Senior Network Architect – Secure Enterprise Networking

Chenega Professional Services Strategic Business Unit; Arlington (VA); On-site; USD 145,000 - 180,000; Full time

Job summary

Chenega MIOS is seeking a Senior Network Engineer in Arlington, VA to design and troubleshoot complex network architectures supporting mission-critical operations. You will leverage centralized management tools, back up configurations, and provide technical leadership across multiple networking disciplines.

The role requires 8+ years of experience, IAT II, and a TS/SCI clearance, with familiarity in NGFWs, SD-WAN, and security policy implementation.

Qualifications

• Bachelor's degree or equivalent experience in network-related field.
• IAT II required; Palo Alto Networks certification preferred.

Responsibilities

• Design and troubleshoot complex network architectures and solutions.
• Use centralized network management tools to gather statistics, generate usage reports, and back up device configurations.
• Provide technical leadership on major network tasks and enterprise technology initiatives.
• Research and evaluate emerging network technologies, protocols, and applications for potential integration into the enterprise environment.
• Ensure seamless and secure connectivity across all enterprise endpoints.
• Analyze interoperability, integration, and deployment issues; optimize topology and site configurations.
• Apply advanced network design tools and techniques to develop efficient and secure architectures.
• Support mission-critical operations, with the expectation of occasional off-duty work hours.
• Develop automation using tools such as Ansible, Python, Terraform, or Cisco DNA Center
• Collaborate with security, systems, cloud, and DevOps teams to align infrastructure strategies
• Coordinate with vendors and service providers for escalations, procurement, and support
• Configure and manage security policies, NAT rules, decryption, and application-based controls
• Monitor and analyze firewall logs, threat intelligence feeds, and traffic flows to proactively identify and mitigate risks
• Other duties as assigned

Skills

NGFWs experience

Enterprise networking

Troubleshooting

Security policies

TCP/IP

Education

Bachelor's degree in network management or related field

IAT II certification

Tools

Palo Alto Networks Firewall

Job description

Chenega MIOS is seeking a Senior Network Engineer in Arlington, VA to design and troubleshoot complex network architectures supporting mission-critical operations. You will leverage centralized management tools, back up configurations, and provide technical leadership across multiple networking disciplines.

The role requires 8+ years of experience, IAT II, and a TS/SCI clearance, with familiarity in NGFWs, SD-WAN, and security policy implementation.