Information Systems Security Engineer, Mid-Level

AMERICAN SYSTEMS is seeking a Information Systems Security Engineer (ISSE) with demonstrated expertise supporting projects for the Department of Defense (DoD).The ideal candidate will assist our Naval Surface Warfare Center, Indian Head Division (NSWC IHD) client in the planning and execution of the cyber security requirements of DoD systems and for ensuring adherence to the DoD Risk Management Framework (RMF) process. This position will require frequent customer engagement in order to understand and solve technical issues and support the accurate and timely delivery of products for each supported program.Create authorization package records in Marine Corps Certification and Accreditation Support Tool (MCCAST) or Enterprise Mission Assurance Support Service (eMASS) for assigned systemsSupport identification of the system type (IS, IT product, IT service) and any special considerations including multi-service/agency, joint, cross domain, data classification, tactical, space, etc., to support categorizationSupport the determination of the appropriate Defense-in-Depth Functional Implementation Architecture (DFIA) defense level (DL), CYBERSAFE grade, and security categorization in accordance with (IAW) CNSSI 1253 for assigned systemsSupport the generation of controls for assigned systems IAW the DFIA DL, CYBERSAFE grade, security categorization, and applicable overlaysAssess and document the security control set for assigned systems to determine the applicability and compliance of the individual controls within the security control setDevelop Cyber Security Strategy based on the security categorization for assigned systemsDevelop Security Plan (SP) and Information System Continuous Monitoring (ISCM) strategy in MCCAST or eMASS for assigned systemsSupport the Security Control Assessor (SCA) and Authorizing Official (AO) review of the security control set to address any feedback received during the reviewCollaborate with the NSWC IHD ISSO and Security Control Validator (SCV) to develop the Security Assessment Plan (SAP)Support the NSWC IHD ISSO in implementing and testing the security control set IAW the SAP. Documenting the pre-assessment results in a Plan of Actions and Milestones (POA&M) and Security Assessment Report (SAR).Support the SCA and AO review of the pre-assessment POA&M and SAR to address any feedback received during the reviewAssist the NSWC IHD ISSO in providing updates to the Security Validation POA&M to address open vulnerabilities that were verified by the SCV during the official security assessmentBachelor’s degree from an accredited college or university in Computer Science or Information Management (Four (4) years of systems related experience or DoD 8570 IAT Level II qualifications may be substituted for a bachelor’s degree)Active Secret Clearance RequiredMinimum Five (5) years of professional experienceAt least Three (3) years of experience in defining security programs or processes for the protection of sensitive or classified informationSec+, or equivalent, requiredExperience working in a team-oriented, collaborative environment.AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $91,600.00/Yr. - USD $153,000.00/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.EEO Race/Sex/Disability Status/Veteran Status

Created: 2026-01-14