Network Sustainment Engineer

The CSfC Sustainment Network Engineer will support the sustainment, maintenance, troubleshooting, and operational readiness of NSA-approved Commercial Solutions for Classified (CSfC) systems and networks in support of U.S. Navy operations. This role is part of a team of engineers delivering mission-critical systems and network support for classified communications environments. The position requires a hands-on technical professional capable of maintaining complex network infrastructures, supporting deployed systems, and ensuring compliance with Department of Defense (DoD) cybersecurity and configuration management requirements., Provide day-to-day sustainment, maintenance, troubleshooting, and optimization of NSA-approved CSfC environments.

• Support virtualized infrastructure and complex network architectures across multiple operating systems and platforms.
• Deploy, configure, test, and maintain network and security appliances in support of mission requirements.
• Install, configure, and support routers, switches, firewalls, VPN gateways, wireless infrastructure, and other network components.
• Perform configuration management activities and maintain overall operational readiness of network systems.
• Troubleshoot and resolve network, system, and security-related issues in classified and operational environments.
• Conduct technology assessments, engineering evaluations, and system performance analysis.
• Support implementation and maintenance of Public Key Infrastructure (PKI) solutions, including certificate generation, installation, and lifecycle management.
• Configure and troubleshoot IPsec communications and secure routing environments.
• Implement and manage firewall policies, Access Control Lists (ACLs), and network segmentation controls.
• Support Layer 3 and Layer 7 load balancing technologies.
• Implement and troubleshoot routing and switching protocols in enterprise environments.

• Configure and maintain 802.1X authentication and network access control solutions. -Utilize network monitoring, management, and security tools to ensure operational performance and security compliance.

• Conduct vulnerability scanning activities using ACAS and support remediation efforts.
• Perform system and network hardening in accordance with DoD STIGs, SCAP compliance requirements, and cybersecurity best practices.
• Provide technical documentation, status reporting, and presentations to government customers and project stakeholders.-
• Participate in on-call support activities and respond to system incidents as required.

The successful candidate will possess strong technical expertise across networking, security, and systems administration disciplines, as well as excellent communication skills to effectively engage with both technical and non-technical government stakeholders., Experience supporting NSA-approved Commercial Solutions for Classified (CSfC) solutions.

• Experience with the following technologies:
• Cisco Routing & Switching
• Cisco ISE
• Juniper Networks
• Palo Alto Networks
• Aruba Networks
• F5 Load Balancers
• Experience with Wi-Fi standards including 802.11ac and 802.11ax.
• Experience supporting U.S. Navy, Marine Corps, or broader DoD missions.
• Familiarity with virtualization technologies and enterprise systems administration.
• Active DoD 8570/8140 compliant certification (Security+, CISSP, CCNA, CCNP, or similar)., 1. 5+ years of Experience with Cisco, Juniper, Palo Alto, Aruba network equipment and Cisco ISE 2. Installation, configuration and support of Active Directory, domain controllers, DNS, DHCP, PKI integration, and VMware vSphere in classified environments 3. Utilizing performance and network monitoring, management and other tools to ensure security and optimal performance

classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)