AMERICAN SYSTEMS

Information System Security Officer - ISSO

AMERICAN SYSTEMS • $160K — $180K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5 years of information systems management and cybersecurity experience
  • Active TS clearance with SCI and/or SAP eligibility
  • Proficient in firewall, intrusion detection, anti-virus, and data encryption
  • Familiarity with LAN & WAN technologies in classified environments
  • In-depth knowledge of NIST SP 800-53 controls and DoD RMF
  • Experience with cybersecurity RMF compliance requirements
  • Strong analytical and communication skills

Responsibilities

  • Maintain operational security posture for assigned Information Systems and networks
  • Develop and maintain System Security Plans and Security Control Traceability Matrices
  • Ensure confidentiality, integrity, and accessibility of IS resources
  • Serve as principal technical advisor to security managers and program officers
  • Perform duties as an alternate Information Systems Security Manager
  • Ensure compliance with Risk Management Framework for Authority to Operate
  • Conduct regular cybersecurity assessments to identify vulnerabilities
  • Develop supporting documentation for remediation strategy and compliance

Benefits

  • Comprehensive healthcare benefits
  • Paid leave policies
  • Retirement plans
  • Insurance programs
  • Education and training assistance
Full Job Description
Overview

As the Information System Security Officer (ISSO), you will be responsible for maintaining the security posture of assigned information systems and networks while ensuring they remain compliant, operational, and mission ready. This role serves as a key cybersecurity advisor to leadership and security stakeholders, helping protect systemconfidentiality, integrity, and availabilitywhile supporting accreditation, deployment, sustainment, and ongoing risk management activities.

Responsibilities
  • Maintain the appropriate operational security posture for assigned Information Systems (IS)and networks in accordance with cybersecurity policies, directives, and Information Assurance (IA) Standard Operating Procedures (SOP).
  • Develop and maintain System Security Plans (SSP) and Security Control Traceability Matrices (SCTM)
  • Ensure the Confidentiality, Integrity, and Accessibilityof all IS resources, organic to the supported organization, maintain a high level of operational availability.
  • Serve as the principle technical advisor to the Information Systems Security Managers (ISSM), Program Security Officers (PSO), and Delegated Authorizing Officials (DAO).
  • Perform functional duties, as the alternate ISSM, to maximize operational readiness and effectiveness.
  • Provide expertise, to maintain the Authority to Operate (ATO) and Authorization to Connect (ATC) for assigned IS, ensuring Risk Management Framework (RMF)compliance.
  • Provide the organization, subject matter expertise to prepare for cybersecurity, physical and personnel security assessments from senior management.
  • Perform cybersecurity assessments for IS, within your area of responsibility, on a regular and consistent basis to identify potential vulnerabilities, evaluate the effectiveness of existing security controls, and ensure compliance with relevant policies and regulations.
  • Develop supporting documentation, such as Plan of Action and Milestones (POA&M) and inspection reports, to coordinate events, capture discrepancies, and document remediation strategy for supported organizations.
  • Develop and integrate policy and procedures to reinforce Access Controls (AC) for identified vulnerabilities.
  • Participate in professional engagements with supporting and supported organizations, for successful collaboration, and to ensure assigned projects deliver desired results.
  • Develop and maintain IS documentation to capture changes to the system, its operating environment, and to advise the Configuration Control Board (CCB) on ATO/ATC conflicts.
  • Conduct cybersecurity audits and maintain audit record management, ensuring audit records are collected, reviewed, documented, and archived.
  • Complete necessary, initial/annual, training to establish and maintain access to supported systems and networks.
Qualifications
  • 5 years of information systems management and cybersecurity experience.
  • Active TS clearance with SCI and/or SAP eligibility.
  • Proficient in firewall administration, intrusion detection systems, anti-virus software, and data encryption.
  • Familiarity with network technologies (LAN & WAN) and best practices within a classified environment to include crypto and key management
  • In-depth knowledge of information security principles and practices, including NIST SP 800-53 controls, DoD Risk Management Framework (RMF), and DoD Instruction 8510.01.
  • Experience with cybersecurity RMF compliance and regulatory requirements.
  • Working knowledge with Microsoft Windows operating systems (workstation & server), Linux, and system virtualization in a secure network environment.
  • Strong analytical, problem-solving, and decision-making skills.
  • Strong communication skills, adept at briefing executives andprogram IPT level leadership.
  • Self-starter, strong work ethic, and willingness to be a contributing IPT member.
Pay Transparency StatementAMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $160,000.00/Yr. - USD $180,000/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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