Network Engineer

Abile Group, LLC; Lorton (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Abile Group, based in Virginia, seeks a Network Engineer for 100% onsite work in Lorton. The role requires a Bachelor's degree and 8+ years of enterprise network engineering experience, including DoD 8570 IAT Level II, Cisco and Juniper certifications, and strong skills in ISE, 802.1X, AD/PKI integration.

The engineer will design, deploy, and maintain LAN/WAN, Data Center networks, and related technologies, ensuring security, availability, and performance in classified and unclassified networks.

Qualifications

• Bachelor's degree in technology related field and 8+ years in network engineering.
• Experience with enterprise network design, deployment, and maintenance.

Responsibilities

• Lead deployment of network solutions across locations with on-time, on-scope delivery.
• Oversee installation, configuration, and testing of routers, switches, and firewalls.
• Coordinate with cross-functional teams to ensure smooth deployment and integration.

Skills

Cisco ISE

802.1X

AD PKI integration

MAB

VLANs

Routing & Switching

TCP/IP

OSPF

Wireshark

Splunk

Ise logs

DoD 8570 Security+ IAT II

Cisco/Juniper

LAN/WAN

Network security

Education

Bachelor's degree in technology

Tools

Cisco ISE

Juniper

Cisco IOS

Wireshark

Job description

Abile Group has an exciting and challenging opportunity for a Network Engineer supporting an Intelligence Community Customer in Lorton, VA. As a Network Engineer, you will play a crucial role in designing, implementing, and maintaining the network infrastructure. Your expertise will contribute to the seamless operation of the customer systems, ensuring high availability, reliability, and security. You will work collaboratively with the IT team to support various projects and initiatives on both classified and unclassified networks. The right candidate will possess the below skills and qualifications and be ready to handle all responsibilities independently and professionally.

• Leads and manages the deployment of network solutions across various geographic locations, ensuring projects are delivered on time, within scope, and within budget.
• Oversees the installation, configuration, and testing of network hardware and software, including routers, switches, and firewalls.
• Coordinates with cross-functional teams (engineering, deployment, IA) to ensure smooth deployment and integration of network systems.
• Ensures adherence to network design and security best practices, including implementation of redundancies, scalability, and fault-tolerant solutions.
• Creates detailed project plans, manage timelines, track progress, and address any issues that arise during the deployment lifecycle.
• Design, engineer, and implement local area networks (LANs), wide area networks (WANs), Data Center networks, and other network-related technologies.
• Performs network configuration and troubleshooting to ensure optimal performance and security.
• Collaborates with cross-functional teams to integrate network solutions for new and existing systems.
• Conducts thorough risk assessments and implement mitigation strategies.
• Maintains thorough documentation of network deployment processes, configurations, and troubleshooting logs.
• Performs site surveys to assess site readiness and determine deployment needs.
• Provides technical leadership and mentorship to junior engineers and deployment staff.
• Collaborates with network architects to ensure designs are aligned with deployment requirements.
• Troubleshoots and resolve any network issues that arise during deployment and post-deployment phases.
• Ensures compliance with industry standards and regulatory requirements.
• Conducts regular maintenance and firmware upgrades on critical network infrastructure.
• Creates required engineering documentation for network related projects.
• Provides on-call support and response for critical system emergencies, as required.

This position is 100% onsite in Lorton, VA.

Clearance Required Active TS/SCI

Degree and Years of Experience Bachelor's degree in technology related field with 8+ years of experience with Network Engineering in an enterprise environment (or equivalent experience).

Desired Certifications

• IAT Level II baseline certification as defined by DoD 8570.01 (Security +)
• Cisco and/or Juniper certifications

Required Skills

• Design, deploy, and maintain Cisco ISE solutions for classified enterprise-scale environments.
• Configure and optimize 802.1X authentication for wired networks.
• Integrate ISE with Active Directory, PKI, and other identity sources for centralized policy management.
• Implement and manage MAC Authentication Bypass (MAB) for non-802.1X capable devices.
• Develop and maintain network access policies, VLAN assignments, and posture assessments.
• Troubleshoot authentication issues using tools like Wireshark, Splunk and ISE logs.
• Collaborate with network, security, and endpoint teams to ensure smooth rollouts and minimal user disruption.
• Document configurations, processes, and best practices for operational handover.
• Solid experience with routing and switching technologies (e.g., Cisco, Juniper).
• In-depth knowledge of L2/L3 network protocols/technologies (TCP/IP, iBGP, eBGP, OSPF, VLANs, 802.1q, LAG, etc.) and network security best practices.
• Experience with network management tools and network monitoring systems.
• Proven leadership skills and experience managing cross-functional teams or projects.
• Strong problem-solving and analytical skills with a proactive approach to addressing network deployment challenges.
• Excellent communication skills, both written and verbal, and the ability to interact with stakeholders at all levels.

Desired Skills

• Experience supporting classified networks.
• Experience in ensuring Service Level Agreement (SLA) compliance.
• Support to DHS Programs Knowledge/Experience.
• COMSEC.
• Solar Winds.
• Network Automation.

Abile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. Together, this partnership creates a stronger, more integrated cybersecurity organization with expanded opportunities for employees, deeper technical collaboration, and a unified mission. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities.

Abile is committed to hiring the most qualified and best fit person for the job - always has, always will.