ManTech seeks a motivated, career-driven, and customer-focused Information Assurance Security Analyst to join our team in Columbia, MD. You will play a critical role in supporting enterprise infrastructure capabilities for a global mission-focused workforce. This position is part of a high-visibility effort supporting the Enterprise Infrastructure Services (EIS) organization responsible for MPO’s Enterprise Information Technology (EIT)the foundational platform for enterprise-wide users. You will partner with customers, Integrated Product Teams (IPTs), and vendors to help deliver advanced EIT capabilities through Data Center & Compute Services.Responsibilities include but are not limited to:Responsible for updating hardware and software inventory records, including associated changelog documentationParticipate in Secure the Enterprise (STE) and Secure the Network (STN) activitiesReview and address Xacta notices and maintain accurate compliance documentationComplete SEAR audit log records in alignment with Sponsor standardsReview and resolve POAMs (Plan of Action and Milestones) related to IAVA findings, including IAVAxDevelop and maintain System Security Plans (SSPs)Review system scans and collaborate with stakeholders to remediate vulnerabilities.Initiate and support the authorization process for new systems and reauthorization for legacy systemsUtilize Gatekeeper, Xacta, SEAR, and LatteArt in day-to-day security operationsMinimum Qualifications:Bachelor’s degree with twelve (12) years of relevant experienceOR Associate’s degree with fifteen (15) years of relevant experienceOR High School Diploma/GED with twenty (20) years of relevant experiencePreferred Qualifications:Experience with Gatekeeper, Xacta, SEAR, LatteArt, and similar Sponsor toolsFamiliarity with STE and STN activity coordinationExperience responding to POAMs, conducting audit log reviews, and maintaining secure system inventoriesBackground supporting SSP development and managing computer incident responsesClearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeOccasionally moves about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

ManTech is seeking a motivated, career and customer-oriented Information Systems Security Engineer to join our team in Linthicum, MD. The position is part of a team that provides security engineering in the Linthicum location and will provide implementation and/or integration of secure networking, computing and enclave environments.Responsibilities Included but are not limited to:Responsible for providing expertise in complying with Systems Security Certification & Accreditation (C&A) processes, to include discovery meetings, achieving Interim Approval to Test (IATT) and in obtaining final Approval to Operate (ATO) status for Systems Security Plans (SSP) associated with all mission systems to gain successful accreditation as well as manage all security relevant changes to the mission systems, assuring SSP documentation is up-to-date and ATO status is maintained.Perform/review technical security assessments of computing environments for non- complianceValidate and verify system security requirements definitions and analysis and establishes system security designsAssist architects and systems developers in the identification and implementation of appropriate information security functionalitySupport the building of security architectures and enforce the design and implementation of trusted relations among external systems and architecturesAssess and mitigate system security threats/risks throughout the program life cycleContribute to security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operationsReview certification and accreditation documentation and provide feedback on completeness and compliance of its content.Minimum Qualifications:Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university7 years experience as an Information Systems Security Engineer on programs and contracts of similar scope, type, and complexity.In lieu of a degree four (4) years of additional Information Systems Security Engineer experience may be substituted for a bachelor's degree.IASAE Level 2 Certificate required.Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time.Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.