Senior Network Engineer: Enterprise & Cloud Networking

Akumen, Inc.; Washington (District of Columbia); On-site; USD 130,000 - 160,000; Full time

Job summary

Akumen, Inc. is seeking a Network Engineer to design, implement, secure, and maintain enterprise network infrastructure across LAN/WAN, cloud connectivity, and security-focused operations.

The role involves designing and supporting Cisco/Juniper/Aruba networks, configuring firewalls, VPNs, DNS/DHCP, and ongoing modernization efforts while collaborating with cybersecurity teams to ensure compliance and incident response readiness.

Qualifications

• Bachelor’s degree in IT, CS, engineering, or related field (or equivalent experience).
• 5+ years of experience designing, implementing, and supporting enterprise networks.
• Experience with Cisco, Juniper, Aruba, Palo Alto, Fortinet, or similar networking platforms.
• Strong understanding of TCP/IP, OSPF/BGP/EIGRP, VLANs, DNS, DHCP, VPN technologies, and network security principles.
• Experience configuring and troubleshooting routers, switches, and firewalls.
• Knowledge of network monitoring and analysis tools.
• Strong documentation, communication, and problem-solving skills.

Responsibilities

• Design, implement, and maintain secure LAN, WAN, WLAN, and VPN network infrastructures.
• Install, configure, and support routers, switches, firewalls, load balancers, and other network appliances.
• Monitor network performance, availability, and capacity to ensure optimal operations.
• Troubleshoot and resolve network outages, latency issues, and connectivity problems.
• Configure and maintain DNS, DHCP, VLANs, routing protocols, and network security controls.
• Implement and maintain firewall rules, access controls, and network segmentation.
• Plan and execute network upgrades, migrations, and technology refresh initiatives.
• Develop and maintain network diagrams, technical documentation, and SOPs.
• Support cloud networking environments, including Azure and AWS connectivity solutions.
• Collaborate with cybersecurity teams to ensure compliance with security requirements.
• Perform vulnerability remediation and support audit and compliance activities.
• Participate in on-call support and incident response activities.
• Provide technical recommendations regarding infrastructure improvements and emerging technologies.
• Report network health, project status, and operational metrics to leadership and stakeholders.

Skills

TCP/IP

Routing protocols

Network security concepts

DNS/DHCP

Network troubleshooting

Education

Bachelor’s degree in Information Technology, Computer Science, Engineering, or related field

Tools

Cisco equipment

Juniper equipment

Aruba devices

Palo Alto firewalls

Fortinet devices

Azure networking

AWS networking

Job description

Akumen, Inc. is seeking a Network Engineer to design, implement, secure, and maintain enterprise network infrastructure across LAN/WAN, cloud connectivity, and security-focused operations.

The role involves designing and supporting Cisco/Juniper/Aruba networks, configuring firewalls, VPNs, DNS/DHCP, and ongoing modernization efforts while collaborating with cybersecurity teams to ensure compliance and incident response readiness.