**Overview** **_**This position is contingent upon award of contract**_** SOSi is currently seeking a **Computer Network Defense Senior Subject Matter Expert** at **Fort Huachuca, AZ** . The Computer Network Defense Senior SME reports to the WAN Branch Manager and monitors WAN network critical infrastructure assets and circuits for the WAN Team. **Essential Job Duties** + Responsible for the acquisition, installation, maintenance and usage of the company’s local area network. + Studies contractor products to determine those which best meet company needs + Assists in presentation of information to management resulting in purchase and installation of hardware, software, and telecommunication equipment. + Manages network performance and maintains network security. + Ensures that security procedures are implemented and enforced. + Installs all network software. + Evaluates, develops and maintains telecommunications systems. + Troubleshoots network problems. + Establishes and implements network policies, procedures and standards and ensures their conformance with information systems and company’s objectives. + Trains users on network operation. **Minimum Requirements** + Active in scope TOP SECRET/SCI clearance. + BA/BS +8 years of experience similar in size, scope, and complexity or AA/AS +10 or HS diploma +12 + Must meet DoD 8140 DCWF 451 requirements ((TBD)* or M0923W1 or A-102-5888 or A-102-5599 (SNOOP) or A-531-0045 or A-113-0381 or A-113-0381 or A-113-0342 or A-121-0594 (P/L) or A-104-0084 or A-150-4219 (P/L) or A-150-9020 (P/L) or FITSP-O or GFACT or CASP+ or CCNP Security or CCSP) + ITIL v3 or higher certification w/in 90 days of contract start date or hire. + Knowledgeable in the mission and operational requirements of the U.S. Army + Demonstrated understanding of U.S. Army IT operational and technical requirements and an advanced understanding of U.S. Army IT applications and network systems + Expertise in complex information systems architectures involving multiple disparate databases, networks, and communications subsystems + Must be willing to work overtime, after hours, holidays, and weekends, as necessary + Knowledge of installation, maintenance, troubleshooting, and support of Cisco Internetworking Devices. + Knowledge of installation, maintenance, troubleshooting, and support of Juniper Internetworking Devices. + Knowledge of Standard Routing Protocols, i.e. EIGRP, BGP, OSPF, etc. + Knowledge of TCP/IP ports, protocols, and subnetting. + Network fundamentals. + Network services such as: DNS, DHCP, NTP, and LDAP. + Cybersecurity fundamentals. + IT Industry terminology. + Advanced troubleshooting and problem solving techniques. + Excellent oral and written communication. **Preferred Qualifications** + Master’s degree in Network Management, Telecommunications, Cybersecurity, National Security Strategy, or a related field + ITIL 4 Certification + Detailed understanding of the Army Unified Network Plans **Work Environment** + Working conditions are normal for an office environment. + Fast paced, deadline-oriented environment. + May require periods of non-traditional working hours including consecutive nights or weekends (if applicable). **Working at SOSi** All interested individuals will receive consideration and will not be discriminated against for any reason.