Network Engineer

SiloSmashers; Arlington (TX); On-site; USD 95,000 - 125,000; Full time

Job summary

SiloSmashers is seeking a Network Engineer to design, implement, and maintain secure network infrastructure for DHS CISA in Arlington, VA. The role ensures reliability, performance, and compliance with federal security standards.

You will work with system admins, cloud engineers, and security teams, configure LAN/WAN, VPNs, firewalls, and document configurations. Requires a Bachelor's degree and 3–5 years of experience; on-site with clearance.

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field.
• 3–5 years of experience in network engineering or administration.
• Hands-on experience with routers, switches, firewalls, and VPN technologies.
• Industry certifications such as CCNA, CCNP, or Security+ preferred.
• Strong problem-solving and communication skills.

Responsibilities

• Configure, monitor, and manage LAN/WAN, VPN, and firewall solutions.
• Troubleshoot connectivity, routing, and performance issues.
• Implement DHS and NIST security controls, including Zero Trust principles.
• Develop and maintain accurate network documentation, including diagrams and configurations.
• Collaborate with system administrators, cloud engineers, and security teams to optimize network operations.

Skills

Network engineering

VPN

Firewall management

Troubleshooting

Documentation

Communication

Education

Bachelor's degree in IT/CS

Tools

Routers

Switches

Firewalls

VPN Technologies

Job description

Network Engineer

Location: On-Site - Arlington, VA
Clearance: Must be a U.S. citizen and able to obtain and maintain DHS suitability clearance, as required by federal contract.

Summary:
The Network Engineer will support DHS CISA by designing, implementing, and maintaining secure network infrastructure for mission‑critical systems. This role ensures network reliability, performance, and compliance with federal security standards.

Responsibilities:

• Configure, monitor, and manage LAN/WAN, VPN, and firewall solutions.

• Troubleshoot connectivity, routing, and performance issues.

• Implement DHS and NIST security controls, including Zero Trust principles.

• Develop and maintain accurate network documentation, including diagrams and configurations.

• Collaborate with system administrators, cloud engineers, and security teams to optimize network operations.

Qualifications:

• Bachelor's degree in Information Technology, Computer Science, or related field.

• 3–5 years of experience in network engineering or administration.

• Hands‑on experience with routers, switches, firewalls, and VPN technologies.

• Industry certifications such as CCNA, CCNP, or Security+ preferred.

• Strong problem‑solving and communication skills.