Senior Network Engineer (TOP SECRET)

About the role

SOSi, a defense and government solutions business founded in 1989, is hiring a Senior Network Engineer in Yokota, Japan. You will act as a Subject Matter Expert for network and transport (LAN/BAN/WAN) initiatives within the customer's area of responsibility, supporting over 5,000 users across the Pacific theater and contributing to Command and Control strategies.

Key responsibilities

• Analyze network systems, recommend improvements, configure Layer-2/Layer-3 devices and implement approved changes on production enterprise and data center networks
• Design, develop and implement approved LAN/WAN and cryptographic architectures, and document functional test results
• Implement approved NSA Commercial Solutions for Classified (CSfC) packages and encryption methods
• Configure, support and troubleshoot eBGP routing in a Palo Alto environment, and provide Tier-3 network support
• Perform network discovery and assessment, automate data collection with scripts, and coordinate internal and external resources
• Review customer requirements, prepare solution diagrams, timelines and List of Materials, and coordinate with circuit providers such as DISA
• Maintain network security according to DoD STIGs, review implementations, write after-action reports and complete activity reports per contract requirements

Required profile

• Active in-scope TOP SECRET clearance with SCI eligibility
• Bachelor's degree in IT, Networking or similar, or 8+ years of enterprise IT network engineering in classified DoD environments
• 5+ years of Layer-3 networking implementation and support, and 3+ years of firewall experience
• DoD 8570 IAT-II compliant (e.g. Security+ CE, CCNA, CND, CySA+, GICSP, GSEC, SSCP)
• Cisco CCNP Enterprise or Security certification
• Able to support 24/7 operations, including exercises, and work independently and in distributed teams

Required skills

• Extensive Cisco routing and switching experience
• Prior experience with DoD secure networks (firewalls, encryption/SSL, VLANs, TACLANES)
• Prior experience with NSA CSfC (MSCCP, MACP), Cross Domain Solutions and/or DISA TNE
• Preferred: CCIE, Palo Alto, Forcepoint, Brocade, Juniper, Zero Trust, VDI, ITIL and help desk tool experience