Sr. Network Engineer

DAn Solutions; Reston (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

DAn Solutions in Reston, VA is seeking a Senior Network Engineer to design, implement, and support a highly secure enterprise IT environment.

The role focuses on LAN/WAN design, site-to-site VPNs, firewalls, and TACLANE encryption devices, with opportunities to improve performance, security, and reliability. Candidate must hold active TS/SCI clearance and CI polygraph; remote work is not offered.

Qualifications

• Bachelor's degree with six years of relevant experience, or four years with substitution.
• Experience designing, implementing, maintaining, and troubleshooting LAN/WAN environments.
• Experience with installation and maintenance of firewalls.
• Experience keying and upgrading TACLANE cryptographic devices.
• Strong understanding of network protocols, firewall filtering, and proxy filtering.
• Experience troubleshooting VLANs, port security, connectivity, and outages.
• DoD 8570 IAT Level II compliance by security indoctrination date.

Responsibilities

• Design, engineer, implement, and maintain enterprise LAN and WAN environments.
• Design and support site-to-site VPNs, point-to-point, and multi-point network connections.
• Troubleshoot complex network issues including VLANs, port security, outages.
• Install, configure, maintain, and troubleshoot firewalls and security devices.
• Configure and upgrade TACLANE devices and encryption; maintain secure paths.
• Develop network topologies and integration plans with providers and end users.
• Prepare network diagrams, SOPs, and engineering documentation.
• Communicate status and recommendations to leadership.

Skills

LAN/WAN design

VPNs

Firewalls

TACLANE devices

Network troubleshooting

DoD 8570 IAT II

Security best practices

Network architecture

Documentation

Education

Bachelor's degree

Tools

TACLANE

Radiant Mercury

Encryption devices

Job description

REQUIRES AN ACTIVE/EXISTING TS/SCI WITH CI POLYGRAPH - NO REMOTE WORK

Location: Reston, VA

We are seeking an experienced Senior Network Engineer to provide network design, engineering, implementation, and operational support for a highly secure enterprise IT environment.

The Senior Network Engineer will design, implement, maintain, and troubleshoot complex LAN/WAN environments, site-to-site VPNs, point-to-point and point-to-multipoint connections, firewalls, and secure network communications paths. This position will also support network architecture, data flows, firewall rules, encryption devices, and multi-level security environments.

The ideal candidate will have strong hands-on networking experience and the ability to troubleshoot complex network issues while developing engineering solutions that improve performance, security, reliability, and efficiency.

Key Responsibilities

• Design, engineer, implement, and maintain enterprise LAN and WAN environments.
• Design and support site-to-site VPNs, point-to-point, and point-to-multipoint network connections.
• Troubleshoot complex network issues, including port security, VLAN configurations, connectivity issues, and network outages.
• Install, configure, maintain, and troubleshoot firewalls and network security devices.
• Configure, key, maintain, and perform software upgrades on TACLANE encryption devices.
• Manage network activities, data flows, firewall rules, and secure communication paths.
• Develop network topologies to securely deliver content and data from specific providers to end users.
• Provide technical recommendations and implement approved engineering solutions.
• Develop engineering designs and plans for the installation, integration, testing, maintenance, expansion, and upgrade of network environments.
• Conduct network engineering studies to determine requirements for bandwidth, data throughput, security, reliability, and communications paths.
• Investigate and evaluate new network technologies, systems, and upgrades that can improve capabilities, efficiency, reliability, or cost effectiveness.
• Develop integration plans, including implementation schedules, resource requirements, and cost considerations.
• Develop and implement secure network communication paths for remote data sources.
• Support network systems and associated infrastructure, including servers, storage, and backup systems.
• Prepare and maintain network engineering documentation, technical manuals, network diagrams, and standard operating procedures (SOPs).
• Communicate network status, technical issues, recommendations, and proposed solutions to technical and program leadership.

Required Qualifications

• Bachelor's degree from an accredited institution in a field applicable to the position and six (6) years of relevant experience.
  • An additional four (4) years of relevant experience may be substituted for the bachelor's degree.
• Experience designing, implementing, maintaining, and troubleshooting complex LAN/WAN environments.
• Experience with the installation, configuration, and maintenance of firewalls.
• Experience keying and upgrading software on TACLANE cryptographic devices.
• Strong understanding of network protocols, firewall packet filtering, and proxy filtering.
• Experience troubleshooting VLANs, port security, network connectivity, and network outages.
• Strong network engineering, analytical, and technical troubleshooting skills.
• Must be DoD 8570 IAT Level II compliant by the date of security indoctrination, including any required Continuing Education (CE) requirements.

Desired Qualifications

• CCNP certification.
• Experience working within multi-level security domains.
• Experience installing, configuring, and maintaining General Dynamics TACLANE or other cryptographic devices.
• Experience supporting networks utilizing Radiant Mercury multi-level security appliances.
• Experience designing and supporting secure network communications across environments with varying security classifications.

Security Clearance

Candidates must possess an active TS/SCI clearance with a CI Polygraph.

Salary Range Disclaimer: The posted salary range represents the good-faith minimum and maximum compensation DAn Solutions expects to pay for this position. The position may be filled at different Labor Category (LCAT) levels depending on the selected candidate's qualifications and applicable contract requirements. Final compensation within the posted range will be determined based on the applicable LCAT and factors including education, relevant experience, certifications, and other required qualifications