Network Engineer, Level 3

What You Will Do:

As a System Engineer Level 3 at Independent Software, you will provide senior-level systems and network engineering support for mission-critical environments. This role requires extensive hands-on experience designing, configuring, securing, and troubleshooting complex network infrastructure within secure operational environments.

You will work with Cisco networking equipment, servers, firewalls, security appliances, fiber infrastructure, and network analysis tools while supporting network design, security hardening, SSP requirements, and physical network implementation.

• Design, configure, maintain, and troubleshoot Cisco switches, routers, and firewalls, including Cisco 9300 series switches
• Support network security appliances including Palo Alto, HAIPE, and similar technologies
• Perform network security hardening and support SSP development and compliance requirements
• Troubleshoot complex network and connectivity issues using Wireshark, Tripwire, packet analysis, and related diagnostic tools
• Analyze network traffic, firewall activity, message delivery, ACK/NACK responses, MTU configurations, and connectivity issues
• Develop network architecture diagrams, rack configuration drawings, and technical documentation using Visio and related tools
• Evaluate network requirements and determine appropriate network configurations and architectures
• Support physical network installation and sustainment, including switches, servers, fiber, cabling, racks, and security devices
• Assess HAIPE configurations and MTU requirements
• Support network design and deployment activities involving tamper and concealment requirements
• Maintain engineering documentation and track technical activities using Jira, Confluence, and similar tools
• Work independently and collaboratively with engineering, security, and mission teams

• Extensive hands-on systems and network engineering experience in complex operational environments
• Strong knowledge of Cisco switches, routers, and firewalls, including Cisco 9300 series switches
• Experience with Palo Alto, HAIPE, or comparable network security appliances
• Strong network troubleshooting and packet analysis experience
• Experience with Wireshark, Tripwire, or similar network diagnostic and analysis tools
• Experience with network security hardening in DoD or other secure environments
• Experience supporting SSP development and security compliance activities
• Experience designing network diagrams and rack configuration drawings
• Knowledge of switches, routers, firewalls, security appliances, and Network-as-a-Service architectures
• Experience with physical network construction, including fiber, cabling, switches, servers, and security devices
• Ability to analyze network traffic and isolate connectivity, configuration, and firewall-related problems
• Experience with Jira, Confluence, Visio, or similar technical documentation and collaboration tools
• Strong communication skills and ability to work effectively as an individual contributor or member of a focused technical team

• Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university and twenty (20) years of experience as a Systems Engineer supporting programs and contracts of similar scope, type, and complexity; OR
• Twenty-five (25) years of Systems Engineering experience supporting programs and contracts of similar scope, type, and complexity may be substituted for the Bachelor’s degree
• Demonstrated experience planning and leading Systems Engineering efforts is required
• Experience supporting Intelligence Community or DoD environments is strongly…