Cyber Subject Matter Expert, Scientist (Tanium Content Developer) - Military Veterans

at Mantech International Corporation

, Virginia

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 Tanium Content Developer to join our team in McLean, VA.

We need you to join the team who defends the largest target in the world using your expertise in HostBased IDS, IPS and specialized network defense. This position will utilize the latest cyber tools available, assist in creating new ones, and allow you to advance the nation’s information security posture. This McLean based position will be Monday – Friday with core hours. At ManTech, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

Responsibilities include, but are not limited to:

The CIRT/CSOC Countermeasures Engineer on this Agency-level Cyber Security support contract performs duties including:

  • Creation, editing, and management of Tanium packages, dashboards, and saved questions.
  • Manages and administers the tuning of rules, signatures, and custom content for specialized CND applications and systems.
  • Identified potential conflicts with implementation of any CND tools within the enterprise and develop recommendations to remediate these conflicts.
  • Innovates creative solutions to challenging problems.
  • Provides logical use case development.
  • Provides and tracks requirements to engineering partners.
  • Identifies gaps in visibility or coverage of cyber defense systems.
  • Prepare data analytics and reporting.

Basic Qualifications:

  • Minimum 15 years of progressively responsible experience in Cyber Security, InfoSec, Security Engineering, Network Engineering with emphasis in cyber security issues and operations, cyber incident response, systems architecture, data management.
  • Familiarity with the following classes of enterprise cyber defense technologies:
    • Tanium Core, IR Gatherer, Discover, Threat Response, Protect, Reveal
    • Security Information and Event Management (SIEM) systems
    • EDR Solutions
    • Network and Host forensic applications
    • Web/Email gateway security technologies
    • Experience with Python, Javascript, Yara, Snort, or similar languages
  • Strong analytical and problem-solving skills
  • Demonstrated expertise working with Tanium and developing custom content.
  • Required Certifications: DOD 8570 IAT level I or CSSP-IR
  • Required Degree: BS (bachelor’s degree in electrical engineering, computer engineering, computer science, or other closely related IT discipline)

Preferred Certifications:

  • CEH or CISSP

Security Clearance Requirements:

  • TS/SCI with Polygraph

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.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.

, Virginia

ManTech was founded in 1968 to provide advanced technological services to the United States government. We began with a single contract with the U.S. Navy to develop war-gaming models for the submarine community. Over the years, our government's technology needs have increased dramatically in scope and sophistication, and we have grown to meet that challenge.


For more than 4 decades, we kept a careful eye on where emerging technologies were taking the government, and we developed the resources to master those technologies—by staying close to our customers and anticipating their needs, hiring talented professionals to propel us into the future, and acquiring companies with proven capabilities.


Today, we are a multi-billion-dollar public company that provides the innovation, adaptability, and critical thinking our government needs for success in defense, intelligence, law enforcement, science, administration, health, and other fields—throughout the nation and in many countries throughout the world. We are now applying the lessons learned in the unforgiving arena of national security to help the private sector protect networks and critical information.

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