Senior Network Engineer - Cloudflare & Zero Trust

PKH Enterprises is seeking a Senior Network Engineer to support a federal customer in the design, operation, and security of enterprise network and cloud infrastructure environments. This role plays a critical part in maintaining secure network connectivity, supporting Zero Trust initiatives, and ensuring the availability and performance of mission‑critical infrastructure.

This position is fully remote; however, candidates must reside within the National Capital Region (NCR) and be available to support occasional after‑hours maintenance activities and priority network incidents as needed.

• Administer and maintain enterprise networking environments supporting federal operations.
• Manage and support Cloudflare services and Zero Trust networking capabilities.
• Configure, monitor, and troubleshoot routers, switches, firewalls, and related network security technologies.
• Perform software, firmware, and security updates on Cisco networking equipment, including Cisco ASA firewalls.
• Utilize Network Access Control (NAC) technologies to enforce secure access across the enterprise.
• Monitor network performance, availability, and capacity using enterprise monitoring tools and proactively address operational issues.

• Administer networking components across AWS, Microsoft Azure, and Google Cloud Platform environments.
• Manage cloud networking resources, including:
  • Virtual Private Clouds (VPCs)
  • Azure Virtual Networks (VNets)
  • Subnets
  • Network Security Groups (NSGs)
  • Routing tables
  • Firewall policies
• Support the implementation and operation of Zero Trust network architectures.
• Manage and enforce IP access controls in accordance with cybersecurity guidance.
• Investigate and respond to anomalous or suspicious network activity in collaboration with cybersecurity teams.
• Support secure connectivity between cloud, on‑premises, and remote environments.

• Respond to network incidents and service disruptions in accordance with established Service Level Agreements (SLAs).
• Diagnose and resolve complex networking issues involving routing, switching, cloud connectivity, firewalls, and security controls.
• Develop and maintain network diagrams, configuration documentation, and operational procedures.
• Partner with infrastructure, cybersecurity, cloud, and application teams to support enterprise technology initiatives.
• Contribute to modernization efforts and recommend improvements that enhance network reliability, scalability, security, and performance.

• Ability to obtain and maintain a Public Trust clearance.
• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline. Relevant experience may be substituted for education.
• Eight (8) or more years of experience supporting enterprise network environments.
• Experience administering enterprise routers, switches, firewalls, and related network infrastructure.
• Hands-on experience supporting Cloudflare solutions and Zero Trust networking technologies.
• Experience managing Cisco networking equipment, including Cisco ASA firewalls.
• Experience performing network device lifecycle management, upgrades, and patching activities.
• Experience working with Network Access Control (NAC) solutions and network monitoring platforms.
• Experience administering cloud networking services within AWS, Azure, and GCP environments.
• Strong knowledge of:
  • TCP/IP
  • DNS
  • VPN technologies
  • Routing and switching
  • Enterprise firewall administration
  • Zero Trust networking concepts
• Demonstrated ability to troubleshoot complex enterprise network issues.
• Excellent communication, analytical, and problem‑solving skills.
• Ability…