Demo

Specialist, Information System Security III

Athena Technology Group
Quantico, VA Full Time
POSTED ON 3/29/2026
AVAILABLE BEFORE 5/28/2026

Employment Type: Full-Time
Shift: no 

About the Company
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

Job Summary
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.

Key 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.

Qualifications
Required
  • 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)

Desired
  • 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

Physical and Environmental Conditions
Normal Office Environment. Requires Sitting, Standing, Near Acuity, Speaking with colleagues and customers, Listening, Sight, Use of hands/fingers.
This position description is not intended as, nor should it be construed as, exhaustive of all responsibilities, skills, efforts, or working conditions associated with this job. This and all positions are eligible for organization-wide transfer. Management reserves the right to assign or reassign duties and responsibilities at any time.

Additional Benefits
  • Performance Bonuses and annual salary reviews
  • Health, dental, and vision insurance
  • Short Term Disability, Long Term Disability, and Life Insurance
  • 401(k) plan with company match
  • Opportunities for professional growth and development
  • A collaborative and inclusive work environment

EEO Statement
ATG is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law

Salary.com Estimation for Specialist, Information System Security III in Quantico, VA
$144,793 to $169,776
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