MANTECH

Senior Information Systems Security Engineer

MANTECH  •  Huntsville, AL (Onsite)  •  6 days ago
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Job Description


General information


Requisition #

R67958

Locations

USA-AL-Huntsville

Posting Date

05/20/2026

Security Clearance Required

TS/SCI

Remote Type

Onsite

Time Type

Full time


Description & Requirements


Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

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

MANTECHseeks a motivated, career and customer-oriented Senior Information Systems Security Engineer to join our team in Huntsville, AL This is an onsite position.

Responsibilities include but are not limited to:

  • Lead and supervise a team of security professionals managing the end-to-end implementation of the RMF lifecycle for FBI IT systems.

  • Coordinate RMF preparation step activities and guide system categorization efforts based on mission impact and regulatory requirements.

  • Advise on the selection, tailoring, and documentation of security controls aligned with Bureau risk appetite and compliance standards.

  • Direct the deployment of technical, operational, and management controls across system lifecycles, ensuring high-quality deliverables.

  • Oversee comprehensive security control assessments and prepare critical risk management documentation for system authorization and executive decisions.

  • Manage ongoing monitoring, continuous assessment activities, and metric collection to adapt security strategies and maintain sustained compliance.

  • Provide subject-matter expertise on risk analysis, incident response, remediation, and audits, while communicating status and risks to stakeholders.

Minimum Qualifications

  • Bachelor’s Degree or equivalent experience (6 additional years of experience in lieu of degree).

  • 8 + years of experience in secure design, analysis, and testing of information security systems and products.

  • 8 + years of experience applying methods, standards and approaches for ensuring the baseline security safeguards are appropriately implemented and documented.

  • 8 + years of experience creating and updating security test plans for detecting and mitigating risk to information systems.

  • Certified Information Systems Security Professional (CISSP) or Certified Ethical Hacker (CEH) certification required

Preferred Qualifications:

  • Cloud Certification

  • Master’s degree in Computer Science, Cybersecurity, or a related technical discipline.

Clearance Requirements:

  • Must have a current/active TS/SCI.

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.


MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
MANTECH

About MANTECH

MANTECH is more than a technology company. We are a company dedicated to service, and we consider our work a part of the public trust. The people of MANTECH are privileged to work for the security of the United States, the welfare of our service members and veterans, the protection of our communities, and the cause of better health care.

We have served the nation for more than 57 years, and in that time we have continually changed and grown to provide the technology that government needs to meet new challenges. We seek people with the same strong ethic of service, creativity, energy, and dedication to serving our country.

We are comprised of more than 9,800 talented employees around the world. Nearly 40% of our employees are veterans. Many others come from the Intelligence Community, Homeland Security and federal civilian agencies. We understand our customers’ challenges because we know their world firsthand.

When Federal managers and military leaders face tough challenges in cyber, data collection & analysis, enterprise IT or systems and software engineering, they turn to MANTECH to get the job done right. These professionals trust MANTECH and stay with us for years because we understand their needs and tackle their most complex challenges head on. They know that reaching their goal is our ultimate objective.

Industry
IT & Software
Company Size
10,000+ employees
Headquarters
Herndon, Virginia
Year Founded
1968
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