Information System Security Engineer

Leidos is seeking an Information System Security Engineer (ISSE) to support cybersecurity authorization related efforts for SMIT. SMIT is the largest IT services program for the Navy. Under the Service Management, Integration, and Transport (SMIT) program, the Leidos team will deliver the core backbone of the Navy's enterprise network (NMCI), including cybersecurity services, network operations, service desk, and data transport. Ultimately, the Leidos team will support the Navy in unifying its shore-based networks and data management to improve capability and service while also saving significant dollars by focusing efforts under one enterprise network.

The ISSE will perform cybersecurity authorization services, including acting as a main point of contact for cybersecurity authorization related aspects to the assigned information systems, ensuring systems are maintained per security policies and procedures and maintaining compliance and ongoing reporting to management. Responsibilities include: Serve as a primary information system security engineer (ISSE) for Authorization to Operate (ATO) packages under the Navy Risk Management Framework (RMF) Assist in the development and review of ATO submissions and coordinate all updates and corrections to assessment and authorization (A&A) artifacts Evaluate software and hardware during pre-acquisition phases to determine its ability to meet minimum security requirements based on NIST SP 800-53 Rev 5 security controls. Author, review, coordinate and submit cybersecurity authorization required artifacts to eMASS (including change requests) to achieve milestones such as Interim Authority to Test (IATT) and ATO in accordance with the project schedule. Support conducting cybersecurity authorization activities to comply with all current Cybersecurity and IA manuals, instructions, and guides within the DoDI 8500.01, DON 5239, the RMF Process Guide, and the RMF Risk Assessment Guide. Continuously monitor system resources through automated scanning and implement automated reporting feeds to support cybersecurity authorizations Verify patch compliance using the approved technical solution (i.e., Assured Compliance Assessment Solution (ACAS)), Information Assurance Vulnerability Alert (IAVA) compliance dashboards, and Microsoft Defender for Endpoints. Coordinate with local administrators to troubleshoot and elevate patching issues in a timely manner in order to meet patch compliance timelines. Assist with the implementation of security procedures, and verify information system security requirements, including coordinating the execution, review, and disposition of Security Technical Implementation Guide (STIG) checklists for systems, applications, developed code and other components. Independently develop and maintain system security documentation, including drafting, reviewing, editing and recommending guidance for Standard Operating Procedures (SOP), Tactics, Techniques, & Procedures (TTP), Plan of Action and Milestones (POA&M) and Federal Information Security Management Act (FISMA) Score Card. Participate in regular briefings with the customer on cybersecurity statuses, including preparing briefing materials. Work closely with government Cyber team to support ATO conditions and requirements Support site visits / audits, including System Readiness Reviews (SRR) Ensure secure, effective and efficient operation of network systems, architecture, and topology Assist with the development and application of business processes to ensure they have the appropriate level of security Participate in strategic network, security, and operations new technology planning As a cybersecurity authorization services security expert, assist the engineering managers in employing approved defense-in-depth principles and practices (e.g., defense-in-multiple places, layered defenses, and security robustness) Discuss and document the Ports, Protocols and Services (PPS) to include ensuring the