Information Systems Security Officer (ISSO), Mid (MCSES III)
Quick Summary
Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training.
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).
5 years of information systems management and cybersecurity experience. Active TS clearance with SCI eligibility. Proficient in firewall administration, intrusion detection systems, anti-virus software, and data encryption In-depth knowledge of…
AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training.
Responsibilities
~1 min readResponsibilities
~2 min read- →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).
- →Ensure the Confidentiality, Integrity, and Accessibility of 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 support to Program Management Offices (PMOs), by conducting site surveys and providing technical information, to develop RMF artifacts to support ATO/ATC and to facilitate IS deployments and successful integration.
- →Perform IS lifecycle management to facilitate requirements engineering, procurement, integration, operational sustainment, and destruction.
- →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 advice 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.
Requirements
~1 min readRequirements
~1 min read- 5 years of information systems management and cybersecurity experience.
- Active TS clearance with SCI eligibility.
- Proficient in firewall administration, intrusion detection systems, anti-virus software, and data encryption
- 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.
- Strong analytical, problem-solving, and decision-making skills.
- Strong communication skills, adept at briefing executives and program IPT level leadership.
- Self-starter, strong work ethic, and willingness to be a contributing IPT member.
- Must possess an active DoD 8140/8570.01-M baseline certification at IAM Level II or higher (e.g., SecurityX CE, CySA+, CISSP, or CISM).
- Candidates without IAM Level II on day one may be considered if they currently meet IAT Level II and can obtain an IAM Level II certification within an agreed-upon timeframe.
Location & Eligibility
Listing Details
- Posted
- April 29, 2026
- First seen
- May 6, 2026
- Last seen
- May 15, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 42%
- Scored at
- May 6, 2026
Signal breakdown
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