Sr. Network Engineer

Zachary Piper Solutions; Washington, Northern (District of Columbia, KY); Hybrid; USD 115,000 - 135,000; Full time

Benefits offered by this job

Cigna Medical

Dental Insurance

Vision Insurance

401k

PTO (Paid Time Off)

Sick leave

Job summary

Zachary Piper Solutions is seeking an onsite Network Engineer in Washington, DC to design, integrate, and maintain secure, scalable network infrastructure across multiple locations. You will collaborate with infrastructure, cloud, and system administration teams to ensure reliable connectivity and adherence to standards.

Required 7+ years in enterprise networks, strong routing/switching, VPNs, firewalls, and virtualization (VMware/Hyper-V). Travel up to 50% and US work eligibility are essential.

Qualifications

• 7+ years of enterprise network management in multi-site environments.
• Strong expertise in routing, switching, firewalls, VPNs, wireless, and network monitoring tools.
• Experience with virtualization technologies (VMware/Hyper-V) and hybrid cloud environments.
• Bachelor’s degree in Information Technology, Computer Science, or related field.
• Ability to travel up to 50% for across-sites support.
• Must be eligible to work in the United States and pass a government background check.

Responsibilities

• Evaluate existing network environments across multiple sites and plan integration into standardized enterprise architecture.
• Design, optimize, and support LAN/WAN, SD-WAN, wireless, and VPN solutions for performance and uptime.
• Coordinate firewall, intrusion prevention, and access control initiatives to strengthen security posture.
• Lead network monitoring, incident response, and root-cause analysis with thorough documentation.
• Collaborate with infra, cloud, and system administration teams for scalable connectivity.

Skills

Enterprise networks

Routing & Switching

Firewalls

VPNs

Wireless technologies

Network monitoring tools

OSI model

Hybrid cloud environments

Education

Bachelor’s degree in IT/CS or related field

Tools

VMware

Hyper-V

Job description

Zachary Piper Solutions is seeking an onsite Network Engineer to join an advanced separation technologies company in Washington, DC. The Network Engineer is responsible for designing, integrating, and maintaining secure and high-performing network infrastructure across multiple locations, ensuring reliable connectivity, scalability, and alignment with organizational standards.

Responsibilities of the Network Engineer Includes:

• Evaluate existing network environments across multiple sites, including acquisitions, and develop plans to integrate them into a standardized enterprise architecture
• Design, optimize, and support LAN/WAN, SD-WAN, wireless, and VPN solutions to ensure consistent performance and uptime
• Strengthen network security posture by coordinating firewall, intrusion prevention, and access control initiatives with internal teams and managed service providers
• Lead network monitoring, incident response, and root-cause analysis efforts while maintaining detailed documentation and diagrams
• Collaborate with infrastructure, cloud, and system administration teams to ensure seamless connectivity, directory integration, and scalable network growth

Qualifications of the Network Engineer Includes:

• 7+ years of experience managing enterprise networks in complex, multi-site environments
• Strong expertise in routing, switching, firewalls, VPNs, wireless technologies, network monitoring tools, and core networking principles (OSI model)
• Experience with virtualization technologies (VMware/Hyper-V) and hybrid cloud environments
• Bachelor’s degree in Information Technology, Computer Science, or a related field
• Ability to travel up to 50% of the time for supporting network requirements across sites
• Must be eligible to work in the United States and successfully complete a government background investigation

Compensation of the Network Engineer Includes:

• Salary range: $115,000- 135,000
• Comprehensive Benefits: Cigna Medical, dental, vision, 401k, PTO, sick leave if required by law, and holidays

This job opens for applications on August 24th, 2026. Applications for this job will be accepted for at least 30 days from the posting date.

Keywords: Network Engineering, Active Directory, LAN/WAN, SD-WAN, Network Security, Firewalls, VPN, Routing, Switching, Wireless Networking, Network Integration, Troubleshooting, Monitoring

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