YOUR GREATEST WORK IS AHEAD!

The Multi-domain Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Network Administrator to join a new cyber security program and play a key role in supporting government-critical systems. You will be part of a program that oversees development, integration, delivery, and operations and maintenance of IT managed security services, which encompasses support to monitor the cybersecurity threat and security posture situational awareness for the enterprise. This opportunity is in anticipation of a future contract award!

• Lead the design, implementation, security, and maintenance of our enterprise network infrastructure.
• Apply deep expertise in network architecture, security, automation, and cloud networking to ensure high availability, performance, and security across our IT environments.
• Oversee network operations, troubleshoot complex issues, optimize performance, and guide IT teams in adopting best practices.
• Utilize extensive experience with routing, switching, firewalls, VPNs, SD-WAN, and cloud networking, along with strong problem-solving and leadership skills.
• Design, deploy, and maintain enterprise-level LAN, WAN, SD-WAN, and wireless networks.
• Manage and optimize network hardware, including routers, switches, firewalls, load balancers, and VPNs.
• Oversee cloud networking (AWS, Azure, Google Cloud), including hybrid cloud integrations.
• Develop and enforce network segmentation, access control, and zero-trust security models.
• Implement network security best practices, firewall policies, IDS/IPS, and NAC solutions.
• Conduct regular network vulnerability assessments, penetration testing, and risk mitigation.
• Ensure compliance with industry standards (NIST, ISO 27001, PCI-DSS, HIPAA, SOC 2, etc.).
• Collaborate with cybersecurity teams to detect and mitigate network threats.
• Monitor network traffic, bandwidth usage, and performance metrics, identifying and resolving bottlenecks.
• Automate network configurations and management tasks using scripting tools (Python, Ansible, Terraform).
• Optimize VoIP, QoS, and video conferencing solutions for high-performance communication.
• Provide technical leadership to junior network administrators and IT teams.
• Develop network policies, procedures, and documentation to support scalability and business continuity.
• Stay up to date with emerging networking technologies and recommend innovations.
• Lead incident response efforts for major network outages, security breaches, or performance issues.
• Troubleshoot complex Layer 2/3 network issues and coordinate resolution with vendors when necessary.
• Maintain disaster recovery and failover strategies to ensure network resilience.