Senior Network Engineer

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 is seeking a skilled and motivated Network Engineer to design, implement, secure, and maintain enterprise network infrastructure supporting business and customer operations. The Network Engineer will be responsible for network architecture, routing and switching, firewall administration, performance optimization, troubleshooting, and ongoing modernization efforts. The ideal candidate has experience supporting complex LAN/WAN environments, cloud networking technologies, and security-focused network operations.

Key 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 standard operating procedures.
• Support cloud networking environments, including Azure and AWS connectivity solutions.
• Collaborate with cybersecurity teams to ensure compliance with organizational security requirements.
• Perform vulnerability remediation and support audit and compliance activities.
• Participate in on-call support and incident response activities as required.
• Provide technical recommendations regarding infrastructure improvements and emerging technologies.

Report network health, project status, and operational metrics to leadership and stakeholders.

Required Qualifications

• Bachelor’s degree in Information Technology, Computer Science, 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, and EIGRP
  • VLANs and network segmentation
  • DNS and DHCP
  • VPN technologies
  • 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.

Preferred Qualifications

• Cisco Certified Network Associate (CCNA)
• Cisco Certified Network Professional (CCNP)
• CompTIA Network+
• CompTIA Security+
• Palo Alto, Fortinet, or Juniper certifications
• Experience supporting cloud networking in Azure or AWS.
• Experience supporting federal government or DoD environments.
• Familiarity with NIST, DISA STIGs, RMF, or CMMC requirements.

Clearance

Active Secret clearance or higher clearance required.

Salary Range

• Minimum $130,000 to $160,000 maximum

The salary range listed for this position reflects Akumen, Inc.‘s current estimate of the expected compensation for this role at the time of posting. Actual compensation may vary based on a variety of factors, including a candidate’s experience, education, certifications, technical skills, security clearance status, geographic location, and alignment with contract, labor category, and customer requirements. Compensation decisions may also be influenced by contract award status and available funding

Akumen, Inc. is an equal employment opportunity employer. All employment decisions are made based on qualifications, merit, and business needs, and without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. We are committed to a respectful and inclusive workplace where all individuals have the opportunity to succeed. Akumen, Inc. maintains a drug-free workplace consistent with applicable local, state, and federal laws.