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Tenth Revolution Group

Senior Network Engineer (Arlington)

Tenth Revolution Group, Arlington, Virginia, United States, 22201

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Senior Network Engineer Location:

Onsite Travel:

Up to 10% (site upgrades, maintenance, turn-ups) Team:

Technology Services

Network Engineering Employment Type:

Full-Time

Overview We are seeking an experienced and highly skilled Senior Network Engineer to join our Technology Services team at an award-winning organization with a global presence that has been recognized multiple times as one of the Best Places to Work. This role is well suited for a seasoned professional who thrives in a hands-on environment and takes ownership of implementing, maintaining, and optimizing modern enterprise network infrastructure.

In this position, you will design, deploy, and support enterprise-grade network and security systems, including next-generation firewalls, campus switching, and enterprise wireless environments. Your expertise will directly impact network reliability, performance, and security through strong architectural design, automation, and disciplined change management practices across a dynamic, multi-site environment.

This senior-level role requires deep technical expertise in networking and network security, with particular emphasis on Palo Alto Networks firewalls and Cisco/Meraki wired and wireless technologies, within a collaborative, high-performance culture that values innovation, technical excellence, and long-term career growth.

Core Tools & Technologies Vendors / Operating Systems: Palo Alto Networks (PAN-OS, Panorama) Cisco (IOS) Meraki SonicWall (SonicOS, NSM) Ruckus

Protocols & Networking Concepts: BGP, STP, LACP VLANs, Inter-VLAN Routing 802.1X (EAP) IPsec & SSL VPN QoS, DNS/DHCP, NAT, IPv6 EtherChannel, MC-LAGG / vPC

Security Capabilities: Malware Prevention, Anti-Spyware, Antivirus Vulnerability Protection, File Blocking, Data Filtering DNS Security, DoS/DDoS & Zone Protection Micro-Segmentation / ACLs Zero Trust Networking (ZTNA)

Key Responsibilities Network Implementation:

Design, configure, and deploy LAN, WAN, and wireless networks, including switches, firewalls, access points, and supporting hardware and software. Wired & Wireless Network Management:

Own the lifecycle of Cisco switching and Meraki wireless environments, including deployment, configuration, tuning, monitoring, and capacity planning. Troubleshooting & Performance:

Act as a senior escalation point for network-related issues, performing advanced troubleshooting and root cause analysis (RCA) to maintain availability and performance. Firewall & Network Security:

Manage and support Palo Alto Networks NGFWs and Panorama, implementing security policies, NAT rules, segmentation strategies, and threat prevention best practices. Documentation & Collaboration:

Maintain accurate network documentation and collaborate cross-functionally to deliver projects, implement changes, and resolve issues effectively.

Mandatory Qualifications (in order of importance) Cisco & Meraki Expertise Extensive hands-on experience with Cisco IOS switches and Meraki switches and access points. Deep experience designing, deploying, and operating Meraki MR wireless environments, including Dashboard administration, RF optimization, and 802.1X authentication. Strong mastery of enterprise networking fundamentals: VLANs, trunking, STP, inter-VLAN routing, LACP/EtherChannel, MC-LAGG/vPC, DHCP Snooping, and BPDU Guard. 710+ years of experience configuring and troubleshooting enterprise wired and wireless networks.

Advanced Troubleshooting Skills Proven ability to diagnose complex network issues using tools such as Wireshark/TCPDump, ping, and traceroute. Strong preference for candidates with CCNP- or CCIE-level troubleshooting expertise, particularly in wireless environments. Demonstrated experience troubleshooting NGFW policies and advanced security features, including URL Filtering, DNS Security, Threat Prevention, Data Filtering, App-ID, and User-ID.

Communication Skills Excellent written and verbal communication skills. Ability to clearly explain complex technical concepts to both technical stakeholders and non-technical audiences, including leadership.

Palo Alto Networks Expertise Proven hands-on experience configuring, managing, and troubleshooting Palo Alto Networks NGFWs and Panorama. Strong knowledge of high availability (HA), device groups, templates, and best-practice implementation of full NGFW feature sets. 35+ years

of experience operating Palo Alto Networks firewall environments.

Desired Qualifications Certifications: Cisco Certified Network Professional (CCNP) Palo Alto Networks Certified Network Security Engineer (PCNSE)

Additional Technical Experience: Familiarity with SonicWall firewalls and/or Ruckus wireless systems. Strong understanding of BGP, route maps, and route redistribution. Experience with Palo Alto Advanced Routing Engine (ARE) and multivirtual router designs. Hands-on experience with 802.1X, RADIUS, PKI, DNS, and related services. Exposure to network automation and infrastructure-as-code tools such as Ansible, Terraform, Jinja2, and PAN-OS APIs.

Why Join This Team You will be part of a small, high-impact engineering team responsible for mission-critical network and security infrastructure across multiple sites. This role provides the opportunity to work with modern technologies, influence architectural standards, and contribute to a secure, scalable, and high-performing enterprise network environment.