Information Systems Security Engineer (ISSE) - Military veterans preferred

ManTech (


  full-time   employee

United States

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 Information Systems Security Engineer (ISSE) to join our team in Annapolis Junction, Maryland. This position is part of a team that provides engineering and Information Technology services to provision, manage, sustain, innovate, modernize, refresh, reengineer, and secure the Nuclear Command and Control (NC2) and Non-NC2 cryptographic production infrastructure.

Responsibilities include, but are not limited to:

  • Performing or reviewing technical security assessments
  • Validating and verifying system security requirements
  • Designing, developing, implementing and/or integrating Information Assurance and security system components
  • Assisting architects and systems developers in the identification and implementation of appropriate information security functionality
  • Supporting the building of security architectures
  • Enforcing the design and implementation of trusted relations among external systems and architectures
  • Assessing and mitigating system security threats/risks
  • Contributing to the security planning, assessment, risk analysis, risk management, certification, and awareness activities
  • Review certification and accreditation (C&A) documents

Basic Qualifications:

  • Bachelor’s degree and 14 years of experience or 18 years of total experience
  • Experience as a security engineering representative on engineering teams for the design, development, implementation or integration of secure networking, computing, and enclave environments
  • Experience as the primary security engineering representative on engineering teams
  • Knowledge of IA policy, procedures, and workforce structure in designing, developing, and implementing secure networking, computing, and enclave environments
  • Experience in security planning, assessment, risk analysis, and risk management
  • Experience in determining system-level solutions resolving security requirements.

Preferred Qualifications:

  • Experience supporting security authorization activities in compliance with customer Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and customer business processes for security engineering

Security Clearance Requirements:

  • Current and active TS/SCI with polygraph based upon a SSBI

Physical Requirements:

  • Must be able to remain in a stationary position 50%.
  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
  • The person in this position frequently communicates with co-workers, management, and customers, 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.

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