Senior Information System Security Officer (ISSO)

Independent Software, Inc.

$100K — $130K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Experience supporting information system security in classified or regulated environments
  • Knowledge of System Security Plans (SSP) and security compliance requirements
  • Experience with vulnerability scanning tools and security assessments
  • Familiarity with IDS/IPS technologies, firewalls, and endpoint security
  • Strong analytical, troubleshooting, and problem-solving skills
  • Strong written and verbal communication skills
  • Ability to work both independently and in a team environment

Responsibilities

  • Ensure protection of information system assets from unauthorized access and damage
  • Monitor and analyze Intrusion Detection Systems (IDS) for security incidents
  • Conduct regular audits for compliance with security policies and SSP
  • Perform vulnerability assessments on user accounts and external interfaces
  • Develop and support security tools like firewalls and antivirus solutions
  • Research and implement new security technologies
  • Enforce security policies across systems, applications, and networks

Benefits

  • Opportunities for professional development and training
  • Collaborative work environment with cross-functional teams
  • Involvement in cutting-edge security technologies
  • Support for security awareness initiatives
  • Potential for a diverse range of security challenges
Full Job Description
What You Will Do:

At Independent Software, as a Senior Information System Security Officer (ISSO), you will support the security posture of mission-critical systems, programs, and enclaves. In this role, you will implement, maintain, and enforce information assurance policies, standards, and procedures to ensure systems remain secure, compliant, and operational.

You will work closely with engineering, operations, and compliance teams to monitor system security, conduct audits, manage vulnerabilities, and support accreditation efforts, including System Security Plan (SSP) compliance.

Key Responsibilities:
  • Perform all procedures necessary to ensure the protection of information system assets against unauthorized access, modification, or destruction
  • Monitor and analyze Intrusion Detection Systems (IDS) to identify and respond to security incidents
  • Conduct regular system audits to ensure compliance with security policies, procedures, and SSP requirements
  • Perform vulnerability assessments and scans, including user accounts, application access, file systems, and external interfaces
  • Develop, test, and support security tools including firewalls, IDS, antivirus solutions, and software deployment tools
  • Research, evaluate, and implement new security technologies and solutions
  • Develop, implement, and enforce security policies and procedures across systems, applications, and networks
  • Support security documentation, including configuration management and SSP maintenance
  • Communicate security incidents, alerts, and risks to appropriate stakeholders
  • Support security awareness and training initiatives

Required Skills and Qualifications:
  • Experience supporting information system security programs in classified or regulated environments
  • Knowledge of System Security Plans (SSP), security policy implementation, and compliance requirements
  • Experience with vulnerability scanning tools and security assessment processes
  • Familiarity with IDS/IPS technologies, firewalls, and endpoint security solutions
  • Understanding of system configuration and document management processes
  • Strong analytical, troubleshooting, and problem-solving skills
  • Strong written and verbal communication skills
  • Ability to work both independently and within a team environment

Education and Experience:
  • High School Diploma or GED and fourteen (14) years of relevant Information System Security experience; OR
  • Bachelor's degree in Computer Science, Information Assurance, Cybersecurity, or a related discipline and ten (10) years of relevant experience

Certifications:
  • Certification in compliance with the requirements of the DoD 8570 IAT Level I or higher is required.

Clearance Requirement:
  • Must possess an active TS SCI with appropriate Polygraph to be considered for this role

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