Top Secret Network Security Engineer with Security Clearance

Piper Companies is seeking a Top Secret Network Security Engineer to support a federal government cybersecurity and network operations environment. The Top Secret Network Security Engineer role is ideal for a senior-level professional with deep expertise in Cisco security technologies, enterprise network architecture, and secure infrastructure design who thrives in highly regulated, mission-critical environments. Responsibilities of the Top Secret Network Security Engineer: • Plan, coordinate, and implement enterprise-level information security across network environments. • Design optimized firewall and intrusion prevention system (IPS) rule structures and ensure adherence to security standards. • Monitor and maintain the health and performance of firewall and IPS systems, recommending improvements where necessary. • Research, evaluate, design, test, and implement new network security technologies. • Develop and maintain technical documentation, including security procedures and complex network schematics. • Provide support and guidance to network engineering teams on security best practices. • Analyze technical and business requirements to determine efficient and secure solutions. • Support secure network design including VPNs and advanced routing protocols. Qualifications of the Top Secret Network Security Engineer: • 10+ years of IT experience (internships, capstones, and additional experience may be considered toward total experience). • Active Top Secret clearance required (SCI eligibility required). • Strong hands-on experience with at least 3-4 of the following technologies: - Cisco Identity Services Engine (ISE) (upgrade, licensing, deployment) - Cisco Firepower (maintenance, upgrade, deployment) - Cisco ASA to Firepower Threat Defense (FTD) migrations - Cisco 802.1X deployments - DMVPN design and deployment (CNSSP-15 compliant) - Juniper ADVPN • Strong understanding of routing protocols including OSPF, EIGRP, and BGP. • Experience designing and maintaining secure enterprise network infrastructures. • Bachelor's degree strongly preferred; equivalent experience or certifications may substitute. • CCNP Security or CCNP Enterprise certifications strongly preferred; CCDP preferred. • Strong troubleshooting skills and ability to operate independently in a secure environment. Compensation for the Top Secret Network Security Engineer includes: • Salary range: $130,000 - $150,000 • Comprehensive benefits package including medical, dental, vision, and 401(k) • Opportunity to support a high-impact federal cybersecurity program This job opens for applications on 06/28/2026. Applications for this job will be accepted for at least 30 days from the posting date. #LI-AR2 #LI - ONSITE