**Description** The Leidos Human Health and Performance Contract (HHPC) has an opening for a Space Radiation Task Order Manager in Houston Texas. **Only existing HHPC employees will be considered, as the successful candidate will retain a significant amount of their current technical HHPC assignments.** The Space Radiation Task Order Manager is responsible for the technical operation, management, and administration of the Space Radiation Task Order activities on the Human Health and Performance Contract (HHPC) for NASA/Johnson Space Center (JSC). This task order provides contractor technical and organizational support as well as project management activities across several projects/programs including Space Medicine Operations Division (SMOD), Radiation Health Office (RHO), Radiation Flight Operations, Radiation Dosimetry and Sustaining Engineering, Exploration and Technology Advancement, Spacecraft Radiation Shielding Analyses and Operations, Spacecraft Radiation Monitoring Instruments, and Space Weather. **Primary Responsibilities:** + Establish a safe and healthy working environment for all employees through education, training and leadership, establish appropriate safety procedures and practices, and assure proper abatement of unsafe or unhealthy working conditions. Ensure safety is top priority. + Supervise, manage, and advise personnel with regard to day-to-day activities and deliverables. Responsible for initiating and communicating policies procedures. + Serves as a prime customer contact for the SD2/Space Radiation Analysis Group. + Meet and interact with NASA Personnel and other contract representatives in accordance with the terms and conditions of the Task Order + Plan and direct Task Order Initiation, Planning, Execution, Monitoring, and Closing + Compile and present 2.4.4 Task Order charts for the bi-yearly SD TCSR. + Manage Travel Authorizations and Expense Reports within the execution of the Task Order + Manage Task Order Employees and Subcontractor Staff, both onsite and at remote locations + Organize, direct, and coordinate execution of Task Order activities within negotiated time frames + Develop and submit a Monthly Task Order Status Report – Monthly Management Review + Provide support to the HHPC Flight and Medical Operations Department (FMOD) Manager + Attend NASA technical meetings as necessary/needed to provide expertise, Task Order inputs, or maintain situational awareness as needed to remain effective as a knowledgeable Task Order Manager. + Participate in staffing activities (interviews, resume reviews, decisions, etc.) + Prepare/conduct Task Order Leadership Tag with Subtask Leads (gather info, assess risk, make decisions, give direction, etc.) + Conduct or support NASA customer meetings as scheduled or needed. + Providing clear leadership, technical direction, and guidance to all task order personnel + Manage overall financial monitoring and reporting for the Task Order + Attend company/contract staff and management meetings. + Provide support and documentation for NASA/JSC and contractor ISO quality and VPP programs. **Basic Qualifications:** + Bachelor's degree and at least 8 years' relevant experience or a Masters degree and at least 6 years' relevant experience, including at least 5 years' experience supervising or leading teams or projects. + Proven experience with project management + Proven experience with managing personnel + Strong communication skills and comfortable presenting to customers and contract management teams + Organizational and work planning skills + Proven ability with effective written communication. + Effective use of computers and use of MS Office products **Preferred Qualifications:** + Familiarity with NASA policies and procedures. **Original Posting:** July 24, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. **Pay Range:** Pay Range $89,700.00 - $162,150.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. REQNUMBER: R-00163195 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.