Cybersecurity Expert for Government System ATO Support

6 days ago


Reston, Virginia, United States Cornerstone Defense Full time
Job Responsibilities
  • Guide government clients through the complex process of obtaining and maintaining Authority to Operate certifications for their information systems.
  • Leverage expertise in government cybersecurity standards and regulations to monitor, analyze, and respond to potential security incidents and threats.
  • Ensure government clients' systems meet stringent security requirements necessary for ATO compliance while aligning with government-specific cybersecurity guidelines.
  • Collaborate with government clients to thoroughly understand their system architectures, security requirements, and objectives for achieving and maintaining ATO status within the context of government regulations.
  • Conduct exhaustive security assessments and risk analyses that cater to government system compliance, identifying vulnerabilities and potential threats specific to government systems.
  • Monitor security systems, logs, and network traffic with a keen focus on government cybersecurity guidelines, identifying any suspicious activity, intrusions, or unauthorized access attempts.
  • Collaborate closely with cross-functional teams to establish and maintain government-aligned security measures, including firewalls, intrusion detection systems, data encryption, and access controls.
  • Investigate and analyze security incidents to determine their cause, impact, and appropriate response.
  • Develop and implement incident response plans, including containment, eradication, and recovery strategies.

Required Skills:

  • At least 6 years of experience as a cybersecurity analyst with a specialization in Government System ATO support, demonstrating deep knowledge of government ATO principles, methodologies, and tools.
  • Strong experience in government regulatory frameworks, compliance requirements, and security standards specific to ATO (e.g., NIST SP 800-53, RMF, ICD 503, FISMA, FedRAMP).
  • Demonstrated and repeat experience achieving and maintaining ATO for cloud services and solutions from IL5 to IL6+ on NIPR, SIPR, and JWICS.
  • Understanding of network protocols, operating systems, and infrastructure components.
  • Strong proficiency in incident response, security incident handling, and forensic analysis techniques.
  • Expertise with government specific ATO assessment tools, vulnerability scanning tools, and intrusion detection/prevention systems.
  • Effective communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
  • CISSP or equivalent certification to support DoD 8140 requirements

Company Benefits:

  • Comprehensive list of benefits, including Medical/Dental/Vision insurances, 401(K) plan with company match, tuition and training assistance, paid vacation/leave, fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.


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