ProSidian seeks an Internal Review Security Engineer I located In Arlington, VA (or surrounding area) to support an engagement for Business Analysis and Management Support Services (BAMSS) on behalf of A Federal Government Agency. The ProSidian Engagement includes but is not limited to Management & Operations Consulting related to non-personal service to: provide competent leadership, and highly specialized support and technical guidance for the planning, development and execution of the entire Technology development and Business Analysis and Management Support lifecycle. Serve as a technical expert for Business Analysis and Management Support Team related activities with specialized experience in current Business Analysis and Management Support benchmarks, practices and testing methods. The Internal Review Security Engineer I leads in providing cyber security scanning and assessment services. Assume a lead role within the practice area in order to ensure that the overall performance of the reviews exceeds client expectations, that deliverables are of an exceptional quality, and that data tracking and trending is managed efficiently. Conduct/run vulnerability scans using a variety of COTS and GOTS products. Assess control cases using the NIST framework including NIST SP Series: 800-37, 800-53, 800-18, 800-26, 800-30, 800-34 and 800-53. Provide customized, logical solutions for concerns that arise throughout the course of an assessment. Work with aggressive timelines to producing accurate reports. Deliver presentations to articulate requirements, findings, and guidance to Government personnel. Strong knowledge of mainframe and ACF2 security control operation, network topologies, TCP/IP, and boundary protection appliances. Familiarity with subnetting, DNS, encryption technologies and standards, VPNs, VLans, and other network routing methods. Strong knowledge of mainframe, network components, system security appliances, and custom application information flows. Ability to work both independently and in highly collaborative, team environments Knowledge of network architectures, current networking technologies and features, security requirements, application features, and other security issues. Must be a Certified Information Systems Security Professional (CISSP) certification.