Security Analyst
Core One•McLean, VA
About The Position
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.
Requirements
- 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, RSA Archer, ServiceNow GRC, Splunk, Azure Sentinel, Nessus, ACAS, AWS GovCloud, Azure Government, GCP, SCAP, STIG Viewer
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
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, RSA Archer, 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
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
