Network Engineer

Valiant Solutions is seeking a Network Engineer to join our rapidly growing and innovative team!

The Network Engineer will support 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.

Named one of the Washington Business Journal’s Best Places to Work every year since 2014, Valiant is proud of our employee-centric culture and commitment to excellence. If you are interested in learning more about Valiant and this opportunity, we invite you to apply now!

• IAT Level II baseline certification as defined by DoD 8570.01 (Security +)

• Cisco and/or Juniper certifications

• 8+ years of experience with Network Engineering in an enterprise environment (or equivalent experience).

• 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.

• Experience supporting classified networks.

• Experience in ensuring Service Level Agreement (SLA) compliance.

• Support to DHS Programs Knowledge/Experience.

• COMSEC.

• Solar Winds.

• Network Automation.

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  Leads and manages the deployment of network solutions across various geographic locations, ensuring projects are delivered on time, within scope, and within budget.

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  Oversees the installation, configuration, and testing of network hardware and software, including routers, switches, and firewalls.

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  Coordinates with cross-functional teams (engineering, deployment, IA) to ensure smooth deployment and integration of network systems.

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  Ensures adherence to network design and security best practices, including implementation of redundancies, scalability, and fault-tolerant solutions.

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  Creates detailed project plans, manages timelines, tracks progress, and addresses any issues that arise during the deployment lifecycle.

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  Designs, engineers, and implements local area networks (LANs), wide area networks (WANs), Data Center networks, and other network-related technologies.

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  Performs network configuration and troubleshooting to ensure optimal performance and security.

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  Collaborates with cross-functional teams to integrate network solutions for new and existing systems.

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  Conducts thorough risk assessments and implements mitigation strategies.

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  Maintains thorough documentation of network deployment processes, configurations, and troubleshooting logs.

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  Performs site surveys to assess site readiness and determine deployment needs.

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  Provides technical leadership and mentorship to junior engineers and deployment staff.

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  Collaborates with network architects to ensure designs are aligned with deployment requirements.

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  Troubleshoots and resolves any network issues that arise during deployment and post-deployment phases.

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  Ensures compliance with industry standards and regulatory requirements.

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  Conducts regular maintenance and firmware upgrades on critical network infrastructure.

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  Creates required engineering documentation for network-related projects.

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  Provides on-call support and response for critical system emergencies, as required.

Valiant Solutions delivers cybersecurity and IT services to federal civilian, defense, and national security customers nationwide. We support the full cyber lifecycle, from secure system design and accreditation through AI-enabled operations, threat emulation, and continuous improvement, across classified and unclassified environments. Our work is independently certified for quality and security, including CMMI, CMMC, and ISO certifications.

Valiant is a multi-year Washington Business Journal Best Places to Work winner, and our growth and cyber leadership have been recognized by Washington Technology, Northern Virginia Technology Council, and the Triangle Business Journal. We offer strong benefits, rewards for earning industry certifications, and room to grow your career as we grow. Headquartered in McLean, Virginia, our distributed workforce supports customers from coast to coast. We go where the stakes are highest, and the margin for error is zero. If you want meaningful work alongside talented professionals, apply today.

Remote work necessitates a high level of trust in our employees. To ensure that employee performance does not suffer in a remote work environment, all employees who telecommute are expected to have a quiet and distraction-free workspace with adequate internet, dedicate their full attention and availability to their job duties during working hours, and maintain a schedule during core business hours that aligns with those of their coworkers and Valiant's clients. In alignment with Valiant's inclusive and engaging environment, cameras are encouraged and can be required to be on during virtual video conferences. Additionally, in alignment with the Office of the Inspector General’s effort to eliminate conflicting employment, all Valiant employees are required to disclose any current or future outside employment engagements. During onboarding and throughout employment, employees must disclose any current activities or intent to engage in outside employment or other professional activities and obtain written approval.  Employees may not solicit or conduct any outside business during core business hours for Valiant Solutions and our clients.

Valiant Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, age, disability, genetic information, marital status, protected veteran status, or any other characteristic protected by federal, state, or local law. Valiant Solutions provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation during the application or hiring process, please contact hr@valiantsolutions.com.

Sitting or standing at a desk for prolonged periods and consistently operating a computer. Frequent communication and exchanging of accurate information via electronic communication, phones, and in person. Occasionally lift and/or move moderate amounts of weight, typically less than 20 pounds. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.

By submitting your resume for this position, you authorize Valiant Solutions to share your resume, as well as personal information included on the resume, with its subsidiaries, affiliates, and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education, and experience. Should Valiant Solutions or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.

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