Network Security Engineer; CI Polygraph Security Clearance

Position: Network Security Engineer (CI Polygraph) with Security Clearance
Zachary Piper Solutions is seeking a Network Security Engineer to support a classified Intelligence program in Chantilly, VA. The team is seeking a network engineering professional with advanced knowledge of network infrastructure, comply-to-connect services, and network access control to support a complex and secure architecture for the CSOC. Clearance:
Active TS/SCI CI Polygraph Clearance

Location:

Chantilly, VA This job opens for applications on 6/3/2026. Applications for this job will be accepted for at least 30 days from the posting date Responsibilities of the Network Security Engineer:
* Engineer, design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to migrate, deploy, enhance, and maintain C2C services. This includes managing and maintaining appliances, applications, servers, and infrastructure in both unclassified and classified environments.

* Collaborate with the network service provider to develop and maintain network architecture diagrams.

* Assess and recommend changes or technology upgrades to improve performance, standardization, and align with industry best practices.

* Monitor and investigate C2C performance and faults, providing recommendations for improvements.

* Engage with team members and customers at various levels to gather, provide, or coordinate information.

* Strong communication and customer service skills are essential, along with the ability to effectively coordinate with individuals across multiple levels and teams.

* Support Assessment and Authorization activities related to cybersecurity technologies, where applicable. Qualifications of the Network Security Engineer:
* Active TS/SCI CI Polygraph required in order to be considered

* Bachelor's degree from an accredited college in a related discipline and 7+ years of prior relevant experience

* IAT Level II (GSEC, Security+, SSCP, or CCNA-Security) certification required
* Minimum/general experience: 10 years of related network experience (firewalls, routers, switches and load balancers)

* Experience with vendor-neutral C2C capabilities and services, open-source components, DoD integration and networks, and DoD engineering and sustainment procedures to provide real-time C2C expertise is advantageous.

* Assist with the implementation of cyber security tools to network infrastructure

* Implement DoD standards and cyber best practices to secure the environment (NIST, STIGs)

* Cisco Identity Services Engine (ISE) experience is preferred but not mandatory.

* Strong understanding of Windows and Linux systems, operating system security practices, TCP/IP networking, 802.1x, and network security concepts is essential.

* Expertise in technologies for large-scale enterprise deployments and data centers.

* Experience deploying and supporting enterprise security software products, including firewalls, IPS, antivirus solutions, application firewalls, high availability solutions, network management systems, and virtual systems.

* Proficiency with tools such as Nmap, Nessus, and tcpdump.

* Working knowledge of shell, Perl, and XML scripting. Compensation of the Network Security Engineer:
* Total compensation based on experience level - $150,000 - $175,000+
** based on experience level*
* * Full Benefits: PTO, 11 Paid Holidays, Cigna Medical, Dental, and Vision, 401k with ADP
* Certification reimbursement
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