Lead Information Security Engineer

2 weeks ago


Chantilly, Virginia, United States ManTech Full time

Protect Our Nation, Shape Your Future

Become a vital member of a diverse workforce at an industry-leading organization where employee welfare is prioritized. At ManTech International Corporation, you will contribute to safeguarding national security while engaging in innovative initiatives that provide pathways for career growth.

ManTech is looking for a driven, career-focused Principal Information System Security Engineer (ISSE) to be part of our team.

Key Responsibilities:

  • Assist in the deployment and upkeep of IT system frameworks that support sensitive national security operations.
  • Develop system or network architectures that span multiple enclaves, accommodating varying data protection and classification standards.
  • Conduct security planning, assessments, risk evaluations, and management.
  • Propose system-level solutions to meet security needs.
  • Aid the Government in enforcing the design and establishment of trusted connections among external systems and architectures.
  • Design and implement security-related products at an enterprise level, ensuring integration into existing environments.
  • Engage in the change management process, including the review of Change Requests and evaluating the security implications of proposed modifications.
  • Oversee system recovery procedures to guarantee that security features and functions are restored and operational after an outage.
  • Collaborate on project teams tasked with engineering and packaging releases for integration into the production IT environment.

Essential Qualifications:

  • Bachelor's degree in IT, Cyber Security, Computer Science, Information Systems Management, Engineering, or a related field.
  • A minimum of 7 years of experience with information networks and associated security issues; or a Master's degree with at least 5 years of experience.
  • DoD / DoD IAT III Level certification is required; CISSP is preferred.
  • Proven experience in designing and implementing enterprise IT/IA solutions.
  • Familiarity with various IA tools for audit collection, review, management, and endpoint protection (e.g., HBSS, McAfee ePO, ENS, DLP).
  • Experience with Splunk, RHEL 7+, ACAS, and Tenable.
  • Knowledge of security measures related to modern Windows, Linux, UNIX, Cisco, SQL or Oracle databases, and virtualized systems.

Preferred Qualifications:

  • Background and experience with RMF, ICD 503, NIST SP800-53, or DCID 6/3, along with knowledge of current authorization practices, particularly within the DoD.
  • Splunk Enterprise Architect certification with experience in implementation and dashboard creation is highly desirable.
  • Experience in performing duties as a DTA.

Security Clearance Requirements:

  • U.S. Citizenship and an active Top Secret clearance adjudicated within the last 6 years.
  • Willingness to undergo a random polygraph examination.

Physical Requirements:

  • Ability to remain stationary for 50% of the time.
  • Occasionally move around the office to access file cabinets, office machinery, etc.
  • Frequently position oneself to maintain computers in the lab, including under desks and in server closets.
  • Regularly communicate with colleagues, management, and clients, which may involve delivering presentations and exchanging accurate information.

For all positions requiring access to technology/software source code subject to export control laws, employment with the company is contingent upon verifying U.S.-person status or obtaining necessary licenses. The applicant will be required to answer specific questions for export control purposes, and that information will be reviewed by compliance personnel to ensure adherence to federal law. ManTech may opt not to apply for a license for 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, along with its subsidiaries, actively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment based on 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. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are encouraged to apply. ManTech's use of any external recruitment or job placement agency is based on its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms and pays 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 our system due to your disability. To request an accommodation, please provide your name and contact information.



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