Network Security Engineer (CI Polygraph)

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
• Contract mobility and job stability - Contract through 2026

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