Philip L. Beall, Jr
Gainesville,VA
Summary
Senior Network Architect and Deputy Chief Engineer with 20+ years of experience designing, securing, and modernizing enterprise-scale infrastructures across federal, intelligence, and commercial sectors. Proven leader of $100M+ transformation efforts and hands-on technical architect with expertise in transport security, data center connectivity, and hybrid cloud networking. Recently led a large hybrid engineering and Tier 3 operations team, overseeing end-to-end delivery of critical infrastructure, application performance, and operational stability. Known for deep troubleshooting expertise — from complex application-layer issues to low-level network anomalies — with a track record of restoring critical services, resolving persistent pain points, and delivering long-term performance improvements. Experienced in Zero Trust-aligned architectures, including MACsec-256 encryption and EVPN-based interconnects, with a strong focus on flexibility, continuous improvement, and mission impact.
Overview
22
22
years of professional experience
1
1
Certification
Work History
Deputy Chief Network Engineer | Network Architect
CACI, INC.
07.2019 - Current
- Lead enterprise-wide network transformation efforts supporting federal and intelligence missions
- Provide architectural guidance, cybersecurity strategy, and modernization planning for multi-cloud and on-prem environments
- Directed a blended team of senior engineers and Tier 3 support personnel, managing both strategic design work and real-time operational escalations
- Led a team of engineers through the CSfC wireless certification process; currently overseeing the deployment of the approved solution across the enterprise
- Executed a full BOD transport network redesign, improving connectivity across all unclassified ISP environments
- Defined data-in-transit encryption requirements for Zero Trust Framework (ZTF) and implemented MACsec-256 to secure link-layer communications
- Architected EVPN-based multihomed data center and LAN connectivity, enabling resiliency and seamless failover
- Diagnosed persistent performance issues through deep traffic analysis, segmentation review, and targeted architectural adjustments
- Integrated SD-WAN and AI-enabled monitoring tools to boost segmentation, threat visibility, and self-healing response
- Advanced automation initiatives using a combination of orchestration platforms to reduce provisioning time, eliminate manual error, and improve consistency
- Acted as final technical escalation for high-severity network and application issues across WAN, LAN, VPN, and cross-domain systems
Project Engineering Lead
CACI, INC. (formerly L-3 Communications)
12.2014 - 07.2019
- Led global engineering initiatives for enterprise and mission partner networks, delivering modernization, secure transport, and high-performance connectivity
- Delivered $100M+ multisite core backbone upgrade, enabling real-time data center replication and seamless disaster recovery
- Replaced SONET-based infrastructure with L3VPN carrier-to-carrier Ethernet backbone, increasing speed and reliability while cutting recurring costs
- Integrated WAN optimization technologies to enhance VDI performance and remote application access across distributed users
- Extended IPsec transport over SATCOM, enabling global secure communications with zero-dollar recurring circuit costs
- Designed scalable L2/L3 VPN-based WAN solutions for secure, interoperable partner connections
- Resolved chronic throughput and routing inefficiencies through deep configuration analysis and network re-architecture
- Performed detailed network risk assessments and performance audits to inform infrastructure investment and SLA compliance
Senior Network Engineer
Applied Network Solutions
04.2012 - 12.2014
- Engineered and modernized secure MPLS-based architectures for multi-agency environments
- Delivered reliable performance and resilient connectivity for classified and unclassified systems
- Built and deployed multi-tiered MPLS backbones to replace aging ATM systems, supporting multiple federal clients
- Developed advanced MPLS WAN architecture using OSPF, BGP, RSVP-TE, and DiffServ-aware TE (Russian Dolls Model)
- Designed cost-effective IPsec transport frameworks for global communications, eliminating dependency on high-cost leased lines
- Troubleshot and resolved complex QoS mismatches, routing asymmetries, and latency issues across segmented networks
- Coordinated secure peering and interconnectivity across defense agencies and mission partner networks
Operations Manager, Technical Lead, Network Technician
U.S. Air Force
11.2002 - 01.2012
- Held progressive leadership and technical roles supporting secure communications, critical network infrastructure, and classified operations
- Directed the design, testing, and deployment of MPLS backbone systems supporting high-availability mission environments
- Served as Technical Evaluator for $100M+ source selection processes focused on infrastructure modernization
- Led classified and unclassified circuit migrations with zero-impact cutovers in sensitive operational settings
- Maintained and supported over 200 Solaris-based systems, with full responsibility for OS-level tuning and network performance
- Oversaw BRAC-related network transitions, maintaining mission continuity during site decommissioning and infrastructure realignment
- Investigated and resolved connectivity, latency, and encryption-related issues affecting classified WAN and secure voice operations
Education
Bachelor of Science - Information Systems (Internetworking Focus)
Strayer University
Washington, D.C.09.2011
Associate in Applied Science - Electronic Systems Technology
Community College of the Air Force
09.2009
Skills
- MPLS
- BGP
- OSPF
- EVPN
- Segment Routing
- L2/L3 VPNs
- VXLAN
- MACsec-256
- Zero Trust Requirements
- SD-WAN
- Network Automation & Orchestration Tools
- Python
- WAN Optimization
- Hybrid Cloud Networking
- AWS
- Azure
- Root Cause Analysis
- Deep Packet Inspection
- Tier 3 Operational Support
Certification
- Security+
- Juniper JNCIA
- Fiber Optic Installation Certification
- ITIL Foundations
Clearance
Active TS/SCI Clearance with CI Polygraph
Timeline
Deputy Chief Network Engineer | Network Architect
CACI, INC.
07.2019 - Current
Project Engineering Lead
CACI, INC. (formerly L-3 Communications)
12.2014 - 07.2019
Senior Network Engineer
Applied Network Solutions
04.2012 - 12.2014
Operations Manager, Technical Lead, Network Technician
U.S. Air Force
11.2002 - 01.2012
Associate in Applied Science - Electronic Systems Technology
Community College of the Air Force
Bachelor of Science - Information Systems (Internetworking Focus)
Strayer University
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