Sr Network Engineer Job at AAC (Washington, DC)

Sr Network Engineer

AAC

Location:
United States , Washington, DC

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Serves as the technical lead for network infrastructure projects and high-level troubleshooting. Must be capable of designing, configuring, and securing complex network environments independently. Responsible for advanced configurations (Cisco, Palo Alto, Zscaler, and MS Azure) and will serve as an escalation point for the Network Engineer. Position requires on-site support 3 days per week. While not anticipated, on-site requirements are subject to change based on customer requirements.

Job Responsibility:

Serves as the technical lead for network infrastructure projects and high-level troubleshooting
Must be capable of designing, configuring, and securing complex network environments independently
Responsible for advanced configurations (Cisco, Palo Alto, Zscaler, and MS Azure) and will serve as an escalation point for the Network Engineer
Support and maintain LAN/WAN, UPS and environment monitoring system for DC headquarters facility and 52 field offices
Lead the installation, configuration, and maintenance of network infrastructure including Cisco Router/switches, Palo Alto firewalls, and WAN/MPLS circuits
Manage security posture using Cisco ISE, Palo Alto firewall, and Zscaler
oversee network access controls and operations
Configure and maintain Palo Alto firewalls using Panorama for centralized management
Architect and manage site-to-site and client VPN connections to vendor, and Microsoft Azure
Perform advanced troubleshooting on WAN/MPLS services and coordinate with service providers to resolve outages
Mentor the other Network Engineers
Document network diagrams and standard operating procedures (SOPs)

Requirements:

Requires a bachelor’s degree in computer science, information technology, engineering, or a related field plus 7+ years of relevant work experience installing, supporting, and troubleshooting enterprise network systems
Additional experience can be substituted for a degree
Cisco Switching: Expert-level knowledge of Layer 2/3 switching, specifically StackWise and EtherChannel configurations
Network Security: Cisco ISE: Proven operational experience (policy creation, TACACS+, RADIUS)
Zscaler: Operational experience with ZIA/ZPA
Palo Alto: Hands-on experience with Panorama and firewall rule management
Cloud Networking: Ability to connect, secure, and manage VPNs to remote / Microsoft Azure
Network Management: Proficiency with Network Management Systems, specifically ManageEngine/OpManager/Netflow/Configuration Manager
Hands on knowledge of Cisco routers supporting MPLS Wide Area Networking, QOS, BGP, EIGRP, Multicasting routing, Extranet, MS ExpressRoute
Protocols: Deep understanding of DHCP, DNS, OSPF, and BGP
Must be available for weekend maintenance events and emergency outages
Must be engaging and proactive with critical thinking and problem-solving ability, both independently and as part of a team
Candidates must demonstrate the ability to present ideas and reports clearly in English, both orally and in writing
Must obtain agency suitability clearance prior to start date

Nice to have:

Experience supporting a nationwide mid-sized Federal agency enterprise is a plus
CCNP certification is highly desired

Additional Information:

Job Posted:
January 03, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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