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 will 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 Cyber Security Engineer, Principal to join our team in the Chantilly, VA area.
Responsibilities include, but are not limited to:

• Provide performance tuning to systems and troubleshoot HBSS components which span a large and complex environment
• Install updates to Trellix software as released and in compliance with STIG requirements
• Deploy, maintain, and tune Trellix clients to meet current and future standards
• Develop/create, deploy, and manage custom HBSS signatures
• Monitor HBSS for intrusions, failures and other issues, repair/re-engineer as needed
• Monitor HBSS software to ensure that the clients/servers are operational and reporting properly; test and provide software fixes as needed
• Monitor the health and performance of the systems
• Ability to listen and collaborate with audiences ranging from IT administrators to executive level stakeholders to aid in solution delivery
• Excellent troubleshooting skills and ability to identify root causes of issues and provide solutions
• Strong interpersonal and presentation skills, both oral and written, with the ability to articulate and educate others about complex technology with business acumen
• Lead complex troubleshooting efforts and on-site/remote support
• Technical writing to produce written reports and document customer security infrastructures, recommendations and best practices
• Provide recommendations and support the creation of policies and procedures including final configuration, tuning, and troubleshooting of Trellix products adapted to customer environment

Basic Qualifications:

• Familiar working in an environment with development, engineering, sustainment, and overall O&M activities for a secure government system
• Experience (hands-on) in Windows/Linux/OS-X operating systems
• Demonstrated experience (hands-on) with databases such as MSSQL, Oracle, MYSQL
• Hands-on experience with any or all products (not all inclusive): ePO, ENS, Application Control, Advanced Threat Detection/Prevention, DLP
• Minimum Education: B.S. or relevant experience in related field
• Minimum/General Experience: 7 years of relevant work experience
• Must have or be willing to obtain IAT Level II certification within 6 months of hire
• HBSS Administrator 201, 301, 501 ePO Certificate (can obtain once hired)

Security Clearance Requirements:

• Must possess an active TS/SCI w/polygraph

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 . 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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