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Keywords: data center engineer, engineer, networking, windows, linux, NISPOM, ICD, DIACAP, ATO, system security plan, SSP, risk management framework, RMF, network administration, secure network environments, routers, switches, firewalls, network troubleshooting, network configuration, LAN/WAN, data center operations, Windows Server 2016, unix, VMware, VMware vSphere, active directory, AD, DNS, DHCP, WSUS, web services, system deployment, system configuration, CISSP, security+, SCNA, SCNP, GSLC, GSE. Possession of at least one DoD 8570‑compliant certification, such as CISSP, Security+, CISA, GSEC, CAP, SCNA, SCNP, SSCP, GSLC, or GSE.