**Description & Requirements** ManTech is seeking a motivated, career and customer-oriented Principal Contracts Administrator, to support our team in El Segundo, CA. Can be based out of El Segundo, CA (Los Angeles area) or Washington, DC area and must be able to travel to El Segundo, CA to attend meetings. **Responsibilities include, but are not limited to:** + Administers assigned contracts to include but not limited to contract modifications, ensuring compliance with prime contract requirements, proposal preparation, and contract negotiations with existing or prospective clients + Recommends appropriate activities to resolve performance difficulties + Maintains contract administration data and internal management systems + Prepares contractual modifications and task orders and maintains status on contract actions. + Reviews, drafts, and negotiates pre-award related contractual agreements to include NDAs, TAs, and Memorandum of Understanding (MOUs) and participates in preparation of OCI plans and helps develop mitigation strategies, as necessary. + Assists in proposal preparation and contract negotiations + Monitors company performance for conformance to original proposal and maintains continual review to ensure that all terms and conditions are met and that the contract is in accordance with legal requirements, customer specifications, and government regulations + Recommends appropriate activities to resolve performance difficulties + Prepares contracts for close-out + Responds to data calls + Coordinates with contracting officers, subcontracts administrators, program managers, auditors and other personnel for all matters pertaining to contract administration. **Minimum Qualifications:** + US Citizenship required + BA | BS Degree preferred + 5 years of contracts administration in a government contracting environment + 3+ years of experience working with key stakeholders and program leadership to collaborate and solve issues + Strong knowledge of FAR and DFARS + Experience managing a variety of contract types including CPFF, CPAF, CPIF, FFP-LOE, FFP **Physical Requirements:** + Must be able to be in a stationary position more than 50% of the time + Can work under pressure + Must be able to communicate, converse, and exchange information with peers and senior management. Must be able to exchange accurate information in these situations + Constantly operates a computer and other office productivity machinery, such as a computer For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law. If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services. If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access https://mantech.avature.net/en\_US/careers as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information.