Information Assurance Security Specialist Job at Oasys International, LLC, Elizabeth City, NC

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  • Oasys International, LLC
  • Elizabeth City, NC

Job Description

Oasys is seeking a Sr. Information Assurance Security Specialist to support the United States Coast Guard (USCG) at the Aviation Logistics Center (ALC)—Information Systems Division (ISD). The Sr. Information Assurance Security Specialist will focus on maintaining system authorization through RMF execution, vulnerability management, risk assessments, and compliance assurance aligned with DHS 4300A, FISMA, and NIST 800-53 guidelines.

The ideal candidate will serve as a technical subject matter expert in cybersecurity assurance, supporting the ongoing protection and accreditation of enterprise systems through ATO sustainment, audit preparation, and continuous control validation.

Primary Responsibilities:

  • Execute and support the Risk Management Framework (RMF) lifecycle including system categorization, control selection, implementation, assessment, and authorization.
  • Develop, maintain, and validate System Security Plans (SSPs), Security Assessment Reports (SARs), POA&Ms, Contingency Plans (CPs), and related compliance documentation.
  • Conduct and lead vulnerability assessments, leveraging tools such as Nessus, ACAS, and Fortify to identify and prioritize remediation efforts.
  • Perform continuous monitoring of security controls and produce metrics, dashboards, and evidence in support of ATO renewals and sustainment.
  • Analyze and respond to security incidents, working with SOC personnel and SIEM tools to evaluate logs, investigate events, and contain potential threats.
  • Conduct internal audits and risk assessments to validate the effectiveness of implemented controls and identify compliance gaps.
  • Provide security guidance to engineering and development teams, ensuring adherence to cybersecurity standards in a DevSecOps environment.
  • Stay informed of evolving threats, vulnerabilities, and regulatory changes to proactively enhance security postures.
  • Coordinate with Security Control Assessors (SCAs), ISSOs, system owners, and federal stakeholders on audit readiness and policy compliance.
  • Draft and enforce cybersecurity policies, SOPs, and standards that support mission-critical systems across hybrid environments.
  • All other duties as assigned by management.

Skills/Qualifications:

  • In-depth knowledge of NIST SP 800-53, RMF, DHS 4300A, and federal compliance frameworks.
  • Hands-on experience with SIEM tools, log analysis, and vulnerability scanning platforms (e.g., Tenable, Splunk, McAfee ePO).
  • Strong understanding of network and host-based security controls, including firewall management, IDS/IPS, and encryption standards.
  • Proficiency with Windows, UNIX, RHEL, and relational database security configurations.
  • Ability to manage security documentation and audit evidence repositories such as eMASS, Jira, or SharePoint.
  • Excellent communication and documentation skills for preparing executive summaries, security findings, and technical reports.

Education/Experience Requirements:

  • Bachelor’s or Associate's degree in Computer Science, Math, Information Technology, Engineering, or related field. Five (5) years of directly relevant experience may substitute for two (2) years of formal education.
  • Minimum of five (5) years of experience in experience with vulnerability scanning tools and security assessment methodologies.
  • Minimum of five (5) years of experience with network security, firewall management, intrusion detection/prevention systems (IDS/IPS).
  • Minimum of (5) years of experience with Security Information and Event Management (SIEM).
  • Minimum of five (5) years of experience in the risk management framework.
  • Basic knowledge of the following: Active Directory, UNIX, RHEL, Windows, Relational Databases.
  • Previous support of federal government enterprise systems or DHS/DOD programs is strongly preferred.

Clearance:

  • U.S. citizenship required
  • Must have an active DoD Secret Clearance.

Certification Requirement:

  • CompTIA Security + required
  • Additional certifications (Network+, AWS Certified Cloud Practitioner, Microsoft Azure Fundamentals, Certified Information Systems Auditor (CISA), Certified Information Security Manager (CISM), ITIL Foundation, TOGAF, or other cybersecurity architecture certifications) are a plus.

Work Location:

  • Elizabeth City, NC – Hybrid
  • North Carolina Region – Must be able to go on-site at least three days a week

Oasys is proud to be an equal opportunity employer for all protected groups, including protected veterans and individuals with disabilities.

Job Tags

3 days per week,

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