ManTech International

Information Systems Security Engineer

ManTech International$110K — $130K *
Crane, IN 47522In-Person
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Information Security, Systems Engineering, or related field, or a High School Diploma with 4+ years of relevant experience.
  • 10+ years in system engineering, information assurance, or cybersecurity.
  • SecurityX (previously CASP+) or CISSP certification required.
  • U.S. Citizenship and active Secret clearance or ability to obtain it before starting.

Responsibilities

  • Integrate security requirements into system acquisition and engineering phases.
  • Harden application interfaces and cloud environments using engineering methodologies.
  • Prepare and maintain system security documentation under the Risk Management Framework (RMF).
  • Support system certification for Interim Authority to Test and Authority to Operate.
  • Act as the primary security advisor to government stakeholders and program managers.
  • Lead security reviews and participate in technical working groups.
  • Conduct threat modeling and vulnerability assessments to enhance defenses.
  • Provide expertise to mitigate system security incidents and design security solutions.

Benefits

  • Onsite position promoting team collaboration.
  • Opportunity to work directly with government stakeholders and influence security practices.
  • Engagement in technical working groups for ongoing learning and contribution to the community.
Full Job Description
MANTECH seeks a motivated, career and customer-oriented SeniorInformation Systems Security Engineer to join our team working in Crane, IN. This is an onsite position.

Responsibilities include but are not limited to:
  • Systematically integrates security functional requirements into system acquisition, engineering, and development phases.
  • Harden application interfaces, data repositories, and cloud environments using systems engineering methodologies.
  • Prepare, review, and maintain system security documentation under the Risk Management Framework (RMF), including SSPs, SAPs, SARs, and POA&Ms.
  • Support system certification activities to secure and maintain an Interim Authority to Test (IATT) and Authority to Operate (ATO).
  • Acts as the primary technical security advisor/SME to Government stakeholders, program managers, and system engineering teams.
  • Lead technical walkthroughs, security reviews, and participates in intelligence-community or industry-based technical working groups.
  • Conduct threat modeling, vulnerability assessments, and analyzes security logs to proactively harden defenses against adversaries.
  • Provide technical expertise to contain and mitigate real or potential system security incidents. Design and architect robust end-to-end security solutions for networks, databases, and enterprise systems.
  • Incorporate Zero Trust principles, boundary protection, firewalls, and cryptographic controls to safeguard critical warfighting infrastructure.


Minimum Qualifications:
  • Bachelors degree in Information Security, Systems Engineering or a related technical discipline or, a High School Diploma and 4+ additional years of experience as described above in lieu of degree
  • 10+ years of progressive experience in system engineering, information assurance, or cybersecurity
  • Must possess a SecurityX (previously known as CASP+) or CISSP certification


Preferred Qualifications:
  • Master's degree in Computer Science, Computer Engineering, or related technical field


Clearance Requirements:
  • U.S. Citizenship required and a current or active Secret clearance or ability to obtain an Interim Secret clearance prior to starting.


Physical Requirements:
  • The person in this position must be able to remain in a stationary position 50% of the time.
  • Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ

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