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Information Systems Security Manager; ISSM

Job in Miami, Miami-Dade County, Florida, 33222, USA
Listing for: General Dynamics Information Technology
Full Time position
Listed on 2026-02-16
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Information Systems Security Manager (ISSM)

Overview

Own your career as an Information Systems Security Manager e, you’ll have the opportunity to build strong lines of cyber defense using cutting-edge technologies. Your work in cyber security at GDIT will have an impact on securing our clients’ missions and ensuring we anticipate the threats of tomorrow.

GDIT is seeking an Information Systems Security Manager who preferably has an active secret clearance with ability to obtain a top secret clearance. The Cyber Security team is responsible to ensure the system remains in compliance within the Risk Management Framework (RMF) and associated policies, procedures and guidelines; provide technical expertise on system design, implementation, and accreditation, and provide oversight and coordination for multiple contractors supporting program objectives.

Job Details: Type of

Requisition :
Regular
· Clearance Level Must Currently Possess:
Secret
· Clearance Level Must Be Able to Obtain:
Top Secret
· Public Trust/Other

Required:

None
· Job Family:
Cyber and IT Risk Management

Responsibilities
  • Develop and maintain RMF security, accreditation, and Authorization to Operate (ATO) approval.
  • Manage the security of information systems assets and protect systems from intentional or inadvertent access or destruction.
  • Recognize potential, successful, and unsuccessful intrusion attempts and conduct thorough reviews of relevant event detail and summary information.
  • Perform preliminary forensic evaluations of internal systems.
  • Interface with the client to understand their security needs and oversee the development and implementation of procedures to accommodate them.
  • Ensure that the user community understands and adheres to necessary procedures to maintain security.
  • Weigh business needs against security concerns and articulate issues to management and/or customers.
  • Maintain current knowledge of relevant technology as assigned.
  • Provide guidance in the creation and maintenance of Standard Operating Procedures and other similar documentation.
  • Lead all security engineers within the program.
  • Develop and maintain System Security Plan, Security Assessment Plan and Procedures, Security Assessment Report, RMF System Diagrams, Incident Response Plan, Master Assessment Datasheet, RMF, and other deliverable artifacts.
  • Coordinate and conduct CCRI/ATO activities.
  • Ensure systems are compliant with DoD Security Standards and RMF ATO status.
  • Use data from cyber defense tools (e.g., IDS alerts, firewalls, network traffic logs) to analyze events and mitigate threats.
  • Interpret, analyze, and report events and anomalies in accordance with directives, including initiating, responding, and reporting discovered events.
  • Evaluate, test, recommend, coordinate, monitor and maintain cybersecurity policies, procedures and systems, including access management for hardware, firmware and software.
  • Develop and ensure cybersecurity plans, controls, processes, standards, policies and procedures are aligned with cybersecurity standards.
  • Identify security risks and exposures, determine causes of security violations, and suggest procedures to halt future incidents and improve security.
  • Develop techniques and procedures for cybersecurity risk assessments and compliance audits, evaluate hardware, firmware and software for potential impact on system security, and investigate and resolve security incidents such as intrusions, fraud, attacks or leaks.
What you’ll need to succeed
  • Familiarity with DoW RMF Processes, DoDI 8510.01/NIST SP 800-53.
  • 8+ years of cybersecurity-related experience or equivalent, including 4+ years of ISSM experience.
  • B.S., Computer Science, Information Systems, Information Security, Electrical Engineering, or related field (or equivalent).
  • ISC2 Certified Information Systems Security Professional (CISSP).
  • Active Secret Clearance with ability to obtain Top Secret.
  • Location:

    Miami, FL or Remote with up to 50% travel.
Desired
  • CEH, GICSP, CCNA-Security, or other IA related certifications.
  • Familiarity with the SAFe Scaled Agile Framework and Lean Agile operations.
GDIT is your place
  • 401K with company match.
  • Comprehensive health and wellness packages.
  • Internal mobility team dedicated to helping you own your career.
  • Profess…
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