
We are seeking a highly skilled and experienced Information Systems Security Officer (ISSO) Subject Matter Expert (SME) to join our team. In this critical role, you will be ultimately responsible for the day-to-day cyber operations of assigned systems, ensuring strict adherence to the Risk Management Framework (RMF) and industry standards. As a trusted advisor, you will collaborate closely with executive leadership—including the Authorizing Official (AO), System Owners, and the Chief Information Security Officer (CISO)—to mitigate risk and defend vital digital infrastructure.
Requirements
Education:
· Bachelor’s Degree (BA/BS) OR equivalent verifiable work experience.
· Security+ or higher; Security+; higher certifications such as CISSP, CAP, or CASP
desired.
Experience:
· Eight (8) years of progressive experience in information assurance, cybersecurity
engineering, or ISSO/ISSM roles.
Clearance Requirements:
· Must be a U.S. citizen (no dual citizenship).
· Ability to pass a background investigation.
· Able to obtain and maintain DHS Suitability/Entry on Duty (EOD).
Soft Skills:
· High level of attention to detail and strong organizational skills.
· Exceptional communication and diplomacy skills, with the ability to translate complex
technical risks into actionable business advice for executive stakeholders (AO, CISO).
· Strong analytical thinking and meticulous attention to detail regarding security documentation and boundaries.
Position Responsibilities
Security Program Oversight & Leadership
· Program Ownership: Oversee the comprehensive Information Assurance (IA) program
for assigned information systems.
· Operational Posture: Ensure the continuous implementation and maintenance of an
appropriate operational security posture, including network/system security,
physical/environmental protection, personnel security, incident handling, and security
training/awareness.
· Day-to-Day Operations: Act as the primary authority ultimately responsible for daily
cybersecurity operations across assigned systems.
Strategic Advisory & Risk Management
· Executive Consultation: Advise the Authorizing Official (AO), Information System
Owners, and the CISO on risks, vulnerabilities, and the overall security health of
information systems or programs.
· RMF Expertise: Provide deep Risk Management Framework (RMF) expertise and
direct support for Cybersecurity Inspections, Operations, and Orders Processing.
· Compliance & Documentation: Ensure all system security documentation remains current and that authorization boundaries are accurately defined and maintained for all systems. Assessments, Audits, & Compliance · Authorization Support: Actively support and facilitate security assessment and authorization (A&A) activities to maintain Authority to Operate (ATO) status. · Audit Readiness: Lead and assist in cybersecurity-related audits, inspections, regulatory compliance reviews, and technical assessments. · Standards Alignment: Ensure all information systems strictly comply with client-specific mandates, federal regulations, and industry best practices.
Technical Areas of Expertise
· Advanced mastery of the Risk Management Framework (RMF) and associated
security controls (e.g., NIST SP 800-53).
· Proven experience guiding systems through the full Assessment & Authorization
(A&A) lifecycle.
· Strong understanding of network security architecture, incident response protocols, and
physical security standards.
· Working knowledge of automated cybersecurity and vulnerability scanning tools
deployed in enterprise environments (e.g., ACAS, Nessus, Splunk, HBSS, or similar).
Benefits
Joining Avint is a win-win proposition! You will feel the personal touch of a small business and receive BIG business benefits, from competitive salaries, full health insurance, generous time off, and observation of federal holidays. Additionally, we encourage every Avint employee to further their professional development. To assist you in achieving your goals, we offer reimbursement for courses, exams, and tuition. Interested in a class, conference, program, or degree? Avint will invest in YOU and your professional development! Salary Range $132,000-$150,000

Your Vision Achieved.
Avint delivers transformational cybersecurity solutions that help both commercial and government entities achieve mission success.
We understand the ever-evolving cyber threat landscape our nation faces. It is our mission to help federal and defense agencies, the intelligence community and commercial organizations alike to transform their security posture and, ultimately, defeat our adversaries. We optimize clients’ security investments by applying a holistic strategy that encompasses cyber and physical security governance, engineering, operations, compliance and management. Together, we build innovative and intuitive solutions that allow our clients to secure their assets with confidence.
Avint harnesses the expertise of world-class cyber and physical security leaders, technologists and innovators who share a passion for understanding what’s needed and what’s possible. Our team has provided advanced cybersecurity solutions within a wide range of technology environments across the country and around the world – and our continued success has earned us a reputation for being a trusted partner you can count on.
Avint was founded by CEO Marcie Nagel, a recognized national cybersecurity expert, U.S. Air Force and FBI veteran, and formal principal of the Continuous Diagnostics and Mitigation division of Booz Allen Hamilton. Learn more at avintllc.com.