Top Secret Network Security Engineer

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.

• 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.

• 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.

• 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.