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Sigma Defense Systems LLC

1757 - Cybersecurity Engineer V

Sigma Defense Systems LLC

Sigma Defense is seeking a Cybersecurity Engineer V to join our team! The Cybersecurity Engineer ensures systems are able to be authorized following RMF process and coordinate the successful navigation of the full RMF lifecycle.

Posted 9/17/2026full-timeRemote • United StatesSeniorLead💰 $145,000 - $165,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in Cybersecurity Engineering, particularly in the Risk Management Framework (RMF) lifecycle, and possesses strong capabilities in evaluating security postures and implementing compliance improvements. Proven ability to lead authorization efforts and collaborate effectively with multi-disciplinary teams to enhance system security.

Highest-signal resume keywords
10+ Years Cybersecurity ExperienceRisk Management Framework (RMF)Enterprise Mission Assurance Support Service (eMASS)Active Secret Security ClearanceCybersecurity Package Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Cybersecurity EngineeringSecurity Posture EvaluationCompliance ImprovementThreat AnalysisCybersecurity Remediation
Soft Skills
Clear CommunicationLeadershipCollaboration
Tools & Technologies
DevOpsSoftware Engineering
Industry Keywords
System AuthorizationCybersecurity Authorization ReviewsMulti-Disciplinary Engineering Teams

Tech Stack

Tools & technologies
Cyber Security

About the role

Key responsibilities & impact
  • Sigma Defense is seeking a Cybersecurity Engineer V to join our team! The Cybersecurity Engineer ensures systems are able to be authorized following RMF process and coordinate the successful navigation of the full RMF lifecycle.
  • Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Requirements

What you’ll need
  • - 10+ years of relevant Cybersecurity experience.
  • - Experience using Enterprise Mission Assurance Support Service (eMASS).
  • - Ability to evaluate the security posture of complex systems and execute process and technical improvements to better meet compliance or risk mitigations objectives.
  • - Must be a U.S. citizen.
  • Personnel Clearance Level:
  • - Candidate must possess or have the ability to obtain an active Secret security clearance or higher.
  • - Clearance may be sponsored for the right candidate.
  • Education Requirements:
  • - Bachelor's degree from an accredited college or university in a Cybersecurity Engineering or related field of study.
  • Essential Job Duties (not all-inclusive):
  • - Coordinates with multi-disciplinary engineering teams to iteratively improve the security posture of the system based on the provided threat analysis and security architecture.
  • - Responsible for remediation of cybersecurity findings.
  • - Owns the development of multiple cyber security packages for system authorization.
  • - Collaborates with DevOps and Software engineers to accredit deployed secure platforms.
  • - Leads authorization efforts for the program.
  • - Owns authorization package and is responsible for generating deliverables to achieve authorization.
  • - Interprets requirements for authorization and implements requires changes.
  • - Contributes knowledge and leadership to improve cybersecurity posture of the team and system.
  • - Participates effectively in cybersecurity authorization reviews and communicates clearly to leadership, peers, and external stakeholders to ensure maintenance of system authorization.
  • Salary Range: $145,000 - $165,000 annually.

Benefits

Comp & perks
  • - Dental and Vision Insurance
  • - Medical Insurance to Include HSA, FSA, and DFSA Plans
  • - Life and AD&D coverage
  • - Employee Assistance Program (EAP)
  • - 401(k) Plan with Company Matching Contributions
  • - 160 Hours of Paid Time Off (PTO)
  • - 12 (Floating) Holidays
  • - Educational Assistance
  • - Highly Competitive Salary