Job description

Join our team at Core One! Our mission is to be at the forefront of devising analytical, operational and technical solutions to our Nation's most complex national security challenges. In order to achieve our mission, Core One values people first! We are committed to recruiting, nurturing, and retaining top talent! We offer a competitive total compensation package that sets us apart from our competition. Core One is a team-oriented, dynamic, and growing company that values exceptional performance! Clearance Required: Active TS/SCI with Polygraph Summary We are seeking a Security Analyst to support cybersecurity operations, compliance, and risk management for FedRAMP-authorized and Intelligence Community (IC) systems. This role is responsible for ensuring systems meet stringent federal security requirements while enabling secure, scalable, and compliant cloud and on-premises solutions. The ideal candidate brings deep expertise in NIST frameworks, FedRAMP authorization processes, continuous monitoring (ConMon), and ATO lifecycle management, along with the ability to operate in classified or high-security environments. Key Responsibilities Lead and support FedRAMP Moderate/High and IC ATO authorization processes Develop, review, and maintain security documentation: System Security Plans (SSP), Security Assessment Reports (SAR), Plan of Action & Milestones (POA&M) Ensure compliance with NIST SP 800-53 / 800-37 RMF, FedRAMP baselines, ICD 503 Perform risk assessments, control assessments, and gap analyses Implement and manage RMF lifecycle activities (Categorize → Monitor) Track and manage POA&M remediation activities Facilitate security control inheritance and shared responsibility models Execute continuous monitoring strategies and reporting Analyze security posture using Vulnerability scans and Configuration compliance Produce monthly/quarterly ConMon deliverables Monitor and analyze security events and alerts Support incident response and forensic analysis Coordinate with SOC teams and stakeholders for threat mitigation Conduct root cause analysis and lessons learned Secure cloud environments aligned with FedRAMP controls Implement identity and access controls Support 3PAO assessments and audits Prepare evidence artifacts for FedRAMP JAB/Agency ATO reviews and Inspector General (IG) audits Coordinate with internal/external auditors Utilize security tools for monitoring and compliance: Splunk, Sentinel, Vulnerability management tools, ServiceNow Support automation of compliance and reporting workflows Act as liaison between Engineering teams, ISSOs / ISSMs, and Compliance and audit teams Provide security guidance during system design and change management Mentor junior analysts and support team development Promote a culture of security-first engineering and compliance excellence Contribute to security governance and policy development Qualifications Active TS/SCI with Polygraph Bachelor's degree or higher in Cybersecurity, IT, or related field and 5+ years' experience in Cybersecurity in federal or IC environments OR Masters and 3+ years of experience in Cybersecurity in federal or IC environments Strong Knowledge of NIST RMF (800-37), NIST 800-53 controls, and FedRAMP requirements At least one of the following certifications: CISM or CISA, CompTIA Security+ (baseline), Certified Authorization Professional (CAP), CCSP (cloud security) Experience in the following tools: NIST 800-53, RMF, FedRAMP, ICD 503, ServiceNow GRC, Splunk, Azure Sentinel, Nessus, ACAS, AWS GovCloud, Azure Government, GCP, SCAP, STIG Viewer Desired Qualifications Experience with cloud-native security tools Knowledge of Zero Trust Architecture Experience with cross-domain solutions Experience with ICD 503 Familiarity with DevSecOps pipelines in regulated environments Salary Range: $150,000 - $200,000 The pay range reflected above is a general guideline for this position and labor category and is not a guarantee of a specific salary or offer. Final compensation is determined based on factors including, but not limited to, relevant experience, education, certifications, security clearance level, contract requirements, geographic location, and internal pay equity, and may reflect market data specific to the awarded contract. Core One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, or protected veteran status and will not be discriminated against on the basis of disability. __PRESENT __PRESENT __PRESENT __PRESENT __PRESENT __PRESENT __PRESENT

Requirements

Must-haves

Clearance Required: Active TS/SCI with Polygraph
Lead and support FedRAMP Moderate/High and IC ATO authorization processes
Develop, review, and maintain security documentation: System Security Plans (SSP), Security Assessment Reports (SAR), Plan of Action & Milestones (POA&M)
Ensure compliance with NIST SP 800-53 / 800-37 RMF, FedRAMP baselines, ICD 503
Perform risk assessments, control assessments, and gap analyses
Implement and manage RMF lifecycle activities (Categorize → Monitor)
Track and manage POA&M remediation activities
Facilitate security control inheritance and shared responsibility models
Execute continuous monitoring strategies and reporting
Analyze security posture using Vulnerability scans and Configuration compliance
Produce monthly/quarterly ConMon deliverables
Monitor and analyze security events and alerts
Support incident response and forensic analysis
Coordinate with SOC teams and stakeholders for threat mitigation
Conduct root cause analysis and lessons learned
Secure cloud environments aligned with FedRAMP controls
Implement identity and access controls
Support 3PAO assessments and audits
Prepare evidence artifacts for FedRAMP JAB/Agency ATO reviews and Inspector General (IG) audits

Nice-to-haves

Experience with cloud-native security tools
Knowledge of Zero Trust Architecture
Experience with cross-domain solutions
Experience with ICD 503
Familiarity with DevSecOps pipelines in regulated environments

Application prep

Use the role’s language and application details while tailoring your materials.

Keywords to mirror

azureawsgcp

Platform: greenhouse
Effort: quick