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Network Engineer

United States, Reston · Job Posted December 06, 2025
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Job Description

The Network Engineer will perform network design, engineering and troubleshooting support for classified programs. Responsibilities include LANs/WANs/Site-to-site, VPNs/Point-to-point/point to multipoint and maintaining network availability for servers, storage and backup systems. Troubleshoot port security issues, VLAN issues and network outages. Control network management activities, data flows and firewall rules.

Job Responsibility

  • Perform network design, engineering and troubleshooting support for classified programs
  • LANs/WANs/Site-to-site, VPNs/Point-to-point/point to multipoint and maintaining network availability for servers, storage and backup systems
  • Troubleshoot port security issues, VLAN issues and network outages
  • Control network management activities, data flows and firewall rules
  • Build network topologies to deliver content from specific providers to users
  • Design, implement or maintain networks for LAN and WAN systems
  • Provide engineering designs, and plans for installation, integration, testing, upgrade, analysis, and maintenance/expansion of the network environment
  • Prepare technical documentation, standard operating procedures, and design documents in support network upgrades and new mission requirements
  • Part of a team that may need work schedule flexibility in support team providing on-site coverage of 5 day x 12 hours/day operations

Requirements

  • Top Secret security clearance poly eligible
  • Bachelor’s Degree in computer science, engineering, or similar technical field
  • Cisco Certified Network Professional (CCNP) certification
  • 8570 compliance (IAT Level 2) such as CompTIA Security+
  • 9 years of hands-on experience and expertise Cisco Network Administration or Network Engineering
  • 2 years of hands-on experience supporting CentOS/RHEL Linux Systems
  • Experience with installation, configuration, and maintenance of Firewalls
  • Understand the operation of network protocols and Firewall packet and proxy filters
  • Experience leading classified network architecture, design, and documentation
  • Experience with virtual systems, Rubric, and/or VX-Rail
  • Must demonstrate strong teamwork, communication (both verbal and written), and presentation skills
  • Must demonstrate strong initiative to accept new technical challenges in complex system engineering assignments

Nice to have

  • Master’s Degree
  • Certification and/or Experience with AWS cloud
  • Desired Experience with one or more of the following: DoD or Intelligence Community IT and Application service delivery
  • Experience supporting full lifecycle A&A process for classified DoD or IC infrastructure and application service delivery
  • Experience managing ATO process through XACTA tool
  • Experience working with Special Access Programs (SAP)
  • Hands on Experience with VDI hosting and virtualization with VMWare and/or Nutanix
  • Experience working with cross domain solutions
  • Experience working with crypto devices

What we offer

  • Generous cost sharing for medical insurance for the employee and dependents
  • 100% company paid dental insurance for employees and dependents
  • 100% company paid long-term and short term disability insurance
  • 100% company paid vision insurance for employees and dependents
  • 401k plan with generous match and 100% immediate vesting
  • Competitive Pay
  • Generous paid leave and holiday package
  • Tuition and training reimbursement
  • Life and AD&D Insurance

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