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Information System Security Officer
SMXCleared Hybrid Information System Security Officer supporting mission-critical federal programs. Ensuring cybersecurity compliance and operational integrity across multiple systems and projects.
Posted 7/7/2026full-timeHanover • Maryland • 🇺🇸 United StatesMid-LevelSenior💰 $103,000 - $171,800 per yearWebsite
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in cybersecurity and information system security, with a strong focus on Risk Management Framework (RMF) activities, security documentation, and compliance with federal cybersecurity requirements. Capable of assessing security posture, implementing security controls, and communicating effectively with diverse stakeholders.
Highest-signal resume keywords
Active Secret ClearanceRisk Management Framework (RMF)System Security Plans (SSPs)NIST 800-53Vulnerability Management
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Information System SecuritySecurity AssessmentsAuthorization to Operate (ATO)Security DocumentationRisk AssessmentAccess Control ManagementContinuous MonitoringSecurity Controls ImplementationCompliance ReviewsIncident Response
Soft Skills
Analytical SkillsProblem-Solving SkillsWritten CommunicationVerbal CommunicationIndependent Work
Industry Keywords
FISMACybersecurityInformation AssuranceSecurity ProceduresSecurity PostureGovernment StakeholdersSecurity ImprovementPhysical ProtectionLogical ProtectionSecurity Investigations
Tech Stack
Tools & technologiesCyber Security
About the role
Key responsibilities & impact- Provide security advisory support to System Owners (SOs), Business Process Owners, ISSMs, and program leadership on matters related to information system security
- Support implementation, maintenance, and continuous improvement of security controls across enterprise systems and applications
- Coordinate and execute RMF activities including system categorization, control implementation, security assessments, authorization activities, and continuous monitoring
- Develop, review, and maintain System Security Plans (SSPs), POA&Ms, Security Assessment Plans, security procedures, and related authorization documentation
- Assess system security posture and recommend corrective actions to address risks, vulnerabilities, and compliance deficiencies
- Conduct security reviews and assessments to validate implementation and effectiveness of security controls
- Collaborate with engineers, system administrators, developers, and government stakeholders to ensure security requirements are integrated throughout the system lifecycle
- Support Authorization to Operate (ATO) activities and ongoing authorization maintenance efforts
- Execute vulnerability management activities including identification, remediation tracking, risk assessment, and validation of corrective actions
- Review and validate access control implementations, privileged account management, hardware inventories, software inventories, and security configurations
- Develop security reports, dashboards, metrics, and recommendations for government leadership
- Support audit activities, compliance reviews, inspections, and security assessments conducted by internal and external organizations
- Provide guidance regarding physical and logical protection of information system assets
- Evaluate security program effectiveness and recommend improvements to policies, procedures, and operational practices
- Support incident response, security investigations, and remediation activities as required
- Advise leadership on emerging threats, cybersecurity risks, and security improvement opportunities
Requirements
What you’ll need- Active Secret clearance required
- Minimum of 5 years of professional experience supporting cybersecurity, information assurance, RMF, or information system security activities
- Demonstrated experience serving as an ISSO, ISSM support resource, or security practitioner within a federal environment
- Strong experience supporting Risk Management Framework (RMF) activities and Authorization to Operate (ATO) processes
- Experience developing and maintaining SSPs, POA&Ms, Security Assessment Plans, authorization artifacts, and related security documentation
- Strong knowledge of NIST 800-53, NIST 800-37, FISMA, and federal cybersecurity requirements
- Experience implementing, assessing, and maintaining security controls across enterprise information systems
- Experience supporting continuous monitoring programs, vulnerability management, and compliance initiatives
- Experience evaluating system security risks and developing risk-based mitigation strategies
- Experience supporting audits, assessments, inspections, and compliance reviews
- Strong understanding of access control management, security documentation, risk assessment, and security operations
- Strong analytical, troubleshooting, and problem-solving skills
- Ability to communicate technical security concepts to technical and non-technical audiences
- Strong written and verbal communication skills
- Ability to work independently while managing multiple priorities and supporting complex security initiatives.
Benefits
Comp & perks- Health insurance
- Paid leave
- Retirement plans
- Competitive compensation