Specialist, Information System Security III

Athena Technology Group•Quantico, VA

About The Position

Athena Technology Group, Inc. (ATG) is a Service-Disabled Veteran Owned Small Business (SDVOSB) focused on Information Technology and Communications consulting, system engineering, integration, deployment and operation of state of the art command and control and information systems that deliver critical network centric solution to the warfighter. With a proven track record of technical support to our customers, we are looking for innovative industry professionals to join our team. ATG is an Equal Opportunity/Affirmative Action Employer Minorities/Females/Vets/Disability We are seeking a Specialist, Information System Security III (SISS3) to support the MCCOG program in. The selected candidate will serve as a senior cybersecurity professional responsible for leading RMF activities, ensuring system compliance, and supporting authorization efforts across complex systems. This role provides technical leadership to ISSOs, ISSEs, and junior cybersecurity personnel.

Requirements

Active Secret Clearance
Bachelor's degree in computer science, Information Technology, Cybersecurity, or related field (or equivalent experience)
Minimum of 5–7 years of cybersecurity or information assurance experience
Strong experience with RMF, eMASS, and A&A processes
IAT Level II Certification (Security+ CE, CySA+, GSEC, SSCP, or equivalent)

Nice To Haves

Experience supporting NAVSEA or Navy environments
Familiarity with ACAS, STIG Viewer, and vulnerability management tools
Knowledge of DoD cybersecurity policies and frameworks
IAM Level I or higher certification preferred
Strong leadership and technical documentation skills

Responsibilities

Lead RMF activities including development, review, and maintenance of A&A artifacts within eMASS.
Oversee system Authority to Operate (ATO) lifecycle and ensure compliance with DoD and Navy cybersecurity requirements.
Manage and track Plan of Action and Milestones (POA&M) and vulnerability remediation efforts.
Perform advanced vulnerability assessments and validate remediation activities.
Ensure systems meet STIG and SRG compliance requirements.
Lead implementation and validation of security controls.
Conduct continuous monitoring and support annual security reviews.
Provide guidance to ISSOs, ISSEs, and system owners on cybersecurity requirements.
Support incident response efforts and ensure proper reporting and documentation.
Ensure traceability and integrity of RMF artifacts across systems.
Participate in risk assessments and provide recommendations to leadership.