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, Senior F5 Principal Engineer to join our team in the Chantilly, VA area.

Responsibilities include, but are not limited to:

• Provide Tier-3/4 level support for F5 related architecture

• Ability to listen and collaborate with audiences ranging from IT administrators to executive level stakeholders to help deliver solutions

• 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

• Hands on knowledge of TCP/IP and UNIX/LINUX variants.

• Demonstrated experience and knowledge of network devices (routers, switches, etc.) including such topics as HTTP headers, ISO layers, and TCP flags

• Familiar with F5 Architecture and comfortable with creating and managing multiple Route Domains and/or Partitions

• Lead complex troubleshooting efforts and on-site/remote support

Basic Qualifications:

• Bachelor’s Degree in Engineering, Computer Science, Information Technology, or Science, Technology, Engineering and Mathematics (STEM) related field with 8+ years of experience.

• Familiar with working in an environment with development, engineering, sustainment, and overall O&M activities for a secure government system

• Relevant F5 Certified Professional certifications and must remain current with changes

• Must possess the required DoD Directive 8570.1 IAT Level II or higher certification

Security Clearance Requirements:

• Must possess an active TS/SCI w/ a CI polygraph.

Physical Requirements:

• Must be able to remain in a stationary position 75% of the time.

• 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. Must be able to exchange accurate information in these situations

• Must be able to detect information on a computer screen

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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