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, mission-oriented Senior Information System Security Engineer (ISSE), in Chantilly, VA area, with strong customer relationships. As a Senior Information System Security Engineer (ISSE), you will use your technical ISSE and IA experience to provide advice, assistance, and guidance to a government intelligence customer.

Responsibilities include, but are not limited to:

• Perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations, and recommend mitigation strategies.

• Validate and verify system security requirements definitions and analysis, and establishes system security designs.

• Apply knowledge of IA policy, procedures, and workforce structure to design, develop, and implement secure networking, computing, and enclave environments.

• Support security planning, assessment, risk analysis, and risk management.

• Identify overall security requirements for the proper handling of Government data.

• Contribute to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations.

• Review certification and accreditation (C&A) documentation, providing feedback on completeness and compliance of its content.

• Apply system security engineering expertise in one or more of the following: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification, authentication, and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing.

• Support security authorization activities in compliance with Information System Certification and Accreditation Process (ICD 503), the NIST Risk Management Framework (RMF) process, and prescribed ICs business processes for security engineering.

• Assist architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of government security policy and enterprise solutions.

• Support the building of security architectures.

• Enforce the design and implementation of trusted relations among external systems and architectures.

• Assess and mitigate system security threats/risks throughout the program life cycle.

• Participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of secure networking, computing, and enclave environments,

• Participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of IA architectures, systems, or system components,

• Participate as a primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and/or integration of secure networking, computing, and enclave environments.

• Support the Government in the enforcement of the design and implementation of trusted relationships among external systems and architectures.

Basic Qualifications:

• Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university is required. 5 or more years of ISSE experience may be substituted for a bachelor’s degree.

• 7 or more years related experience and at least 4 or more years’ experience as an ISSE on programs and contracts of similar scope, type, and complexity required.

• CISSP certification or equivalent is required.

• Occasional travel, 25% CONUS

Security Clearance Requirement:

Active/current TS/SCI with Polygraph is required.

Physical Requirements:

• Must be able to be in a stationary position more than 50% of the time

• Must be able to communicate, converse, and exchange information with peers and senior personnel

• Constantly operates a computer and other office equipment

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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