ManTech International

Senior Cloud Information System Security Engineer

ManTech International$130K — $155K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10+ years of experience in secure design, analysis, and testing of information security systems.
  • 10+ years of implementing and documenting security safeguards according to standards.
  • 10+ years of experience developing security test plans to manage risks.
  • Bachelor's degree or equivalent experience, or a Master's degree with 7+ years of relevant experience.
  • DoD 8140.03 Advanced certifications such as CISSP, CISA, or equivalent are required.

Responsibilities

  • Lead and mentor a team of contractor security professionals in implementing RMF for FBI IT systems.
  • Coordinate and oversee the Prepare step of RMF, clarifying roles and risk management strategies.
  • Guide system categorization efforts for proper classification based on risk and regulatory requirements.
  • Advise on security controls selection and documentation tailored to system categorizations.
  • Oversee implementation of controls throughout system lifecycles, focusing on quality deliverables.
  • Plan and execute security control assessments to validate safeguards effectiveness.
  • Act as a technical advisor on cybersecurity, focusing on risk analysis and incident response.

Benefits

  • Opportunities for professional development and career growth.
  • Work in a mission-driven environment supporting national security initiatives.
  • Be part of a collaborative team focused on cutting-edge cybersecurity practices.
  • Engage in hands-on work within a critical governmental agency.
  • Contribute to impactful projects with national relevance.
Full Job Description
General information

Requisition #

R70417

Locations

USA-DC-Washington, USA-AL-Huntsville

Posting Date

09/02/2026

Security Clearance Required

TS/SCI

Remote Type

Onsite

Time Type

Full time

Description & Requirements

***This is for a future opportunity***

MANTECH seeks a motivated, career- and mission-focused Senior Cloud Information Systems Security Engineer (ISSE) to join our team in Washington, D.C. or Huntsville, AL. This is an onsite position.

Responsibilities include but are not limited to:
  • Lead, mentor, act as a SME (Subject Matter Expert) and supervise a team of contractor security professionals responsible for the end-to-end implementation of the Risk Management Framework (RMF) lifecycle for FBI IT systems.
  • Oversee and coordinate activities within the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained.
  • Guide system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements.
  • Advise on the selection, tailoring, and documentation of security controls aligned with system categorizations, Bureau risk appetite, and compliance requirements.
  • Oversee the implementation of technical, operational, and management controls throughout system and application lifecycles, with a particular focus on quality and completeness of all deliverables.
  • Ensure comprehensive security control assessments are planned, executed, and documented to validate the effectiveness of implemented safeguards.
  • Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts.


Minimum Qualifications:
  • 10 + years of experience in secure design, analysis, and test of information security systems and products.
  • 10 + years of experience applying methods, standards, and approaches for ensuring baseline security safeguards are appropriately implemented and documented.
  • 10 + years of experience creating and updating security test plans for detecting and mitigating risk to information systems.
  • Bachelor's degree or equivalent (6 additional years of experience) or Master's degree with 7 + years of relevant experience.
  • Must possess one of the following DoD 8140.03 Advanced proficiency certifications: CCISO, CISA, CISM, CISSP, CISSP-ISSEP, CISSP-ISSAP, CySA+, GSLC, GSNA, CCNP Enterprise, GCIA, GDSA, or GICSP.


Preferred Qualifications:
  • Possession of a Cloud certification (e.g., AWS Certified Security - Specialty, CCSP, AWS Solutions Architect Associate, AZ-500, or Google Professional Cloud Security Engineer).
  • Demonstrated experience leading RMF lifecycle teams across cloud and hybrid enterprise environments.
  • Experience with DOJ/FBI GRC applications such as Xacta or JCAM.

Clearance Requirements:
  • Active Top Secret clearance with SCI eligibility is required.

Physical Requirements:
  • Must be able to remain in a stationary position 50% of the time.
  • Needs to occasionally move about inside the office to access file cabinets and office machinery.
  • Frequently communicates with co-workers, management, and customers, and must be able to exchange accurate information in these situations.


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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