Network Engineer Level 1 Security Clearance

RiVidium Inc. is seeking an experienced Network Engineer - Level 1 to support the Naval Criminal Investigative Service (NCIS) enterprise network environment. This role serves as a senior-level network engineering subject matter expert responsible for ensuring the reliability, security, and performance of mission-critical network infrastructure supporting multiple enclaves and tenant agencies.

The Network Engineer will design, implement, monitor, maintain, and optimize enterprise network infrastructure while supporting complex networking projects within a highly secure Department of Defense environment. The successful candidate will provide advanced troubleshooting, network architecture support, vulnerability remediation, and operational support for a large-scale enterprise network. This position requires extensive experience with Cisco networking technologies, Palo Alto firewalls, routing and switching protocols, network security, and DoD cybersecurity compliance requirements.

• Monitor, manage, and optimize network performance across multiple enclaves using enterprise monitoring and management tools.
• Design, configure, implement, and maintain enterprise networking infrastructure.
• Install and upgrade network hardware and software to support operational requirements.
• Develop and maintain network diagrams, configurations, technical documentation, deployment plans, and architecture drawings.
• Collaborate with tenant agency engineers and stakeholders on networking initiatives and infrastructure projects.
• Troubleshoot network outages, performance issues, and connectivity problems to ensure mission continuity.
• Support routing, switching, firewall, and network security operations.
• Coordinate with vendors to evaluate, procure, and implement networking solutions.
• Conduct preventative maintenance on network devices and infrastructure components.
• Ensure timely remediation of vulnerabilities and compliance with DISA STIG requirements.
• Support network modernization initiatives and evaluate emerging technologies.
• Provide technical expertise and recommendations to leadership and Government stakeholders.
• Participate in after-hours troubleshooting and support activities as required.

• Active TS/SCI clearance required at contract start.
• Minimum ten (10) years of progressively responsible experience in network engineering and enterprise infrastructure support.
• Experience supporting data center technologies within large enterprise or government environments.
• Strong experience with:
• Inter-VLAN Routing
• OSPF
• BGP
• HSRP
• Hands-on experience with:
• Cisco Identity Services Engine (ISE)
• Cisco DNA Center / Catalyst Center
• Cisco ASR Routers
• Cisco Catalyst Switches
• Cisco Nexus Platforms
• Cisco Firewalls
• Palo Alto Firewalls
• Strong understanding of network security principles and enterprise architecture.
• Proficiency with Microsoft Visio and Microsoft Office Suite.
• Ability to create and maintain detailed technical documentation and network diagrams.
• Must meet DoD 8140 Cybersecurity Workforce requirements.

• Candidates must possess one of the following at contract start:
• Cisco Certified Network Professional (CCNP) - Enterprise, Data Center, or Service Provider Track OR
• Successful completion of one of the following Cisco core exams:
• DCCOR
• ENCOR
• SPCOR Additionally, candidates must possess:
• CompTIA Security+ CE (or equivalent certification meeting DoD 8140/8570 IAT Level II requirements)

• Experience supporting DoD, Department of the Navy (DoN), Intelligence Community, or other classified environments.
• Experience with:
• Cisco Stealthwatch
• Solar Winds
• Familiarity with DISA STIGs and vulnerability management processes.
• Experience supporting multi-enclave network architectures and cross-domain solutions.
• Knowledge of:
• SD-WAN
• MPLS
• Software-Defined Networking (SDN)
• Zero Trust Architecture
• Network Access Control (NAC)
• Familiarity with AWS and Azure networking concepts.
• Palo Alto Networks Certified Network Security Engineer (PCNSE).
• Cisco Certified Internetwork Expert (CCIE).
• Experience mentoring or leading junior network engineers.
• Experience supporting multi-tenant or shared services environments.

• Support mission-critical national security and law enforcement operations.
• Work with cutting-edge networking and cybersecurity technologies.
• Competitive compensation and benefits package.
• Professional development and certification growth…