Senior ATO Subject Matter Expert

GAMA-1 Technologies is seeking a Senior ATO Subject Matter Expert to support federal cybersecurity authorization and compliance initiatives across mission-critical systems and cloud environments. In this role, you will lead Security Assessment & Authorization (SA&A) efforts, support Authority to Operate (ATO) activities, and help ensure systems meet federal security and compliance standards.

This position is ideal for a cybersecurity professional who thrives in highly regulated environments and has deep expertise working with NIST frameworks, federal compliance requirements, and security authorization processes. You will collaborate closely with cybersecurity teams, engineers, system owners, and government stakeholders to support secure and compliant enterprise operations.

What You Will Do in This Role

• Lead and support federal A&A / ATO activities for enterprise and cloud-based systems

• Develop, review, and maintain security documentation including SSPs, POA&Ms, SARs, and related authorization artifacts

• Assess security controls and support compliance initiatives aligned with NIST standards

• Work with technical teams to identify and remediate security gaps and vulnerabilities

• Support continuous monitoring activities and ongoing compliance requirements

• Collaborate with government stakeholders and system owners throughout authorization lifecycles

• Interpret federal cybersecurity regulations and ensure alignment across systems and processes

• Support risk management and security assessment activities across classified and unclassified systems

What You Will BringRequired Qualifications

• 7+ years of experience supporting security assessments, SA&A packages, or ATO activities for federal systems

• Strong working knowledge of NIST 800-53 and NIST 800-37 frameworks

• Experience supporting systems through successful ATO authorization processes

• Experience developing and maintaining federal security documentation

• Strong analytical, written, and verbal communication skills

• Ability to work independently within regulated and compliance-driven environments

Preferred Qualifications

• Experience supporting classified or national security systems

• Familiarity with JCAM systems

• Federal civilian or DoD experience

Certifications

Must possess at least one of the following:

• CISSP

• CAP

• CISA

• CRISC

​​​​​​​This position is part of a proposal

GAMA-1 also offers a variety of benefits, including health insurance coverage, life and disability insurance, 401(k) savings plan, training and career development opportunities, paid holidays and paid time off (PTO - to cover vacation, illness or disability, appointments, emergencies or other situations that require time off from work). For more information click here.

ABOUT GAMA-1

GAMA-1 is a rapidly growing technology business that is based in Greenbelt, Maryland. GAMA-1 Technologies provides strategic information assurance, information security, and business enterprise and networking solutions to the Federal Government. Our success is based on the utilization of industry and agency standards, establishment of standardized processes, and IT Services expertise. At GAMA-1, we believe employees should grow, achieve, and develop just as the company grows, achieves, and develops. GAMA-1 is committed to providing our employees with opportunities for career advancement throughout their employment. For more information, visit

GAMA-1 is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to: veteran status, uniformed servicemember status, race, color, religion, sex, sexual orientation, gender identity, age, pregnancy (including childbirth, lactation and related medical conditions), national origin or ancestry, citizenship or immigration status, physical or mental disability, genetic information (including testing and characteristics), domestic violence victims, political orientation, status as a smoker or tobacco user, hairstyle, use of a service animal, education status, familial status, HIV/AIDS status, height, weight, reproductive healthcare decisions or any other category protected by federal, state or local law.

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