policies, including access rules, NAT, objects, zones, and security profiles following best practices
Perform testing and validation of firewall rules and security configurations in lab or staging environments before production deployment
Migration & Troubleshooting Support firewall migrations from Cisco ASA and third-party platforms to Cisco FTD
Troubleshoot and resolve firewall and network security issues, including traffic drops, NAT issues, VPN failures, and routing/DNS/DHCP dependencies
Identify and implement opportunities for optimization and automation, such as rule cleanup, standardization, and workflow improvements
Execution & Coordination Collaborate with architects, senior engineers, and project managers to ensure accurate and timely solution delivery
Participate in project sync-ups and technical discussions to understand requirements, scope, and deployment sequencing
Take ownership of assigned tasks end-to-end, including escalation, root cause analysis (RCA), and issue resolution
Documentation & Continuous Improvement Create and maintain comprehensive documentation, including firewall rules, network diagrams, VPN inventories, and operational runbooks
Stay current on firewall platforms, SASE, Zero Trust, and network security practices, applying new learnings to day-to-day delivery work