AMERICAN SYSTEMS

Information System Security Manager (ISSM) & Cybersecurity Engineer

AMERICAN SYSTEMS$100K — $150K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active Secret clearance required with the ability to obtain and maintain Top Secret eligibility.
  • 5+ years of cybersecurity, information assurance, or information security experience supporting classified information systems.
  • 2+ years in an ISSM, ISSO, or similar cybersecurity role in RMF-authorized environments.
  • Experience in cybersecurity operations environments.
  • Proven experience with Authorization to Operate (ATO) processes for classified systems.

Responsibilities

  • Serve as the primary cybersecurity lead for classified information systems.
  • Oversee system security requirements compliance and maintenance per government and organizational policies.
  • Lead the RMF lifecycle for system security—from categorization to continuous monitoring.
  • Manage ATO processes for classified systems, including renewals and maintenance.
  • Develop and maintain critical security authorization documentation and related artifacts.
  • Coordinate with various stakeholding entities, including DCSA and system owners, on security authorization.
  • Ensure security controls for classified systems are effectively implemented and documented.

Benefits

  • Comprehensive healthcare benefits.
  • Paid leave.
  • Retirement plans.
  • Various insurance programs.
  • Education and training assistance.
Full Job Description
Overview

We are seeking amid-level Information System Security Manager (ISSM)to support security operations inclassified environmentswhile also serving in a secondary role within theCyber Operations team. This position is ideal for a security professional with hands-on ISSM experience, a strong understanding of theAuthorization to Operate (ATO)process andRisk Management Framework (RMF), and experience partnering withDCSAto authorize systems for classified use.

In addition to ISSM responsibilities, this role will support Cyber Operations activities focused onadministering, testing, validating, and maintaining enterprise security systems and controlsto strengthen the overall security posture of the environment.

Responsibilities
  • Serve as the primary cybersecurity lead for assigned information systems operating in classified environments
  • Oversee the implementation, compliance, and maintenance of system security requirements in accordance with government, customer, and organizational policies
  • Lead the system through theRMF lifecycle, including categorization, control selection, implementation, assessment, authorization, and continuous monitoring
  • Manage activities required to obtain, maintain, and renewAuthorization to Operate (ATO)decisions for classified systems
  • Develop, review, and maintain security authorization documentation, including System Security Plans, security control assessments, POAMs, configuration management records, and related artifacts
  • Coordinate withDCSA, Authorizing Officials, system owners, engineers, administrators, and assessors to support security authorization and ongoing compliance activities
  • Ensure security controls are implemented, operating as intended, and documented appropriately for classified information systems
Qualifications
  • Active Secret clearance required with the ability to obtain and maintain Top Secret eligibility REQUIRED.
  • 5+ years of cybersecurity, information assurance, or information security experience, including experience supporting classified information systems
  • 2+ years of experience serving as an ISSM, ISSO, or equivalent cybersecurity role supporting RMF-authorized environments.
  • Experience in cybersecurity operations environment
  • Experience obtaining, maintaining, and renewing Authorization to Operate (ATO) decisions for classified systems.

Working knowledge of:

  • NIST Risk Management Framework (RMF)
  • NIST SP 800-53 Security Controls
  • DCSA Assessment and Authorization Process Manual (DAAPM)
Pay Transparency StatementAMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $100,000.00/Yr. - USD $150,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

About AMERICAN SYSTEMS

AMERICAN SYSTEMS is a government IT solutions provider. The Company provides solutions in national security, healthcare, and public sector markets. Its services include acquisition and lifecycle support, enterprise IT, healthcare IT, intelligence analysis, and training and simulation. The Company's customers include the Department of Defense, Department of State, Department of Justice, and Department of Homeland Security. AMERICAN SYSTEMS was founded in 1975 and is headquartered in Chantilly, Virginia.
Learn more about AMERICAN SYSTEMS
Size
1,500 employees
Industry
Founded
1975

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