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 System Security Officer - Mid (ISSO) to join our team in the Chantilly, VA area.

A qualified ISSO will ensure that the appropriate operational security posture is maintained for assigned information systems and as such, works in close collaboration with the Information System Security Manager (ISSM). Ensure that cyber security requirements are effectively integrated into information systems' operations, management, and documentation. Provide critical systems, application and infrastructure support to the customer. Work with a team across multiple technical areas to include security, and systems administration. Offers a great opportunity for technical and professional growth.

Responsibilities include, but are not limited to:

• Controlling, labeling, virus scanning, and appropriately transferring data between information systems at varying classification levels.

• Inspecting computer hardware prior to disposal.

• Assessing and responding to security-related requests within various ticketing systems.

• Analyzing new software requests.

• Maintaining operational security posture for information systems.

• Performing risk assessment analysis to support Assessment and Authorization (A&A).

• Preparing and reviewing A&A documentation in accordance with ICD 503.

• Supporting industry partners with their A&A efforts.

• Prepare system documentation for assessment in accordance with the Risk Management Framework (RMF); identify deficiencies and provide recommendations for solutions; track findings with Plan of Action and Milestones (POA&M) through mitigation and risk acceptance.

• Create security policies and maintain existing information system security documentation

• Conduct periodic and continuous reviews of the system to ensure compliance with the authorization package; perform Nessus scans and coordinate with O&M support to correct.

• Conduct daily, weekly and monthly audit review and management of the audit collection system.

• Continuously review/evaluate best practices for implementing comprehensive audit program.

• Implement vulnerability management programs, including tracking and addressing IAVAs and security patches, accessing applicability to existing systems, and ensuring closure.

• Implement media control and data transfer policies.

Position Requirements:

• Bachelor’s degree, or equivalent, and 8 or more years of relevant experience.

• Familiarity with information system security principles.

• Ability to build rapport with military, civilian, and contractor personnel at all levels.

• Knowledge of security-related IC and DoD policies, procedures and operating instructions.

• One of the following certifications required Information Assurance Management (IAM) Level II (CAP, GSLC, CISM, CASP, CISSP, Security+) level, or higher certification.

• Experience with Insider threat is highly desired.

Security Clearance Requirements:

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 productivity machinery, such as a computer

#LI-CW1

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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