Systems Engineer 3 with Security Clearance

Where applicable, confirmation that you meet customer requirements for facility access which may include proof of vaccination and/or attestation and testing, unless an accommodation has been approved. Secure our Nation, Ignite your Future Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you''ll help protect our national security while working on innovative projects that offer opportunities for advancement. Currently, ManTech is seeking a motivated, career and customer-oriented Systems Engineer 3 (FORNSAT/RF) to join our team in the Columbia and Hanover, MD area. Responsibilities include but are not limited to: * End to End FSAT and RF Systems Engineering to achieve customer mission objectives as aligned to stated requirements. The Systems Engineer ideally will incorporate their in-depth understanding of and demonstrated experience designing and integrating systems comprised of: FSAT processing components, dataflow applications, metadata and product repositories, virtualization and data center architectures. * Experience in antenna and RF system including command-and-control applications for large scale antenna systems Basic Qualifications: * FORNSAT and tactical processing systems experience: installation/deployment, configuration, dataflow, training, operations and lifecycle support for GOTS/COTS applications and sub-systems * Experience with training programs and offerings, experience with real-time streaming of data between processing sub-systems, interfacing with contractors/vendors to design and build against requirements. * Experience providing technical and programmatic oversight for system acquisitions from CONOP to full operating status * Experience defining and documenting technical and programmatic requirements to upgrade and enhance existing systems to meet customer needs * Experience providing engineering and programmatic oversight for life-cycle support of deployed systems * Experience designing, integration COAs, implementing, and troubleshooting datacenter network switches and routers. * Demonstrated experience supporting Life Cycle Support (LCS) services for operational capabilities, deployment of technical capabilities as part of small teams and providing remote tiered technical support to mission operators, analysts and technical liaisons (OCONUS) * Willingness and ability to travel OCONUS to support systems engineering, integration, and test activities * Twenty (20) years'' experience as an SE in programs and contracts of similar scope, type and complexity is required. Demonstrated experience in planning and leading Systems Engineer efforts is required. * Bachelor''s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required. Five (5) years of additional SE experience may be substituted for a bachelor''s degree. Preferred Qualifications: * RF experience, antenna to switch/RF Distribution and/or Demodulation a plus. Possess the communication skills to perform engineering analysis to recommend improvements in existing communication systems. * Capability to provide direct support to end users for technical inquiries and enhancement initiatives. * Experience supporting and deploying GOTS SIGINT systems and application tool sets. * Experience integrating COTS solutions into end-to-end systems of systems derived from defined requirements documentation. Clearance Requirements: A TS/SCI with Polygraph is required; however, we are able to start with Conditional Certification of Access (CCA), with the understanding the Polygraph process will begin shortly after start date. Physical Requirements:Reaching, Speaking, Standing, Talking, Working with computer/certs, Working with data, Ability to handle stress & work under pressure, oral & written communication skills, ability to us MS office, ability to use a PC, Interpersonal & people skills, and multi-tasking abilities. 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 as a result of your disability. To request an accommodation please click and provide your name and contact information.

Created: 2025-09-06