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Security Controls Engineer (SCE) III
Security Controls Engineer (SCE) III-March 2024
San Antonio
Mar 28, 2026
About Security Controls Engineer (SCE) III

  Secure our Nation, Ignite your Future

  Summary:

  Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech, 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 Security Controls Engineer (SCE) III to join our team in San Antonio, TX .

  Description:

  The Security Controls Engineer (SCE) III assesses management, operational, and technical security controls employed within an IS or needed to ensure security controls compliance, and engineers security controls selection and implementation to meet system security requirements. They collaborate with the Security Controls Assessor to rate the severity of weaknesses or deficiencies discovered in the IS and its environment of operation and engineer corrective actions to address identified vulnerabilities. They also engineer advanced enterprise-scale security control solutions to counter multi-cloud cyber threats. Responsibilities cover Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities within the customer’s area of responsibility. They regularly assess customer environment security needs to identify and implement security controls to harden systems and reduce their attack surface; apply cyber engineering skills to design and build secure systems for agency customers; assist with the development and maintenance of Risk Management Framework (RMF) packages and provide design considerations, trade-offs, and solutions as required from in-depth system analysis; and identify the right mix of tools and techniques to translate customer needs and future goals into a Security Controls Plan that will enable secure and effective operations. As a Security Team member, they support a critical approach to network design, providing alternatives and customizing solutions to maintain a balance of security and compliance needs. Their focus is on integrating secure practices, such as endpoint-based detection, identity, access management, advanced analytics, intrusion detection, and advanced autonomy analysis, to meet customer operational security objectives. The SCE III brings engineering expertise to enterprise security controls. The Security Controls Engineer (SCE) III supervises and mentors subordinate project and Team ManTech staff.Basic Qualifications:

  A minimum of five (5) years of position-specific relevant experience.

  Bachelor’s degree in science, technology, engineering, and mathematics (STEM) with 9 years of experience. (Can be substituted for a HS diploma with 13 years of experience or an Associates degree with 11 years of experience.)

  DoD 8570.01-m IAT Level III Certification.

  5+ years of cybersecurity controls implementation or systems engineering.

  Experience with ACAS vulnerability scans, SCAP scans, and STIG checklists.

  Experience with implementing cybersecurity for Federal Agency systems.

  Knowledge of RMF development and demonstrated ability to validate the implementation of security controls in accordance with NIST, DoD, and Federal Agency publications.

  Preferred Qualifications:

  Master's degree in Cybersecurity.

  CISSP, CCSP, or IAM III qualifying certifications.

  Clearance Requirements:

  The ability to obtain and maintain a TS/SCI Eligible Clearance is required prior to starting this position.

  Must be a US Citizen.

  Physical Requirements:

  The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.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 http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click [email protected] and provide your name and contact information.

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